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Brums [2.3K]
3 years ago
14

Plz answer both and i need help

Mathematics
1 answer:
Whitepunk [10]3 years ago
6 0

Answer:

1 is commutative property

2 is associative property

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I need help with math please
Dennis_Churaev [7]

Answer:

47/30

Step-by-step explanation:

2.35 * 2/3 =

= 2 35/100 * 2/3

= 2 7/20 * 2/3

= 47/20 * 2/3

= 94/60

= 47/30

5 0
3 years ago
How much material is used
Neko [114]
This question is essentially asking you to find the surface area of the box.
The formula for SA on a rectangular prism is: 2(L*W+L*H+W*H)
L=Length W=Width H=Height

Lets input the information we know:
2(20*8+20*30+8*30)
Follow BEDMAS
2(160+600+240)
2(760+240)
2(1000)
2*1000
=2000

The box will need 2000 centimeters squared of material.

Hope this helps!
-Benjamin
5 0
4 years ago
Congruent triangle measures.​
Charra [1.4K]

Answer:

3x=4x-9(By CPCT)

x=9

Therefore,sides are27

5 0
3 years ago
A computer programmer earned $1043 a week last year. What was her yearly salary?
Arturiano [62]
1043
x 52
--------
2086
52150
----------
54236

He/She will earn $54,236 a year
5 0
4 years ago
· The angles of a pentagon are in the ratio<br>4:8 : 6 : 4 : 5. Find each angle of the<br>pentagon​
SVEN [57.7K]

Answer:

540 degrees in a pentagon

4 + 8 + 6 + 4 + 5 = 27

540/27 = 20

4 X 20 = 80 degrees

8 X 20 = 160 degrees

6 X 20 = 120 degrees

4 X 20 = 80 degrees

5 X 20 = 100 degrees

7 0
3 years ago
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