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2 years ago

Pplllllzz help where should they goo ill make u brainlist and give u a thank you and I'll get points

Mathematics

1 answer:

stealth61 [152]2 years ago

8 0

Answer:

5/5=1

2/8 put it right after the 0

3/6=1/2

1 1/3 put it behined the 1

-1/3 put it between the 0 and -1/2

1 9/10 put it in front of 2

7/4 put it in front of 2

Step-by-step explanation:

hope that helps

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Tju [1.3M]

Answer:

Step-by-step explanation:

Rationalize the denominator of b. So, multiply the numerator and denominator by $\sqrt{x}$

$b = \frac{(1-2\sqrt{x}) *\sqrt{x}}{\sqrt{x}*\sqrt{x} }=\frac{1*\sqrt{x} -2\sqrt{x} *\sqrt{x} }{\sqrt{x} *\sqrt{x} }\\\\=\frac{\sqrt{x} -2x}{x}\\$

Now, find a +b

$a +b = \frac{2x+\sqrt{x} }{x}+\frac{\sqrt{x} -2x}{x}\\\\=\frac{2x+\sqrt{x} +\sqrt{x} -2x}{x}$

Combine like terms

$= \frac{2x-2x+\sqrt{x} +\sqrt{x} }{x}\\\\=\frac{2\sqrt{x} }{x}$

Now find (a + b)²

(a +b)² = $(\frac{2\sqrt{x} }{x})^{2}$

$= \frac{2^{2}*(\sqrt{x} )^{2}}{x^{2}}\\\\= \frac{4* x}{x^{2}}\\\\= \frac{4}{x}$

Hint: $\sqrt{x} *\sqrt{x} =\sqrt{x*x}=x$

5 0

2 years ago

Write an equivalent expression for 20(x-5)

mamaluj [8]

Answer:

40(x-10)

Step-by-step explanation:

5 0

3 years ago

Christofle is making a doll house the doll house 6/10 meter high without the roof.Thelp roof is 15/100 meter high what will them

Alja [10]

You have to change the denominator of 6/10 into 100 then you will get 60/100 then you add 15/10+60/100

5 0

2 years ago

Find an equation of the line perpendicular to the graph of 14x-7y=8 that passing through the point at (-2,5).

MAXImum [283]

Answer:

2x + 4y = 16.

Step-by-step explanation:

14x - 7y = 8

Convert to slope-intercept form:

-7y = -14x + 8

y = 2x - 8/7

The slope is 2 so the line perpendicular to it has a slope of -1/2, so we have:

y = 1/2x + c

This line passes through the point (-2, 5) so:

5 = -1/2* (-2) + c

5 = 1 + c

c = 5 - 1 = 4

So our equation is y = -1/2x + 4.

Convert to standard from

4y = -2x + 16

2x + 4y = 16.

7 0

3 years ago

Please help ASAP! I will mark Brainliest! Please answer CORRECTLY! No guessing!

g100num [7]

Answer: A

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers