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4 years ago

Plz help!!! Anyone! Plz help me with this question.

Mathematics

2 answers:

Free_Kalibri [48]4 years ago

7 0

Negative means less.

Positive means more.

as a negative # moves farther away from 0, it becomes smaller.

i.e.

-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7

-5 less than 7.

bazaltina [42]4 years ago

5 0

Answer:

it is greater because positive numbers, either rational or not, are greater than the negative numbers, either rational or not.

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A credit reporting agency claims that the mean credit card debt in a town is greater than $3500. A random sample of the credit c

Lera25 [3.4K]

Answer:

Claim is false

Step-by-step explanation:

Claim : A credit reporting agency claims that the mean credit card debt in a town is greater than $3500.

$H_0:\mu \leq 3500\\H_a:\mu = 3500$

n = 20

Since n <30

So we will use t test

Formula : $t =\frac{x-\mu}{\frac{s}{\sqrt{n}}}$

s = standard deviation = 391

x = 3600

n = 20

$t =\frac{3600-3500}{\frac{391}{\sqrt{20}}}$

$t =1.14$

Degree of freedom = n-1 = 20-1 = 19

α=0.10

So, using t table

$t_({\frac{\alpha}{2},d.f.})$ = 1.72

t critical > t calculated

So we accept the null hypothesis

Hence we reject the claim that the mean credit card debt in a town is greater than $3500.

7 0

3 years ago

3(x-7)=9(4x+5) what is the answer????

Rainbow [258]

PEMDAS

3 ( x - 7 ) = 9 ( 4x + 5 )
3x - 21 = 36x + 45
-36
-33x - 21 = 45
+21

-33x = 66
------ ------
-33 -33

x = -2

Your answer should be -2

I hope this helps!

5 0

4 years ago

Lorea is designing the top of a quilt which measures 2,160 square inches. Triangles will cover 432 square inches of the quilt, a

zhenek [66]

Answer: Its 516. Hope this helps!

Step-by-step explanation:

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3 years ago

A sports ball has a diameter of 19 cm. Find the volume of the ball and select the correct units. Round your answer to 2 decimal

Citrus2011 [14]

Answer:

The volume of a sports ball with a diameter of 19 centimeters is approximately 3,591.364 cubic centimeters.

(Hope this helps! Btw, I am the first to answer. If this answer is wrong, I apologize..)

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3 years ago

Read 2 more answers

The theater director offered every member of the drama one vote for which play they preferred to perform. The director found tha

worty [1.4K]

Answer:

0.92 is the required probability.

Step-by-step explanation:

We are given the following in the question:

Percentage who voted for The Oddems Family = 35%

$P(A) = 0.35$

Percentage who voted for The Thirteenth Night = 57%

$P(B) = 0.57$

Percentage who did not vote = 8%

$P(A^C\cap B^C) = 0.08$

We have to find the probability that the group voted for "Oddems Family" or "Thirteenth Night".

Thus, we have to evaluate

$P(A\cup B)$

This can be done in the following manner:

$P(A^C\cap B^C) = 0.08\\P(A\cup B)^C = 0.08\\P(A\cup B) = 1-0.08\\P(A\cup B) = 0.92$

Thus, 0.92 is the probability that the group voted for "Oddems Family" or "Thirteenth Night".

3 0

3 years ago