Write six and seven hundred one-Thousands in standard form

1 answer:

8 0

Since r = h, we can substitute that into the equation
V = pi * r^2 * r = pi * r^3 

Since we know the volume, we can put that in too. 
64 pi = pi * r^3 now let's divide both sides by pi. 
64 pi/pi = pi * r^3/pi 
64 = r^3 
cuberoot(64) = r 
cuberoot (2^6 )=r 
4 = r

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2x2 + 2x-4?

nexus9112 [7]

Answer:

2x^2 +2x-4
——————
2x^2-4x+2

Factor out 2 from the expression

2(x^2+x-2)
—————-
2(x^2-2x+1)

Write x as a difference

2(x^2x-x-2)
—————-
2(x^2-2x+1)

Use a^2-2ab+b^2=(ab)^2

2(x^2x-x-2)
—————-
2(x-1)^2

Reduce the fraction with 2

x^2x-x-2
—————-
(x-1)^2

Factor out x from the expression

X*(x^2)-x-2
—————-
(x-1)^2

Factor out negative sign from the expression

X*(x+2)-(x-2)
—————-
(x-1)^2

Factor out x+2 from the expression

(x+2)(x-1)
—————-
(x-1)^2

Simplify the expression

x+2
——
x-1

6 0

3 years ago

The sum of the measures

marin [14]

Answer:

x = 44°

Step-by-step explanation:

The sum of the three angles is 180°.

So, x + x + 5 + 2x -1 = 180

4x + 4 = 180

4x = 176

x = 44°