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Pavel [41]
3 years ago
7

Find the simplest expression for the perimeter of the triangular roof truss.

Mathematics
1 answer:
REY [17]3 years ago
6 0
Perimeter of triangle = all sides added up
3a + 4 + 2a - 7 + 9a + 11

now add like terms
3a + 2a + 9a = 5a + 9a = 14a

4 - 7 + 11
= -3 + 11 = 8

so we have  14a + 8
as our simplest expression
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Yesterday your bus ride to school took 10 minutes. Today your bus ride took 12 minutes. What is the percent of change?
Readme [11.4K]
The percent of increase from 10 to 12 is 20 %. 10 x 1.2 = 12.

Hope This Helps You!
<span>Good Luck Studying :)</span>
5 0
3 years ago
Read 2 more answers
Whats the answer to this question
Liono4ka [1.6K]

Answer:

I believe it would be B.

Step-by-step explanation:

Range: area of variation with real numbers

Also, seeing the quadrant it is in means there are negative numbers. This takes out the possibility of option A.

4 0
3 years ago
Multiply.<br><br> (−2.04)(4.3)<br><br> PLEASE HURRY
Valentin [98]

Answer:

The answer is -8.772

Step-by-step explanation:

3 0
3 years ago
My daughter needs help and I don't understand the question ethier.
WINSTONCH [101]

So firstly, let's figure out the expression for a singular goody bag. Since there's 2 of each item, a single goody bag is going to be (1.07*2+0.85*2+2.12*2)

Now since we have 7 friends who are all getting 1 goody bag, multiply the cost of the goody bag by 7, and our expression is 7(1.07*2+0.85*2+2.12*2) . Now we can solve it from there.

Firstly, solve the multiplication inside the parentheses: 7(2.14+1.7+4.24)

Now add up what's inside the parentheses: 7(8.08)

Lastly, multiply and <u>your answer will be $56.56</u>

3 0
3 years ago
Please help i can not figure it out
Alisiya [41]
To solve this problem you need to figure out the volume of the sipping container, and the volume of the tissue box. 
39*19.5*19.5=14,829.75
6.5*6.5*6.5=274.63

In order to figure out how many fits you need to divide
14,829.75/274.63=53.99

The maximum number that you can fit is the box is 53.

Hope this helps
4 0
3 years ago
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