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3 years ago

-2y-5x=2 -5x=2y-4 ( I need help solving both equations in y=mx+b form)

1 answer:

4 0

To get both the equations in the form y=mx+b you’ll have to apply basic algebra to make y the subject of the formula. You’ll see how it is done in the image below. The first equation you’ll see I did in more detail to explain it better. Hope this helps

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Together, a necklace and a bracelet cost $192. Find the price of each if the necklace costs 3 times as much as the bracelet

nata0808 [166]

Answer:

the necklace costs $144 while the bracelet costs $48.

Step-by-step explanation:

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3 years ago

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DochEvi [55]

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Step-by-step explanation:

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3 years ago

Represent the following sentence as an algebraic expression, where "a number" is the letter x.

oksano4ka [1.4K]

7+x is the awnser

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7 0

3 years ago

Read 2 more answers

Suppose y varies directly as x, and y=14 when x=4. What is the value of y when x=9

Katena32 [7]

Given :-

y varies directly as x, and y=14 when x=4.

To Find :-

the value of y when x=9 .

Solution :-

According to Question ,

y = kx ( k is constant )

When y = 14 and x = 4 ,

14 = k(4)
k = 14/4
k = 7/2

When x = 9 ,

y = 7/2*9
y = 63/2
y = 31.5

8 0

3 years ago

The store is selling lemons at $0.56 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough l

Nostrana [21]

Answer:

$6.72

Step-by-step explanation:

The store is selling lemons at $0.56 each. Each lemon yields about 2 tablespoons of juice.How much will it cost to buy enough lemons to make three 9-inch lemon pies, each requiring half a cup of lemon juice?

1 cup = 16 table spoon of juice

half a cup = 8 table spoon of juice

1 pie require half a cup of lemon juice. so 1 pie requires 8 tablespoon of lemon juice

Each lemon yields about 2 tablespoons of juice

2 times 4 = 8

So 4 lemon needed to make a pie

cost of 1 lemon = 0.56

cost of 4 lemons = $0.56 \cdot 4=2.24$

cost of lemon for making 3 pie= $3 \cdot 2.24=6.72$

4 0

3 years ago