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skad [1K]
3 years ago
10

PLEASE HELP

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

y =  - 3x^{2}  + 18x + 10 \\  \frac{d}{dx}( - 3x^{2}  + 18x + 10) \\  - 6x + 18 = 0 \\  - 6x =  - 18 \\ x = 3

The axis of symmetry for parabola is x = 3.

Using derivative to solve for axis od symmetry is easier.

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Find BC<br>AC = 7<br>BD = 7.5<br>DE = 1.5<br>AE = 11​
tatuchka [14]

5

CE=AE-AC=4

CD=CE-DE=4-1.5=2.5

BC=BD-CD=7.5-2.5=5

3 0
3 years ago
(Will give brainliest) Is my answer correct?? If not please correct me
Yuki888 [10]

Hey!

-------------------------------------------------

Answer:

(-6, 2) and (-7, -1) and (0, 0)

-------------------------------------------------

Explanation:

You reflected the triangle. You needed to translate the triangle.

y + 6 is to move up 6 units along the y-axis.

x - 5 is to move left 5 units along the x-axis.

Another thing, the question doesn't state was transformation to use so we are going to assume we are translating.

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Hope This Helped! Good Luck!

5 0
3 years ago
Which inequality represents that −14 more than twice a number is no less than 18?
yuradex [85]
-14>2x>18

Hope this helps!
5 0
3 years ago
A worker at a cabinet shop is cutting out pieces of wood for a dresser. He needs pieces that are 4 1/4inches long. Each saw cut
ella [17]

Answer: he will be able to make 19 full pieces

Step-by-step explanation:

1. Start off by making 7 feet into 84 inches so the measurements can match.

2. Add 4/14 inches and the 1/8 a inch together so you know how much is being taken off 84 inches. The amount will be 35/8 inches.

3. Divide 84 inches by 35/8 inches = 19 1/5

4. The whole number of the answer will be how many boards you can make from the board.

8 0
3 years ago
What is the slope of this line?
Lynna [10]

\frac{ - 2}{2}
8 0
4 years ago
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