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jolli1 [7]
4 years ago
10

Plz answer these The problem are in the pictures below

Mathematics
1 answer:
ikadub [295]4 years ago
7 0
For the second one is $19 im still figuring out the first one 
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A circle has an area of 50 square meters. Which answer is closest to the measure of its diameter?
gregori [183]
Area of a circle is computed by multiplying pi to the square of the circle's radius.

A = πr²
50m² = 3.14 r²
50m²/3.14 = r²
r² = 15.92m²
r = √15.92m²
r = 3.99m

Diameter is computed by multiplying the radius twice.
d = 2r
d = 2(3.99m)
d = 7.98m or rounded up to 8 m
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3 years ago
Write the expression of -2 and -18
iris [78.8K]
The expression is simply -2-18. When you have an expression like this, just put the together and the put a box around the first number don't forget the sign, and then the next put one around the sign and the number. If this doesn't make any since, sorry we just started this unit
8 0
3 years ago
Simplify to create an equivalent expression. \qquad{8-4(-x+5)}8−4(−x+5)
Mumz [18]

\text{Simplify expression:}\\\\8-4(-x+5)\\\\\text{Use the distributive property}\\\\8+4x-20\\\\\text{Combine like terms}\\\\\boxed{4x-12}

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3 years ago
Does anyone do pltw?
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6 0
4 years ago
Read 2 more answers
Find P(3) when µ = 4<br><br>there wasn't any prior information.<br><br>It was added
blagie [28]
<h3>Answer:  P(3) = 0.20</h3>

====================================================

Explanation:

The Poisson PDF value is given by the function

P(x) = ( e^(-mu)*mu^x )/(x!)

where the exclamation mark indicates a factorial

In this case, mu = 4, so we can update the equation into

P(x) = ( e^(-4)*4^x )/(x!)

Now plug in x = 3 to finish off the problem

P(x) = ( e^(-4)*4^x )/(x!)

P(3) = ( e^(-4)*4^3 )/(3!)

P(3) = 0.1953668148129

P(3) = 0.20

Note: The 'e' is a special constant which is approximately e = 2.718, similar to how pi = 3.14 is a constant used often.

6 0
3 years ago
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