MATHEMATICS MIDDLE SCHOOL

Expand and evaluate the power(1.6) ^2

A. 3.6
B. 3.2
C. 2.56
D. 0.8

Answers

Answer 1
Answer: 1.6^2

It's telling you to multiply 1.6 by itself 2 times.

1.6 * 1.6 = 2.56
Answer 2
Answer: 2.56.-----really all you had to do was 1.6*(its self) 1.6 giving you 2.56 (C)----

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Convert 65% percent into a fraction in simplest form

Which is greater .836 or .83

Answers

just do like this
.836
.83
.83=.830
which one has bigger numbers?
.836 or
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the answer is .836

ed spent 35% of his time on roller coasters. if he was there for 8 hours, how much time did he spend on roller coasters

Answers


0.35= 35%    0.35 * 8= 2.8   Ed spent 2.8 hours of his time on roller coasters.

Stephen keeps track of the fresh water fish he has for sale. The results are shown in this table. Which type of display would be best to show Stephen's results?



A.
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B.
histogram

C.
line graph

D.
bar graph

Answers

D. bar graph. 
Correct me if I'm wrong
i believe that your answer is D) bar graph this is what i would go with, for this kind of question

42 divided by 6 in repeated subtraction

Answers

42 - 6 = 36 - 136 - 6 = 30 - 230 - 6 = 24 - 324 - 6 = 18 - 418 - 6 = 12 - 512 - 6 = 6 - 66 - 6 = 0 - 742/6 = 7
42-6=36
36-6=30
30-6=24
24-6=18
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30 less than 4 times a number is equal to 14

Answers

30 less than means -30
4 times a number means 4 times x or 4x
equal means =
14 is 14

-30+4x=14
add 30 boths ides
30-30+4x=14+30
0+4x=44
4x=44
divid by 4
4/4x=44/4
1x=11
x=11
4x-30=14
+30 +30
_________
4x=44
---- -----
4 4
x=11

I think but don't kill me if it's wrong

If sin ⁡x=−4/5, and π

Answers

Answer:

Step-by-step explanation:

sin ⁡x=−4/5

x=sin^-1(4/5)

x=about 53.1

x=(-4/5)/sin(53.1 degrees)=about -2.64662408617

what do you need for pi?
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