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Juli2301 [7.4K]
3 years ago
14

Are 2/5 and 8/20 equivalent? Explain why or why not. (Ratios)​

Mathematics
1 answer:
notsponge [240]3 years ago
7 0

Answer:

yes, they are equivalent

Step-by-step explanation:

8/20 reduced to 2/5

2/5  = 2/5

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How many terms are in this equation <br> 8y-6y^2/7^3
vlada-n [284]

Answer:

2

Step-by-step explanation:

You count terms that are seperated by - and + signs. Any type of fraction is considered one term.

So you count 8y as one term and the rest is a whole fraction so you also count that as one term.

You add all the terms together and you have 2 terms in this equation.

Hope this helped :)

4 0
3 years ago
If the sum of Noor's age and Salma's age = 30, 3 years ago Noor's
Flura [38]

Answer:

Noor's age is 12 & Salma's age is 18

Step-by-step explanation:

Noor's age: N

Salma's age: S

N+S=30             : given

N - 3 = \frac{S}{2}               : given

N = \frac{S}{2}+3               : isolate "N"

\frac{S}{2}+3 + S = 30        : substitute the value of N for N to find the value of "S"

\frac{S}{2} + S = 27             : subtract 3 from both sides

\frac{S}{2}*2 + S*2 = 27*2   ≡   S + 2S = 54       : multiply both sides by 2

3S = 54  : add like values

\frac{3S}{3} = \frac{54}{3}   : divide both sides by 3

S = 18

now insert that value into the initial equation:

N + 18 = 30

N = 12  : subtract 18 from both sides

8 0
3 years ago
A recipe for a soup calls for 2/4 cup of chopped onion and 1/5 cup of chopped
Vikki [24]

Answer:

The total amount of celery and onion needed for the soup is 7/10 cup.

Step-by-step explanation:

2/4 + 1/5 = 7/10 cup.

hope it helped :)

mark me brainliest!

5 0
3 years ago
Read 2 more answers
A circle has a diameter of 100 cm. which of these is closest to its area? show or explain your reasoning.
Allisa [31]

Answer:

7,854 cm

Step-by-step explanation:

The area of a circle is given by πr², and the radius is the diameter/2:

100/2=50

π•50²=7,853.98≈7,854

6 0
3 years ago
Whats the square root of 25
liberstina [14]

the square root of 25 is 5 i hope this helped and enjoy your day!

3 0
3 years ago
Read 2 more answers
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