3 years ago

What is −2√20−√125 in simplest radical form

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

3 0

-9 $\sqrt{4}$

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In detail explain how to multiply in binomial of (5x-7 (2x-1) in foil method

Nesterboy [21]

Step-by-step explanation:

First

Outer

Inner

Last

First- 5x*2x=10x^2

Outer-5x*-1= -5x

Inner--7*2x= -14x

Last- -7*-1= 7

10x^2-5x-14x+7

you can simplify it further however thats the answer

4 0

3 years ago

If your dog eats 7/8 lb of food in 4 meals,how many meals will take your dog to eat 1 lb of food

Naddik [55]

I would say 5 meals. 7/8 =.875. .875/4=.218. .218+.875=1.09 so the dog would eat 1.09 lb ofdog foodafter 5 meals

8 0

4 years ago

Now write as multiplying 10 to a power by 10 to a power.

natita [175]

10^10 is 10000000000

7 0

3 years ago

Please help.

kirill115 [55]

we have

$y=-16t^{2} +120$

we know that

When the apple hit the ground the value of y is equal to zero

Find the x-intercept of the function

equate the function to zero

$-16t^{2} +120=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$-16t^{2} =-120$

$t^{2} =-120/-16$

$t^{2} =7.5$

$t=(+/-)\sqrt{7.5}$

$t=(+/-)2.74$

therefore

<u>the answer is</u>

$2.74\ sec$

using a graphing tool

see the attached figure to better understand the problem

7 0

3 years ago

Help ASAP asap you have to help me out with the question

balu736 [363]

C is the right answer and they all share point O.

3 0

3 years ago