Answer:
Lauren's triangle is an isosceles triangle
Step-by-step explanation:
Given the sides of a triangle as 7mm, 9mm and 7mm.
From the given sees you will see that two of the sides are the same showing that the triangle is an isosceles triangle.
An isosceles triangle is a triangle that as two of its sides equal and since two of the sides are both 7mm, hence Lauren's triangle is an ISOSCELES TRIANGLE
Answer:
Lauren's triangle is an isosceles triangle
Step-by-step explanation:
Given the sides of a triangle as 7mm, 9mm and 7mm.
From the given sees you will see that two of the sides are the same showing that the triangle is an isosceles triangle.
An isosceles triangle is a triangle that as two of its sides equal and since two of the sides are both 7mm, hence Lauren's triangle is an ISOSCELES TRIANGLE
Graph the linear equation y = 2x + 1.
11+5(−3+1)−2=−(4−8)−5
Answer:
True
Step-by-step explanation:
Solve what's in parentheses: -3 + 1 = -2, 4 - 8 = -2Plug -2 and -2 in: 11 + 5(-2) - 2 = -(-2) - 5Simplify: 11 + 5(-2) - 2 = 2 - 55 × -2 = -10Plug -10 in: 11 + -10 - 2 = 2 - 52 - 5 = -3Plug -3 in: 11 + -10 - 2 = -311 + -10 = 1Plug 1 in: 1 - 2 = -31 - 2 = -3, so we know it's correctI hope this helps!
Find the length of RT R(12,7) T(6.-2)
When multiplied, what is the simplified form of (6 − 2i)(4 − 3i)? Write the answer in standard form, a + bi, where a and b are real numbers. 10 − 5i 30 − 26i 2 − 6i 18 − 26i
Answer:
18-26i
Step-by-step explanation:
hope this helps :)
2(y - 3) = 4
Y = mx + b form:
Answer:
y=2x+3 i think
Step-by-step explanation:
read the picture plsssssssssss
pls help (again) due in 5 mins !!!!
Answer:
Step-by-step explanation:
For i figure
Radius=9×10^3
Diameter=18×10^3
For j figure
Radius=1m
Diameter=2m
For k
Radius=17×10^-2
Diameter=34×10^-2
For l
Radius=25×10^-3
Diameter=50×10^-3
Since the area of the circle is startfraction pi over 4 endfraction the area of the square, the volume of the cone equals startfraction pi over 4 endfraction the volume of the pyramid or startfraction pi over 4 endfractionstartfraction pi over 4 endfraction (startfraction (2 r) (h) over 3 endfraction) or one-sixthπrh. startfraction pi over 4 endfraction the volume of the pyramid or startfraction pi over 4 endfractionstartfraction pi over 4 endfraction (startfraction (2 r) squared (h) over 3 endfraction) or one-thirdπr2h. startfraction pi over 2 endfraction the volume of the pyramid or startfraction pi over 2 endfraction or two-thirdsπr2h. startfraction pi over 2 endfraction the volume of the pyramid or startfraction pi over 4 endfraction or one-thirdπr2h.
The volume of the cone is one-third the volume of the pyramid, the area of the circle is pi/4 the area of the square because the radius of the circle is half the side length of the square.
The volume of the cone is one-third the volume of the pyramid because the cone's base is a sector of the square, and the sector takes up one-third of the square's area.
Volume of a cone: The volume of a cone is equal to (1/3)πr²h, where r is the radius of the base and h is the height of the cone.
Volume of a pyramid: The volume of a pyramid is equal to (1/3)Bh, where B is the area of the base and h is the height of the pyramid.
In the problem, we are told that the area of the circle is pi/4 the area of the square. This means that the radius of the circle is half the side length of the square. We can use this information to find the volume of the cone and the pyramid.
Volume of the cone: The radius of the cone is half the side length of the square, so r = s/2. The height of the cone is h. The area of the base of the cone is (pi)(r²) = (pi)(s²/4). So, the volume of the cone is (1/3)π(s²/4)h = (1/12)πs²h.
Volume of the pyramid: The area of the base of the pyramid is the same as the area of the base of the cone, which is (pi)(s²/4). The height of the pyramid is the same as the height of the cone, which is h. So, the volume of the pyramid is (1/3)π(s²/4)h = (1/12)πs²h.
As you can see, the volume of the cone is equal to one-third the volume of the pyramid.
