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2 years ago

What’s the volume of the sphere

Mathematics

1 answer:

vodka [1.7K]2 years ago

3 0

Answer:

$\pi$ ( $r^{2}$ h)

Step-by-step explanation:

r = radius

h = height

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Solve the equation. 6x=2x^2+1

7nadin3 [17]

6x = 2x^2 + 1
2x^2 - 6x + 1 = 0
$x= \frac{-(-6) \pm \sqrt{(-6)^2-(4 \times 2 \times 1)}}{2 \times 2}\\=\frac{6\pm\sqrt{36-8}}{4}\\=\frac{6\pm\sqrt{28}}{4}\\=\frac{6\pm2\sqrt{7}}{4}\\=\frac{3\pm\sqrt{7}}{2}\\=\frac{3+\sqrt{7}}{2}\,or\,\frac{3-\sqrt{7}}{2}$

7 0

3 years ago

If f(x)=-5 find the value of x

Greeley [361]

f(x) is a fancy way to say y

The equation says y=05, so x is ungiven based on what you have given us. Please check if there was more information written as usually its written as

Example: f(x)=3x+5

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2 years ago

L really need help plz i will mark brainliest plz help

Ipatiy [6.2K]

$\\ \sf\longmapsto x+5+x-5=80$

$\\ \sf\longmapsto 2x=80$

$\\ \sf\longmapsto x=40$

Angles are

180-80=100°
x+5=40+5=45°
x-5=40-5=35°

No sean was wrong

5 0

3 years ago

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Use the distributive property to rewrite the following expression.

Gekata [30.6K]

Answer: 2n-8

Explanation: 2(n-6)+4 you bring 2 into the parentheses so 2 x n is just 2n
then 2 x -6 = -12
New equation 2n-12 +4
Now you combine-12 and 4 which is -8
Finale equation: 2n-8

7 0

3 years ago

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Need help so much help thanks for helping

Sphinxa [80]

You are so scary dude

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3 years ago