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kvv77 [185]
3 years ago
13

Will give brainliest ! need help due in an hour

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0
If I’m not mistaken your years are going to be the x value and the cases are your y values so type the year as the x value and type the number of cases as the y value Let me know if I was right
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A flatbed truck travels 144 miles in 5 hours. A semi-trailer truck travels 327 miles in 4 hours. A tanker truck travels 589 mile
GenaCL600 [577]

Answer:

<u>The semi-trailer truck has the fastest average speed</u>

Step-by-step explanation:

Let's recall that the formula of the average speed is:

Average speed = Distance/Speed

Now, we can calculate the average speed for each class of vehicle, as follows:

Flatbed truck average speed = 144/5 = 28.8 miles per hour

<u>Semi-trailer truck average speed = 327/4 = 81.75 miles per hour</u>

Tanker truck average speed = 589/15 = 39.27 miles per hour

Which truck has the fastest average speed?

<u>The semi-trailer truck has the fastest average speed</u>

4 0
3 years ago
Which of the equations below could be the equation of this parabola?
Mademuasel [1]

Answer:

Option B: y = -\frac{1}{2} x^2

Step-by-step explanation:

The parabola has its concavity downwards, so we need a function in the model:

y = ax^2 + bx + c

With a negative value of 'a'

The vertex is (0,0), so we have that:

0 = 0a + 0b + c

c = 0

The x-coordinate of the vertex is given by the equation:

x\_vertex = -b/2a

-b/2a = 0

b = 0

So we have a function in the model:

y = ax^2

With a < 0

The only option with this format is B:

y = -\frac{1}{2} x^2

7 0
3 years ago
Stanley is having trouble understanding how to find the GCF
soldier1979 [14.2K]

Answer:

8

Step-by-step explanation:

All the factors of 8 and 16 are 1;2;4;8

3 0
2 years ago
How do you do percent
Veronika [31]
Take the decimal and multiply it by 100.
7 0
3 years ago
Read 2 more answers
What are the solutions of 3x+9+4x+x=
mart [117]

Answer:

3x + 9 + 4x + x = 8x + 9

Step-by-step explanation:

combine like terms

5 0
3 years ago
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