3 years ago

I need help please help me

Mathematics

1 answer:

bixtya [17]3 years ago

7 0

Answer:

Step-by-step explanation:

same i also need help in this

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Mary has a third of the money that Erin has. Erin has $8 less than John. Together they have $267. How much money does each of th

svet-max [94.6K]

Mary = (1/3)x

Erin = x - 8

John = x

Here is your equation:

(1/3)x + (x - 8) + x = 267

Take it from here.

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3 years ago

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Shelley's pet food store sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20. W

arsen [322]

Given that,

Shelley's pet food store sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20.

For peanut, the cost is ratio is

$\dfrac{5}{3}$

For beef, the ratio is

$\dfrac{7}{4.2}$

If we take cross product of these items,

$\dfrac{5}{3}=\dfrac{7}{4.2}\\\\5\times 4.2=3\times 7\\\\21=21$

It implies, that the sale is in true proportion. From the cross product, we find that it is equal.

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3 years ago

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Sales tax is calculated as a percentage of the sales price. If sales tax is 7%, what is the sales tax on clothing that costs $15

Readme [11.4K]

You are going to write 7% as a fraction thusly 7/100
Then you are going to multiply it with the cost price
Therefore it will be 7/100x150

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4 years ago

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1/2 x -41 <br> x=10<br><br> Simplify the answer

Darya [45]

If I'm interpreting this right, it's -36 since a half times ten is 5... so it comes down to 5-41 which equals -36.

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3 years ago

What is the answer to this question

Gre4nikov [31]

4x^2 -2x +3
mark me as brainliest if i’m right !

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