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melisa1 [442]
3 years ago
14

Can someone please help me it’s urgent

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

8.5 in

Step-by-step explanation:

You are solving for the hypotenuse right? So you would use this formula:

c = square root a^2+b^2

the c is the hypotenuse (long side of a right triangle) and a will be 4 and b will be 7.5. substitute the numbers in, solve, and you get 8.5 inches!

x = square root 4^2 + 7.5^2

x = square root 16 + 56.25

x = square root 72.25

x = 8.5 inches

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A. 18 is 20 percent of what number? B. 15 is 25 percent of what number? C. 12 is 30 percent of what number? D. 24 is 40 percent
Kisachek [45]

A. 18 is 20% of 90

B. 15 is 25% of 60

C. 12 is 30% of 40

D.  24 is 40% of 60

E. 39 is 60% of 65

F. 78 is 30% of 234

(Sorry I have to go, but hopefully I helped you)

8 0
3 years ago
If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram, the amount left after 5 yea
Inga [223]

Answer:

30 grams

Step-by-step explanation:

50-42=8

8÷2=4

4=1 year

5×4=20

50-20=30

Hope u can understant

3 0
2 years ago
ABC is similar to APQ. Find x and y.
slavikrds [6]

Answer:

x = 10.8

y = 11.2

Step-by-step explanation:

AB : AP = AC : AQ

5 :(5+9) = 6 : (6+x)

5: 14 = 6 :(6+x)

5(6+x) = 14*6

30 + 5x = 84

5x = 54

x = 10.8

AB : AP = BC :PQ

5 :14 = 4 : y

5y = 14*4

y = 11.2

5 0
3 years ago
Please help me! It's due today at 8:30!!!
klemol [59]

Answer:

137.842

Step-by-step explanation: hope this helps :) can I please get a brain list :)

5 0
2 years ago
Read 2 more answers
15*PLEASE PLEASE PLEASE ANSWER VERY FAST AND CORRECT TYSM!
lapo4ka [179]

-2/15=13/15

Step-by-step explanation:

2/3-4/5=13/15

2/15=13/15

4 0
3 years ago
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