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VikaD [51]
2 years ago
10

I need help with this trigonometry question.

Mathematics
1 answer:
Pani-rosa [81]2 years ago
6 0
I don’t remember how to do a and b but A is 39
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Solve : Show all world
dem82 [27]

Answer:

Step-by-step explanation:

3y+21+hy+20 = 90

the sum of two complimentary angles = 90

m+n=90

then solve for y ( i think it is not letter H it has to be a number).

5 0
2 years ago
What is the slope of the line through (-7,-8) and (0, 4)
il63 [147K]

Answer:

5/3

Step-by-step explanation:

8 0
2 years ago
what problem could happen if judges only used whole numbers instead of decimals to keep scores? What problems might arise?
Bas_tet [7]
The outcome wouldn't be 100% correct
8 0
2 years ago
Read 2 more answers
A vehicle is traveling at a rate of 80 kilometers per hour. How many miles per hour is this?
Rudik [331]

Answer:

49.71 miles per hour

Step-by-step explanation:

The speed of the vehicle is at a rate of 80 kilometers per hour.

Convert km to miles.

80 kilometers = 49.7097 miles

The speed is approximately 49.71 miles per hour.

8 0
3 years ago
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Which graph represents the solution set of the system of inequalities? {x+y<12 y≥x−4
RSB [31]

Answer: The graph in the bottom right-hand corner

(see figure 4 in the attached images below)

===========================================

Explanation:

Let's start off by graphing x+y < 1. The boundary equation is x+y = 1 since we simply change the inequality sign to an equal sign. Solve for y to get x+y = 1 turning into y = -x+1. This line goes through (0,1) and (1,0). The boundary line is a dashed line due to the fact that there is no "or equal to" in the original inequality sign. So x+y < 1 turns into y < -x+1 and we shade below the dashed line. The "less than" means "shade below" when y is fully isolated like this. See figure 1 in the attached images below.

Let's graph 2y >= x-4. Start off by dividing everything by 2 to get y >= (1/2)x-2. The boundary line is y = (1/2)x-2 which goes through the two points (0,-2) and (4,0). The boundary line is solid. We shade above the boundary line. Check out figure 2 in the attached images below.

After we graph each individual inequality, we then combine the two regions on one graph. See figure 3 below. The red and blue shaded areas in figure 3 overlap to get the purple shaded area you see in figure 4, which is the final answer. Any point in this purple region will satisfy both inequalities at the same time. The solution point cannot be on the dashed line but it can be on the solid line as long as the solid line is bordering the shaded purple region. Figure 4 matches up perfectly with the bottom right corner in your answer choices.

5 0
2 years ago
Read 2 more answers
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