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Tresset [83]
2 years ago
10

HELP PLEASE I NEED HELP ASAP!!

Mathematics
1 answer:
AleksandrR [38]2 years ago
7 0

Answer:

the answer is choice a.

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What is the value of the expression? 100-9^2 divided by 3
katen-ka-za [31]

(100-9^2)/3

PEMDAS: parenthesis, exponents, multiply, divide, add, subtract

Lets' work on the parethesis first.

100-9^2

We can do the exponent first, 9^2=81, so 100-81=19

Then we divide and 19/3 is your final answer.

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3 years ago
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The original price for a jacket was 124.95. It is on sale for 20% off. Witch of the following gives the best estimate of the sav
d1i1m1o1n [39]
20% of 124.95 is close to $125 so that is equal of 12.50 of 10% so multiply by 2 which is $25.00 so the estimate discount of the jacket will be $25.00
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3 years ago
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andrey2020 [161]

Answer:

<u>x = -4/3</u>

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3x + 4 = 0

3x = -4

<u>x = -4/3</u>

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3 years ago
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A randomized study compared the effectiveness of two mosquito repellents. The treatment group using Spray A reported a mean of 3
BlackZzzverrR [31]

Answer:

The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.​

Step-by-step explanation:

Given that:

The treatment group using Spray A reported a mean of 3.5 mosquito bites.

The treatment group using Spray B reported a mean of 5.6 mosquito bites.

After the data are  re-randomized; the differences of the means are shown in the dot plot. The dot plot is attached in the file below;

The best conclusion that can be make based on the data from the dot plot is :

The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.​

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3 years ago
What is the decimal for 2 7/10?
Archy [21]

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3 years ago
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