Answer:
SOLVE FOR X
x∈[−7,8)
step explanation:
there is no solve for x just straight answer
The nine points of this grid are equally spaced horizontally and vertically. The distance between two neighboring points is 1 unit. What is the area, in square units, of the region where the two triangles overlap
The area, in square units, of the region where the two triangles overlap is found as 1 square units.
What is described as the coordinates?A point's position with regard to a specific reference frame is indicated by its coordinates, which can be either linear or angular values. X and Y are frequently used to denote a point's coordinates in a two-dimensional plane.We can determine the equation for each line with in diagram using its coordinates.
We can determine the coordinates for each point. (1/4,3/4) is one of the intersections.
d² = 2² + 2² = 8
A₁ = (1/3d + 1/6d )/2 * 1/4d
A₁ = 1/4d * 1/4d
A₁ = 1/ 16 d²
Now,
A = 2A₁
A = 2.(1/16)d²
A = 1/8d²
A = 1/8 *8
A = 1
Thus, the area, in square units, of the region where the two triangles overlap is found as 1 square units.
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Answer:
1 square unit
Step-by-step explanation:
A parking meter filled with \$4.50$4.50 in dimes and quarters contains twice as many dimes as quarters.(Note: 1 dime = \$.10$.10; 1 quarter = \$.25$.25)
Using a system of equations, it is found that the meter contains 20 dimes and 10 quarters.
System of equations:For the system, the variables are:
x is the number of dimes.y is the number of quarters.A dime is worth $0.1 and a quarter is worth $0.25. In total, the parking meter is filled with $4.50, hence:
\(0.1x + 0.25y = 4.5\)
There are twice as many dimes as quarters, hence:
\(x = 2y\)
Then:
\(0.1x + 0.25y = 4.5\)
\(0.1(2y) + 0.25y = 4.5\)
\(0.2y + 0.25y = 4.5\)
\(0.45y = 4.5\)
\(y = \frac{4.5}{0.45}\)
\(y = 10\)
\(x = 2y = 2(10) = 20\)
There are 20 dimes and 10 quarters in the parking meter.
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For the given expression, find the quotient and the remainder. Check your work by verifying that (Quotient)(Divisor) Ramainder +Dividend
6x³-9x² +8x+3 divided by 2x³-1
The result is the same as the dividend 6x³ - 9x² + 8x + 3, which confirms that our quotient and remainder are correct.
To divide the polynomial 6x³ - 9x² + 8x + 3 by 2x³ - 1, we can use polynomial long division.
3x² - 3x - 15
____________________
2x³ - 1 | 6x³ - 9x² + 8x + 3
- (6x³ - 3x²)
_______________
-6x² + 8x + 3
- (-6x² + 3)
______________
5x + 3
- (5x + 5)
___________
-2
The quotient is 3x² - 3x - 15, and the remainder is -2.
To verify our work, we can check if (Quotient)(Divisor) + Remainder equals the Dividend:
(3x² - 3x - 15)(2x³ - 1) - 2
Expanding the product:
6x⁵ - 3x² - 30x³ + 3x² - 15x - 6x³ + 3x + 15 - 2
Simplifying the terms:
6x⁵ - 6x³ - 30x³ - 15x + 3x + 15 - 2
Combining like terms:
6x⁵ - 36x³ - 12x + 13
The result is the same as the dividend 6x³ - 9x² + 8x + 3, which confirms that our quotient and remainder are correct.
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Which one does not belong and why
Answer:
The Circle on the Top right doesn't belong since every other circle has a green quadrant, whereas on the other hand the circle on top right is missing the green quadrant
Hope this helps!
The numbers in this chart represent the weights in kilograms of five members of a middle school boys’ baseball team.
Whose record represents an outlier in this data set?
A. Jim’s
B. Tom’s
C. Ben’s
D. John’s
The record that represents an outlier in this data set is John's weight.
What is an outlier?An outlier is a data point that differs significantly from other observations.
In other words, an outlier is a value or point that differs substantially from the rest of the data.
Therefore, the record that represents an outlier in this data set is John's weight. This is because it is on the
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if a 1250 w microwave cooks a tv dinner of 6.5 minutes, how many calories were delivered to the food?
