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suter [353]
3 years ago
5

Tracy ran 1,000 meters in 5 minutes. How many meters/minutes did she run?

Mathematics
1 answer:
lara31 [8.8K]3 years ago
3 0

Answer: If the question you are asking is how many meters Tracy ran per minute the answer would 200 meters per minute


Step-by-step explanation:

1) You would take 1,000 and divide it by 5

In order to check your work you can just multiply 200 by 5.

Hope this helped!

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The surface area of a rectangular prism that has height of 4 inches, width of 9 inches and length of 3 inches = ____________ in2
nevsk [136]

Answer:

150

Step-by-step explanation:

S.A.=2(wl+hl+hw)=

2((3x9)+(4x3)+(4x9))

2(27+12+36)

2(75)

150

8 0
2 years ago
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Almost all companies utilize some type of year-end performance review for their employees. Human Resource (HR) at a university's
balu736 [363]

Answer:

The Answer is 76.

Step-by-step explanation:

Given the normal distribution " 10% of employees (rated) exemplary, 20% distinguished, 40% competent, 20% marginal, and 10% unacceptable'',  we can see that exemplary employees are top 10% rated employees.

We have the formula for normal distribution:

z=(X-M)÷σ

where z is the <em>minimum z-score </em>for top 10% employee, X is the <em>minimum </em>score for top 10% employee, M is the <em>mean</em> of the score distribution, σ is the <em>standard deviation</em> of the score distribution.

The z-score we are looking for is the value "a" that separates the highest 10% from the lowest 90% i.e. P(z≤a)=0.90

If we look at z-table, corresponding value for a is 1.28155

We can now put the values in the formula:

1.28155=\frac{X-50}{20}

So X=(1.28155×20)+50=75.631

Therefore minimum score for exemplary employee is 76.

3 0
3 years ago
An open box with a square base is to be constructed from 84 square inches of material. The height of the box is 2 inches. What a
riadik2000 [5.3K]
Your surface area is: S=x^2+4xh=84 square inches and h=2 inches; so you get:
x^2+(4×2)x=84
x^2+8x-84=0 qhich is a quadratic equation. Using the quadratic formula you get two results for x:
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6 0
3 years ago
Please help I have school
iren2701 [21]

Answer:

77

Step-by-step explanation:

8 and 2/5 times 18 and 1/3 is 154. Divide 154 by 2 or multiply by 1/2 and get 77

4 0
3 years ago
Biologists discovered an invasive bird species on an island. The function fff models the population size (in hundreds of birds)
dmitriy555 [2]

Answer:

the y-intercept

Step-by-step explanation:

brainliest plz

6 0
2 years ago
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