I need to find x but I don't know how

Mathematics

1 answer:

S_A_V [24]3 years ago

4 0

The hypotenuse is always opposite the right angle and it is always the longest side of the triangle. You are trying to find the Hypotenuse.

4*4 + 3*3 = x

16 + 9 = 25

25 divide by 2

= 5

X=5

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What is the solution to the equations 2x+5y=20, 6x-5y=12

denis-greek [22]

Answer:

x = 4, y = 12/5

Step-by-step explanation:

2x+5y = 20

6x-5y = 12

----------------- (+)

8x = 32 => x = 32/8 => x = 4

2·4+5y = 20 => 8+5y = 20 => 5y = 12 => y = 12/5

7 0

3 years ago

Last one include explanation thank you !!!

Lyrx [107]

Answer:

Angle 2 = 105

Step-by-step explanation:

Since these angles are cut by a transversal the angle from above is congruent to angle #2. You can say the theorem that is used to make these two congruent is the Alternate exterior angles theorem which states this.

Hope this helped!

6 0

3 years ago

Read 2 more answers

Susan has been on a bowling team for 14 years. After examining all of her scores over that period of time, she finds that they f

ikadub [295]

Answer:

The probability that in a one-game playoff, her score is more than 227 is 0.4404.

Step-by-step explanation:

We are given that Susan has been on a bowling team for 14 years. After examining all of her scores over that period of time, she finds that they follow a normal distribution. Her average score is 225, with a standard deviation of 13.

<em>Let, X = scores over that period of time</em>

X ~ N( $\mu = 225, \sigma = 13^{2}$ )