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julsineya [31]
3 years ago
5

A gear in a machine turns 2 1/2 times every hour.

Mathematics
1 answer:
givi [52]3 years ago
6 0
We can solve this by multiplying those two numbers but we place them in improper fraction.

2 1/2 x 2 1/4
becomes
5/2 x 9/4

for fraction multiplication, just multiply numerator by numerator and denominator by denominator

5/2 x 9/4 = 45/8

we can simplify this into mixed fraction while numbers in whole numbers and remainder in numerator

5 5/8 is the answer
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There are 12 pizzas on the table. Each pizza is cut into pieces. Each piece is
IRINA_888 [86]

Answer:

tgere would be 72 slices.

Step-by-step explanation:

12/1÷1/6

12/1×6/1

72/1

8 0
3 years ago
Jacob and Zachary go to the movie theater and purchase refreshments for their friends. Jacob spends a total of $18.25 on two bag
IceJOKER [234]

Answer:

one bag of popcorn costs - 5

Step-by-step explanation:

3 0
3 years ago
Which fraction is larger 7/16 or 51/100?
zaharov [31]
51/100 would be larger
From the first look, I already know half of 100 is fifty and 51 is greater than that
So when I looked at 7/16, I was looking for something greater than half, but 7 is greater than half of 16.
51/100 is your answer
5 0
3 years ago
Read 2 more answers
Answer ASAP for Brainliest!
I am Lyosha [343]

Answer:

Area: 28 cm^2 Perimeter=20 cm

Step-by-step explanation:

A= 1/2 x b x h

A= 1/2 x 8 x 7

A= 28cm^2

P=a + b + c

P = 6+8+6

P = 20 cm

8 0
3 years ago
HELP PLS A medical team has found that the blood concentration of a particular medicine has a decay rate of 40% in 24 hours. How
Natalija [7]

Answer: 360 mg of the medicine will be detected after 48 hours

Step-by-step explanation:

We would apply the formula for exponential decay which is expressed as

A = P(1 - r)^t

Where

P represents the initial dosage of the medicine.

A represents the final dosage of the medicine after t hours.

t represents the number of hours.

r represents the rate of decay

From the information given

P = 1000 mg

r = 40% = 40/100 = 0.4

The expression becomes

A = 1000(1 - 0.4)^t

A = 1000(0.6)^t

In 48 hours, t = 2

Therefore,

A = 1000(0.6)^2

A = 360

5 0
3 years ago
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