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a car has four regular tires and a spare tire. the car is driven 10000 miles, and the tires are rotated so that all five tires are used equally. how many miles are driven on each tire? (a) 2000 (b) 2500 (c) 5000 (d) 7500 (e) 8000
The correct option (a) 2000, is the miles are driven on each tire.
Explain the term division of the number?Multiplication is the exact reverse of division. If 3 groups of 4 add up to 12, then 12 divided into 3 groups of equal size results in 4 in each group. Creating equal groups or determining how many people comprise each group after a fair distribution is the basic objective of division.For the stated question-
A automobile has a spare tire in addition to four conventional tires. Tires is rotated thus all five are used equally after 10,000 miles of driving.Miles are driven on each tire = Total distance/number of tires.
Miles are driven on each tire = 10000/5
Miles are driven on each tire = 2000
Thus, the number of miles are driven on each tire is 2000 miles.
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-6(15) explain please and thank you
Answer:
-6(15) = -90
Step-by-step explanation:
() means multiply so -6 x 15 = -90
1 5
- 6
-3 0
-6
-90 (cross multiplying)
- x + = -
- x - = +
A 5-pound box of raspberries costs $27.20. What is the price per ounce?
$
Answer:
$0.34 per ounce
Step-by-step explanation:
A 5 pound box can be changed to ounces. There are 16 ounces in a pound. So we have 5 groups of 16.
5 × 16 is 80 ounces.
There are 80 ounces in 5lbs.
To get a price per ounces, divide.
dollars/ounces
= 27.20/80
= 0.34 dollars/oz.
This is 34cents per ounce.
If Steve can’t decide what bank to take a loan from, what banking service would make a bank a better option than the others?
0% financing
online banking
fee-free checking
overdraft protection
Answer:
Fee-free banking
Step-by-step explanation:
Answer:
fee free checking
Step-by-step explanation:
The average age in a sample of 90 students at City College is 20. As a result of this sample, it can be concluded that the average age of all the students at City College:
If the sample is not truly representative, the conclusion may not accurately reflect the actual average age of all the students at the college.
Based on the given information, it can be concluded that the average age of all the students at City College is likely around 20. However, it's important to note that this conclusion is only valid if the sample of 90 students is representative of the entire student population at City College. If the sample is not truly representative, the conclusion may not accurately reflect the actual average age of all the students at the college.
The average age in a sample of 90 students at City College is 20. However, based on this sample alone, it cannot be conclusively determined that the average age of all the students at City College is also 20. This is because the sample may not be fully representative of the entire student population. More information or a larger sample would be needed to make a more accurate conclusion about the average age of all students at City College.
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If the sample of 90 students is representative of the entire student population at City College, then we can conclude that the average age of all students is approximately 20 years old.
Based on the given information, the average age in a sample of 90 students at City College is 20.
To determine if this sample can be used to conclude the average age of all students at City College, we need to consider these terms:
Sample:
A subset of a population, which in this case is the group of 90 students at City College.
Population:
The entire group of students at City College that we want to make a conclusion about.
Average (Mean) Age:
The sum of ages divided by the total number of students, in this case, 20 years.
Representativeness:
How well the sample reflects the characteristics of the entire population.
If the sample of 90 students is representative of the entire student population at City College, then we can conclude that the average age of all students is approximately 20 years old.
However, if the sample is not representative, the conclusion may not be accurate.
To make a more accurate conclusion, it is important to ensure that the sample is representative by using a larger sample size or random sampling methods.
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1. Find the area of a rectangle that is 12 cm by 14
cm.
Answer:
multiply the width length
Which operation would be performed third when simplifying the given expression?
60 ÷ 6 × ( 18 - 9 ) + 4
A.
60 ÷ 6
B.
90 + 4
C.
(18 − 9)
D.
10 × 9
The third operation performed third when simplifying the given expression is 10 × 9.
Which operation would be performed third when simplifying the given expression?Order of operations are the rules that tell the sequence in which the multiple operations in an expression should be solved.
Bracket ( )
Of Multiplication Of
Division ÷
Multiplication x
Addition +
Subtraction -
1st operation (Evaluate the expression in the bracket):
60 ÷ 6 × ( 18 - 9 ) + 4 => ( 18 - 9 )
2nd operation (Division):
60 ÷ 6 × 9 + 4 => 60 ÷ 6
3rd operation (Multiplication):
10 × 9 + 4 => 10 × 9
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A volume is described as follows:1. the base is the region bounded by x=−y2+2y+160 and x=y2−26y+186 ;2. every cross section perpendicular to the y-axis is a semi-circle.Find the volume of this object.
