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nordsb [41]
3 years ago
11

Need help with 7 and 8

Mathematics
1 answer:
Lostsunrise [7]3 years ago
3 0

Answer:

Step-by-step explanation

7. Find the value of Y

3X+ (8Y-102)+(2Y+6)=360

3X+(8Y+2Y)-102+6=360

3X+10Y-96=360

3X+10Y=456

10Y=456-3X

Y=1/10(456-3X)

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shutvik [7]
I don’t understand apply to what?
5 0
3 years ago
I need help on how to simplify this problem.
guajiro [1.7K]
Simplify the radical by breaking the radicand up into a product of known factors
Exact Form:
2√10 + 5

Decimal Form:
11.32455532 . . .

Answer: 2√10 + 5

Hope this helps! :)
~Zain
6 0
3 years ago
What are the factors in the expression 4(5+x)
Daniel [21]
The factors are the parts that are being multiplied together.

4 and (5+x) are the two that are being multiplied and also the expression you get when you factor the distributed expression.

So the factors of 4(5+x) are:

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8 0
3 years ago
What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 18 cm?
Ira Lisetskai [31]
Part 1) <span>What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 18 cm?

we know that
[volume of a square pyramid]=(1/3)*b</span>²*h
where 
b is the length side of the square base-----> 18 cm (is equal to the length side of cube)
h is the height---------> 18 cm (is equal to the length side of cube)
[volume of a square pyramid]=(1/3)*18²*18----> 1944 cm³

the answer Part 1)  is
c. 1,944 cm³

Part 2) <span>Find the volume of the cylinder in terms of Pie. The diagrams are not drawn to scale.
</span>
volume of a cylinder=pi*r²*h
for r=2.2 m
h=12 m
volume of a cylinder=pi*2.2²*12-----> volume=58.08*pi m³

the answer Part 2) is 
58.08*pi m³

4 0
3 years ago
Help me out hereeeeeeeeeeeeeeeeeeee
Kobotan [32]

9514 1404 393

Answer:

  (d)  (8, 40)

Step-by-step explanation:

A pentagon has 5 sides. 8 of them will have 8×5 = 40 sides. The ordered pair representing (pentagons, sides) will be ...

  (8, 40) . . . . . matches the last choice

3 0
3 years ago
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