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Marat540 [252]
3 years ago
15

Please help me :) please

Mathematics
1 answer:
dangina [55]3 years ago
8 0

Answer:

In bold.

Step-by-step explanation:

6/6 = 9/a

So a = 9.

6/c = a/4.5

6/c = 9/4.5 = 2

So c = 3.

By similar triangles:

d/5 = 6/ (6+6+3)

d/5 = 6/15 = 2/5

So d = 2.

Also by similar triangles

b/5 = 12/15 = 4/5

So b = 4.

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vOfficials at a major university wanted to know what percent of their students recycle paper. They conducted a random survey and
Svetllana [295]

Answer:

The probability is 0.95

Step-by-step explanation:

In this question, we are interested in calculating the probability that a randomly selected student of the university recycles at least some of the times

Mathematically, the probability that student recycles at least some of time = 1 - probability that the student never recycles all the time

From the question, the probability that the student never recycles all the time = 0.05

Substituting this into the equation given above;

Probability that a randomly selected student at the university recycles at least some of the time = 1-0.05 = 0.95

6 0
3 years ago
Solve the proportion<br> 4/k+3=8/14
MatroZZZ [7]
Cross multiply to get 8k+24=56 then solve for k so subtract 24 from each side to get 8k=32 so k=4
7 0
3 years ago
Read 2 more answers
Can someone please help? I am having trouble with this question. Thank you so much.
Nikitich [7]

Answer:

32  =  26

d 2 =  32

Step-by-step explanation: UMU

7 0
3 years ago
Solve for the variable: -4h + 2 = 18 <br> A. -4<br> B. -2<br> C. 1<br> D. 6
Anna [14]
You need to isolate the variable <em>h</em>. 

1) Subtract both sides by 2. 

-4h + 2 = 18
-4h + 2 - 2 = 18 - 2
-4h = 16

2) Divide both sides by -4 (the coefficient). 
(-4h) / -4 = 16 / -4
h = -4 
5 0
3 years ago
800,000,000,000 + 20,000,000,000 + 3,000,000,000 + 50,000,000 + 4,000,000 + 600,000 + 50,000 + 8,000 + 700 + 80 + 6
WITCHER [35]
823054658786 is the answer to your question
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