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3 years ago

Solve the equation for the given variable x/4=6/8

Mathematics

2 answers:

posledela3 years ago

6 0

Answer:

x = 3

Step-by-step explanation:

This process is called cross multiplication.

Multiply 6 · 4 = 24

Divide 24 ÷ 8 = 3

x = 3

JulsSmile [24]3 years ago

3 0

Answer:

x = 3

Step-by-step explanation:

x/4 = 6/8

Using cross products

x*8 = 4*6

8x = 24

Divide by 8

8x/8 = 24/8

x = 3

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A jar contains 3 pennies, 5 nickels, 4 dimes, and 6 quarters. of a coin is selected at random, what is the probability of select

Artemon [7]

Hey there! :)

There are 3 pennies
There is a total of 18 coins; 3 + 5 + 4 + 6 = 18

3 ÷ 18 = 0.16666666667 = 0.17

Your answer is 1/6 or 0.17

Hope this helps :)

3 0

3 years ago

What is numbers line x<8

drek231 [11]

Answer:

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Step-by-step explanation:

x<------------------------------------->infinity

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3 years ago

Which is greater than 4.026?

schepotkina [342]

Answer:

4.020

4.030

4.021

4.006

Step-by-step explanation:

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3 years ago

A sample of 15 commuters in Chicago showed the average of the commuting times was 33.2 minutes. If s = 8.3 minutes, find the 95%

OleMash [197]

Answer:

The 95% confidence interval of the true mean.

(29.4261 ,36.9739)

Step-by-step explanation:

Step :- (i)

Given sample size 'n' =15

sample of the mean x⁻ = 33.2

The standard deviation of the sample 'S' = 8.3

95% of confidence intervals

$(x^{-} - t_{\alpha } \frac{S}{\sqrt{n} } ,x^{-} + t_{\alpha }\frac{S}{\sqrt{n} } )$

Step:-(ii)

The degrees of freedom γ=n-1 = 15-1=14

The tabulated value t = 1.761 at 0.05 level of significance.

now substitute all possible values, we get

$(33.2 - 1.761\frac{8.3}{\sqrt{15} } ,33.2+ 1.761\frac{8}{\sqrt{15} } )$

After calculation , we get

(33.2-3.7739 , 33.2+3.7739

(29.4261 ,36.9739)

Conclusion:-

the 95% confidence interval of the true mean.

(29.4261 ,36.9739)

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3 years ago

Danielle found an outfit she liked at two different stores. Store 1 marked the outfit down by 15%. They then marked down the red

guajiro [1.7K]

Answer: Store 2

Step-by-step explanation: sorry I don’t know how to explain.

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3 years ago