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mihalych1998 [28]
2 years ago
7

What is the perimeter and how do i find it?

Mathematics
2 answers:
murzikaleks [220]2 years ago
5 0

Add up all the sides of the rectangle

Musya8 [376]2 years ago
5 0

Answer:

7x+2y-3

Step-by-step explanation:

Combine like terms

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How do I factor this problem
Keith_Richards [23]

Answer:

−(3x−2)(7x+4)

Step-by-step explanation:

4 0
3 years ago
How do find volume of the triangular pyramid, I’m so confused I need the formula as well ASAP,!!,, please thanks so much
lidiya [134]

Answer:

5100

Step-by-step explanation:

20 x 17 x 15 = 5100. hope this helps you!!!

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6 0
2 years ago
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I need<br> Help on this one
elixir [45]
The answer is
X=7
Have a nice day <3
5 0
2 years ago
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A poll agency reports that 75% of teenagers aged 12-17 own smartphones. A random sample of 234 teenagers is drawn. Round your an
GalinKa [24]

Answer:

If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

X \sim Binom(n=234, p=0.75)

And the mean for this case would be:

E(X) =np = 234*0.75= 175.5

And the standard deviation would be given by:

\sigma =\sqrt{np(1-p)}= \sqrt{234*0.75*(1-0.75)}= 6.624

Step-by-step explanation:

If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

X \sim Binom(n=234, p=0.75)

And the mean for this case would be:

E(X) =np = 234*0.75= 175.5

And the standard deviation would be given by:

\sigma =\sqrt{np(1-p)}= \sqrt{234*0.75*(1-0.75)}= 6.624

3 0
3 years ago
What is the quotient of 1,387÷19?
Rus_ich [418]
73

73 * 19 = 1,387

Hope I helped you!
3 0
2 years ago
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