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Irina18 [472]
2 years ago
15

Please help me find all the missing angles in the two problems

Mathematics
1 answer:
Yakvenalex [24]2 years ago
3 0

the answer for the second problem is x=99 degrees and y= 261 degrees

dunno the first problem :/

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Four friends participated in a free throw contest. Sean made twice as many
Wittaler [7]

Answer;

Sean got 24 points

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Kevin got 8 points

Emily got 12 points

Sorry I cannot give proper explanation because of typo issues.

Hope that can help.

4 0
2 years ago
A right triangle has a hypotenuse length of 12, and one side length of 9. find the missing side length. do the side lengths form
Rina8888 [55]

Use the Pythagorean theorem:

a^2+b^2=c^2

c - a hypotenuse

a, b - legs

We have: a = 9 and c = 12. Substitute:

9^2+b^2=12^2

81+b^2=144               <em>subtract 81 from both sides</em>

b^2=63\to b=\sqrt{63}\\\\b=\sqrt{9\cdot7}\\\\b=\sqrt9\cdot\sqrt7\\\\ \boxed{b=3\sqrt{7}}

A Pythagorean triple consists of three positive integers a, b and c, such that

a^2+b^2=c^2.

b=3\sqrt{7} is not positive integer.

<h3>The sides of the triangle do not form a pythagorean triple.</h3>
5 0
3 years ago
What property says that -12+12+0
natali 33 [55]

Answer:

Looks like <u>inverse property of addition </u>to me

4 0
3 years ago
The number of typographical errors in a document follows a Poisson distribution with a mean of 3 errors per page. Let X represen
n200080 [17]

Answer:

probability of x is 0.22 correct to two decimal places

Step-by-step explanation:

step 1. use the poisson formula given as

p(x) = (λˣe∧-λ) ÷x! where λ is the mean and it called lambda,λ = 3, e is mathematical constant and it approximately = 2.7183, x is the chosen value which is equal to 2, Λ is raise to power, ! is factorial sign

p(x=2) =( 3² x 2.7183⁻³) ÷ 2! = 0.22

3 0
3 years ago
Working together, Katherine and Marina can sand a large cabinet in 2 hours. It would take Katherine 10 hours to do the job alone
timofeeve [1]

I'm not sure what you're asking but they each took 5 hours of work into one hour..

5 0
2 years ago
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