Answer:
hope it helps
Step-by-step explanation:
a = 102
b = 78
c = 58
d = 122
e = 26
f = 58
A line with a slope of 10 passes through the point (0, 10). What is its equation in
slope-intercept form?
Answer:
y = 10x + 10
Step-by-step explanation:
(0,10) means that the y is 10 when the x is 0, which is the y-intercept
y-intercept: 10
b = y-intercept
m = slope
slope: 10
y = mx + b
y = 10x + 10
After watching baking shows on T.V., Angie signs up for a cake-decorating class. To practice her new skills, she decorates a batch of cupcakes with sugar flowers. Angie puts 4 sugar flowers on each cupcake. In all, Angie puts 32 sugar flowers on the cupcakes.
Which equation can you use to find the number of cupcakes c Angie decorates?
Solve this equation for c to find the number of cupcakes Angie decorates.
Angie decorates 8 cupcakes after putting 4 sugar flowers on each cupcake.
To find the number of cupcakes c Angie decorates, we can use the equation:4c = 32where 'c' is the number of cupcakes Angie decorates.
4 represents the number of sugar flowers Angie puts on each cupcake, and 32 is the total number of sugar flowers Angie puts on the cupcakes.
To solve this equation for c, we need to isolate c on one side of the equation. We can do this by dividing both sides of the equation by 4. This gives us:c = 8
Therefore, Angie decorates 8 cupcakes.Here's how we get to this answer:4c = 32Divide both sides by 4 to isolate c:c/4 = 32/4c = 8
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Evaluate the expression for the given value of the variable: 5 × (h + 3) for h = 7 2 × (c² - 5) for c= 47a - 4a for a = 8
Answer:
50
22
24
Explanation:
Given the below expression;
\(5\times(h+3)\)Let's go ahead evaluate when h = 7;
\(5\times(7+3)=5\times10=50\)Given the below expression;
\(2\times(c^2-5)\)Let's go ahead evaluate when c = 4;
\(\begin{gathered} 2\times(4^2-5) \\ =2\times(16-5) \\ =2\times11 \\ =22 \end{gathered}\)Given the below expression;
\(7a-4a\)Let's go ahead evaluate when a = 8;
\(7(8)-4(8)=56-32=24\)Fill in the missing statement and reason of the proof below.
Given:
A
E
‾
≅
E
B
‾
AE
≅
EB
and
∠
D
A
B
≅
∠
C
B
A
.
∠DAB≅∠CBA.
Prove:
△
A
D
E
≅
△
B
C
E
△ADE≅△BCE.
The included angle of one triangle are congruent to the corresponding parts of the other triangle. Since the sides AD and BE are congruent, as well as the included angle DAB and CBA, then △ADE≅△BCE.
By the Side-Angle-Side (SAS) congruence theorem, if two sides and the included angle of one triangle are congruent to the corresponding parts of the other triangle, then the triangles are congruent. In this proof, the given statements provide that the sides AE and EB are congruent, as well as the angles DAB and CBA. This means that the two corresponding sides of the triangles △ADE and △BCE are congruent, and the included angles of the triangles are also congruent. Therefore, according to the SAS congruence theorem, the two triangles are congruent, and thus △ADE≅△BCE.
The SAS congruence theorem applies to any two triangles, regardless of the size or shape of the triangles. The congruence of the sides and angles is sufficient to prove that two triangles are congruent. This theorem can be used to prove other theorems, such as the Triangle Sum Theorem, which states that the sum of the angles in a triangle is equal to 180 degrees. To prove this theorem, one could use the SAS congruence theorem to show that two right triangles are congruent, and then use the congruent angles to prove that the sum of the angles in a triangle is 180 degrees.
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2 questions plz Both will be in the comments
The graph of the function f(x) = –(x + 6)(x + 2) is shown below.
On a coordinate plane, a parabola opens down. It goes through (negative 6, 0), has a vertex at (negative 4, 4), and goes through (negative 2, 0).
Which statement about the function is true?
