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xz_007 [3.2K]
3 years ago
10

Can yall pls help me with this, pls try to explain it in steps, ty!

Mathematics
2 answers:
inna [77]3 years ago
7 0

Answer: it MIGHT be c cuz it goes down FASST then slows down a bit on the loop the fast cuz its gong down and then slows a bit

Step-by-step explanation:

tatiyna3 years ago
6 0
<h3>Answer: Choice B (upper right corner)</h3>

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

Explanation:

At first the car isn't moving at all. This is at time 0. So this means the graph starts at the origin (0,0). Based on this alone, the answer is either choice B or choice C.

We can rule out choice C because the rates of change won't be constant to give those sharp straight lines. Instead, we have a gradual shift in speeds as the roller coaster progresses. So we'll have more of a curved shape as choice B shows.

Note that each time the car is going downhill, the speed goes up. On the flip side, as the car goes uphill, the speed goes down. So the direction of movement runs counter to the speed graph direction (one goes up, the other goes down).

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3 years ago
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PLS ANSWER ITS URGENT
matrenka [14]

Answer:

The length of the ramp must be at least 14.71 feet

Step-by-step explanation:

Given

BC = 2.3ft

\theta = 9^\circ

<em>See attachment for complete figure</em>

Required

Length of the ramp (z)

To do this, we consider sin of angle A (\theta).

So, we have:

sin\theta = \frac{Opposite}{Hypotenuse}

This gives:

sin(9)= \frac{2.3}{z}

Make z the subject

z= \frac{2.3}{sin(9)}

z = \frac{2.3}{0.1564}

z = 14.71 ft

<em>The length of the ramp must be at least 14.71 feet</em>

6 0
3 years ago
-2 1/6+(-2/3) please help me I really need help thanks
Charra [1.4K]

Answer: Your answer is -2 5/6

Step-by-step explanation:

Just convert the -2/3 to sixths. To do this, you multiply the denominator and numerator by 2 to make it equivalent to -2 1/6's denomenator (6). 2 times -2 is -4 and 3 times -2 is -6. This means -2/3 is equal to -4/6. As a result -2 1/6 - 4/6 is -2 5/6.

4 0
3 years ago
5. In the given sequence 32, 28, 24, 20, What rule is applied?
Nitella [24]

Answer:

C

Step-by-step explanation:

A number is <em>n</em>, therefore you can start off with 32 and subtract 4 getting you 28. Subtract 4 and you get 24, and again 20.

4 0
2 years ago
Find the closest point on the line. <br> y = - x -4 to (4,4)
Liono4ka [1.6K]

Answer:

(-2,-2)

Step-by-step explanation:

The closet point on a line to any given point is the point where a perpendicular line intersects them both. The perpendicular line to y=-x-4 that intersects (4,4) is y=x. If you graph them both, you will find that they intersect at (-2,-2).

4 0
3 years ago
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