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Mama L [17]
2 years ago
12

I need help writing the equations for these word problems, and maybe an explanation on how to write equations? I have a lot of t

rouble with it.
-

1. One angle of a triangle measures 120°. The other two angles are congruent. Write and solve an equation to find the measure of the congruent angles.

2. Linda is paid double her normal hourly rate for each hour she works over 40 hours a week. Last week, she worked 52 hours and earned $544. What is her hourly rate?

Mathematics
1 answer:
TEA [102]2 years ago
8 0
I hope this helps good luck

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Is this statistical question? Explain<br> What is the shoe size of seventh-grade students?
mel-nik [20]
I think it is a statistical question
6 0
3 years ago
If 4sintheta = -3, solve for theta given 0°&gt;_theta&gt;_360°
Soloha48 [4]

Answer:

311.41 degrees

Step-by-step explanation:

If 4 sin Ф = -3 and Ф is between 0 and 360 degrees, then we conclude that Ф must be either in Quadrant III or Quadrant IV (because the sine is negative).

Let's assume we're in Quadrant IV.  Then sin Ф = opp / hyp = -3/4; that is, the opp side is negative and has length 3, and the hypo is positive 4.

According to the Pythagorean Theorem,  (-3)^2 + x^2 = 4^2, or,

x^2 = 16 - 9 = 7.

Then x is either √7 or -√7.

To find the angle Ф, use the inverse sine function:

Ф = arcsin (-3/4).  Using a calculator we get the angle -40.59 degrees, which corresponds to (360 degrees - 40.59 degrees), or 311.41 degrees.  We can check this by finding the sine of 311.41 degrees; the result is -0.75, which matches "If 4sintheta = -3."  

6 0
2 years ago
PLEASE HELP ME
Zolol [24]
It is 4/3. the quantity of 4 over 3
X+6/3 - x+2/3= x+6-x-2/3 = 4/3.
8 0
2 years ago
What are the solutions of the equation (x-3)^2 + 2(x-3) -8 = 0
Mariulka [41]
Expand and simplify
(x-3) (x-3) +2(x-3) -8=0
(x-3+2)(x-3)-8=0
(x-1)(x-3)-8=0
x^2 -4x +3-8=0
x^2 - 4x -5=0
x^2 -5x +x-5=0
x(x-5)+x-5=0
(x+1)(x-5)=0
x= - 1, 5
6 0
3 years ago
Read 2 more answers
A 2x6 rectangle has the same perimeter as a square of area<br> A) 4<br> B) 12<br> C) 16 D) 144
Nataly [62]
Answer: C) 16

We know that the x or y axis side is 2 and 6
If we double the number to find the perimeter:
2 - 4
6 - 12
—-
16
Therefore the answer is 16
5 0
3 years ago
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