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3 years ago

How many numbers are 10 units from 0 on the number line?

2 answers:

8 0

On a real number, the number 0 is at the middle of it. And from that point, you can go two ways, the negative direction or the positive direction. So, you can go 10 units to the left, which is the negative direction, or 10 units to the right, which is the positive direction.

So, there are 2 numbers that are 10 units away from 0.

agasfer [191]3 years ago

5 0

It would be 10 to the right when you add from 0

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Ten samples were taken from a plating bath used in an electronics manufacturing process, and the bath pH was determined. The sam

Korolek [52]

Answer:

There is no sufficient evidence to support the claim.

Step-by-step explanation:

Given the data:

7.91, 7.85, 6.82, 8.01, 7.46, 6.95, 7.05, 7.35, 7.25, 7.42

Sample size, n = 10

The sample mean, xbar = ΣX/ n = 74.07 / 10 = 7.407

The sample standard deviation, s = 0.41158 ( from calculator)

The hypothesis :

H0 : μ = 7

H0 : μ ≠ 7

The test statistic :

(xbar - μ) ÷ (s/√(n))

(7.047 - 7) ÷ (0.41158/√(10))

0.047 / 0.1301530

Test statistic = 0.361

Testing the hypothesis at α = 0.05

The Pvalue ;

df = n - 1 ; 10 - 1 = 9

Two tailed test

Pvalue(0.361, 9) = 0.7263

Since the Pvalue > α ; we fail to reject the Null and conclude that there isn't sufficient evidence to support the claim.

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3 years ago

A bicycle company has designed and built a new model of sports bicycle. They have determined that the profit for the sale of the

ycow [4]

The answer would be c)$120

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3 years ago

There was one half of a pizza left. It was divided equally amongst 3 kids. What fraction of the pizza did each kid get?

alukav5142 [94]

Answer:

one-sixth

multiply the numerator (2) by the number of kids (3) because you are accounting for the fraction of the whole pizza. By doing this you should get 3/6. divide the denominator by the number of kids (3/3) getting you to a value of 1, and replace the denominator, making the amount of pizza one-sixth.

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3 years ago

What expression is equivalent to 4x-5-6x+7?

lesantik [10]

Answer:

-2x + 2

Step-by-step explanation:

you didn't post choices but combining like terms you get

-2x + 2

4 0

3 years ago

Read 2 more answers

Calculate the rent of a decreasing annuity at 8% interest compounded quarterly with payments made every quarter-year for 7 years

Papessa [141]

The general Formula for a decreasing Annuity is:
$P = ( \frac{(1+i)^n -1}{i (1+i)^n}) R$
For this example we have:
P = 78,000
n = 7*4 = 28
i = 8%/4 = 2% = 0.02

After substituting you can find value for R, rent.

5 0

3 years ago