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wlad13 [49]
2 years ago
15

If Carrie is 55% of the way achieving her goal and she has already run 11 miles, how many miles is she trying to run by the end

of the week
Mathematics
1 answer:
OlgaM077 [116]2 years ago
3 0

Answer:

If 11 = 55%

Then 20= 100%

Step-by-step explanation:

1%=0,2

100%= 0,2×100

100%=20

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Whoever answers right gets brainliest
Softa [21]

Answer:

37

Step-by-step explanation:

Split the arrow into a rectangle and triangle. The area of the rectangle is 7x4=28. The area of the triangle is 6*3/2=9. 28+9=37

8 0
3 years ago
How far will a ball roll if it travels 12m/s<br> for 3 seconds?
GuDViN [60]
If it takes a ball to roll 12 meters per sec, and asks how far it will roll for 3 seconds you would multiply 12 and 3 getting 36.

The ball will roll 36 meters for 3 seconds
5 0
3 years ago
Read 2 more answers
Frank, who lives in Texas, and his sister Lilly, who lives in Japan, correspond regularly. From what he can tell from the postma
Hoochie [10]

Question:

The available options are:

(A) There is convincing evidence that there is no difference in the mean delivery times.

(B) There is convincing evidence that there is a difference in the mean delivery times.

(C) There is convincing evidence that the mean delivery time from Japan to Texas is greater than the mean delivery time from Texas to Japan.

(D) There is not convincing evidence that the mean delivery time from Japan to Texas is greater than the mean delivery time from Texas to Japan. (E) The t-test cannot be used for sample sizes that are this small.

Answer:

The correct option is;

(A) There is convincing evidence that there is no difference in the mean delivery times.

Step-by-step explanation:

Here we have the formula for the two-sample t-test given s;

t =\frac{\overbar\overline{\rm x}_1 - \overbar\overline{\rm x}_2 }{\sqrt{\frac{\sigma ^2_1}{n_1} } +\frac{\sigma ^2_2}{n_2} }}    

To Texas N₁ = 12,  \overline{\rm x}_1 =8.74 σ₁ = 2.92 SE Mean₁ = 0.84

To Japan N₂ = 9  \overline{\rm x}_2 = 6.75 σ₂ = 2.56 SE Mean₁ = 0.85

t =   1.667

Where the null hypothesis is

mu To Texas = mu To Japan and the alternative is

mu To Texas > mu To Japan

Here since the observed P value of P = 0.058 is greater than the significance level of 0.05 we fail to reject the null hypothesis and we will therefore, not accept the alternative hypothesis.

Hence, there is convincing evidence that there is no difference in the mean delivery times.  

3 0
3 years ago
Use the Distributive Property to rewrite each expression. <br> 8 (2m + 1)
mestny [16]

Answer: 16m+8

Step-by-step explanation: 8 (2m + 1)

16m+8

5 0
3 years ago
A forest covers 73,000 acres. A survey finds that 0.2% of the forest is old-growth trees. How many
lara31 [8.8K]

Answer:

143 acres.

Step-by-step explanation:

To find how many acres of old-growth trees there are, we need to find what 0.2% of 73,000 is.

To find a percent of a number, multiply the percent by the number.

0.2% is equal to 0.002.

73,000 x 0.002 = 143

So, 143 acres of the forest is old-growth trees.

<em>I would appreciate brainliest, if not that's ok!</em>

3 0
2 years ago
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