By using the concept of power and energy, it can be inferred that
0.76 calories were delivered to the food
What is energy and power?
Capacity of doing work is called energy
Rate of doing work is called power
There is a relationship between power and energy.
\(Power = \frac{Energy}{Time}\)
Power of a microwave oven = 1250 W
Time = 6.5 minutes
Energy delivered to the food = \(\frac{1250}{6.5 \times 60}\)
= 3.2 J
= \(\frac{3.2}{4.2}\) Calorie
= 0.76 Calorie
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Why
is i= 0.058?
17. A business owner wants to build a reserve fund. To have \( \$ 50,000 \) in the fund at the end of 10 years, the amount the owner will need to invest annually, assuming an annual return of \( 5 \%
The annual investment amount required to accumulate a reserve fund of $50,000 in 10 years, assuming an annual return of 5%, is approximately $3,720.
To calculate this, we can use the formula for the future value of an ordinary annuity: \[FV = P \times \left( \frac{{(1 + r)^n - 1}}{r} \right),\] where \(FV\) is the future value (desired reserve fund amount), \(P\) is the annual investment amount, \(r\) is the annual interest rate (in decimal form), and \(n\) is the number of years. Rearranging the formula to solve for \(P\), we have: \[P = \frac{{FV \times r}}{{(1 + r)^n - 1}}.\]Substituting the given values into the formula, we get: \[P = \frac{{50000 \times 0.05}}{{(1 + 0.05)^{10} - 1}} \approx 3720.\]Therefore, the business owner would need to invest approximately $3,720 annually to accumulate a reserve fund of $50,000 at the end of 10 years, assuming a 5% annual return.
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3/5(4x+1)=3(2-4)+9 find the result and demonstrate
By simplifying and solving the equation 3/5(4x+1)=3(2-4)+9 using the order of operations, the solution is x=1, which can be verified by substitution.
let me explain step by step how we solved the equation:
\(3/5(4x+1)=3(2-4)+9\)
Step 1: Simplify both sides using the order of operations (PEMDAS).
On the left-hand side, we use the distributive property to multiply 3/5 by 4x and 3/5 by 1. This gives us:
\(3/5(4x) + 3/5(1) = (12/5)x + 3/5\)
On the right-hand side, we simplify 3(2-4) to get:
3(-2) = -6
Then we add 9 to get:
3(-2) + 9 = 3
So the original equation simplifies to:
(12/5)x + 3/5 = 3
Step 2: Isolate x on one side of the equation.
We want to solve for x, so we need to get rid of the 3/5 on the left-hand side. We can do this by subtracting 3/5 from both sides of the equation:
(12/5)x = 3 - 3/5
To simplify the right-hand side, we need to get a common denominator:
(15/5) - (3/5) = 12/5
So the equation becomes:
(12/5)x = 12/5
To solve for x, we divide both sides of the equation by 12/5:
x = (12/5)/(12/5) = 1
As a result, the equation's answer is x = 1.
Step 3: Check the solution.
To check if our solution is correct, we substitute x = 1 back into the original equation:
\(3/5(4x+1)=3(2-4)+9\)
\(3/5(4(1)+1)=3(2-4)+9\)
\(3/5(5)=3(-2)+9\)
3=3
Since both sides of the equation are equal when x = 1, we know that the solution is correct.
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Central conservative forces: (a) Consider the force F= r2kr^ : Is this force conservative? Is it central? If it is conservative find the potential energy V(r). For full marks you need to justify your answer and explain any assumptions that you make.
The force F = r^2k(r^) is not conservative because its curl is nonzero. The force is central because it depends only on r and acts along the radial direction. Since it is not conservative, there is no potential energy function V(r) associated with this force
To determine whether the force F = r^2k(r^) is conservative and central, let's analyze its properties.
A force is conservative if it satisfies the condition ∇ × F = 0, where ∇ is the gradient operator. In Cartesian coordinates, the force can be written as F = Fx i + Fy j + Fz k, where Fx, Fy, and Fz are the components of the force in the x, y, and z directions, respectively. The curl of F is given by:
∇ × F = (∂Fz/∂y - ∂Fy/∂z)i + (∂Fx/∂z - ∂Fz/∂x)j + (∂Fy/∂x - ∂Fx/∂y)k.
