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Gwar [14]
3 years ago
8

Please help will mark brainliest!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
3 0

Answer:

256

Step-by-step explanation:

<1=<8 -->alt exterior angles

<4=<1 --> vertical angles

= <1=<4=<8(128)

256

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select the correct answer hurry has 81 red balls what she wants to arrange in rows is the number of balls and which will not be
Arlecino [84]

Given

81 red balls

Number of balls per row = Number of rows

Procedure

b = Number of balls

r = Number of rows

T = Total number of balls

b = r

\begin{gathered} T=b\cdot r \\ Given\text{ b=r} \\ T=b^2 \\ b=\sqrt[]{T} \\ b=\sqrt[]{81} \\ b=9 \end{gathered}

The answer is:

Number of rows = 9

Number of balls = 9

7 0
2 years ago
Need halp with this math problem by help i mean the answer.
Juliette [100K]
(5^-1)(5^-3)
=1/(5^1 . 5^3)
= 1/5^4
=1/625

answer is  A. 1/625 (first choice)
5 0
3 years ago
Can somebody help me out?
Maru [420]

Answer:

the correct answer are the last three options

Step-by-step explanation:

i just took the test and got it right

8 0
3 years ago
Reading 44 Sports 55 Video games 55 Music 66. How to find the percent Plz help?????
zepelin [54]
Reading          - 44
Sports             - 55
Video games - 55
Music              - 66
--------------------------
                    =  220

Reading = (44/220) x 100 = 20%
Sports = (55/220) x 100 = 25%
Video games -> same as sports
Music = (66/220) x 100 = 30%

20 + 25 + 25 + 30 = 100%

hope this helps :)
plz let me know if this was not your question









5 0
4 years ago
(x + 4)( x + 7) simplified
lora16 [44]

Answer:

x² +11x +28

Step-by-step explanation:

(x +4) (x+7)

take the first x and multiply by x and then the 7 which gives you x² +7x

then take the 4 and multiply it by the x and the 7 which gives you 4x + 28

add all like terms

4 0
3 years ago
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