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3 years ago

How can you check the answer to a decimal multiplication problem?

1 answer:

vladimir1956 [14]3 years ago

4 0

Idk if this is the right way but u can divide like 10.3 times 3 =30.6 and if u divide 30.6 by 3 you get 10.6 so that's a simple way hope it helped

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Find all solutions to the equation. <br> cos^2 x +2cosx+1=0

Schach [20]

$x= \pi$

Step-by-step explanation:

$\cos^2x+\cos x+1=0$

Let $u= \cos x$

Then $u^2+2u+1=(u+1)^2=0$

$\cos x = -1$

This gives us $x= \pi$ or all integer multiples of $\pi (n \pi)$

4 0

2 years ago

'Ciumane ananen<br> 32.50t + 5 = 28.75t + 20

gtnhenbr [62]

Answer:

The answer is 0.25

Step-by-step explanation:

(1)we group like terms by subtracting 32.50 by 28.75

(2) we subtract 20 and 5 to give us a value of 15

(3)when we subtract 32.50 and 28.75 we get a value of 3.75

(4)so the equation will look like this 3.75t = 15

(5)we divide 3.75 we both the two equations

(6)With a correct calculation, Your answer should be t = 0.25

6 0

3 years ago

Kinda need help on both of these, will give brainliest btw

MissTica

Answer:this is gonna help you sm

Step-by-step explanation:

There’s an all called photo math, download it on ur phone and ur set

3 0

3 years ago

What is that equation written in standard form

melisa1 [442]

That would be 21378,6

6 0

3 years ago

Read 2 more answers

List all segments that could represent a corresponding height if the side n is the

ZanzabumX [31]

Answer:

g,h,m

Step-by-step explanation:

All three of these line segments are perpendicular on n (which acts as the base).

Therefore , g,h,m are corresponding heights

8 0

3 years ago