Calculating the components of F = r^2k(r^):
Fx = 0, since there is no force component in the x-direction.
Fy = 0, since there is no force component in the y-direction.
Fz = r^2kr^.
Taking the partial derivatives, we have:
∂Fz/∂x = ∂/∂x (r^2kr^) = 2rkr^2(∂r/∂x) = 2rkr^2(x/r) = 2xkr^3.
∂Fz/∂y = ∂/∂y (r^2kr^) = 2rkr^2(∂r/∂y) = 2rkr^2(y/r) = 2ykr^3.
Substituting these values into the curl equation, we get:
∇ × F = (2ykr^3 - 2xkr^3)k = 2k(r^3y - r^3x).
Since the curl of F is not zero, ∇ × F ≠ 0, we conclude that the force F = r^2k(r^) is not conservative.
Now let's determine if the force is central. A force is central if it depends only on the distance from the origin (r) and acts along the radial direction (r^).
For F = r^2k(r^), the force is indeed central because it depends solely on r (the magnitude of the position vector) and acts along the radial direction r^. Hence, it can be written as F = Fr(r^), where Fr is a function of r.
Since the force is not conservative, it does not possess a potential energy function. In conservative forces, the potential energy function V(r) can be defined, and the force can be expressed as the negative gradient of the potential energy, i.e., F = -∇V. However, since F is not conservative, there is no potential energy function associated with it.
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By following the method, we think about communicating by reviewing the possible things (both general and specific) that might be said. Select one: O a. Free-form O b.Inverse. O c. Cyclical O d. Linear. O e. Topical
In the topical method, we focus on discussing different topics or subjects by considering various aspects and details related to them. This approach allows us to think about and communicate more effectively by addressing both general and specific points that might be relevant to the conversation.
The method of communication that involves reviewing possible things (both general and specific) that might be said. The correct answer is: e. Topical.
The method described in the question is a form of "topical" communication. This approach involves considering different topics or subjects that may need to be discussed and organizing thoughts and information around them. By reviewing possible things that may be said on each topic, one can prepare for a more effective and focused communication.
This method can be especially helpful in situations where there are multiple topics to cover or when discussing complex information that requires careful organization and planning.
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Lucia ordered a set of beads. She received 35 beads in all. 7 of the beads were green. What percentage of the beads were green?
Write your answer using a percent sign (%).
The percentage of the beads were green is 20% .
A figure or ratio that may be stated as a fraction of 100 is a percentage. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the word percent means.
Given that
Total number of beads = 35
In which Number of green beads = 7
Find out What percentage of the beads were green?
By dividing the value by the entire value and multiplying the result by 100, one may determine the percentage. The percentage calculation formula is (value/total value)100%.
So here total value = 35
Value = 7
Put the values in the formula
(value/total value)100%
= (7/35) × 100 %
= 1/5 × 100 %
= 100 / 5 %
= 20 %
Hence , Twenty percent (20%) of the beads were green.
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PLEASE HELP ME <3!!!
Answer:
Wasim has enough money.
Step-by-step explanation:
1. find the area of the garden path:
600 cm x 120 cm = 72,000 sq. cm
2. find the area of each stone:
it is a square of 30 cm by 30 cm, so:
30 cm x 30 cm = 900 sq. cm
3. find how many stones can fit in the path:
72,000 / 900 = 80 stones
4. multiply that by the price of each stone:
80 stones x $2.50 = $200
Wasim's budget is $220 and the stones will only cost $200, so it is within the budget
Consider the by Use x = 2M transformation of variables in ² defined 19 = 3V transformation to integrate the given SS X² LA R is the region bounded by ellipse 9x² + 4y² = 36
The given region R is bounded by the ellipse 9x² + 4y² = 36. Using the transformation of variables x = 2M and y = 3V, we can integrate over the transformed region S defined by the equation M² + V² = 1.
