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12345 [234]
3 years ago
14

I need help with these questions asap

Mathematics
1 answer:
AfilCa [17]3 years ago
4 0

Answer:

43

Step-by-step explanation:

90-47=43

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Sooo...I just came across this question and I genuinely have no idea what to do. Please help. Thanks! Answer ASAP
Andreyy89
Use the protractor. Put the purple dot on the vertice and the make sure the line is lined up with the bottom and your answer should be lined up.
7 0
2 years ago
What’s the answer for a, and b, and how would you solve it?
xxTIMURxx [149]

Answer:

a) negative

b) -7/6

Step-by-step explanation:

The x value increased, but the y value decreased so the line goes down and has a negative slope

(y₁-y₂)/(x₁-x₂) is the slope where (x₁,y₁) and (x₂,y₂) are points on the line

(4-(-3))/(-1-5)=7/-6

6 0
2 years ago
Help?? PLSSSS NOWWWWW
Vesnalui [34]
Using the equation y=9x you can substitute x for the hours. Y=9 times 5 and y=9 times 8. Y=45 and y=72. The range is $45-$72
7 0
3 years ago
A hamster running in a wheel of radius 13 cm spins the wheel at 35 revolutions per minute.
crimeas [40]

One revolution is completed when a fixed point on the wheel travels a distance equal to the circumference of the wheel, which is 2π (13 cm) = 26π cm.

So we have

1 rev = 26π cm

1 rev = 2π rad

1 min = 60 s

(a) The angular velocity of the wheel is

(35 rev/min) * (2π rad/rev) * (1/60 min/s) = 7π/6 rad/s

or approximately 3.665 rad/s.

(b) The linear velocity is

(35 rev/min) * (26π cm/rev) * (1/60 min/s) = 91π/6 cm/s

or roughly 47.648 cm/s.

5 0
3 years ago
What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)?
UkoKoshka [18]
Y = kx ⇒ k = y/x = 2/(-3) = -2/3

Answer: k = -2/3
8 0
3 years ago
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