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sergeinik [125]
2 years ago
7

Please help! I’ll give brainliest!:)

Mathematics
1 answer:
bearhunter [10]2 years ago
8 0

Answer:

1467

Step-by-step explanation:

i know this because taking a negative number and a positive is like adding and then you subtract 144 and you get 1467

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ivanzaharov [21]
1.5+(-8.3)
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6 0
2 years ago
If (x - 4) varies inversely as (y + 3) and x = 8 when y = 2, what is x when y = - 1?
denpristay [2]

Answer:

x=14

Step-by-step explanation:

If two values are inversely proportional, their product must be maintained. That way, if one value goes up, the other goes down by the same extent.

Therefore, if (x-4) and (y+3) vary inversely, their product will be the same for all values of x-4 and y+3.

Let x=8 and y=2 as given in the problem. Substitute values:

(8-4)(2+3)=(4)(5)=20

Hence, the maintained product is 20.

Thus, we have the following equation:

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Substitute y=-1 to find the value of x when y=-1:

(x-4)(-1+3)=20,\\(x-4)(2)=20,\\x-4=10,\\x=10+4=\boxed{14}

3 0
2 years ago
What is x, the length of the diagonal, to the nearest whole number
lions [1.4K]

brainly being slow today so i did my work on this attachment

╦────────────────────────────╦

│Hope this helped  _____________________│      

│~Xxxtentaction _______________________│

╩__________________________________╩      

6 0
3 years ago
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What time 30equals 200
Dovator [93]
The answer is 20/3 first you set a variable x and 30x=200 divid both side by 30 and get the final answer
8 0
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postnew [5]

Answer:

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Step-by-step explanation:

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2x^3+12x^2+10x-24

4 0
3 years ago
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