3 years ago

I am in need of help.

Mathematics

1 answer:

lions [1.4K]3 years ago

7 0

Answer:

0/33

Step-by-step explanation:

There are 12 people who play tennis, but all of those 12 people also play football, so nobody only plays tennis.

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Suppose the radius of a circle is 2. What is its area?

Mila [183]

The area would be 12.57
Hope that helps you! :)

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3 years ago

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Which is an equation of the line that passes through the points (-1,9) and (4, 24)?

choli [55]

Answer:

y = 3x + 12

Step-by-step explanation:

Slope (m) = 24-9/4-(-1)

= 25/5

= 3

Using point (-1 , 9)

y - y1 = m (x - x1)

y - 9 = 3 (x - -1)

y - 9 = 3 (x + 1)

y - 9 = 3x + 3

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3 years ago

(f(x) = 0.5x2 - 2) + (g(x) = 8x3 + 2)

galina1969 [7]

Answer:

Final answer is $f(x)+g(x)=0.5x^2+8x^3$

Step-by-step explanation:

Given functions are $f\left(x\right)=0.5x^2-2$ and $g(x)=8x^3+2$

Now we need to add both functions:

$f(x)+g(x)$

$=(0.5x^2-2)+(8x^3+2)$

$=0.5x^2-2+8x^3+2$

$=0.5x^2+8x^3-2+2$

combine like terms -2 and +2

$=0.5x^2+8x^3$

Hence final answer is $f(x)+g(x)=0.5x^2+8x^3$

8 0

3 years ago

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What is8 × 1 + 3 × 0.1 + 9 × 0.01 in standard form

Serhud [2]

Answer:

8.39 * 10^0, I think this is right

Step-by-step explanation:

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3 years ago

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I am in need of help.​

I am in need of help.