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Airida [17]
3 years ago
11

A.70 B.40 C.140 D.20

Mathematics
1 answer:
Nina [5.8K]3 years ago
7 0
The question says that KN bisects JKL. This means that the angles are exactly equal. Thus, we can set the angles equal to each other to solve for x:

x + 30 = 3x - 50
30 = 2x - 50
80 = 2x
x = 40

Your answer is B. 40.
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Which of the following equations uses the commutative property of addition to rewrite 1/3 + 2/5?
luda_lava [24]

The commutative property states that you can invert the order of the terms of a sum:

a+b=b+a

So, if you start with

\dfrac{1}{3}+\dfrac{2}{5}

Applying the commutative property you'll get

\dfrac{2}{5}+\dfrac{1}{3}

3 0
3 years ago
Mark's cell phone provider charges a monthly fee of $24.95 and $0.10 per each text message (t) sent or received. The total month
enot [183]

Answer:

Step-by-step explanation:

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6 0
3 years ago
What are the x-intercepts of the graph y=f(x+4)
Sergio [31]
The graph is y=x+4, to get the x-intercept we let y=0; and solve for x
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5 0
3 years ago
Find the sum of the constants a, h, and k such that
ra1l [238]

Answer:

  3

Step-by-step explanation:

The value of "a" is the coefficient of x^2, so we know that is 2.

__

<u>Solve for h</u>

Now, we have ...

  2x^2 -8x +7 = 2(x -h)^2 +k

Expanding the right side gives us ...

  = 2(x^2 -2hx +h^2) +k

  = 2x^2 -4hx +2h^2 +k

Comparing x-terms, we see ...

  -4hx = -8x

  h = (-8x)/(-4x) = 2

__

<u>Solve for k</u>

Now, we're left with ...

  2h^2 +k = 7 = 2(2^2) +k = 8 +k

Subtracting 8 we find k to be ...

  k = 7 -8 = -1

__

And the sum of constants a, h, and k is ...

  a +h +k = 2 +2 -1 = 3

The sum of the constants is 3.

6 0
4 years ago
Which number is a factor of 100?<br> 8<br> 12<br> 15<br> 20
vova2212 [387]

Answer:

20

Step-by-step explanation:

Divisors of 100

1, 2, 4, 5, 10, 20, 25, 50, 100

7 0
3 years ago
Read 2 more answers
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