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3 years ago

Which values are solutions to the inequailty below ? check all that apply x2 < 25

Mathematics

1 answer:

Musya8 [376]3 years ago

5 0

X2 < 25
x < /25 (square root 25)
x < + or - 5

Hope it helped!

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For funcitons f(x)=2x+3 and g(x)=-3x-2, please find (f∘g)(-1)

ratelena [41]

Answer:

$\displaystyle (f\circ g)(-1) = 5$

Step-by-step explanation:

We are given the two functions:
$\displaystyle f(x) = 2x + 3\text{ and } g(x) = -3x - 2$

And we want to find:
$\displaystyle (f\circ g)(-1)$

Recall that this is equivalent to:
$\displaystyle (f\circ g)(-1) = f(g(-1))$

Hence, find g(-1):
$\displaystyle \begin{aligned} g(x) & = -3x - 2\\ \\ g(-1) & = -3(-1) - 2\\ \\ & = (3) - 2 \\ \\ & = 1 \end{aligned}$

Substitute:
$\displaystyle f(g(-1)) = f(1)$

Find f(1):

$\displaystyle \begin{aligned} f(x) & = 2x+ 3 \\ \\ f(1) & = 2(1) + 3 \\ \\ & = 5\end{aligned}$

In conclusion:
$\displaystyle (f\circ g)(-1) = 5$

5 0

3 years ago

Solve the inequality 2(4x-3)>-3(3x)+5x

zheka24 [161]

8x-6>-9x+5x
8x-6>-4x
8x+4x>6

X>1/2

4 0

4 years ago

Does anyone know what 1-4/8-1/8 is

san4es73 [151]

Answer ⇒ $\frac{3}{8}$

Step-by-step explanation:

$1-\frac{4}{8} -\frac{1}{8}$

⇒ $1-\frac{1}{2} -\frac{1}{8}$

⇒ $\frac{1}{2} -\frac{1}{8}$

⇒ $\frac{4}{8} -\frac{1}{8}$

⇒ $\frac{3}{8}$

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2 years ago

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I will give brainliest answer

sineoko [7]

Answer:

≈ 93.06 cm²

Step-by-step explanation:

Subtract the area of the rectangle from the area of the circle

area of circle = πr² = π × 8² = 64π cm²

area of rectangle = 12 × 8 = 108 cm²

Thus

shaded area = 64π - 108 = 201.062 - 108 ≈ 93.05 cm² ( nearest hundredth )

7 0

3 years ago

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(8x – 12) – (-9x+6) = -80<br><br> What is x?

Bingel [31]

X meaning the letter X that’s how math works OR either X as for multiplication so it would be like -80x get it or no

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3 years ago

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