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skad [1K]
3 years ago
9

On the first math exam, 16 students received an A grade. On the second math exam

Mathematics
1 answer:
Nady [450]3 years ago
6 0

Answer:

0 percent because all the students got an A grade.

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Which expression is NOT equivalent to the other three? A) −9 − 7n + 16n B) 9(n − 9) Eliminate C) n − 9 + 8n D) 9n − 9
yuradex [85]

Answer:

The expression is not equivalent to other three is 9(n-9) .

Option (B) is correct .

Step-by-step explanation:

Take first expression

= -9 -7n + 16n

= 9n-9

Take second expression

= 9(n-9)

= 9 × n - 9 × 9

= 9n - 81

Take third expression

= n-9+8n

= 9n-9

Take fourth expression

= 9n-9

Therefore expression is not equivalent to other three is 9(n-9) .

Option (B) is correct .

6 0
4 years ago
Read 2 more answers
ving as a relation, state the domain and range, then determine if it is a6.2X-2 0.-2Relation:DomainRangeFunction3 i
Travka [436]

The relation is the set of ordered pairs of point drawn in the graph

The points are:

(-2, 3), (0, 1), (2, -1), (3, -2)

So the relation is:

R = {(-2, 3), (0, 1), (2, -1), (3, -2)}

The domain is the values of x in the ordered pairs

x = -2, 0, 2, 3

The domain = {-2, 0, 2, 3}

The range is the values of y in the ordered pairs

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Arrange them in the set

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7 0
1 year ago
McPhee Company manufactures rugs in the cutting and assembly process. Rugs are manufactured in 70-rug batch sizes. The cutting t
Vsevolod [243]

Answer:38 min

Step-by-step explanation:

Given

Cutting time t_1=14 min

Assembly Line time t_2=24 min

t_3=18 to move a batch of rugs from cutting to assembly

Value-added refers to a process or phase in a system that turns raw materials or work in progress into much more desirable goods and services for downstream consumers.

thus value added time is t_1+t_2=14+24 =38 min                

3 0
3 years ago
What is the approximate solution of the linear system represented by the graph below?
Maslowich
I believe the answer is between C and D
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3 years ago
Katrina drinks 0.5 gallons of water per day. Which expression shows how to find the number of cups of water she
harkovskaia [24]

Answer:

 bro it does not make sence

Step-by-step explanation:

6 0
3 years ago
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