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Radda [10]
3 years ago
12

Find the value of: a) 5x when x = 6 B) 3y when y = -7

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
7 0

Answer:

a 30 b -21

Step-by-step explanation:

a 5x = 5(6)

= 30

b 3y = 3(-7)

= -21

galina1969 [7]3 years ago
5 0

Answer:

a,30 b,-21

Step-by-step explanation:

a, 5x = 5x6 = 30

b, 3y = 3x-7 = -21

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svlad2 [7]

Incomplete question. The full question read;

My local store sometimes runs offers on some of its products. There are three different types of  offers that could be in place:

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The store only ever has one of these offers in place at any time.

Last week I bought

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This week I bought the same set of items, but only paid $18 even though the individual items still had the same price.

(4) There are two possible offers that could be applied to orange juice that would each explain this reduction in the total bill.

What are these two offers?

(5) What are the other two offers that could explain the reduction in the total bill?

Answer:

<u>1. Buy a certain number of a particular product and get an extra one for half price</u>

Step-by-step explanation:

By buying 2 and getting one at half the price matches the offer:

  • Buy a certain number of a particular product and get an extra one for half price.

This means two (2) cartons of orange juice cost $8 (4*2) + $2 cost the extra one at half price.

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3 years ago
Equation of line k ?
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A pasture is twice as long as it is wide. its area is 88,200 ft2. how wide is the pasture?
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Step-by-step explanation:

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