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8090 [49]
3 years ago
13

Geometry math question

Mathematics
2 answers:
avanturin [10]3 years ago
8 0

A full rotation is 360 degrees, divide 360 by the rotation given in the problem:

360 / 120 = 3

A triangle has 3 inside angles, so the answer would be an equilateral triangle.

erik [133]3 years ago
8 0

A full rotation is 360 degrees, divide 360 by the rotation given in the problem:

360 / 120 = 3

A triangle has 3 inside angles, so the answer would be an equilateral triangle.

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Omar throws a softball from a starting height of 8 feet, with an initial velocity of 18 feet per second. Which of the following
Artist 52 [7]
I can not see your choices but I'm assuming that this equation is what you are looking for: 16t+vt+ho. The other equation 4.9t+vt+ho is used for meters. I apologize if those weren't your choices as once again I can not see them.
4 0
3 years ago
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$5,000 is invested at 3% interest. How much money must be invested at 5% interest so that the total interest from the two invest
Nataly [62]
3% interest on 5,000 = 150

275 (the total amount wanted) - 150 (from initial investment)= 125

x (5%) =125
x (0.05)= 125
x/0.05)= 125/0.05
x=2500

you need to invest 2500 at 5% to get the additional 125

125 plus 150= 275


7 0
3 years ago
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Assume that trees are subjected to different levels of carbon dioxide atmosphere with 7% of the trees in a minimal growth condit
taurus [48]

Answer: The mean and standard deviation are 567.2 and 89.88 resp.

Step-by-step explanation:

Since we have given that

For 370 parts per million = 7% = 0.07

For 440 parts per million = 10% = 0.10

For 550 parts per million = 49% = 0.49

For 670 parts per million = 34% = 0.34

So, Mean of the carbon dioxide atmosphere for these trees would be

E[x]=370\times 0.07+440\times 0.1+550\times 0.49+670\times 0.34=567.2

And

E[x^2]=370^2\times 0.07+440^2\times 0.1+550^2\times 0.49+670^2\times 0.34=329794

So, Variance would be

Var\ x=E[x^2]-E[x]^2=329794-567.2^2=8078.16

So, the standard deviation would be

\sigma=\sqrt{8078.16}=89.88

Hence, the mean and standard deviation are 567.2 and 89.88 resp.

3 0
4 years ago
The distance from Fort Worth to Fresno is 1,530 miles. If a cyclist maintains an average speed of 17 miles per hour, how many ho
Tju [1.3M]

The time take for the cyclist to travel from Fort Worth to Fresno is 90 \ hours

Explanation:

It is given that the distance from Fort Worth to Fresno is 1,530 miles.

The average speed of the cyclist is 17 miles per hour.

The time travelled by the cyclist can be determined using the formula,

Distance=Speed \times Time

Substituting the value of distance and speed, we get,

1530=17\times Time

Dividing both sides by 17, we get,

90 =Time

Thus, the time take for the cyclist to travel from Fort Worth to Fresno is 90 \ hours

3 0
3 years ago
Can someone help me with this question and show me the steps please<br> -13+x=-25
Dmitrij [34]

Answer:

x= -12

Step-by-step explanation:

-13+x=-25

+13     +13

   x= -12

3 0
3 years ago
Read 2 more answers
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