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ivolga24 [154]
2 years ago
14

Enter the value of 21 + (-3) - (-0.9). PLSS

Mathematics
1 answer:
fomenos2 years ago
8 0

Answer:

18.9

Step-by-step explanation:

21+(-3)-(-0.9) = 21-3+0.9 = 18+0.9 = 18.9

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A boy gets #2.00 per week as pocket money. His sister gets only #1.60 per week
Norma-Jean [14]

The Ratio of the boy's allowance to his sister's is 5 : 4.

The new Ratio is 1 : 10000.

<h3>What is definition of ratio?</h3>
  • The quotient of two mathematical expressions, 1a. b: the proportion between two or more items in terms of quantity, amount, or size.
  • What does the arithmetic term "ratio" mean?
  • An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value.
  • For instance, if there is 1 boy and 3 girls, you may express the ratio as 1: 3 (there are 3 girls for every boy), meaning that there are 1 in 4 boys and 3 in 4 girls.

To learn more about :Ratio

Ref : brainly.com/question/2328454

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6 0
1 year ago
What is the volume of the rectangular prism<br> A 11cm<br> B 24cm<br> C 30cm<br> D 36cm
sesenic [268]

Answer:

D, the volume of the rectangular prism is 36 cm

Step-by-step explanation:

2 x 3 x 6 = 36

7 0
3 years ago
Plz answer i suck at math :)
MatroZZZ [7]

Answer:

4.08

Step-by-step explanation:

26.08 +(-6)²*(3.4-8.9)÷9

parenthesis first

26.08+36*(-5.5)÷9

then multiplication

26.08-198÷9

division

26.08-22

addition or subtraction

4.08

7 0
3 years ago
Read 2 more answers
Circle the tens digit in each number 31, 94, 17,
Ludmilka [50]
You would circle the 3 in 31, the 9 in 94, and the 1 in 17
3 0
3 years ago
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Lee ran a mile in 7 1/3 minutes. His friend Sam ran the same mile in 8 5/9 minutes. How many minutes faster did Lee run? (First
Yakvenalex [24]
He ran the mile 1 and 3/9 minutes faster
8 0
3 years ago
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