To find the volume of the object, we can integrate the areas of the cross sections perpendicular to the y-axis along the given interval.
First, let's find the limits of integration by setting the two equations for the base equal to each other and solving for y:
-x = y^2 - 26y + 186
Rewriting the equation as a quadratic equation:
y^2 - 26y + 186 + x = 0
This equation represents a parabola. We can find the y-values at the intersection points by using the quadratic formula:
y = (-b ± √(b^2 - 4ac)) / (2a)
For this equation, a = 1, b = -26, and c = 186 + x.
The discriminant, b^2 - 4ac, is given by:
D = (-26)^2 - 4(1)(186 + x) = 676 - 744 - 4x = -68 - 4x
Since we want to find the y-values where the parabola intersects, we need to find the values of x where the discriminant is greater than or equal to 0:
-68 - 4x ≥ 0
-4x ≥ 68
x ≤ -17
Therefore, the limits of integration for x are from -∞ to -17.
Now, we can find the area of each cross section perpendicular to the y-axis. Given that each cross section is a semi-circle, the area of a cross section at a particular y-value will be:
A(y) = (1/2) * π * r^2
where r is the radius of the semi-circle. The radius, in this case, is the difference between the x-values of the two curves:
r = (y^2 - 26y + 186) - (-(y^2 + 2y + 160)) = y^2 - 26y + 186 + y^2 + 2y + 160 = 2y^2 - 24y + 346
The volume of the object is then given by integrating the area function with respect to y over the given interval:
V = ∫[a,b] A(y) dy = ∫[a,b] (1/2) * π * (2y^2 - 24y + 346)^2 dy
where a and b are the limits of integration for y, which we still need to determine.
To find the limits of integration for y, we need to solve the quadratic equation for y:
x = -(y^2 + 2y + 160)
y^2 + 2y + (x + 160) = 0
Using the quadratic formula:
y = (-2 ± √(2^2 - 4(x + 160)))/(2) = (-2 ± √(4 - 4(x + 160)))/(2) = (-2 ± √(-4x - 636))/(2) = -1 ± √(-x - 159)
Since the limits of integration are perpendicular to the y-axis, we consider the y-values that correspond to the endpoints of the base.
Therefore, the limits of integration for y are -1 - √(-x - 159) and -1 + √(-x - 159).
Finally, we can now evaluate the integral:
V = ∫[-∞, -17] (1/2) * π * (2y^2 - 24y + 346)^2 dy
This integration requires further algebraic simplification and evaluation.
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Round your answer to the nearest hundredth.
Answer:
000.212
Step-by-step explanation:
Determine whether each pair of expressions is equivalent. Explain your reasoning.
The answer is:
\(\large\textbf{They aren't equivalent.}}\)
In-depth explanation:
To determine the answer to this problem, we will use one of the exponent properties:
\(\sf{x^{-m}=\dfrac{1}{x^m}}\)
And
\(\sf{\dfrac{1}{x^{-m}}=x^m}\)
Now we apply this to the problem.
What is 4⁻³ equal to? Well according to the property, it's equal to:
\(\sf{4^{-3}=\dfrac{1}{4^3}}\)
And this question asks us if 4⁻³ is the same as 1/4⁻3.
Well according to the calculations performed above, they're not equivalent.
let the function f be continuous and differentiable for all x. suppose you are given that , and that for all values of x. use the mean value theorem to determine the largest possible value of .
Based on the given information and the Mean Value Theorem, we can determine that the largest possible value of f(5) is 21. The Mean Value Theorem guarantees the existence of a point within the interval (−1, 5)
To find the largest possible value of f(5) using the Mean Value Theorem, we can consider the interval [−1, 5]. Since f(x) is continuous on this interval and differentiable on the open interval (−1, 5), the Mean Value Theorem guarantees the existence of a point c in the interval (−1, 5) such that the derivative of f(x) at that point is equal to the average rate of change of f(x) over the interval [−1, 5].
