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Veronika [31]
4 years ago
14

A certain triangle has two 45° angles. What type of triangle is it?

Mathematics
1 answer:
neonofarm [45]4 years ago
3 0
Answer is a right triangle. The angles of a triangle must add to 180 degrees.
You have two 45 degree angles
45 + 45= 90
Now you need 1 more angle to equal 180
180- 90= 90
A right angle is 90 degrees. A right triangle has one right angle and two acute.
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Tasya [4]
Okay thank you so much
6 0
2 years ago
John's free throw shooting percentage is 87%. If John shoots 12 free throws in the course of a game, what is the probability he
suter [353]

Answer:

0.2771

Step-by-step explanation:

This is a binomial probability question.  "Makes" is what some writers call a "success."  In the binomial probability distribution, the probability of  <em>r</em>  successes in  <em>n</em>  trials is

\binom{n}{r}p^r(1-p)^{n-r}

<em>p</em> is the probability of "success."  \binom{n}{r}=\frac{n!}{r!(n-r)!}

In this problem, <em>n</em> = 12,  <em>r</em> = 10, <em>p</em> = 0.87 (the 87%).

The probability of exactly 10 made shots out of 12 attempted is

\binom{12}{10}(0.87)^10(1-0.87)^2 =66(0.87^10)(0.13)^2 \approx 0.2771

4 0
3 years ago
How much pure dye must be added to 4 gal of a 25% dye solution to increase the solution to 40% (Hint: Pure dye is 100% dye.)
AfilCa [17]
If 4 gal is 25%
and unknown gal is 40%

4x40=160
160/25=6.4
6.4-4=2.4

2.4 is your answer

7 0
4 years ago
How do I solve this?
nikitadnepr [17]
The answer will be B. Hope it help!
4 0
4 years ago
What value of x satisfies 3x + 2 = 14?
dem82 [27]
Hey! 
Your answer would be 4! 
3*4+2=14
Hope this helped! Make sure to check my calculations before submit! 
Godspeed 
-Song
4 0
4 years ago
Read 2 more answers
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