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Margarita [4]
3 years ago
10

How do you solve algebraically 8x^2=18

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0
That would be
x =  + \frac{ \sqrt[]{3} }{ \sqrt[]{2} }
BTW the plus sign is supposed to have this sign underneath it _
Good luck.
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Can anyone tell me what is 2/5 x 3/2 ?
Mars2501 [29]

Answer:

6/10

Step-by-step explanation:

2 × 3 = 6

5 × 2 = 10

OR

6/10 = 3/5

4 0
2 years ago
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A solid lies between planes perpendicular to the​ x-axis at x = -2 and x = 2. The​ cross-sections perpendicular to the​ x-axis b
icang [17]

Answer:

V = 128π/3 vu

Step-by-step explanation:

we have that: f(x)₁ = √(4 - x²);  f(x)₂ = -√(4 - x²)

knowing that the volume of a solid is  V=πR²h, where R² (f(x)₁-f(x)₂) and h=dx, then

dV=π(√(4 - x²)+√(4 - x²))²dx;  =π(2√(4 - x²))²dx ⇒

dV= 4π(4-x²)dx , Integrating in both sides

∫dv=4π∫(4-x²)dx , we take ∫(4-x²)dx and we solve

4∫dx-∫x²dx = 4x-(x³/3) evaluated -2≤x≤2 or too 2 (0≤x≤2) , also

∫dv=8π∫(4-x²)dx evaluated 0≤x≤2

V=8π(4x-(x³/3)) = 8π(4.2-(2³/3)) = 8π(8-(8/3)) =(8π/3)(24-8) ⇒

V = 128π/3 vu

8 0
3 years ago
Triangle ABC was transformed to be triangle FED using
vampirchik [111]

Answer:

the triangle was rotated about 90 degrees i think

4 0
2 years ago
What type of measurement would you use to describe the amount of water a pot can hold​
notsponge [240]
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3 years ago
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Slope has x at the end and the intercept doesn’t.
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3 years ago
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