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ehidna [41]
3 years ago
9

The three angles of a triangle have measures of 65 degrees, 15 degrees, and (x +42) degrees. What is x?

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
7 0

Answer:

58 degree is the value of x

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The triangles are similar.
dybincka [34]
36/12=3 Which give you the enlargement of the smaller triangle to the bigger one.

You work out the missing side by putting it into an equation:

3(x-10)=39

Then solve it.

First expand the brackets:

3x-30=39

The rearrange to get x on its own and that will be your answer:

3x=39+30
3x=69
x=69/3
x=23
5 0
4 years ago
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Find the equation of the line that
sladkih [1.3K]

                  - - - -- - - - - - - - - - - -   - - - -- - - - - -- - - - - - - -- - - - - - - -- - - - - --

\blue{\textsf{\textbf{Question:-}}}

What is the equation of the line parallel to y=-5x-9 and contains the point (-3, -3)?

\blue{\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}

First of all, parallel lines have the exact same slope.

So we know the slope of the line:- -5.

(enter -5, It's the number that belongs in the green box)

How about the y-intercept?

Well, since we're given the slope and a point that the line intersects, we can write the line's equation in point-slope form:-

y-y1=m(x-x1)

y-(-3)=-5(x-(-3)

y+3=-5(x+3)

y+3=-5x-15

y=-5x-18

<h3>Good luck.</h3>

             - - - -- - - - - - - - - - - - - - -- - - - - - - - - - - - -- - - - - - - - - - - - - - -- - - - -

7 0
3 years ago
Read 2 more answers
Factor the expression. k2 + 5kf – 50f2
g100num [7]

Answer:

We have

k^2 - 25f^2 + 5kf - 25f^2 =

k^2 - (5f)^2 + 5f( k - 5f) =

( k - 5f )( k + 5f ) + 5f( k - 5f ) =

( k - 5f )( k + 5f + 5f ) =

( k - 5f )( k + 10f );

Step-by-step explanation:


4 0
3 years ago
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If y=1/2x+4, then find the equation of the line parallel through the point (6,3).
tatyana61 [14]

Answer:

x=2y

Step-by-step explanation:

random guess

5 0
3 years ago
 Nadia is a stockbroker. She earns 13% commission each week. Last​ week, she sold ​$6,800 worth of stocks. How much did she make
iogann1982 [59]

Answer:884 a week, 45,968 a year


Step-by-step explanation:

6800*0.13=884




7 0
4 years ago
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