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3 years ago

WILL BE MARKED AS BRAINLIEST !!! Solve (−22 −4 + 8)+ (52 + 2 − 25)

Mathematics

2 answers:

nataly862011 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

anygoal [31]3 years ago

3 0

Answer:

Step-by-step explanation:

1) lets get rid of the parentheses, we dont really need them:

−22 −4 + 8+ 52 + 2 − 25

Following order of operations we need to work from left to right

-22-4=-26

-26+8=-18

-18+52=34

34+2=36

36-25=11

the answer is 11

hope this helps

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Nookie1986 [14]

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Step-by-step explanation:

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3 years ago

Given that α and β are the roots of the quadratic equation <img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D%20%2B6x-7%3Dp" id="Tex

siniylev [52]

Answer:

$\large \boxed{\sf \ \ \ p=-11 \ \ \ }$

Step-by-step explanation:

Hello,

$\alpha \text{ and } \beta \text{ are the roots of the following equation}$

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It means that

$2\alpha^2+6\alpha-7=p \\\\2\beta ^2+6\beta -7=p \\\\$

And we know that

$\alpha= 2\cdot \beta$

So we got two equations

$2(2\beta)^2+6\cdot 2 \cdot \beta -7=p \\\\8\beta^2+12\beta -7=p\\\\ and \ 2\beta ^2+6\beta -7=p \ So \\\\\\8\beta^2+12\beta -7 = 2\beta ^2+6\beta -7\\\\6\beta^2+6\beta =0\\\\\beta(\beta+1)=0\\\\ \beta =0 \ or \ \beta=-1$

For $\beta =0, \ \ \alpha =0, \ \ p = -7$

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I assume that we are after two different roots so the solution for p is p=-11

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So a quadratic equation with the expected roots is

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Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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2 years ago

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Ksenya-84 [330]

Answer:

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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