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Hatshy [7]
3 years ago
6

Plz help meee ASAP! Will mark as brainlist!

Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0
Im sure its C bc i have a feeling it may be right
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I need helppppp........
grin007 [14]

Answer:

B

Step-by-step explanation:

To do this, you need to complete the square.

y=-2x^2-8x-13 \\\\y=-2(x^2+4x)-13 \\\\y=-2(x^2+4x+4)+8-13 \\\\y=-2(x+2)^2-5

Therefore, the correct answer is choice B. Hope this helps!

7 0
4 years ago
Lexi's bulletin board is 40 centimeters wide. each of her ribbons is 4 centimeters wide, and her photos are 12 centimeters wide.
Alina [70]
Ribbon, Photo, Ribbon, Ribbon, Photo, Ribbon.
4 x 12 x 4 x 4 x 12 x 4= 40 cm.

Hope this helps!!
6 0
3 years ago
Select all the points that are on the graph of the line y= -1/2x + 5
Airida [17]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
Slove by completing the square x^2+4x-5=0​
Anika [276]

Answer:

-5 & 1

Step-by-step explanation:

[x² + 2(x)(2) + 2²] - 2² - 5 = 0

(x+2)² - 4 - 5 = 0

(x+2)² = 9

x+2 = +/- 3

x+2 = 3 x = 1

x+2 = -3 x = -5

4 0
3 years ago
Students were asked how they traveled to school. The two-way relative frequency table shows the results. Write answers as decima
Mazyrski [523]

The conditional relative frequency that the student rides the bus, given that the student is in middle school will be 0.15.

<h3>How to find the relative frequency?</h3>

Relative frequency is the ratio of the considered sub-groups counts to the total count. (so its frequency of the considered sub-group relative to the total frequency).

Students were asked how they traveled to school.

The two-way relative frequency table shows the results.

Then the conditional relative frequency that the student rides the bus, given that the student is in middle school will be

→ 0.15

Learn more about conditional relative frequency here:

brainly.com/question/8358304

#SPJ1

5 0
2 years ago
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