3 years ago

What would seven less than the quotient of x and 9 in a an expression?

1 answer:

3 0

Required expression is x/9 - 7

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qaws [65]

Answer:

30 degrees

Step-by-step explanation:

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3 years ago

natita [175]

4,300 is 4.3×
${10}^{3}$

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4 years ago

Llana [10]

Answer: 37

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.98=0.02$

Critical value : $z_{\alpha/2}=z_{0.01}=2.33$

margin of error : E= 1 mile per gallon

Population standard deviation: $\sigma=2.6$ miles per gallon.

We know that when the population standard deviation is known then the formula to find the sample size is given by :

$n=(\dfrac{z_{\alpha/2}\times \sigma}{E})^2$

$n=(\dfrac{(2.33)\times 2.6}{1})^2=36.699364\approx37$ [Round to the next whole number.]

Hence, the required number of automobiles should be used in the test = 37

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3 years ago

Vladimir [108]

Answer:

<h3>Area of a circle= πr²</h3><h2>50.24 = 3.14 *r²</h2><h2>r²= 50.24/3.14</h2><h2>r² =16</h2><h2>r= √16</h2><h2>r = 4</h2>

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3 years ago

LenaWriter [7]

Answer:

2159.74

Step-by-step explanation:

you times 456 by 4 then you times that answer by the 1742%

4 0

3 years ago