The function is increasing for all real values of x where
x < –4.
The function is increasing for all real values of x where
–6 < x < –2.
The function is decreasing for all real values of x where
x < –6 and where x > –2.
The function is decreasing for all real values of x where
x < –4.
The statement about the function is: "The function is decreasing for all real values of x where x < -4." D.
The given information tells us that the graph represents a downward-opening parabola.
The vertex of the parabola is located at (-4, 4) indicates that this point is the highest point on the graph.
As we move to the left of the vertex, the function values decrease, indicating a decreasing trend.
Moreover, the graph passes through the point (-6, 0), which lies to the left of the vertex.
This confirms that the function is decreasing for all real values of x less than -4, including x < -6.
On the other hand, the graph also passes through the point (-2, 0), which lies to the right of the vertex.
This does not impact the conclusion that the function is decreasing for x < -4, as the graph's behavior to the right of the vertex is not relevant to this particular statement.
Based on the given information and the properties of the downward-opening parabola, we can conclude that the function is decreasing for all real values of x where x < -4.
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13,14,15- please helppp
Answer:
Must understand distance and slope formula first:
slope y_2-y_1/x_2-x_1
distance d=√((x_2-x_1)²+(y_2-y_1)²)
(Just search up the formulas if this isn't clear)
Step-by-step explanation:
For #13 take two points and put them in the distance formula remember (#,#) the first # is 'x' the second # is the 'y' in a point.
then you could simply type all that in a calculator and a single number should pop up indicating one of the lines (doesn't matter the #) then do the same for the second points (cuz you used two already you have two left) If the number is same as the first two points it's a pallelagram. (I tested it out got 7.07...)
For the slope you're doing something similar to the distance formula, you're filling out two sets of points into the slope formula if they come out the same # it's parallel.
Determine the present value P you must invest to have the future value A at, simple interest rate r after time t.
A = $14,000, r = = 8.5%, t = 5 years
The present value that must be invested is $
(Round up to the nearest cent as needed.)
ww an example
Get more help.
Clear all
Check answer
brre
The present value is $9,824.56.
What is the present value?
Future value is the sum of the present value and the interest earned. When an amount earns a simple interest, it means that the present value grows at a linear rate.
Future value = simple interest + present value
Present value = future value - simple interest
Simple interest in a linear function of the present value, the interest rate and the duration of the investment.
Simple interest = present value x interest rate x time
14,000 - p = p x 0.085 x 5
14,000 - p = 0.425p
14,0000 = 1.425p
p = 14,000 / 1.425
p = $9,824.56
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Among all pairs of numbers whose sum is 24, find a pair whose product is as large as possible. Show the work(the steps)! Write an equation of the corresponding quadratic function. How parabola opens? What is the maximum product? Does this function has a maximum value or the minimum value? Explain. Graph the function and upload the image.
The pair of numbers that yields the maximum product when their sum is 24 is (12, 12), and the maximum product is 144. The corresponding quadratic function is P(x) = -x^2 + 24x, and the parabola opens downwards.
To find a pair of numbers whose sum is 24 and whose product is as large as possible, we can use the concept of maximizing a quadratic function.
Let's denote the two numbers as x and y. We know that x + y = 24. We want to maximize the product xy.
To solve this problem, we can rewrite the equation x + y = 24 as y = 24 - x. Now we can express the product xy in terms of a single variable, x:
P(x) = x(24 - x)
This equation represents a quadratic function. To find the maximum value of the product, we need to determine the vertex of the parabola.
The quadratic function can be rewritten as P(x) = -x^2 + 24x. We recognize that the coefficient of x^2 is negative, which means the parabola opens downwards.
To find the vertex of the parabola, we can use the formula x = -b / (2a), where a = -1 and b = 24. Plugging in these values, we get x = -24 / (2 * -1) = 12.
Substituting the value of x into the equation y = 24 - x, we find y = 24 - 12 = 12.
