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svet-max [94.6K]
3 years ago
14

Help math hurry! 20min left!!! 5 questions!

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
3 0
1 - 3
2 - 3
3 - C
4 - D
5 - C
You might be interested in
4. Suppose that you have an enormous grapefruit that is 92% water (by weight). The grapefruit weights 100 pounds. If the water c
Anton [14]

Answer:

80 pounds.

Step-by-step explanation:

Let W₁ be the initial weight of water in the grapefruit, W₂ be the weight of water in the grapefruit after evaporation, and M be the total weight of the grapefruit after evaporation. Assuming that, originally, the grapefruit weighed 100 pounds with a 92% water content and the weight of the "non-water" part of the fruit (100 - W₁) does not change. The final weight of the grapefruit (M) is given by:

W_1=0.92*100=92\\W_2=0.90*M\\W_2+(100-W_1) = M\\W_2=M-8\\(1-0.9)M=8\\M=80

The grapefruit now weighs 80 pounds.

8 0
2 years ago
I need help don’t know this ??
stealth61 [152]
Is it trying to find the pints where they meet????!
3 0
2 years ago
<img src="https://tex.z-dn.net/?f=9x%20%7B%7D%5E%7B2%7D%20y%20%7B%7D%5E%7B3%7D%20z%20%7B%7D%5E%7B5%7D%20%20%5Cdiv%206x%20%7B%7D%
dexar [7]

Answer:

3y²z³ / 2x

Step-by-step explanation:

we can take one term at a time:

9/6 can be simplified to 3/2

x²÷x³ = x^-1 which equals \frac{1}{x}

y³÷y = y²

z⁵÷z² = z³

put it all together:

3·\frac{1}{x}·y²·z³ / 2  or

3y²z³ / 2x

8 0
3 years ago
Bub buys a t - shirt for $7.45. He pays with a $20 bill . How much change will he get
SVETLANKA909090 [29]

Answer:

12.55

Step-by-step explanation:

7 0
2 years ago
A number cube was rolled as part of an experiment. The results are displayed in the table below.
densk [106]
<span> <span> </span><span><span> Number    Frequency    <span> Probability </span>
</span> <span> 1                      4 <span>                 0.13
</span> </span> <span> 2                      6 <span>                 0.20
</span> </span> <span> 3                      5 <span>                 0.17
</span> </span> <span> 4                      7 <span>                 0.23
</span> </span> <span> 5                      3 <span>                 0.10
</span> </span> <span> 6                      5 <span>                 0.17
</span></span><span>total                30<span>                 1.00

</span></span></span></span><span>The best explanation of how to find the experimental probability of rolling a 3 is: 
To find the experimental probability of rolling a three, write a ratio of the number of times three occurs to the total number of trials. Simplify if necessary.

5/30 = 1/6 or 0.166 or 16.6% or 17%.</span>
7 0
2 years ago
Read 2 more answers
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