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34kurt
3 years ago
8

Solve for x Please I need help

Mathematics
1 answer:
Delvig [45]3 years ago
3 0

Answer:

x=25

Let's solve your equation step-by-step.

3x+18=93

Step 1: Subtract 18 from both sides.

3x+18−18=93−18

3x=75

Step 2: Divide both sides by 3.

3x/ 3 = 75/ 3

x=25

Answer:

x=25

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the temperature dropped 5 degrees in four hours

Step-by-step explanation:

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3 years ago
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Help!!!!! please!!!!!
defon

Answer:

The answer is option b.

<h2>144π</h2>

Step-by-step explanation:

Surface area of a sphere is 4πr²

where r is the radius

diameter = radius / 2

<h3><u>For Big </u><u>sph</u><u>ere</u></h3>

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Surface area = 4π(7.5)²

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<h3><u>Small </u><u>sph</u><u>ere</u></h3>

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Surface area = 4π(4.5)²

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Difference of the surface areas is

Surface area of big sphere - surface area of small sphere

Which is

225π - 81π

<h3>= 144π</h3>

Hope this helps you.

6 0
4 years ago
Need to be show how to solve step by step. And find a least common multiple
Firlakuza [10]
A cheap way to go about it is, use the LCD and multiply both sides by it.

now, notice the denominators, x, 4, 4x, clearly the LCD is 4x, so let's multiply both sides by that, to do away with the denominators,

\bf \cfrac{5}{x}+\cfrac{3}{4}=\cfrac{8}{4x}\implies \boxed{4x}\left(  \cfrac{5}{x}+\cfrac{3}{4} \right)=\boxed{4x}\cdot \cfrac{8}{4x}\implies 20+3x=8&#10;\\\\\\&#10;3x=-12\implies x=\cfrac{-12}{3}\implies x=-4
8 0
3 years ago
Find the value of the variable.
MatroZZZ [7]

Answer:

sin 30=14/x

x=14*2

x=28

and

x=√{28²-14²}

x=14√3

7 0
3 years ago
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