So the pair of numbers that yields the maximum product is (12, 12). The maximum product is obtained by evaluating the quadratic function at the vertex: P(12) = 12(24 - 12) = 12(12) = 144.
Therefore, the maximum product is 144. This quadratic function has a maximum value because the parabola opens downwards.
To graph the function, you can plot several points and connect them to form a parabolic shape. Here is an uploaded image of the graph of the quadratic function: [Image: Parabola Graph]
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4. Computing costs to rent an LCD projector. Cesar is renting an LCD projector. The rental company charges a $10 flat fee for administrative costs plus $18 per day for the projector. If Cesar
had a bill of $82, how many days did he keep the projector?
If Cesar had a bill of $82 for renting an LCD projector, he kept the projector for 4 days, based on the linear equation.
How the number of days are determined?To determine the number of days the projector, we deploy linear equation, which is in the form of y = mx + b, where m is the slope, x and y are variables, and b is the y-intercept.
The flat fee for administrative costs = $10
The variable cost per day = $18
The total bill for renting the projector = $82
The number of days = x
Linear Equation:10 + 18x = 82
18x = 72
x = 4
Check:
10 + 18x = 82
10 + 18(4) = 82
10 + 72 = 82
82 = 82
Thus, setting a linear equation, we can determine the number of days the projector was rented as 4 days.
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Sketch the graph of the given function. Then state the function’s domain and range. y = 4(4)x
To sketch the graph of the function y = 4(4)^x, we can start by plotting a few points to get an idea of the shape of the graph.
Let's choose some x-values and calculate the corresponding y-values:
For x = -2, y = 4(4)^(-2) = 4(1/16) = 1/4
For x = -1, y = 4(4)^(-1) = 4(1/4) = 1
For x = 0, y = 4(4)^0 = 4(1) = 4
For x = 1, y = 4(4)^1 = 4(4) = 16
For x = 2, y = 4(4)^2 = 4(16) = 64
Now we can plot these points on a coordinate plane and connect them to form the graph of the function.
The graph of y = 4(4)^x will start at the point (0, 4) and increase rapidly as x increases. It is an exponential growth function where the base is 4.
The domain of the function is all real numbers since there are no restrictions on the values of x.
The range of the function is the set of positive real numbers greater than zero. As x increases, y grows without bound, approaching positive infinity but never reaching zero or becoming negative.
Please help question in the picture
Answer:
64 m²
Step-by-step explanation:
Area of the trapezoid = ½(a + b)h
Where,
a = 6 m
b = 10 m
h = 8 m
Plug in the values
Area = ½(6 + 10)*8
Area = ½(16)*8
Area = 8*8
Area = 64 m²
I need help plssssssss
Answer:
Choices Please?
Step-by-step explanation:
Comment on this
Answer:
.
Step-by-step explanation:
The following data points represent the number of guests at Hunter’s Ribeye BBQ House each day since they opened.
96, 279, 255, 254, 75, 211, 271, 291, 102
Display the data in a histogram.
Step-by-step explanation: first one goes to 2 second one goes to 0 and third one goes to 6 I said "get help" on khan academy
The histogram for the given data is displayed below.
What is histogram?A histogram is a visual representation of statistical data that makes use of rectangles to illustrate the frequency of data items in a series of equal-sized numerical intervals. The independent variable is represented along the horizontal axis and the dependent variable is plotted along the vertical axis in the most popular type of histogram.
The given data is 96, 279, 255, 254, 75, 211, 271, 291, 102.
Data in order 75, 96, 102, 211, 254, 255, 271, 279, 291.
From the graph, with intervals 0-74 there are 0 observations
75-149 there are 3 observations
150-224 there is 1 observation
225-299 there are 5 observations
Therefore, the histogram for the given data is displayed below.
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A system of two linear equations is shown below.
Answer:
i dont see it
Step-by-step explanation:
What is the discriminant of the quadratic equation 9x^2– 8x – 2 = 0?
