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Nezavi [6.7K]
3 years ago
9

What is this expression?

Mathematics
1 answer:
Liula [17]3 years ago
4 0

Answer:

2) 4/3

Step-by-step explanation:

(4^-3 * 3^4 * 4^2)/(3^5 * 4^-2)

4^-3 * 3^4 * 4^2 = 4^-1 * 3^4

(4^-1 * 3^4)/(4^-2 * 3^5)

(3^4)/(3^5) = 1/(3^5-4)

(4^(-1))/(4^-2 * 3^(5-4)

(4^-1)/(4^-2 * 3)

4^(-1 - (-2)) / (3)

-1 - (-2) = 1

4/3

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5th grade pls help
tigry1 [53]
Answer: 2 and 4

Explaination: 4/7*6=24/7
6/7*4=24/7
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6 0
3 years ago
What is 7/16+ X equals 5 1/4
Phoenix [80]

change it to 5 4/16 then change it to 20/16 then subtract 7 and 13/16 so 5 13/16

8 0
3 years ago
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Martin can run 3 ¾ miles in 2/3 of an hour. Write a unit rate to describe the situation and explain the context.
BigorU [14]

Answer:

5 5/8 miles per hour

Step-by-step explanation:

Martin can run 3 ¾ miles in 2/3 of an hour. Write a unit rate to describe the situation and explain the context.

We are asked to write the unit rate , this means we are to find out how many miles he can run per hour

Hence,

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Cross Multiply

2/3 hour × x = 3 3/4 miles × 1 hour

x = 3 3/4 miles × 1 hour/ 2/3 hour

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x = 15/4 × 3/2

x = 45/8

x = 5 5/8 miles per hour

4 0
3 years ago
The sum of twice a number and 15
lana [24]

Answer:

2x+15

Step-by-step explanation:

because this is easy

8 0
3 years ago
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Brandon and his friend combined their allowance of $900 each, so they could buy a movie a 2-for-1 movie ticket for $1200. They b
inysia [295]

Answer:

1.5 bags

Step-by-step explanation:


They each had 900 dollars, so when combined they have 1800 dollars. They bought a movie ticket for 1200 dollars, so they now have 1800-1200=600 dollars.

600/2 is 300. Each bag of popcorn costs 200 dollars. So they could each buy 1.5 bags of popcorn.

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