3 years ago

[36 + (3 x 2)] ÷ 6 can any one tell me the ans

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

3 0

Answer:

6+x

Step-by-step explanation:

hope this helps

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Jerome is painting a rectangular toolbox that is 20 inches by 10 inches by 8 inches. A tube of paint covers 300 square inches. W

Valentin [98]

Answer:

880 in³

Step-by-step explanation:

L = 20, W = 10, H = 8

2(h × W) + 2(h × L) + 2(W × L)

= 2(8*10) + 2(8*20) + 2(10*20)

= 2(80) + 2(160) + 2(200)

= 160 + 320 + 400

= 880 in³

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3 years ago

Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile

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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

7 0

3 years ago

Given f(x) = ab-x + c. How would increasing the value of a change the graph?

alexgriva [62]

Answer: answer is c.

Step-by-step explanation:

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3 years ago

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Is 9.4 rational or irrational :p, please help

densk [106]

Answer:

i think its rational.

Step-by-step explanation:

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3 years ago

12x+15y=-45 put into slope-intercept form, simplify all fractions.

Karo-lina-s [1.5K]

Answer:

y = -4/5 x - 3

Step-by-step explanation:

15y = -45 - 12x

5y = -15 - 4x

y = -4/5 x - 3

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2 years ago