Answer:
\(\boxed {\boxed {\sf 136}}\)
Step-by-step explanation:
The quadratic formula helps us find the roots of a quadratic equation. The equation is:
\(\begin{array}{*{20}c} {x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}} } \\ \end{array}\)
where \(ax^2+bx+c=0\)
The discriminant is just the part under the square root. This helps tell us if there are two, one, or zero real solutions.
The discriminant is:
\(b^2-4ac\)
We are given the quadratic: \(9x^2-8x-2=0\)
Therefore, a is 9, b is -8, and c is -2.
\(a=9 \\ b= -8 \\c= -2\\\)
\((-8)^2-[4(9)(-2)]\)
Solve the exponent.
(-8)²= -8*-8=64\(64-[4(9)(-2)]\)
Multiply 4, 9, and -2.
4*9*-2= 36*-2=-72\(64-(-72) = 64+72 \\=136\)
The discriminant is 136. Since it is a non-zero, positive number, this quadratic has 2 real solutions/zeroes/roots.
Find the area of each face of the triangular prism and the total surface area.
Drag each tile to its matching measurement. Each number may be used once or not at all.
9514 1404 393
Answer:
24160120200528Step-by-step explanation:
The area of each triangular face is given by the formula ...
A = 1/2bh
The triangular faces have a base of b=8 cm, and a height of h=6 cm. Their area is ...
A = 1/2(8 cm)(6 cm) = 24 cm²
__
Each of the rectangular faces has a length of 20 cm. The width depends on which face is of interest. In each case, the area is given by ...
A = LW
Bottom face: A = (20 cm)(8 cm) = 160 cm²
Back face: A = (20 cm)(6 cm) = 120 cm²
Sloped face: A = (20 cm)(10 cm) = 200 cm²
__
The total area is the sum of the areas of all of the faces and bases. There are two triangular bases, so the total area is ...
(2×24 + 160 +120 +200) cm² = 528 cm²
(9-3) -6+(-102
Help me
Answer: -102
Step-by-step explanation: First we do 9-3 = 6, then add -6 which cancels each other out, so all we have left is -102.
Hope this helps! :)
Answer:
-102
Step-by-step explanation:
(+9) - (+3) = +6
(-6) = -6
+ (-102) = -102
so, +6 -6 -102 = -102
Write the explicit formula for the arithmetic sequence below. 14, 9, 4, -1, ...
Step-by-step explanation:
To find the next term or number, we'll need to keep subtracting 5. So the formula is: n-5
can you guys answer this ?
Answer:
-7
...................
What is the value of p in the equation \(.34p+.49f=5\)
Answer:
ask siri
Step-by-step explanation:
go to your phone
go to siri
and then ask her
Which statement is true about the graphed function
Dorothy organises a charity raffle she sells 800 tickets for £2 each 4% of the tickets win a prize it cost £20 65% of the profit goes to charity A and the rest goes to charity be how much of the money does Dorothy raise for charity day
By using Percentage , Profit distributed to Charity A is £ 624 and Charity B is £ 336
What is Percentage ?A figure or ratio stated as a fraction of 100 is called a percentage. Although the abbreviations "pct.", "pct.", and occasionally "pc" are also used, the percent symbol, "%," is frequently used to indicate it. A % is a number without dimensions and without a standard measurement.
The Latin phrase "per centum," which meaning "by the hundred," was the source of the English word "percentage." Fractions having a denominator of 100 are called percentages. In other words, it is a relationship where the value of the entire is always assumed to be 100.
Finding the percentage of a whole in terms of 100 is what percentage calculation refers to. A percentage can be found in one of two ways:
use the unitary approach.by adjusting the fraction's denominator to 100.It should be noted that when the denominator is not a factor of 100, the second technique of percentage calculation is not applied. In these situations, we employ the unitary technique.Total ticket sold = 800
Cost of each ticket is £ 2
Total fund raised (raw) = 2 * 800 = £1600
4% of the ticket won a prize of £20 each
so total number of tickets winning a prize = 4 % of 800 = 32
Total prize money distributed = 32 * 20 = £ 640
Total amount to distribute to charity = 1600 - 640 = £ 960
Total profit that goes to Charity A is = 65 % of 960 = £624
And rest to charity B is = £ 336
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Multiply. Write your answer as a fraction in simplest form.
