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Snowcat [4.5K]
3 years ago
7

I need help with this asap please! Any help will be appreciated!

Mathematics
1 answer:
pantera1 [17]3 years ago
7 0

Answer:

n=3

Step-by-step explanation:

64^(1/3)

Note that the exponent 1/3 given stands for the third root of the integer.

64^(1/3) =4

Check: 4 x 4 x 4 = 64

(By comparison of 64^(1/3) to 64^(1/n) means n= 3)

∜(64^(1/3)) =∜(4) = 1.41421356

The real number is

All the roots are:

1.41421356

1.41421356i

−1.41421356

−1.41421356i

4 is not a perfect 4th power.

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A triangular city lot bounded by three streets has a length of 300 feet on one street, 250 feet on the second, and 420
Akimi4 [234]

Answer:

The approximate measure of the largest angle formed by these streets is 99.2\°

Step-by-step explanation:

we know that

Applying the law of cosines

c^{2}=a^{2}+b^{2} -2(a)(b)cos(C)

In this problem we have

a=300\ ft

b=250\ ft

c=420\ ft ----> is the greater side

substitute and solve for angle C

420^{2}=300^{2}+250^{2} -2(300)(250)cos(C)

176,400=152,500 -150,000cos(C)

cos(C)=[152,500-176,400]/150,000

cos(C)=-0.1593

C=arccos(-0.1593)=99.2\°

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3 years ago
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Don’t click the link.
6 0
3 years ago
A published report of a repeated-measures research study includes the following description of the statistical analysis. "The re
balandron [24]

Answer:

3 treatment conditions were compared in the study.

14 individuals participated in the study.

Step-by-step explanation:

Consider the provided information.

Part (A) How many treatment conditions were compared in the study?

There are two sets of degrees of freedom; one for the numerator and one for the denominator.

F ratio is defined as: df=(df_{\text{Between treatment}}, df_{error})

The formula for between treatment is: df_{\text{Between treatment}}=k-1

Substitute df_{\text{Between treatment}}=2 in above formula.

2=k-1

k=3

Therefore, 3 treatment conditions were compared in the study.

Part (B) How many individuals participated in the study?

The error degree of freedom is df_{error}=(k-1)(n-1)

Substitute df_{error}=26 and k=3 in above formula.

26=(3-1)(n-1)

26=2(n-1)

14=n

Hence, 14 individuals participated in the study.

3 0
3 years ago
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is the proportion of tires that are defective so
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3 years ago
Please help me it's due tomorrow
vitfil [10]
The graph represents p(x) = |x|

To graph r(x) and q(x), pick any values of x to graph (I'd pick the numbers on the x- scales, -6, -4, -2, 0, 2, 4, and 6)

As for explaining them, I'm sure something like "multiply the absolute value of x by -1/2" for describing q(x) is an acceptable answer.
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3 years ago
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