Since f(−1) = −3 and f(x) is continuous on the interval [−1, 5], by the Mean Value Theorem, there exists a point c in the interval (−1, 5) such that f'(c) is equal to the average rate of change of f(x) over the interval [−1, 5]. The average rate of change of f(x) over this interval is given by (f(5) - f(−1))/(5 - (−1)) = (f(5) + 3)/6.
Now, since we are given that f′(x) ≤ 4 for all values of x, we can conclude that f'(c) ≤ 4. Therefore, we have f'(c) ≤ 4 ≤ (f(5) + 3)/6. By rearranging the inequality, we get 24 ≤ f(5) + 3. Subtracting 3 from both sides gives 21 ≤ f(5), which means the largest possible value of f(5) is 21.
By considering the given conditions, such as f(−1) = −3 and f′(x) ≤ 4, we can derive the inequality 21 ≤ f(5) as the largest possible value.
#Let the function f be continuous and differentiable for all x. Suppose you are given that f(−1)=−3, and that f
′ (x)≤4 for all values of x. Use the Mean Value Theorem to determine the largest possible value of f(5).
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How do you add negative numbers with positives
when we add negative number to the positive number we just subtract the smaller number from the larger number and put the sign or the larger number after words
examples:- First
\(5 + ( - 2) = 5 - 2 = 3\)
like here we put + in front of 3 as larger number 5 is positive
second\( - 7 + 5 = - 2\)
we put negative because 7 is larger then 5 and 7 is negative
A feasibility study includes tests for ____ feasibility, which refers to the practical resources
needed to develop, purchase, install, or operate the system.
a. operational c. schedule
b. technical d. economic
b. technical feasibility. this is correct option.
A feasibility study includes tests for technical feasibility, which refers to the practical resources needed to develop, purchase, install, or operate the system. It assesses whether the required technology, hardware, software, and infrastructure are available and can be effectively implemented to support the system. The focus is on evaluating the technical requirements, constraints, and risks associated with the proposed system to ensure its successful implementation and operation.
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A circle has a radius of 16 ft. What is the area of the circle in terms of π?
Responses
A. 256π ft2
B. 128π ft2
C. 64π ft2
D. 32π ft2
The area of the circle in terms of π if the circle has a radius of 16 ft is 256 π ft^2. Option A is correct.
First, let us understand the circle:
A circle is nothing more than a round form with no corners or line segments. In geometry, it is a closed curve shape.
Some formulas related to circle:
Area of the circle = πr^2
Circumference of the circle = 2πr
where, r = radius of the circle.
We are given;
A circle has a radius of 16 ft.
We need to find the area of the circle in terms of π.
Area of the circle = πr^2
Put the value of r in the above formula:
Area of the circle = π 16^2 * ft^2
Area of the circle = 256 ft^2
Thus, the area of the circle in terms of π if the circle has a radius of 16 ft is 256 π ft^2. Option A is correct.
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Answer:
option A
Step-by-step explanation:
1. there is a fisherman that sells fish smaller than 12 inches in length for $3.00, anything that is 12 inches or longer is $6.00 in price. his local fishing laws will not let him catch fish smaller than 6 inches. a. write the inequalities for the size of $3.00 fish that he can sell. let be the length of a fish he sells. b. if you only had $4.50 with you, what is the largest fish you could buy from the fisherman
The inequality represents the 6 ≤ x < 12 fish length between 6 to 12 inches and you can purchase fish that has lengths between 6 to 12 inches for $4.50
What is inequality?It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than known as inequality.
We have:
There is a fisherman that sells fish smaller than 12 inches in length for $3.00, anything that is 12 inches or longer is $6.00 in price.
For the size of $3.00 fish that he can sell.
6 ≤ x < 12
y is the length of fish that 12 inches or longer
y ≥ 12 for $6
The amount you have = $4.50
You can purchase fish that has lengths between 6 to 12(less than 12 inches)
So, fish length: 6 ≤ x < 12
Thus, the inequality represents the 6 ≤ x < 12 fish length between 6 to 12 inches and you can purchase fish that has lengths between 6 to 12 inches for $4.50
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identify the open intervals on which the function is increasing or decreasing. (select all that apply.) f(x) = sin x -1, 0 < x < 2 π
Increasing:
A. (π/2, 3π/2)
B. (0, π/2)
C. (3π/2, 2π)
D. (0, [infinity])
E. (-[infinity],0)
The intervals on which function f(x) = sin x -1 increasing or decreasing is (0, π/2) (B).
