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sergiy2304 [10]
3 years ago
5

18 is what percent of 42?

Mathematics
2 answers:
Fittoniya [83]3 years ago
6 0

Answer:

42.86

Step-by-step explanation:

Maurinko [17]3 years ago
4 0

Answer:

42.86%

Step-by-step explanation:

First, we turn it into a fraction:

18/42

Simplify:

3/7 = 42.86 (rounded)

So 18 is 42.86% of 42

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Alex is 1.6 m tall and Noah is 1.5 times as tall as Alex. How much tall is Noah in centimeters?
Yanka [14]
D= difference in height

A= Alex's height (1.6m) N= Noah's height (1.5A)

Step 1:

D=N-A

substitute N= 1.5 A in for N

D= 1.5(1.6) - 1.6

D= 2.4 - 1.6

D= 0.8 m difference in height

Step 2:

Convert meters to centimeters 1 m = 100 centimeters

0.8 x 100-80cm

Noah is 80cm taller than Alex.

Hope this helps! :)
3 0
2 years ago
Select all that apply.
Kryger [21]

Answer:

Your answer would be

1 \times 3 = 3

And

3 \times 5 = 15

Step-by-step explanation:

Hope this helps. If I am wrong, REPORT ME PLEASE.

6 0
2 years ago
Using GCF and the distributive property, write two equivalent expressions for 30+45?
yaroslaw [1]
5x15, 3x25 because 30+45=75 and both 5x15 and 3x25 equal 75
6 0
3 years ago
L1 : (1, 14) and (1, 2) L2: (5, -2) and (4, 9) A. Parallel B. Neither C. Perpendicular
Masja [62]

answere is (c)perpendicular

8 0
3 years ago
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olga55 [171]

Answer:

7

Step-by-step explanation:

form a proportion

12/2=42/x

cross multiply

12x=84

x=7

6 0
3 years ago
Read 2 more answers
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