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LiRa [457]
3 years ago
9

Please look at the picture to answer the question.

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0
X - 19 + x + 65 = 180.  180° equals a line, and therefore a linear pair.
Then, solve your equation.  2x = 134.  So, x = 67°.  67 - 19 = 48.  180 - 48 = 132.  The answer is A.
You might be interested in
Verbalize 2(n^3+3n^2)=4n
Arada [10]

Answer:

A number cubed plus a 3 times a number squared all multiplied by 2 is equal to 4 times a number.

Step-by-step explanation:

Since we can't say "in parenthesis", we will have to say the expressions in the parenthesis first and then say "all multiplied by 2" to express parenthesis in word form. The rest are pretty straight forward.

5 0
3 years ago
Is the point (2,4) a solution of y &lt;= -4x + 12?<br> HELP ASAP
Natasha2012 [34]

Answer:

yes

Step-by-step explanation:

y <= -4x + 12

(2,4)      4 <= -4*2 + 12      4<= 4   is true

7 0
3 years ago
Complete the square than convert to vertex form. y=2x^2+8x-9​
8_murik_8 [283]

y=2x^2+8x-9\\D=b^2-4ac\\D=64-4(2)(-9)\\D=64+72 > 0

There are 2 roots so the only way to complete the square is,

y=2x^2+8x-9\\y=2[(x^2+4x)]-9\\y=2[(x^2+4x+4)-4]-9\\y=2[(x+2)^2-4]-9\\y=2(x+2)^2-8-9\\y=2(x+2)^2-17

Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.

then complete the square and multiply 2 inside the brackets.

subtraction as you already get the vertex form and know how to complete the square.

Vertex Form: y=2(x+2)^2-17

3 0
3 years ago
What is the area to this??
jolli1 [7]

Answer:

30 units squared

Step-by-step explanation:

1/2(base)(height)

base=10

height=6

1/2(10)(6) = 5*6 = 30!

6 0
3 years ago
Read 2 more answers
A quadrilateral has congruent side lengths. 2 opposite angles have measures of 100 degrees. The other 2 opposite angles have mea
Burka [1]

Answer:

x = 14.

Step-by-step explanation:

The other 2 opposite angle are both equal to 70 degrees.

So 5x = 70

x = 70/5

= 14 degrees.

6 0
4 years ago
Read 2 more answers
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