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3 years ago

I will give brainliest for whoever answers first

Mathematics

1 answer:

shepuryov [24]3 years ago

3 0

Answer:

y = 31.5x

Step-by-step explanation:

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Pam and three of her friends are eating out at a fast-food restaurant. Two people order hamburgers for $4.50 each. One person or

AleksAgata [21]

Answer:

explain

Step-by-step explanation:

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7 0

3 years ago

A snail crawls 24 inches in 8 minutes.<br> What is the unit rate of the snail's movement?

trasher [3.6K]

Answer:

3 unit

Step-by-step explanation:

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3 0

3 years ago

Given: a-b= c-d, b=d-1, c=6; prove: a=5

Brut [27]

Given :

a-b = c-d ...1)

b = d-1 ...2)

c = 6

To Prove :

a = 5

Solution :

Adding equation 1 and 2, we get :

(a-b) + (b) = (c-d) + (d-1)

a = c -1 ...3)

Putting given value of c = 6 in above equation, we get :

a = 6 - 1

a = 5

Hence, proved.

6 0

3 years ago

(v3-2v2-14v-5) ÷ ( v+3) What is the solution? Is dividing polynomials

HACTEHA [7]

This can be done using synthetic division.

1 -2 -14 -5
-3 -3 15 -3
___________
1 -5 1 -8
v^2 - 5v + 1 remainder -8
OR
v^2 - 5v + 1 -8/(v + 3)

7 0

4 years ago

Demand for an electric fan is related to its selling price p (in dollars) by the equation n = 1960 − 70 p where n is the number

alexandr402 [8]

Answer:

$14

Step-by-step explanation:

The revenue from sales of fans is the product of the number of fans sold and the price at which they are sold:

R(p) = n·p = (1960-70p)p

R(p) = 70(28 -p)p

This equation describes a parabola that opens downward and has zeros at p=0 and p=28. The axis of symmetry is halfway between those zeros, at p=14. It goes through the vertex or point of maximum revenue.

The price for maximum revenue is p = 14 dollars.

7 0

3 years ago