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timama [110]
3 years ago
15

5. Compare the parent function f(x) = x 2 to the quadratic function f(x) = –2x 2 – 6. The 6 in the function does which of the fo

llowing? (1 point)
It makes the graph narrower than the parent function.
It makes the graph wider than the parent function.
It causes the graph to reflect across the x axis and open downward.
It shifts the vertex of the graph vertically.
Mathematics
1 answer:
Kazeer [188]3 years ago
5 0
Last choice. The -2 flips it and stretches or shrinks it.
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Aye help me out here pleaseee
Jlenok [28]
Salt water is your answer
8 0
2 years ago
Emily can write 1/6 pages for Ms.McCrimmon in 1/12 minutes. What was her unit rate to write full pages?
Vinil7 [7]

1/6:1/12 is 2:1

She can write 2 pages per minute

3 0
3 years ago
The radius of a sphere measures 2 units. What is its surface area? S = 4nr2 S = 4n(2)2 Surface area = 16 square units​
garri49 [273]

Answer:

50.24 sq. units

Step-by-step explanation:

S = 4πr² = 4×3.14× 2² = 3.14 × 16 = 50.24 sq. units

6 0
3 years ago
The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to det
Maru [420]

Answer:

0.077994

Step-by-step explanation:

Given that the owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.

H_0: Mean = 30\\H_a: Mean >30

(Right tailed test)

Sample size = n=250

Sample mean = 30.45

Mean difference =30.45-30=0.45\\

Sample std dev s = 5

Sample std error = \frac{5}{\sqrt{n} } =\frac{5}{\sqrt{250} } \\=0.3163

Test statistic = Mean diff/std error = =\frac{0.45}{0.3163} =1.423

Since population std deviation is not know we use t test

p value = 0.077994

4 0
3 years ago
Are the two triangles similar? How do you know?
Bess [88]
There are several conditions where triangles can be proved similar:

AA - where two of the angles are same.

SAS - where two sides of a triangle compare to the corresponding sides in the other are in same proportion, and the angle in the middle are equal.

SSS - Where all sides in a triangle and the corresponding sides are in the same proportion.

In the case above, we can only use the method of SAS, as only two sides of the triangles are given.

<HMG = <JMK (vertically opposite angles)

HM/MK = 8/12 = 2/3

GM/MJ = 6/9 = 2/3

As the two sides of a triangle comparing to the corresponding sides in the other are in same proportion, and the angle in the middle are equal, the above triangles are similar, with the prove of SAS.

Therefore, the answer is C.yes by SAS.

Hope it helps!
7 0
2 years ago
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