To integrate over the region R bounded by the ellipse 9x² + 4y² = 36, we perform the transformation of variables x = 2M and y = 3V. Substituting these values into the equation of the ellipse, we get:
9(2M)² + 4(3V)² = 36
36M² + 36V² = 36
M² + V² = 1
This equation represents the unit circle centered at the origin, which is the transformed region S. By transforming the variables, we have effectively changed the integration bounds to the unit circle. Thus, we can integrate over the transformed region S defined by M² + V² = 1 to evaluate the desired integral over the original region R.
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A swimming pool that is 10 feet, 20 feet long, and 4 1/2 feet deep. how much water can this swimming pool hold (to the top of the pool)?
Answer:
900 cubic feet
Step-by-step explanation:
Volume = length x width x height
= 10 x 20 x 4.5
= 900
What are the 7 laws of exponents?
Answer:
1- Product of powers rule.
2- Quotient of powers rule.
3- Power of a power rule.
4- Power of a product rule.
5- Power of a quotient rule.
6- Zero power rule.
7- Negative exponent rule.
Step-by-step explanation:
Hope I helped! ^v^
explain why f (2)+ f(3) ≠ f (5)
Answer:
Step-by-step explanation:
We cannot determine whether f(2)+f(3) is equal to f(5) or not without any information about the function f.
For example, if f(x) = x, then f(2) + f(3) = 2 + 3 = 5, and f(5) = 5, so f(2)+f(3) = f(5).
However, if f(x) = x^2, then f(2) + f(3) = 2^2 + 3^2 = 4 + 9 = 13, and f(5) = 5^2 = 25, so f(2)+f(3) ≠ f(5).
Therefore, the relationship between f(2)+f(3) and f(5) depends on the specific function f, and cannot be determined without knowing the functional form of f.
What is this transformation?
(x, y) ----> (-x, y)
Reflect over the x
axis
slide left 1
Slide down
Reflect over the y-
axis
Answer:
Reflection over the y-axis
Step-by-step explanation:
Cameron White traveled 325 miles in 6 1/4
hours. What was his average speed per
hour?
Answer:
51.68 miles per hr
Step-by-step explanation:
To find the average rate, divide the total miles traveled by the total amount of time.
325 miles / 6 1/4 hours = 51.68 miles per hr
If two boats sail at a 45° angle to the wind as shown, and the wind is constant, will their paths ever cross? Explain your reasoning. Which of the angle pair did you use and what does the theorem state? wind 45° 45°
please with the explanation
Solve questions 3-9 please.
The graph of a proportional relationship is a line through the origin or a ray whose endpoint is the origin
3. No because it's a line that doesn't go through the origin
4. Yes because it's a line through the origin
5. Yes because 1/3 = 2/6 = 3/9 = 4/12
6. No because 4/2 isn't equal to 8/5
7. Draw a graph just like 4., but change the y-axis
8. a. Let the equation be y = ax. 27 = 3a. a = 9. Therefore the equation is y = 9x.
8. b. 9
8. c. 9 * 5 = 45
9. a. The car travels 25 (> 18) miles per gallon of gasoline.
9. b. 25 * 8 - 18 * 8 = 7 * 8 = 56
Where should Jenna insert parentheses to make the equation true? 2 + 4.5+ 1 = 26
1.how many miles are in 19.08 kilometers?
Answer:
11.855762
Step-by-step explanation:
Answer:
11.856 miles
Step-by-step explanation:
I just know
find the coordinates of the midpoint of the line segment joining pairs of points (4,5) and (6,9)
Answer:
5,7
Step-by-step explanation:
4+6/2=5 (x coordinate), and for the y coordinate 5+9/2=7
5,7 is the final point
* You have a dog that can run 5 km/hr. How fast can she run in mi/hr? (i.e. convert the rate to miles per hour) (1.6 km=1mi) DO NOT JUST TYPE THIS INTO A CONVERTER ONLINE. YOU WILL NOT GET THE ANSWER RIGHT. Express your answer as decimal, rounded to the nearest thousandth (three decimal places) in mi/hr - no spaces EXAMPLE: 78.345mi/hr
The dog's running speed of 5 km/hr can be converted to approximately 3.125 mi/hr by multiplying it by the conversion factor of 1 mi/1.6 km. Rounding to the nearest thousandth, the dog can run at about 3.125 mi/hr.
