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lidiya [134]
3 years ago
8

MsDaily can grade 54 essays in 6 hours. Which of the following rates represent the number of essays per hour ms. Daley can grade

?
A-19 of an essay
B-one essay can be graded in 9 hours
C-it takes 9 hours per essay to grade
D- 9 essays can be graded per hour
Mathematics
2 answers:
natali 33 [55]3 years ago
6 0

Answer:

D- 9 essays can be graded per hour

Step-by-step explanation:

54 / 6= 9

marshall27 [118]3 years ago
4 0

Step-by-step explanation:

Rate = 54/6

= 9 essays per hour

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37% of what number is 99.9?
siniylev [52]

Answer:

270

Step-by-step explanation:

37 % of a number is the same as divide by 100 and multiply by 37. To get this number we do the opposite: divide 99.9 by 37 which gives us 27 and then multiply by 100 which will give us 270.

if we check this: 270 /100 *37 = 99,9

3 0
3 years ago
Which numbers are perfect squares? Check all that apply.
blagie [28]

Answer:

16, 100, 1,

Step-by-step explanation:

A perfect square is a number multiplied by itself to get that number. So 16 would be 4*4 and 100 would be 10*10, then 1 would just be 1*1

7 0
3 years ago
Read 2 more answers
What is differnce when there is parentheses around a number being squared?
Svetach [21]
When parentheses are around a number being squared, the output value will always be positive. 

For example: -2² vs (-2)²
-2² means the <em>negative of the square of two</em>, or -4
(-2)² means the <u /><em>square of negative two</em>, or 4

<em />
5 0
3 years ago
Help me I'm lost on this unit.​
Liula [17]

Answer:

remainder = 32

Step-by-step explanation:

Using synthetic division with divisor (x - 2) , that is h = 2

There is no x³ term so include zero as its coefficient in the table

2 | 3   0   - 3   2   - 8

    ↓    6   12   18    40

   ------------------------------

   3    6    9     20    32 ← remainder

   

   

6 0
3 years ago
Vernon tossed a coin 20 times. The results were 8 head s and 12 tails. What is the experimental probability of tossing heads?
solmaris [256]

Answer:

2/5

Step-by-step explanation:

The experimental probability is

P (heads) = number of heads/ total tosses

                = 8/20

                 = 2/5

8 0
3 years ago
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