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jarptica [38.1K]
2 years ago
8

Marty used the graph to determine if he should go to the beach on vacation. He did not want to go if there were more than 500 pe

ople at the beach. Which statement would help him make his decision? A The temperature does not affect the number of visitors. B as the temperature increases, the number of visitors decreases C as the temperature increases, the number of visitors increases. D as the temperature increases, the number of visitors stays the same.​

Mathematics
2 answers:
OlgaM077 [116]2 years ago
7 0
I think it’s both .. hope you get it right
slega [8]2 years ago
6 0

Answer:

d

Step-by-step explanation:

he is benifeting from both

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What is the value of f? <br> 6f-12= -4f+6
tensa zangetsu [6.8K]

6f-12=-4f+6\qquad|\text{add 12 to both sides}\\\\6f=-4f+18\qquad|\text{add 4f to both sides}\\\\10f=18\qquad|\text{divide both sides by 10}\\\\\boxed{f=1.8}

7 0
3 years ago
Round 5.852 to the nearest whole number.
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Answer:

6

Step-by-step explanation:

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2 years ago
Samantha’s college runs on a trimester schedule so she receives a bill 3 times a year for tuition. Each trimester costs $1,450,
matrenka [14]

3 times a year for 2 years is equal to 3 x 2, or 6. So we know that she will have to pay her bill 6 times.

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8 0
3 years ago
Read 2 more answers
Two competing headache remedies claim to give fast-acting relief. An experiment was performed to compare the mean lengths of tim
DaniilM [7]

Answer:

t = 0.875

Step-by-step explanation:

Given

<u>Brand A</u>            <u>Brand B</u>

n_ 1= 12               n_2 = 12

\bar x_1 = 21.8            \bar x_2 = 18.9

\sigma_1 = 8.7              \sigma_2 = 7.5

Required

Determine the test statistic (t)

This is calculated as:

t = \frac{\bar x_1 - \bar x_2}{s\sqrt{\frac{1}{n_1} +  \frac{1}{n_2}}}

Calculate s using:

s = \sqrt{\frac{(n_1-1)*\sigma_1^2+(n_2-1)*\sigma_2^2}{n_1+n_2-2}}

The equation becomes:

s = \sqrt{\frac{(12-1)*8.7^2+(12-1)*7.5^2}{12+12-2}}

s = \sqrt{\frac{1451.34}{22}}

s = \sqrt{65.97}

s = 8.12

So:

t = \frac{\bar x_1 - \bar x_2}{s\sqrt{\frac{1}{n_1} +  \frac{1}{n_2}}}

t = \frac{21.8 - 18.9}{8.12 * \sqrt{\frac{1}{12} + \frac{1}{12}}}

t = \frac{21.8 - 18.9}{8.12 * \sqrt{\frac{1}{6}}}

t = \frac{21.8 - 18.9}{8.12 * 0.408}}

t = \frac{2.9}{3.31296}}

t = 0.875

3 0
3 years ago
Solve this trigonometry question, please by an easy method.​
podryga [215]
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  • x=6/tan39
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And

  • sin39=6/y
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7 0
1 year ago
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