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kykrilka [37]
3 years ago
12

Scores on a history test have average of 80 with standard deviation of 6. What is the z-score for a student who earned a 74 on t

he test? Round your answer to the nearest thousandth.
Mathematics
1 answer:
Olegator [25]3 years ago
5 0

Answer:

12

Step-by-step explanation:

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In which number is the value of the seven equal
kozerog [31]

Answer:

It would be C, 64.387

Step-by-step explanation:

First, you have to solve 7x1/1000. This equal to 7/1000 which should be converted into decimal form (since all the answers are in decimal form). 7/1000 is 0.007 in decimal form.

It is 0.007 since in 7/1000, the denominator is 1000, making 7 in the thousandths place (the 3rd digit to the right of the decimal point).

The only number that contains 0.007 is the 3rd one, making it your answer.

5 0
3 years ago
1) A basketball player scores 10 points per game. write and algebraic expression to show how many points she might score in "n"
Natali [406]
1) 10n
10 points per game, times however many games she plays.

2) x-15=19
x=34 (b)
x=15+19
6 0
3 years ago
Read 2 more answers
PLZzzz helllpppp!!!
Mumz [18]

Answer:

144 miles

Step-by-step explanation:

7 0
2 years ago
Simplify 3x + 2y + y + 4x.
Anika [276]
Add like variables together

3x + 4x + 2y + y

7x + 3y

7x + 3y is your answer

hope this helps
6 0
3 years ago
What is the surface area of a box that is 20.1 m long, 6.8 m wide and 7.4 m high?
blsea [12.9K]

Answer:

Surface area of the box is =671.48m^2

Step-by-step explanation:

The box is in the shape of a cuboid:

Surface area of the cuboid = 2(L*W+W*H+H*L)

Length(L)=20.1 m

Width(W)=6.8 m

Height(H)=7.4 m

Surface area:

                 2((20.1*6.8)+(6.8*7.4)+(7.4*20.1))\\\\=2(136.68+50.32+148.74)\\\\=2(335.74)\\\\\=671.48m^2\\\\

The surface area of the box is =671.48m^2

6 0
4 years ago
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