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OLEGan [10]
2 years ago
11

Is 21 prime or composite

Mathematics
2 answers:
Evgen [1.6K]2 years ago
7 0

Answer: composite

Step-by-step explanation: :)

Rudiy272 years ago
3 0

Answer:

Im pretty sure 21 is composite

Step-by-step explanation:

Hope this helps and sorry if its incorrect

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Jill Hartman earns $750 per week, plus 3% of sales in excess of $6500. if Jill sells $25000 in the first week her earnings are ?
Nezavi [6.7K]
The answer is going to be: answer B.

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7 0
3 years ago
Read 2 more answers
A broken calculator can double any number or permute its digits (but 0 cannot go up front). Can we start with number 1 and obtai
stira [4]

Answer: it's impossible to obtain 78

Step-by-step explanation: Since the calculator can double any number or permute its digits except 0 

starting with number 1 

1, 2, 4, 8, 16, 32, 64, 128

Therefore, it's impossible to obtain 78 by a series of these operations

8 0
2 years ago
1) Which relation is a function?
jasenka [17]

Answer:

B

Step-by-step explanation:

x = y-4x^2 can be rearranged to get y = 4x^2 + x, which is a function

3 0
2 years ago
The temperature in the desert can
Tanya [424]

Answer:

There is an 144 degree difference.

Step-by-step explanation:

112=(-32)+x

solve like a regular equation which will give you 144

(add 32 to 112)

4 0
3 years ago
Which statement is true? The function is only increasing when x ≥ −8. The function is only increasing when x ≥ 0. The function i
Artist 52 [7]

Answer:

THE FUNCTION IS ALWAYS INCREASING.

Complete question: The graph of f(x)= power of 3√x + 8 is shown.

Step-by-step explanation:

See attachment for the missing graph.

when x = -16 ; y = -2

when x = -12 ; y = -1.5

when x = -8 ; y = 0

when x = -6 ; y = 1.25

when x = 0 ; y = 2

when x = 6 ; y = 2.5

As the value of x increases, so does the value of y. Thus, the function is always increasing. 

6 0
3 years ago
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