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BaLLatris [955]
2 years ago
10

30 points for this question

Mathematics
2 answers:
Mrac [35]2 years ago
7 0
X=40 degrees
100+2x=180
80=2x
x=40
OleMash [197]2 years ago
5 0
The answer is 40 , this is because a straight line is 180 - the 100 shown in the equation. Leaving the 80 which you have to divide by 2 to get true singular x = 40
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What is 9 to the power of 6 divided by negative 2 to the power of 3?
Dafna11 [192]
The answer is -66430.125
8 0
3 years ago
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A candle is 9 inches long. Ronnie lights the candle and records the height of the candle, y inches, for x hours.​
DochEvi [55]

In the future, please post the full problem with all included instructions. After doing a quick internet search, I found your problem listed somewhere else. It mentions two parts (a) and (b)

Part (a) asked for the equation of the line in y = mx+b form

That would be y = -2x+9

This is because each time y goes down by 2, x goes up by 1. We have slope = rise/run = -2/1 = -2. This indicates that the height of the candle decreases by 2 inches per hour. The slope represents the rate of change.

The initial height of the candle is the y intercept b value. So we have m = -2 and b = 9 lead us from y = mx+b to y = -2x+9

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

Part (b) then asks you to graph the equation. Because this is a linear equation, it produces a straight line. We only need 2 points at minimum to graph any line. Let's plot (0,9) and (1,7) on the same xy grid. These two points are the first two rows of the table. Plot those two points and draw a straight line through them. The graph is below

7 0
2 years ago
HELP ME ASAP pretty please someone help me with 9 A and B (For b show work please) THANK YOU
Ilia_Sergeevich [38]
160 x 4 =? ~a~
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6 0
3 years ago
I need to know how to solve it and get the answer right to check my work
Ede4ka [16]
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3 0
3 years ago
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Tems11 [23]

Answer:  3

Step-by-step explanation:

Let E be the event of that student pierces ear and N be the event of that student pierces nose.

Given: n(E\cup N=50)

n(E)=46\\\\n(N)=7

For any two event A and B, we have

n(A\cup B)=n(A)+n(B)-n(A\cap B)

Similarly , n(E\cup N)=n(E)+n(N)-n(E\cap N)

50=46+7-n(E\cap N)\\\\\Rightarrow\ n(E\cap N)=53-50=3

Hence, 3 students have piercings both on their ears and their noses.

7 0
3 years ago
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