To convert the dog's running speed from kilometers per hour (km/hr) to miles per hour (mi/hr), we need to use the conversion factor of 1.6 km = 1 mi.First, we can convert the dog's speed from km/hr to mi/hr by multiplying it by the conversion factor: 5 km/hr * (1 mi/1.6 km) = 3.125 mi/hr.
However, we need to round the answer to the nearest thousandth (three decimal places). Since the digit after the thousandth place is 5, we round up the thousandth place to obtain the final answer.
Therefore, the dog can run at approximately 3.125 mi/hr.
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(X^2+y^2-1)^3=x^2y^3 Write the mapping notation to transform the parent function then describe the transformations made to the parent function.
The relation's graph can be seen in the graphic at the bottom, where it is clear that it is function.
How to determine if the relation is a function?The actual function can be specified using this "mapping" notation. Writing f:(x,y)x+y would allow us to define the above f(x, y). Real numbers are referred to as scalars to distinguish them from vectors. Each input is translated into a single output in a relation known as a function (input, output).
The horizontal axis is used for inputs, and the vertical axis is used for outputs. Here, we have the relationship shown below:
(-5,-1), (-4,1), (-3,3), (-1,5), (1,7) (1,7)
The figure below shows the graph of these points. Since there are no two points on the same vertical line, the relation is a function, as you can see.
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Look at the picture below. On the left is a rectangular prism. It is unfolded on the right. What is the term to describe a 3D object that has been “unfolded”?
A. A net
B. A drawing
C. A shell
D. A picture
Answer:
A. a net
Step-by-step explanation:
I did the test
The NC General Assembly increases minimum wage to $8.00/ hour.What is the impact of the demand for clothes?
The increase in the minimum wage to $8.00 per hour could potentially lead to an increased demand for clothes due to higher purchasing power and potential shifts in consumer preferences.
We have,
Increasing the minimum wage to $8.00 per hour can have some impact on the demand for clothes.
Here are a few potential effects to consider:
Increased purchasing power:
When the minimum wage is increased, low-wage workers have more disposable income. This extra income can lead to increased consumer spending, including on clothing.
As a result, there could be a boost in the demand for clothes as more people can afford to purchase new clothing items.
A shift in consumer preferences:
With a higher minimum wage, individuals who previously had limited resources may now have the ability to choose higher-quality clothing or purchase from more expensive brands.
This shift in consumer preferences could lead to changes in the demand for different types of clothes and potentially result in an increase in demand for higher-end or premium clothing.
Price sensitivity:
While an increase in the minimum wage may provide workers with more spending power, some individuals may still be price-sensitive and prefer more affordable clothing options.
As a result, there may be continued demand for lower-priced clothing items or a preference for sales and discounts.
Employment and production costs:
An increase in the minimum wage could potentially lead to higher labor costs for clothing manufacturers and retailers.
To mitigate these increased costs, businesses may take steps such as adjusting their pricing strategies, implementing cost-saving measures, or exploring more efficient production methods.
These factors could impact the overall supply of clothes and potentially influence prices.
Thus,
The increase in the minimum wage to $8.00 per hour could potentially lead to an increased demand for clothes due to higher purchasing power and potential shifts in consumer preferences.
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A pizza restaurant is offering a special price on pizzas with
2
22 toppings. They offer the toppings below:
Pepperoni
Sausage
Ham
Chicken
Green pepper
Onion
Mushroom
Pineapple
Pepperoni
Chicken
Mushroom
Sausage
Green pepper
Pineapple
Ham
Onion
Suppose that Rosa's favorite is sausage and onion, but her mom can't remember that, and she is going to randomly choose
2
22 different toppings.
What is the probability that Rosa's mom chooses sausage and onion?
The probability that Rosa's mom chooses sausage and onion is: 1/8C₂.
What is the probability?Probability refers to the chance of an event occurring. It is given by the formula: number of favorable outcomes/number of total outcomes. The total number of groups from which Rosa's mom can make her choice is 1 and this is the number of favorable outcomes.
