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3 years ago

Evaluate the expression Z/8, or z 8 for each of the following values for Z:

Mathematics

1 answer:

denis23 [38]3 years ago

3 0

Answer:

1.275

11.5

2.002

0.68

Step-by-step explanation:

Evaluate Z/8 for each :

Z = 10.2 ; 10.2 / 8 = 1.275

Z = 92 ; 92/ 8 = 11.5

Z = 16.016 ; 16.016 / 8 = 2.002

Z = 5 4/9 ; (49 /9) ÷ 8 = 0.68

Evaluate each expression below if m = 32 and n = 150

m/16 ; 32 / 16 = 2

2N - 200 ; 2(150) - 300 = 300 - 300 = 0

3/4M -12 ; 3/4(32) - 12 = 24 - 12 = 12

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Step-by-step explanation:

there’s no other clues to what it could be, and since it’s x it would be X°

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3 years ago

What is 7.5% of $650

Serggg [28]

Type $650 times 7.5% into your calculator. this should give you your answer
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Hope this helps!

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3 years ago

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Step-by-step explanation:

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3 years ago

The circumference of a circle is 157 centimeters. What is the area of the circle in terms

DENIUS [597]

Answer:

The area of the circle is 56.25π cm²

Step-by-step explanation:

The formula of the circumference of a circle is C = 2πr, where r is the radius of the circle
The formula of the area of a circle with radius r is A = πr²

To find the area of the circle use the formula of the circumference to find its radius and then use the formula of the area to find its area

∵ The circumference of a circle is 15π centimeters

∵ C = 2πr

- Equate 2πr by 15π

∴ 2πr = 15π

- Divide both sides by π

∴ 2 r = 15

- Divide both sides by 2

∴ r = 7.5 centimeters

Now let us use the rule of the area to find it

∵ A = πr²

∴ A = π(7.5)²

∴ A = 56.25π centimeters²

The area of the circle is 56.25π cm²

7 0

3 years ago

Samuel is a teacher and takes home 75 papers to grade over the weekend. He can grade at a rate of 7 papers per hour. How many pa

Alina [70]

Answer: 19

Step-by-step explanation:

75 papers need to be marked

He grades 7 papers per hour

To find out how many paper he graded in 8 hours:

7 x 8

(7 is the number of papers graded in an hour)

(8 is the number of hours)

7 x 8 = 56

(56 is the number of papers he graded in 8 hours)

Now, there was a total of 75.

To find the remaining number of test sheets:

75 - 56

(75 is the total number of papers)

(56 is the number of papers graded)

75 - 56 = 19

Therefore, there are 19 papers remaining to grade.

7 0

3 years ago