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zepelin [54]
3 years ago
12

Broooo plzzz helpppp

Mathematics
1 answer:
Sindrei [870]3 years ago
5 0

Answer:

3 3/5 + 1 1/4 = <u>4 17/20</u>

7/8 + 1/12 =<u> 23/24</u>

8/9 - 2/5 = <u>22/45</u>

5 1/4 - 2 2/3 = <u>2 7/12</u>

Step-by-step explanation:

3 3/5 + 1 1/4

First convert into improper fractions

= 18/5 + 5/4

Now find the common denominator

72/20 + 25/20 =

97/20

Now simplify

4 17/20

<u>Next problem:</u>

7/8 + 1/12

find the common denominator

21/24 + 2/24 =

23/24

<u>Next problem:</u>

8/9 - 2/5

find the common denominator

40/45 - 18/45 =

22/45

<u>Next problem:</u>

5 1/4 - 2 2/3

First convert into improper fractions

21/4 - 8/3

find the common denominator

63/12 - 32/12 =

31/12

Now simplify

2 7/12

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Which matrix represents the system of equations shown?
kicyunya [14]

Answer:

b.

by relation

\binom{3x \:  \:  - 2y \:  \: 12}{4x \:  \: \:  \:   - y \:  \:  \:  \:  \: 9}  \\  eliminate \: the \: unknowns \: (x \: and \: y) \\  \binom{3 \:  \:  - 2 \:  \:   12}{4 \:  \: \:  \:   - 1 \:  \:  \:  \:  \: 9}

3 0
3 years ago
On average, Shawnte drinks of a 6-ounce glass of water in
Gnesinka [82]

Answer:

3/4 of a 6-ounce glass will be drunk by her in one hour.

Step-by-step explanation:

Given time = 2/3 of hour

                  = 2/3 (60)       As hour = 60 mins

                  = 120/3

                   = 40 mins

Given quantity of water = 1/2 of 6-ounce

                                      = 3 ounce

So,

  In 40 mins, water intake is 3 ounce

  In 1 min, water intake is 3/40

  In 60 mins, water in take is (3/40)*60 = 4.5 ounce

Quantity of water intake in 60 mins:

       4.5 ounce or 3/4 of 6-ounce glass

I hope it will help you.

8 0
3 years ago
A pyramid has a base area of 60.5 cm^2 and a height of 12 cm what is the volume of the pyramid
Elena L [17]

Answer:

242 cm^3

Step-by-step explanation:

Volume of a pyramid = 1/3 * area of base * height

= 1/3 *  60.5 * 12

= 242 cm^3

7 0
3 years ago
Sarah is going to New York for spring break with her friends they have $130 to spend on going to the baseball game the tickets c
anyanavicka [17]
They can buy 4 tickets, with a little bit left over. 
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3 years ago
Read 2 more answers
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Answer:

Step-by-step explanation:

A = πr2

Solve for r and get

r = √(A/π)

7 0
3 years ago
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