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liberstina [14]
3 years ago
11

Complete each proof. Remember to mark the diagram as you go. You may not need all the rows.

Mathematics
1 answer:
Illusion [34]3 years ago
6 0

Answer:

did u ever get hte answers for this ?

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Juan and Nina are in the Junior High Orchestra. As part of the orchestra they each have to learn two instruments. Juan is learni
Whitepunk [10]

Answer:

Nina practiced the viola for 11.25 hours last week.

Step-by-step explanation:

Juan practiced the violin for 9 hours last week. For each 3 hours that he practices the violin, he practices 2.5 hours of cello. So

3h violin - 2.5h cello

9h violin - xh cello

3x = 9*2.5

x = 7.5

He practiced 7.5 hours of cello, the same as Nina.

For every 3 hours Nina spends practicing the viola she practices the cello for 2 hours. So:

3h viola - 2h cello

xh viola - 7.5h cello

2x = 3*7.5

x = 7.5*1.5

x = 11.25

Nina practiced the viola for 11.25 hours last week.

3 0
3 years ago
PLEASE HELP
Dmitry_Shevchenko [17]

Answer:

2.5 betul tak........

Step-by-step explanation:

i/o

8 0
3 years ago
What is the principal, if the interest earned is $22, the simple annual interest rate is 2%, and the time is one year?
seropon [69]

Answer:

$1,100

Step-by-step explanation:

first find the principal first Multiply the rate 0.02 by the time 1 year this gives us 0.02 then divide the interest ($22) by 0.02 then you get $1,100.

Hope that helped!

4 0
2 years ago
Find the solution to the following system using substitution or elimination:
Licemer1 [7]

Answer:x=1

Step-by-step explanation:

y=y

y = -x + 10

y = 7x + 2

-x+10=7x+2

10=8x+2

8=8x

x=1

3 0
3 years ago
Can some one help me pls
Norma-Jean [14]
E. 5/15 since you multiply the numerator and denominator by 5.

D. 2/3 since you divide the numerator and denominator by 3.

W. 15/24 since you multiply the numerator and denominator by 3.

J. 4/5 since you divide the numerator and denominator by 5.

C. 48/54 since you multiply the numerator and denominator by 6.

G. 24/21 since you multiply the numerator and denominator by 3.

T. 27/36 since you multiply the numerator and denominator 3.
3 0
3 years ago
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