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Phoenix [80]
2 years ago
14

18. Where does the graph of y = –2x2 + 6x cross the x-axis?

Mathematics
1 answer:
algol132 years ago
8 0

Answer:

(0,0) and (3,0)

Step-by-step explanation:

When you graph y= -2x^2+6x it turns out to be a parabola. So, that means that  this parabola actually crosses two points on the x-axis; (0,0) and (3,0)

Hope this helps!

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Triangle XYZ is rotated 90° clockwise about the origin.
Vlad [161]

Answer:

(1,3)

Step-by-step explanation:

Rotating clockwise means that you're rotating by a negative angle measure. The rule for rotating -90 degrees is (x,y)->(y,-x). X is (-3,1) so X' should be (1,3) since you negate -3 to get 3 and switch the x and y coordinates.

4 0
3 years ago
Doug entered a conoe race he rowed 3.5 miles in .5 hrs what is his average speed
vichka [17]
7 miles per hour.

if you multiply the distance and time by 2 you get 7 miles in 1 hour, or 7 mph
4 0
3 years ago
ASAP WILL AWARD BRAINLIEST.<br><br> Please find the area of all the shapes.
Mandarinka [93]

Answer:

This a trapezium shape.

8+13/2×4=42 in2

8 0
3 years ago
What is 20% of 5 Please Help
Softa [21]
Hello there!

Start by asking yourself:"How to find the percentage of a number?"

We need to use the equation y = P% * x

In this case, the y is 20%

Y = P% * X

Y = 20% * X

Now we need to convert the percentage to decimal

P = 20%/100

P = 0.2

Then go back to the equation

Y= 0.2 * 5

Y = 1

The answer is 1

I hope the steps are easy to understand and hopefully the answer helps!

As always, I'm glad to help you today!
4 0
3 years ago
Find the distance between the points (1, 5) and (1, -4).
Ganezh [65]

Answer:

9

Step-by-step explanation:

\tt distance=\sqrt{(1-1)^2+(-4-5)^2}=\sqrt{0^2+9^{2}}=\sqrt{9^2} =9

6 0
3 years ago
Read 2 more answers
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