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3 years ago

I'LL GIVE BRAINILIEST!!!

Mathematics

2 answers:

uysha [10]3 years ago

6 0

Answer:3

3, 10, 50=1, 3.50

Step-by-step explanation:

Okay. Let’s go over the answers.

The first number in an ordered pair represents the number of pounds of apples. Since there were three pounds of apples, the x-coordinate is three.

The second number in an ordered pair represents the cost. Since it costs ten dollars and fifty cents for three pounds of apples, the y-coordinate is ten-fifty.

The unit rate is the cost for one pound of apples. The table shows that one pound of apples costs three dollars and fifty cents.

ohaa [14]3 years ago

4 0

Answer:

A: (3, 10.50)

B: (1, 3.5)

Step-by-step explanation:

A is (3,10.50) becuae the x-value is always based off of how many pounds of apples there are while the y-value is always the price.

B is (1, 3.5) because unit rates are when x = 1. When x = 1 y equals to 3.5.

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3 years ago

Solve 7x - 2z = 4- xy for x.

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Step-by-step explanation:

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4 years ago

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3 years ago

Amy received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.24 per pound. After buying the c

SVEN [57.7K]

Answer:

5 pounds

Step-by-step explanation:

Given that:

Amount of gift card = $80

Cost of coffee per pound = $8.24

Amount left in the card = $38.80

To find:

Number of pounds of coffee bought = ?

Solution:

Let the number of pounds of the coffee bought = $x$ pounds

Cost of 1 pound = $8.24

Cost of $x$ pounds = $8.24 $\times x$

Writing the equation as per question statement:

$80 - 8.24x = 38.80\\\Rightarrow 80 - 38.80 = 8.24x\\\Rightarrow 8.24x = 41.2\\\Rightarrow x = \dfrac{41.2}{8.24}\\\Rightarrow \bold{x = 5\ pounds}$

Therefore, 5 pounds of coffee was bought.

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3 years ago