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solong [7]
2 years ago
5

Solve this question asap for brainliest!!!​

Mathematics
1 answer:
Savatey [412]2 years ago
8 0

Step-by-step explanation:

4 sin (0) - 4

_________

π

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4x3= So ? what's the division
MrRa [10]

Answer:

12/4=3 or 12/3=4

Step-by-step explanation:

because multiplication is the opposite of division

8 0
3 years ago
Solve for x in the diagram below.
larisa [96]

Answer:

x = 20

Step-by-step explanation:

The three angles form a straight line so they add to 180 degrees

x+ 100 +3x = 180

Combine like terms

100+4x= 180

Subtract 100 from each side

100+4x-100= 180-100

4x= 80

Divide each side by 4

4x/4 = 80/4

x = 20

8 0
2 years ago
Read 2 more answers
Solve for w<br> 5w-12=8<br> w=what
beks73 [17]

Answer:

w=4

Step-by-step explanation:

search the questions up

4 0
2 years ago
Carley is using a map to estimate the length in miles of her upcoming road trip. On her map 1/8- represents 10 miles. What is th
Katarina [22]

Answer:

  • 3.1 inches

Step-by-step explanation:

<u>The scale is</u>

  • 1/8 in = 10 miles
  • 1/8*8 in = 10*8 miles
  • 1 in = 80 miles

<u>Then</u>

  • x in = 248 miles

<u>Cross multiplication</u>

  • x  - 248
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8 0
3 years ago
Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved th
trasher [3.6K]

Answer:

The null and alternative hypotheses are:

H_{0}:\sigma_{men} = \sigma_{women}

H_{a}:\sigma_{men} \neq \sigma_{women}

Under the null hypothesis, the test statistic is:

F=\frac{\sigma^{2}_{men}}{\sigma^{2}_{women}}

       =\frac{19^{2}}{9^{2}}

       =\frac{361}{81}

       =4.46

Therefore, the test-statistic is F=4.46

 Now the F critical value at 0.02 significance level for df1 = 10- 1 =9 and df2 = 16 - 1 =15 is:

F_{critical} = 3.303

Since F statistic is greater than the F critical value, we therefore, reject the null hypothesis and conclude that there is sufficient evidence to support the claim that there is a difference in the variation in the listening times for men and women.


7 0
2 years ago
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