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MariettaO [177]
3 years ago
9

Could it be a proportional function?

Mathematics
1 answer:
Kipish [7]3 years ago
5 0
Y=mx+b. I think because +b gives it away which never goes through the origin, and we just reviewed this at school.
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Please hurry it almost due
kolezko [41]

Answer: -18 - -18

Step-by-step explanation: Aka negative eighteen minus negative eighteen

5 0
3 years ago
Find each unit rate.
Jlenok [28]
A. $0.02 per golf tee

To check this answer;
0.02 * 150 golf tees = $3

Let me know if this helps :)
3 0
3 years ago
Which is the graph of y = [x] - 2?
Feliz [49]
<h3>Answer: Top row, third option (far right)</h3>

Explanation:

The notation \lfloor x \rfloor means "floor of x". Whatever decimal value x is, we just ignore the decimal portion and just focus on the integer part. We round down to the nearest whole number. We always round down.

For something like x = 2.5 or x = 2.7, the value of \lfloor x \rfloor will be 2. It doesn't matter that 2.7 is closer to 3 than it is to 2. The interval 2 \le x < 3 will be entirely on the x axis since we are taking the result of the flooring operation and subtracting off 2. Notice how x = 3 is not included. This is because x = 3 leads to y = 1 instead of y = 0. So we have an open hole at the end of the interval. The same goes for any other piece as well.

6 0
3 years ago
Read 2 more answers
Find the rectangular coordinates of the point with the polar coordinates ordered pair 7 comma 2 pi divided by 3.
Morgarella [4.7K]

Answer:

\left(-\dfrac{7}{2},\dfrac{7\sqrt{3}}{2}\right).

Step-by-step explanation:

The given point is

\left(7,\dfrac{2\pi}{3}\right)

We need to find the rectangular coordinates of the given point.

If a polar coordinate is (r,\theta), then  

x=r\cos theta

y=r\sin theta

In the given point \left(7,\dfrac{2\pi}{3}\right),

r=7,\theta=\dfrac{2\pi}{3}

Now,

x=7\cos \dfrac{2\pi}{3}

x=7\cos \left(\pi-\dfrac{\pi}{3}\right)

x=-7\cos \left(\dfrac{\pi}{3}\right)

x=-7\left(\dfrac{1}{2}\right)

x=-\dfrac{7}{2}

and,

y=7\sin \dfrac{2\pi}{3}

y=7\sin \left(\pi-\dfrac{\pi}{3}\right)

y=7\sin \left(\dfrac{\pi}{3}\right)

y=7\left(\dfrac{\sqrt{3}}{2}\right)

y=\dfrac{7\sqrt{3}}{2}

Therefore, the required point is \left(-\dfrac{7}{2},\dfrac{7\sqrt{3}}{2}\right).

3 0
3 years ago
A ladder is leaning against a building. Match the values with their descriptions.
irinina [24]

Answer:

The height of the building: g

Distance from the building to the base of the ladder: 57

The length of the ladder: m

Angle the ladder makes with the building: k

Angle the ladder makes with the ground: 55

Step-by-step explanation:

Based off the location of the variables and numbers, the descriptions match where they are.

Hope that helps!

7 0
3 years ago
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