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Gwar [14]
3 years ago
15

The difference of the squares of twenty and thirteen

Mathematics
1 answer:
sineoko [7]3 years ago
5 0
20 squared = 400
13 squared = 169
 400
-139

(231)
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I need the work shown not just the answers please
Yuliya22 [10]
1.) To find the surface area, we want to find the area of each side, then add them all up together:
Area of base=lwA=(5)(5)A=25 cm²
Area of triangle=1/2bhA=(1/2)(5)(12.5)A=31.25 cm²
Since the 4 triangles have the same area, we can multiply the area we found by 4 and then add the area of the square:
SA=(4)(31.25) + 25SA=125+25SA=150 cm²

2.) <span>To find the volume use the formula: 

V=(1/3)lwh
V=(1/3)(5)(5)(12.5)
V=104.167 cm^3</span>
3 0
3 years ago
Please help me fill in the blanks :) marking most Brainly
Gala2k [10]

Answer:

For the part that contains organic matter your answer is, 35 negative result

For the part that does not contain organic matter your answer is, 60 positive result

Step-by-step explanation:

If we pay attention to the part that contains organic matter the total amount 700 and 665 is positive, so subtract them 700-665 to get 35 negative result

For the part that does not contain organic matter the total amount is 300, and 240 of it is negative, so subtract 240 from 300 to get 60 positive result

Your Welcome, Hope This Helps, And Have an Awesome Day!!!

6 0
3 years ago
The volume of the cube is equal to four times the area of one of its faces. What is the volume of the cube?.
kaheart [24]
Given:  V of cube = 4s^2, where s is the length of just one edge of the cube.
8 0
3 years ago
Read 2 more answers
If you know how to do this pls help thankyou!
dmitriy555 [2]

Answer : 49

I hope you understand sorry for the ugly writing

4 0
3 years ago
Please help me in solving this 4Log216 = 12x​
bezimeni [28]

Answer:

log(6) = x

Step-by-step explanation:

4log(216)=12x

Divide both sides by 12

log(216)/3 = x

Use properties of logs

log(216^(1/3)) = x

Simplify

log(6) = x

6 0
3 years ago
Read 2 more answers
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