The given function is f(x) = sin x -1, 0 < x < 2 π.
A sinusoidal function is a function that can be written in the form f(x) = a sin(bx + c) + d or f(x) = a cos(bx + c) + d, where a, b, c, and d are constants.
The graph of the given function is a sine curve shifted downward by 1 unit.
The function is increasing on the interval (0, π/2) because the slope of the curve is positive on this interval.
The function is decreasing on the interval (π/2, 3π/2) because the slope of the curve is negative on this interval.
The function is increasing again on the interval (3π/2, 2π) because the slope of the curve is positive on this interval.
Therefore, the correct answer is option B. (0, π/2).
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Ms. Cohen is buying supplies for her kindergarten class room. she can spend at most $30. she wants to buy boxes of crayons that cost $2 per box. she also buys a poster for $5. mrs.Cohen wants to know how many boxes of crayons she can buy.
Answer:
Ms. Cohen can buy 12 poxes of crayons.
Step-by-step explanation:
Ms. Cohen can buy 12 boxes of crayons with the rest of her money. In the question it states she only wants to buy 1 poster not more than one so if she buys 1 poster that's
30-5-25
and than you can just count up by 2 till you get the closest to 25
25-24=1$
24/2 = 12
Hope this helps.
The number of boxes of crayons that can be bought is needed.
The number of boxes that can be bought at most is 12.
Linear inequalitiesLet \(x\) be the number of boxes of crayons
Total amount of money = $30
Cost of one box = $2
Cost of poster = $5
The linear inequality will be
\(2x+5\leq 30\\\Rightarrow x\leq\dfrac{30-5}{2}\\\Rightarrow x\leq 12.5\)
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Round 609635.782852 to the nearest thousand.
Answer:
610000
Step-by-step explanation:
Srry i misread that i thought it said round to the nearest thousandth f
After rounding the number to the nearest thousand we get 609635.783
Here,
The given number to round nearest thousand is 609635.782852
What is rounding off of a number?
Rounding off means a number is made simpler by keeping its value intact but closer to the next number.
Now,
In rounding off a number nearest thousand we can write a number up to 3 decimal places
So after rounding 609635.782852 to the nearest thousands we get,
609635.783
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When analyzing the cost of a new home, built of standard materials, with standard techniques and design 1) Replacement cost is always lower than reproduction cost 2) Replacement cost is always higher than reproduction cost 3) Cost and value are always the same 4) Replacement cost and reproduction cost may be the same
The cost of a new home, built of standard materials, with standard techniques and design replacement cost and reproduction cost may be the same.
When analyzing the cost of a new home built with standard materials, techniques, and design, the relationship between replacement cost and reproduction cost may vary. Option 4) Replacement cost and reproduction cost may be the same, is the most accurate statement.
Replacement cost refers to the amount required to replace or rebuild a property, while reproduction cost refers to the cost of constructing an exact replica of the original property. These costs can be the same in some cases, but factors such as market conditions, construction costs, and availability of materials can affect the costs differently. Cost and value are not always the same, as value considers factors such as location, demand, and economic conditions.
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a box is 60 cm long. which of these is closest to the length of this box in feet?
1 inch = 2.54 cm
a. 1.84 feet
b. 1.97
c. 2.54
d. 2.82
Answer:
b. 1.97
Step-by-step explanation:
1cm≈0.032feet
60/0.032≈1.97feet
pls help i hope u guys have god and amazing day
Answer:
A.) -1.0 or -1/1
B.) 0.75 or 3/4
C.) 0.25 or 1/4
D.) -1.25 or -5/4
PLEAZE HELPP 50 POINTS If the function f(x) =-3x3 +7x represents the movement of a whale in meters what is the average rate of change of the whale for x=1 and X=3 seconds label your answer
Answer:
The average rate of change of a function over an interval is found by taking the difference between the function's values at the endpoints of the interval and dividing by the length of the interval. In this case, we have:
f(1) = -3(1)^3 + 7(1) = -3 + 7 = 4
f(3) = -3(3)^3 + 7(3) = -27 + 21 = -6
The average rate of change over the interval from x=1 to x=3 is therefore (-6 - 4) / (3 - 1) = -10 / 2 = -5.
To label your answer, you could write something like: "The average rate of change of the whale's movement over the interval from x=1 to x=3 seconds is -5 meters/second."