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3 years ago

Whats -2 7/100 as a decimal?

2 answers:

8 0

-0.027 is the answer, basically you would just count out the zeros behind the decimal since it's 100, you would place one zero to create the "hundredths" place

Len [333]3 years ago

8 0

27/100= .27 This is because you have to put it to end in the hundreds place, so the answer would .27

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Find the exact value. cos150°

Aloiza [94]

ANSWER

$\cos(150 \degree) = - \frac{ \sqrt{3} }{2}$

EXPLANATION

We want to find the exact value of cos(150°).

150° makes an angle of 30° with the positive direction of the x-axis and it is also in the second quadrant.

The cosine ratio is negative in the second quadrant.

Using the unit circle,

$\cos(150 \degree) = - \cos(30 \degree) = - \frac{ \sqrt{3} }{2}$

8 0

3 years ago

Read 2 more answers

= – 1 is a solution of the equation

Nina [5.8K]

Answer:

Step-by-step explanation:

substitute -1 into all of the formulas, if both sides are equal, then it is correct, for C:

2(x-2)+6 = 0, sub -1

2(-1-2)+6=0, simplify and work out

2(-3)+6=0

-6+6=0

0=0

4 0

3 years ago

Which expression is equivalent to 1/4-3/4x?<br> 1/4(1+3x)<br> 1/4(1-3x)<br> 1/4(-1+3x)<br> 4(1+3x)

o-na [289]

Answer:1/4(1-3x)

Step-by-step explanation:

5 0

3 years ago

Which statements are true about the place values in the number 99.999? Choose all answers that are correct. A. The 9 in the hund

In-s [12.5K]

B and b only but pls check

4 0

3 years ago

Read 2 more answers

7/2x+1/2x = 18+ 9/2x

chubhunter [2.5K]

Answer:

x=-36

Step-by-step explanation:

Add the 7/2x +1/2x to be 8/2x which means that it'll be 4x=18=9/2

then subtract 9/2x on both sides so itll be

$4x=18+\frac{9}{2} x$

-9/2x -9/2x

$-\frac{1}{2} x=18$ because if you do 8/2-9/2 it's -1/2

then multiply the reciprocal to both sides so

$(\frac{2}{-1})(-\frac{1}{2}x)=(\frac{2}{-1})(18)$

which then cancels out -1/2 and makes it

x=-36

4 0

4 years ago