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3 years ago

5

James, Joseph and Gabriella work in a grocery store. James make seven dollars per hour. Joseph makes 20% more then James, and Ga

briella makes 5% less then Joseph. How much does Gabriela make per hour?

2 answers:

Inessa [10]3 years ago

8 0

Gabriela makes 7.98 dollars per hour.

jok3333 [9.3K]3 years ago

5 0

Gabriella makes 7.58 dollars per hour.

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Suppose speeds of vehicles traveling on a highway have an unknown distribution with mean 63 and standard deviation 4 miles per h

Mashutka [201]

Answer:

The standard deviation for the sample mean distribution=0.603

Step-by-step explanation:

We are given that

Mean, $\mu=63$

Standard deviation, $\sigma=4$

n=44

We have to find the standard deviation for the sample mean distribution using Central Limit Theorem for Means.

Standard deviation for the sample mean distribution

$\sigma_x=\frac{\sigma}{\sqrt{n}}$

Using the formula

$\sigma_x=\frac{4}{\sqrt{44}}$

$\sigma_x=\frac{4}{\sqrt{2\times 2\times 11}}$

$\sigma_x=\frac{4}{2\sqrt{11}}$

$\sigma_x=\frac{2}{\sqrt{11}}$

$\sigma_x=0.603$

Hence, the standard deviation for the sample mean distribution=0.603

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2 years ago

Two dice are rolled; the numbers add to 11.

Roman55 [17]

Answer:

5+6

7+4

8+3

9+2

10+1

11+0

Step-by-step explanation:

there are infinite possibiltiys

ex:

10.000000001+0.000000009

3 0

3 years ago

What is the greatest common factor for both terms: 24x + 8

Lyrx [107]

$24x=\boxed{2}\cdot\boxed{2}\cdot\boxed{2}\cdot3\cdot x\\\\8=\boxed{2}\cdot\boxed{2}\cdot\boxed{2}\\\\GCF(24x,\ 8)=\boxed{2}\cdot\boxed{2}\cdot\boxed{2}=8\\\\24x+8=8(3x+1)$

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3 years ago

a loaded truck is traveling 20 mph faster than a freight train. In the time it takes the train to travel 160 miles, the truck tr

almond37 [142]

Speed of trucks= x speed of trains =x-30 A loaded

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3 years ago

Greg budgeted carefully and by the time he turned 30 his retirement account balance was $22,000. If that amount grew at a rate o

Ratling [72]

Answer:

$618,253.61

Step-by-step explanation:

30 to 65 is 35 years

22000 × (1 + 10/100)³⁵

22000 × 1.1³⁵

618253.6107

6 0

3 years ago