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Ghella [55]
2 years ago
11

What number multiples by itself 3 times gets you 30

Mathematics
1 answer:
sleet_krkn [62]2 years ago
3 0

Answer:

3.1072325059538586

Step-by-step explanation:

If you do 3.1072325059538586 x 3.1072325059538586 x 3.1072325059538586, you get 30.

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2x2-3x-2=x+4 select all the solutions
Papessa [141]
Solve for x over the real numbers:2 x^2 - 3 x - 2 = x + 4
Subtract x + 4 from both sides:2 x^2 - 4 x - 6 = 0
The left hand side factors into a product with three terms:2 (x - 3) (x + 1) = 0
Divide both sides by 2:(x - 3) (x + 1) = 0
Split into two equations:x - 3 = 0 or x + 1 = 0
Add 3 to both sides:x = 3 or x + 1 = 0
Subtract 1 from both sides:Answer:  x = 3 or x = -1
5 0
3 years ago
Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).
masya89 [10]

Answer:

40\pi \ m^{2}

Step-by-step explanation:

we know that

The area of a circle is equal to

A=\pi r^{2}

In this problem we have

r=10\ m

Substitute and find the area

A=\pi (10)^{2}=100 \pi\ m^{2}

Remember that

360\° subtends the area of complete circle

so

by proportion

Find the area of the shaded regions

The central angle of the shaded regions is equal to 2*72\°=144\°

\frac{100\pi }{360} \frac{m^{2}}{degrees} =\frac{x }{144} \frac{m^{2}}{degrees} \\ \\x=144*100\pi /360\\ \\ x=40\pi \ m^{2}

6 0
2 years ago
Pls someone help me with this question pls
ycow [4]

Answer:

9/11

Step-by-step explanation:

9/11

5 0
3 years ago
A bet offering 4:1 odds pays __________. A. $4 for each $1 bet B. $1 for each $4 bet C. $3 for each $1 bet D. $3 for each $1 bet
inysia [295]

Answer:

A) $4 for each $1 bet

Step-by-step explanation:

For example, 3:2 would be $3 for each $2 bet.

It's A!

6 0
2 years ago
Please help how to solve
tatiyna

Answer:

=  > in \: the \: bigger \: triangle \\ height = 14 \: ft \\ base = 22.5 \: ft \\  =  > in \: smaller \: triangle \\ height = x \: ft \\ base = 9 \: ft \\ using \: ratios \\  \frac{bigger \: height}{smaller \: height}  =  \frac{bigger \: base}{smaller \: base}  \\  \frac{14}{x}  =  \frac{22.5}{9}  \\  \frac{14}{x}  = 2.5 \\ x =  \frac{14}{2.5}  \\ x = 5.6 \: ft

7 0
2 years ago
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