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MrRa [10]
3 years ago
9

I'll give brainliest for however solves it for me And please no links

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0

Answer:

84 98

Step-by-step explanation:

sasho [114]3 years ago
3 0
Part a is 3m = 654, because JoAnn has 3 TIMES as much as Clarissa with a total of 654.

Part b is 218 since if you divide by 3 on both sides you get 218.
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When does the​ t-distribution approach the standard normal​ distribution? Choose the correct answer below. A. When the standard
const2013 [10]

Answer:

E. When the sample size​ increases, because the standard deviation of the distribution of sample means better estimates the population standard deviation for larger sample sizes.

Step-by-step explanation:

  • T distribution is similar to the normal distribution and is seen when the estimates of the variance are based on the degree of freedom and has a relatively more score in its tail and has a greater change of extreme values.
4 0
3 years ago
Which expression is equivalent to 5y^3/(5y)^-2​
Serggg [28]

Answer:

5^3  y^5

125 y^5

Step-by-step explanation:

5y^3/(5y)^-2​

Distribute the exponent in the denominator

5y^3/(5 ^-2 y^-2)

A negative exponent in the denominator brings it to the numerator

5y^3 5 ^2 y^2​​

Combine like terms

5 * 5^2  * y^3 5^2

We know that a^b * a^c = a^(b+c)

5^(1+2) * y^( 3+2)

5^3  y^5

125 y^5

6 0
3 years ago
Which of the following is equal to 25 9/16<br><br>A.25.916<br>B.25.25<br>C.25.169<br>D.25.5625​
vlabodo [156]

Answer:

It's D.

Step-by-step explanation:

To find what decimal number a fraction is equal to, just divide the numerator (top number) by the denominator (bottom number).

5 0
2 years ago
Read 2 more answers
Student answers 90% of the questions on the math exam correctly if she answers 27 questions correctly how many questions are on
liubo4ka [24]

Answer:

30 questions

Step-by-step explanation:

if you cross multiply and divide like this,

\frac{27}{x}= \frac{90}{100}

27 x 100 = 2700

2700 / 90 = 30

you'll get ; 30 !

4 0
2 years ago
Read 2 more answers
Is the relationship between the variables in the table a direct variation, an inverse variation, both, or neither? If it is dire
MrRa [10]

Answer:

Neither

Step-by-step explanation:

In direct variation, as one number increases, the other number also increases and as one number decreases, the other number also decreases. In inverse variation, as one number increases, the other number decreases and as as one number decreases, the other number increases.

For direct variation, y=kx and for indirect variation, y=\frac{k}{x} where k is a constant.

x  2    5   20  40

y  40  20  5     2

Here,

\frac{2}{40}=\frac{1}{20}\\  \frac{5}{20}=\frac{1}{4}\\  \frac{20}{5}=4 \\\frac{40}{2} =20

So, this is neither a direct variation nor an indirect variation.

3 0
2 years ago
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