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storchak [24]
3 years ago
8

What is an solar system of an mercury that is the hottest planet on earth

Mathematics
1 answer:
Orlov [11]3 years ago
3 0

Answer:

Could you be a little more clear? If your asking which planet is the most hottest in the solar system, that would be Venus.

Step-by-step explanation:

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Gerald wants to buy a sweater that is $41.60 because it is on sale for 20% off
vovangra [49]

Answer: $33.28

Step-by-step explanation: 41.60x .20 = 8.32

41.60 - 8.32 = 33.28

3 0
3 years ago
An agronomist hopes that a new fertilizer she has developed will enable grape growers to increase the yield of each grapevine by
Phoenix [80]

Answer:

Yes. Fertilization increases grape yields by more than 5 pounds.

Step-by-step explanation:

Let f-fertilized and o-old(unfertilized)

#First, we use our data to calculate the standard error:

SE(\bar y_f-\bar y_o)=\sqrt{\frac{s_f^2}{n_f}+\frac{s_o^2}{n_o}}\\\\=\sqrt{\frac{3.7^2}{44}+\frac{3.4^2}{47}}\\\\=0.7464

#State both null and alternative hypothesis:

H_o:\mu_f-\mu_o=0\\\\H_A=\mu_f-\mu_o>0

#We determine our degrees of freedom as 87.02(using R), we now compute the t-value as:

t=\frac{\bar y_f-\bar y_o}{\sqrt{\frac{s_f^2}{n_f}+\frac{s_o^2}{n_o}}}\\\\\\t=\frac{53.4-52.1}{\sqrt{\frac{s_f^2}{n_f}+\frac{s_o^2}{n_o}}}\\\\\\t=\frac{1.3}{0.7464}\\\\t=1.7417\\\\P=P(t_{87.0>1.7417}=1-0.9575=0.0.0425

Since, the p-value is low, we Reject the null hypothesis. The is enough evidence suggesting that grape yields increase by more than 5 pounds than mean yields of  unfertilized grapes.

8 0
4 years ago
Prove that a triangle with sides x cm, 2x cm and root5x cm form a Right-angled triangle. ​
Setler [38]

Step-by-step explanation:

x+2x+3x=180

6X=180

x=180/6

x=30

again

2 x=2×30

=60

3×=3×30

=90

5 0
3 years ago
Melvin borrowed $1,200 for furniture. His monthly payments were $60 for 24 months. Find the total amount repaid.
alina1380 [7]
The answer is C just multiply the amount of money hell give times the amount of times hell give it<span />
6 0
3 years ago
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The temperature dropped a total of 84 degrees in a 3 hour period in Canada. Suppose the temperature dropped
Temka [501]

Answer:

84dgree÷3hours=26 degrees/ hour

8 0
3 years ago
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