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2 years ago

(x/6)-10=2 please help me find x

Mathematics

1 answer:

Ymorist [56]2 years ago

8 0

Answer:

$x = 72$

Step-by-step explanation:

$( \frac{x}{6}) - 10 = 2 \\ ( \frac{x}{6} ) = 2 + 10 \\ \frac{x}{6} = 12 \\ x = 12 \times 6 \\ x = 72$

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A box contains 7 red balls and 2 blue balls. how many more blue balls do you need to add to the box to make the probobility of p

xenn [34]

Using the probability concept, the number of blue balls you need to add is:

D) 5.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

A probability of 0.5 is reached if the number of red balls is the same as the number of blue balls. Current the difference is of 7 - 2 = 5, hence 5 blue balls must be added.

More can be learned about probabilities at brainly.com/question/14398287

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5 0

2 years ago

Consider a paint-drying situation in which drying time for a test specimen is normally distributed with s = 6. The hypotheses H0

adell [148]

Answer:

There is no statistical evidence to support the claim that the mean is elss than 74.

Step-by-step explanation:

Given that a paint-drying situation in which drying time for a test specimen is normally distributed with s = 6.

The hypotheses H0: µ = 74 and Ha: µ < 74

are to be tested using a random sample of n = 25 observations

a) Z = $\frac{72.3-74}{\frac{6}{\sqrt{25} } } \\=-1.417$

ie. -1.417 std deviations to the left of mean.

b) p value = 0.078241

Since p > 0.01 , our alpha, accept H0

There is no statistical evidence to support the claim that the mean is elss than 74.

6 0

4 years ago

only answer this if you know the correct answer please answer all questions correctly please please please please please please,

Serhud [2]

Answer:

10. 6

11.c

6. 39

2. c=7p

7 0

3 years ago

Find the next two numbers in the pattern.<br><br> −12,60,−300,1500

Kay [80]

the pattern is

multiplied by -5

so...

1500 *-5 = -7500

-7500*-5 = 37500

hope this helps

5 0

3 years ago

Read 2 more answers

The sum of ages of two brothers A and B is 35 A is two thirds of B's age find their ages

Bingel [31]

Answer:

let the ages of the brothers be 2x and 3x

2x +3x=35

5x=35

x=35÷5

x=7

now,

A=2x=2×7=14

B=3x=3×7=21

this is the answer

5 0

3 years ago