But, the total number of outcomes that Rosa can hope to expect are 2 two toppings(sausage or onions) out of 8. So, the selected answer is the representation of the probability.
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cos s= 2/3 and s is in quadrant I.
cos s = 2/3 , s is in quadrant I, value of sin s, other related trigonometric functions using Pythagorean identity sin s = √(5/9) = √5/3, tan s = √5/2 ,cot s = 1 / tan s = 1 / (√5/2) = 2 / √5 = (2√5) / 5, cot s = (2√5) / 5.
We are given cos s = 2/3. Since s is in quadrant I, we know that all trigonometric functions will be positive in this quadrant.
Let's find sin s using the Pythagorean identity: sin^2 s + cos^2 s = 1.
sin^2 s + (2/3)^2 = 1
sin^2 s + 4/9 = 1
sin^2 s = 1 - 4/9
sin^2 s = 5/9
Taking the square root of both sides, we get:
sin s = √(5/9) = √5/3
Now, let's find the value of tan s using the relationship: tan s = sin s / cos s.
tan s = (√5/3) / (2/3)
tan s = √5/2
Similarly, we can find the values of other trigonometric functions using the relationships:
sec s = 1 / cos s = 1 / (2/3) = 3/2
csc s = 1 / sin s = 1 / (√5/3) = 3/√5 = (3√5) / 5
cot s = 1 / tan s = 1 / (√5/2) = 2 / √5 = (2√5) / 5
Therefore, for the given condition cos s = 2/3 and s is in quadrant I, we have:
sin s = √5/3
tan s = √5/2
sec s = 3/2
csc s = (3√5) / 5
cot s = (2√5) / 5
Please note that the values of the trigonometric functions have been simplified and the square root values have not been rationalized.
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Cos s = 2/3 , s is in quadrant I, value of sin s, other related trigonometric functions using Pythagorean identity sin s = √(5/9) = √5/3, tan s = √5/2 ,cot s = 1 / tan s = 1 / (√5/2) = 2 / √5 = (2√5) / 5, cot s = (2√5) / 5.
We are given cos s = 2/3. Since s is in quadrant I, we know that all trigonometric functions will be positive in this quadrant.
Let's find sin s using the Pythagorean identity: sin^2 s + cos^2 s = 1.
sin^2 s + (2/3)^2 = 1
sin^2 s + 4/9 = 1
sin^2 s = 1 - 4/9
sin^2 s = 5/9
Taking the square root of both sides, we get:
sin s = √(5/9) = √5/3
Now, let's find the value of tan s using the relationship: tan s = sin s / cos s.
tan s = (√5/3) / (2/3)
tan s = √5/2
Similarly, we can find the values of other trigonometric functions using the relationships:
sec s = 1 / cos s = 1 / (2/3) = 3/2
csc s = 1 / sin s = 1 / (√5/3) = 3/√5 = (3√5) / 5
cot s = 1 / tan s = 1 / (√5/2) = 2 / √5 = (2√5) / 5
Therefore, for the given condition cos s = 2/3 and s is in quadrant I, we have:
sin s = √5/3
tan s = √5/2
sec s = 3/2
csc s = (3√5) / 5
cot s = (2√5) / 5
Please note that the values of the trigonometric functions have been simplified and the square root values have not been rationalized.
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find the missing coefficient. (5d-7)(5d-6)=25d^2+__d+42
Answer:
\(-65\)
Step-by-step explanation:
\((5d-7)(5d-6)\)
\(5d(5d)+5d(-6)-7(5d)-7(-6)\)
\(25d^2+-30d+-35d+42\)
\(25d^2+-65d+42\)
The missing coefficient of \(d\) is \(-65\).
Answer:
25d^2 -65d +42
Step-by-step explanation:
(5d-7)(5d-6)=25d^2+__d+42
FOIL
(5d-7)(5d-6)=
First 5d*5d = 25d^2
Outer 5d*-6 = -30d
Inner -7*5d = -35d
Last = -7*-6 = 42
Add them together
25d^2 -30d -35d +42
25d^2 -65d +42