2/5 x 10/7
Answer:
1 29/35
Step-by-step explanation:
I think this is the answer
Write and solve an inequality to find the possible values of x.
The inequality tha calculates the possible values of x is x < 2
How to determine the inequality tha calculates xFrom the question, we have the following parameters that can be used in our computation:
The figure
Where, we have
3x + 2 < 10
And, we have
2x + 6 < 10
Evaluate the expressions
So, we have
3x < 8 and 2x < 4
Evaluate
x < 8/3 and x < 2
Hence, the inequality tha calculates x is x < 2
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Anna borrowed N$20 000 at 5% for three and half years. She wants to pay N$8000 on maturity. To achieve
this, she is planning to pay 2000 in 10 months, 5000 in 16 months from now. How much should she pay in two
and half years from now to meet her obligation?
Anna should pay N$289,711.85 in two and a half years from now to meet her obligation.
What is interest rate?An interest rate is the rate at which a borrower pays to a lender for the use of borrowed money. It is expressed as a percentage of the principal amount borrowed and is typically calculated on an annual basis.
According to question:To solve this problem, we can use the formula for the future value of an annuity:
FV = \(P * [(1 + r)^n - 1]/r\)
Where FV is the future value of the annuity, P is the periodic payment, r is the interest rate per period, and n is the total number of periods.
We know that Anna borrowed N$20,000 at 5% for three and a half years, which is equivalent to 42 months. The periodic payment, P, is the sum of N$2,000 and N$5,000, which is N$7,000.
First, we can calculate the future value of the annuity after 42 months:
FV = 7,000 * [(1 + 0.05/12)\(^42\) - 1]/(0.05/12)
FV = 7,000 * 56.3743
FV = N$394,120.10
Since Anna wants to pay N$8,000 on maturity, she will need to pay N$386,120.10 at the end of the 42 months to meet her obligation.
Now we can calculate how much Anna should pay in two and a half years from now, which is equivalent to 30 months:
\(PV = FV / (1 + r)^n\)
PV = 386,120.10 / (1 + 0.05/12)\(^30\)
PV = N$289,711.85
Therefore, Anna should pay N$289,711.85 in two and a half years from now to meet her obligation.
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7a-2a-5b+b= ??
I dont understand this can anyone help
Step-by-step explanation:
See bring both like terms together like
7a - 5b
-2a + 1b
=? ? ? ?
Now you identify the answer its so easy I all most said the answer there is nothing to solve actually.
Ok
Answer: 5a-4b
Step-by-step explanation:
=7a+−2a+−5b+b
=(7a+−2a)+(−5b+b)
=5a+(−4b)
=5a-4b
Lines MN and GH are parallel. If the measure of angle 6 is 45°, what is measure of angle 4?
Answer: It will be A that is the best answers
Solve to find the area:
Answer:
16cm^2
Step-by-step explanation:
well if you multiply 4 x 8 to find the area it would be 32 but it is a triangle so divide 32 by 2 to get 16
Answer:
16 cm²
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightGeometry
Area of a Triangle: A = 1/2bhStep-by-step explanation:
Step 1: Define
Base b = 8 cm
Height h = 4 cm
Step 2: Find A
Substitute [Area]: A = 1/2(8 cm)(4 cm)Multiply: A = (4 cm)(4 cm)Multiply: A = 16 cm²Evaluate the expressions when a = -6 and c = 7a - 6c
Answer:
The value of a - 6c when a = -6 and c = 7 is -48.
Explanation:
To evaluate an expression, simply replace the variables with their corresponding numerical value. Replace "a" with -6 and "c" with 7.
\(-6-6(7)\)Then, solve.
\(-6-42=-48\)Hence, the value of a - 6c is -48.