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2 years ago

What is the measure of R? A. 32 B. 40° C. Cannot be determined D. 64°

Mathematics

2 answers:

Genrish500 [490]2 years ago

5 0

Answer:

A. 32

Step-by-Step Explanation:

∠QRP = 32

if two sides of a triangle are congruent, then the angles opposite those sides are congruent.

∠QRP ∠QPR

Substitute ∠QPR 32° into ∠QRP : ∠QRP 32°

AlladinOne [14]2 years ago

4 0

32 it’s an isosceles triangle

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At a certain hospital, the probability of a child being born female is 0.51. If 80 babies are born on the a certain day, the pro

Ber [7]

Answer :

0.53

Step-by-step explanation:

Given the following :

Probability of female = probability of success on a single trial = 0.51

Number of babies = 80

Probability that more than half of the babies are female : p(X >80/2) = P(X > 40)

The problem can be solved using the binomial probability function :

P(X > 40) = [ p(X= 41) + p(X= 42) +.... +p(X= 80)]

In other to save computation time, we can use the binomial probability calculator

Hence ; P(X > 40) = 0.527 = 0.53

6 0

2 years ago

PLEASE ANSWER ASAP ITS DUE!!

Neporo4naja [7]

Answer:

umm i belive 4 meters might not be right tho

Step-by-step explanation:

8 0

2 years ago

NEED TO KNOW ASAP PLEASE HELP

AnnyKZ [126]

Answer:

You are squaring x and -5 on the first equation, and on the second equation you are just squaring x and subtracting 5.

Step-by-step explanation:

And since on the first equation x and -5 are in parenthesis that means that the square goes to both of them.

And the second one there is no parenthesis so the square only goes to the x.

I hope this helps you.

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3 years ago

How do you find the area of a regular polygon?

Bogdan [553]

Each of the triangles are equal in base length, height, and area. Remember the formula for the area of a triangle. The area of any triangle is 1/2 times the length of the base (which, in the polygon, is the length of a side) multiplied by the height (which is the same as the apothem in regular polygon).

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3 years ago

The function y= -16t^2 +24t represents the height y (in feet) of a tennis ball bouncing straight up from the ground t seconds af

taurus [48]

We want to know the time, t, it takes the ball to reach a height (y) of 0.
$0=-16t^2+24t$
We can factor out the GCF first. The largest number that will divide evenly into 16 and 24 is 8. Also, both terms have a t, so we can factor that out as well:
$0=8t(-2t+3)$ (-16/8 = -2 and 24/8 = 3)
Using the zero product property, we know that either 8t=0 or -2t+3=0. Solving the first equation, we would divide both sides by 8:
8t/8=0/8
t=0
This is at 0 seconds, before the ball is in the air at all.
Solving the second equation, we start by subtracting 3 from both sides:
-2t+3-3=0-3
-2t=-3
Now we divide both sides by -2
-2t/-2=-3/-2
t=1.5
After 1.5 seconds, the ball will hit the ground again.

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3 years ago