2 years ago

9. You have been saving your money to buy a new pair of shoes. Three different

Mathematics

1 answer:

iragen [17]2 years ago

5 0

Store A would be least expensive

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Help please need this answer

fredd [130]

Answer:

(5,4) is the solution

Step-by-step explanation:

2x + y = 14 --> y = -2x + 14

Substitute y = -2x + 14 into 3x - 2y = 7

3x - 2( -2x + 14) = 7

3x + 4x - 28 = 7

7x = 35

x = 5

y = -2(5) + 14

y = -10 + 14

y = 4

Answer (5 , 4)

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2 years ago

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Choose the equation that represents a line that passes through points (−1, 2) and (3, 1).

nlexa [21]

Answer:

(B) x + 4y = 7

Step-by-step explanation:

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2 years ago

Patrick is driving form Sydney to Canberra. He travels for 288km trip in 4 hours. What's his average speed?

nika2105 [10]

Answer:

v = 72 km/h

Step-by-step explanation:

Given that,

The distance covered by the Patrick, d = 288 km

Time taken, t = 4 hours

We need to find the average speed of Patrick. We know that the average speed of an object is equal to the total distance covered divided by total time taken. Let it is v. So,

$v=\dfrac{d}{t}\\\\v=\dfrac{288\ km}{4\ h}\\\\v=72\ km/h$

So, his average speed is equal to 72 km/h.

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2 years ago

Simplify. 5(x - y) - (x - y) <br> a. x - y <br> b. x y <br> c. 4x - 4y <br> d. 4x 4y

chubhunter [2.5K]

C is the answer hope this helps.

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2 years ago

Select all tables thaf represent A proportional relationship between x and y.

Whitepunk [10]

A is the answer babygirl.

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2 years ago