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grandymaker [24]
2 years ago
8

We cannot hear echo in a small room, why ?​

Mathematics
1 answer:
Digiron [165]2 years ago
3 0

Answer:

yyyjhjjhmhjmhd

Step-by-step explanation:

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Please help with number 33 and 34!
mariarad [96]
Problem 33

For each number, generate a factor tree. This is where you break a number down into smaller factors in a visual "tree" like style. The idea is to factor down to the prime factors and then you circle the common primes between each number. The values you circle are then multiplied if you circle more than one value in each tree. 

-------------------------------------------------------------------------------

Problem 34

Xiao factored correctly but didn't pull out the GCF. So he didn't factor fully. In the case of 60 and 90, the GCF is 30. This is the largest shared factor between the two values. So we can pull out 30 to get
60+90 = 30*2+30*3 = 30*(2+3)

I'm basically using the distributive property in reverse. You can distribute the 30 back in and get 60+90 again. Notice how the inner stuff 2 and 3 have no factors in common other than 1. 

7 0
3 years ago
Find x, use pic for more info
Bogdan [553]

Answer:

d

Step-by-step explanation:

6 0
3 years ago
HElPPPPP NEED QUiCk whats the answer for 2+2=____<br> a.5<br> b.7<br> c.4<br> d.3
Fed [463]

Answer:

oh so easy 4 my answer is so easy

3 0
3 years ago
Read 2 more answers
A=1/2h(B+b); A=45, B=4, b=5
klemol [59]
Answer: h=10

Solving Steps:
45 = 1/2h x (4+5)
45 = 1/2h x 9
45 = 9/2h
10 = h
h = 10
4 0
3 years ago
Which equation is true when n = 4?<br> A<br> 2n = 6<br> Bn+3 = 7<br> 9- n = 13
kari74 [83]

Answer:

The answer is B. n+3=7

Step-by-step explanation:

^^^^^^^

5 0
3 years ago
Read 2 more answers
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