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daser333 [38]
3 years ago
15

Please help with all 3 questions and show all work thank you.

Mathematics
2 answers:
Bumek [7]3 years ago
5 0
1. 8+8=16
15+15=30
30+16=46-perimeter
15*8=120-area
2.well the slope is 3/4 but i don't know the distance
3.y(13, -6)
Sergio039 [100]3 years ago
3 0
1) Area= 120in^2. 15*8=120in^2, Perimeter= 46 2*(15+8)=46

2) 7.8102= 7.8

3) Y endpoint = 5/2 i think
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Alex needs 2 meters of sprinkler pipe. He has a pipe that is 89 centimeters long. How much more sprinkler pipe does Alex need?
den301095 [7]

I believe that Alex will need about 3 left because 100 cm= 1 meter. He already has 89 cm of pipe and that means he need 11cm to make it a meter. He needs 111cm left in order to have 2 meters which I beleive is 3 pipes I guess.

I hope this helps. :)

3 0
3 years ago
The product of 3 and a number is 12 more than the sum of the number and 26. What is the number?
Karo-lina-s [1.5K]
The product of three and a number (3n) is 12 more than (=12 +) the sum of the number and 26 (n + 26). Put all of those together.

2n = 12 + n + 26     Combine like terms.  (12 + 26)
2n = 28 + n             Subtract to get the variables together. (2n - n)
n = 28


4 0
3 years ago
The answer is 1575 but I need to show my work! (find the total volume)
kirza4 [7]

Answer: 1575

Step-by-step explanation:

Volume of Pyramid: b*l*h/2 = 21*9*7/3 = 441

Volume of Rectangular prism = V= lwh = (21*12*9)/2 = 1134 (divide by two because it is half of a rectangular prism)

441 + 1134 = 1575

6 0
2 years ago
24 is 120% of what?, i need help so please tell ne the steps!?​
taurus [48]

Answer: it’s 20

We have, 120% × x = 24

or,

120/100 × x = 24

Multiplying both sides by 100 and dividing both sides by 120,

we have x = 24 × 100/120

x = 20

If you are using a calculator, simply enter 24×100÷120, which will give you the answer.

4 0
3 years ago
45 decreased by twice a number
kykrilka [37]

Answer:

22.5 i think should be your answer

4 0
2 years ago
Read 2 more answers
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