Just look at the picture

Answers

Answer 1

Answer:

Answer:

80 and 9 in that order.

Step-by-step explanation:

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The value of a car decreases as shown in the table below.A 2-column table with 6 rows. The first column is labeled years after purchase with entries 0, 1, 2, 3, 4, 5. The second column is labeled value (dollar sign) with entries 25,000; 18,000; 14,000; 10,500; 8,000; 6,000.Which statements are true? Check all that apply. in edgeThe function that best represents the data is f(x) = 24,512(0.755)x.The function that best represents the data is f(x) = 554x2 – 5,439x + 24,600.The function decreases indefinitely.It is reasonable to interpolate to the value of the car at 4.5 years. It is reasonable to extrapolate to 40 years.
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the ratio of the number of boys to girls at a party is 3:4 six boys leaved the party the ratio of the number of boys to girls at the party is now 5:8 work out the number of girls

Answers

Answer:

The boys are 36, the girls 48

What is f(x) = 7x2 + 42x written in vertex form?

Answers

Answer:

$\boxed{\boxed{y = 7(x+3)^2-63}}$

Step-by-step explanation:

The general vertex form of parabola is,

$y=a(x-h)+k$

where,

(h, k) is the vertex of the parabola.

The given function is,

$\Rightarrow f(x) = 7x^2 + 42x$

$\Rightarrow y = 7x^2 + 42x$

$\Rightarrow y = 7(x^2 + 6x)$

$\Rightarrow y = 7(x^2 + 2\cdot x\cdot 3)$

$\Rightarrow y = 7(x^2 + 2\cdot x\cdot 3+3^3-3^2)$

$\Rightarrow y = 7(x^2 + 2\cdot x\cdot 3+3^3)-7\cdot 3^2$

$\Rightarrow y = 7(x+3)^2-7\cdot 9$

$\Rightarrow y = 7(x+3)^2-63$

This is vertex form the given function.

Hello,

y=7x²+42x
==>y=7(x²+2*3*x+9)-63
==>y=7(x+3)²-63

Use the gcf and the distributive property to express the sum as a product 20 35

Answers

common factor of 20= 1,2,4,5,10.......
common factor of 35=1,5,7.............
so here we find that 1 and 5 r the common factors
but the GCF of 20 and 35 is 5
so,
by using GCF the distributive property is : 5(4+7)

If a pizza costs 2.85 to make and customer pays 8.95 how much profit have I made as a percentage

Answers

8.95-2.85 = 6.1 (this is the profit)
the % is 6.1÷8.95 × 100 = 68% (nearest whole number)

hope this helps :)

What is the volume of the right prism? 5 cm 10 cm 6 cma.2250 cm3
b.1500 cm3
c.150 cm3
d.25 cm3

Answers

I will just give you the answer because I do not feel like explaining it oh what the heck I will do it any ways! it is c because it is LxWxH= your answer that is why it is c

Justin weighs 15 pounds less than Greg weighs. Half of Greg’s weight is 75 pounds less than Justin’s weight. How much does each of them weigh

Answers

The answer is:
Justin weighs 165 pounds.
Greg weighs 180 pounds.

If:
j - Justin's weight
g - Greg's weight

Then the system of equations is:
j + 15 = g ⇒ g = j + 15
1/2g = j - 75 ⇒ j = 1/2g + 75

We can replace j in the first equation:
g = 1/2g + 75 + 15
g - 1/2g = 90
1/2g = 90
⇒ g = 90 ÷ 1/2 = 180

Thus, Greg weighs 180 pounds.

Now, using the first equation, we will calculate Justin's weight:
j + 15 = g ⇒ j = g - 15
g = 180

Thus
j = g - 15 = 180 - 15 = 165

Therefore, Justin weighs 165 pounds.

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