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nlexa [21]
3 years ago
15

What is 7 + 8(2r - 9)​

Mathematics
2 answers:
sp2606 [1]3 years ago
7 0
-65+ 16r is the answer
Shalnov [3]3 years ago
4 0

7 + 8(2r - 9)​

mutiply the bracket by 8

(8)(2r)= 16r

(8)(-9)= -72

7+16r-72

7-72+16r ( rearranging)

answer:

-65+16r or 16r-65

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Convert the angle measure 40° to a radian measure?
Sophie [7]

Answer:

The answer is

<h2>\frac{2\pi}{9}  \\</h2>

Step-by-step explanation:

To convert an angle from degrees to radians multiply the value by \frac{\pi}{180} .

From the question the value is 40°

It's equivalent in radians is

40 \times  \frac{\pi}{180}   =  \frac{40\pi}{18 0}  =  \frac{2\pi}{9}  \\

We have the final answer as

\frac{2\pi}{9}  \\

Hope this helps you

8 0
3 years ago
PLEASE HELP!!!!<br> -1 3/5 divided by (-2/3)<br> Write the answer as a mixed number
natka813 [3]

Answer:

simplify -1(3/5)÷(-2/3) = 9/10

=90/100

= .90 and there's your answer

5 0
3 years ago
Read 2 more answers
Find the values of x and y
lesantik [10]
X = 90 degrees
angle B = 47 degrees
add them together = 137
subtract from 180 = 43
y = 43 degrees
3 0
3 years ago
Read 2 more answers
Brooke has 24 pencils and 36 erasers. If she makes identical goodie bags for her friends with no pencils or erasers left over, w
Licemer1 [7]
I think the answer is 12 because the greatest common factor of 24 and 36 is 12.

Hope this helped☺☺

(That means each goody bag will have 2 pencils and 3 erasers)
8 0
3 years ago
What is the output value for the following function if the input value is 4?
ElenaW [278]
Assuming the input is x:

y= (6.5)(x) - 9.5
substitute 4 in for x

y= (6.5)(4) - 9.5
multiply sets of parentheses

y= 26 - 9.5

y= 16.5


ANSWER: The output value is 16.5 (second answer down).

Hope this helps! :)
5 0
3 years ago
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