3 years ago

Simplify (√-2+√-5)(-√-2-5√-5).Please

Mathematics

1 answer:

AysviL [449]3 years ago

3 0

In the second parenthesis is the -2 and -5 inside the house or is -5 separate

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What is the value of this expression? [(3+ 5)⋅2−5]⋅3 enter your answer in the box. HURRY I HAVE 2 MIN. LEFT

Andreyy89

Do it with pxmdas 3+5=8 8*2 =16 -5=11*3=33

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4 years ago

If 8 people do a job in 40 hours. How many people need to do the job in 32 hours?

bija089 [108]

Answer:

6 people

Step-by-step explanation:

8/40 = x/32

multiply both sides by 32: 8(32)/40 = x

x = 256/40

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3 years ago

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3 years ago

. Which equation represents the line that passes through the points (3.7) and (-1.-1)

kondaur [170]

Answer:

$y=2x+1$ or $y+1=2(x+1)$

Step-by-step explanation:

step 1

Find the slope of the line

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

$A(3,7)\ B(-1,-1)$

Substitute the values

$m=\frac{-1-7}{-1-3}$

$m=\frac{-8}{-4}=2$

step 2

Find the equation of the line into slope point form

$y-y1=m(x-x1)$

we have

$m=2$

$pointB(-1,-1)$

substitute

$y+1=2(x+1)$ -----> equation of the line into point slope form

$y=2x+2-1$

$y=2x+1$ -----> equation of the line into slope intercept form

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3 years ago

Given: prove:x=15<br> Statements and reasons

nlexa [21]

Answer:

i think question is not clear

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3 years ago