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4 years ago

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will give brainliest!!!!!! will give brainliest!!!!!! will give brainliest!!!!!! will give brainliest!!!!!! will give brainliest

!!!!!! will give brainliest!!!!!! will give brainliest!!!!!! will give brainliest!!!!!! will give brainliest!!!!!! will give brainliest!!!!!!

2 answers:

aliya0001 [1]4 years ago

4 0

The answer to this question is D

Rom4ik [11]4 years ago

3 0

I think the answer is d I did the math but I’m not shure

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The sum of three numbers $x$ ,$y$, $z$ is 165. When the smallest number $x$ is multiplied by 7, the result is $n$. The value $n$

babymother [125]

You're given

<em>x</em> + <em>y</em> + <em>z</em> = 165

7<em>x</em> = <em>n</em>

<em>n</em> = <em>y</em> - 9

<em>n</em> = 9 + <em>z</em>

and you want to find <em>xyz</em>.

Solve the last three equations for <em>x</em>, <em>y</em>, and <em>z</em> :

7<em>x</em> = <em>n</em> → <em>x</em> = <em>n</em>/7

<em>n</em> = <em>y</em> - 9 → <em>y</em> = <em>n</em> + 9

<em>n</em> = 9 + <em>z</em> → <em>z</em> = <em>n</em> - 9

Substitute <em>x</em>, <em>y</em>, and <em>z</em> into the first equation and solve for <em>n</em> :

<em>n</em>/7 + (<em>n</em> + 9) + (<em>n</em> - 9) = 165

<em>n</em>/7 + 2<em>n</em> = 165

<em>n</em> + 14<em>n</em> = 1155

15<em>n</em> = 1155

<em>n</em> = 77

Now solve for <em>x</em>, <em>y</em>, and <em>z</em> :

<em>x</em> = 77/7 = 11

<em>y</em> = 77 + 9 = 86

<em>z</em> = 77 - 9 = 68

Then the product is

<em>xyz</em> = 11 • 86 • 68 = 64,328

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3 years ago

the base of a fountain is rectangular.its dimensions are 1 2/3 ft by 2 2/3 ft . what is the area of the base of the fountain

kvv77 [185]

If you would like to find the area of the base of the fountain, you can calculate this using the following steps:

1 2/3 ft * 2 2/3 ft = 5/3 * 8/3 = 40/9 = 4 4/9 square feet

The area of the base of the fountain is 4 4/9 square feet.

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3 years ago

Mister smith wants to improve the look of his back yard by planting small trees that cost 14 dollars each and flowering plants t

3241004551 [841]

<span>14T+9P<250 is the correct answer

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3 years ago

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Movies at the rental store are $3.75 each. Snacks and drinks are $1.89 each. Round each amount to the nearest dollar to estimate

hodyreva [135]

Answer:

$14.00

Step-by-step explanation:

First you round 3.75 to 4.00 because 7 is greater than 5 so it would turn the 3 to 4 than add the zeros it's 4.00. Second You multiply by three so 4.00 × 3 you will get 12.00. Than you round 1.89 to 2.00 because 8 is greater than 5 so it would turn to the 1 to the 2 than add the zeros it's 2.00. Finally you add them together and get $14.00

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2 years ago

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alexandr402 [8]

Complementary... i know this for sure

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4 years ago

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