3 years ago

30 POINTS! PLEASE HELP ASAP! WILL MARK BRAINLIEST!

Mathematics

1 answer:

Advocard [28]3 years ago

4 0

Answer: D

Step-by-step explanation:

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Graph the parobola. y=4x^2-7

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Answer:

Step-by-step explanation:

y=4x^2-7

vertex(0,-7)

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3 years ago

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3 years ago

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What is the value of 6n - 2 when n = 3?

Yuliya22 [10]

Answer:

Step-by-step explanation:

Substitute 3 for n,

6(3) - 2

then multiply

18 - 2

then subtract

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3 years ago

Hat term can you add to StartFraction 5 over 6 EndFraction x minus 4 to make it equivalent to One-half x minus 4?

kolezko [41]

Answer:

$\dfrac{-x}{3}$ should be added to the given equation.

Step-by-step explanation:

Let a is added to the given equation.

According to the given condition,

$\dfrac{5x}{6}-4+a=\dfrac{x}{2}-4\\\\a=\dfrac{x}{2}-4+4-\dfrac{5x}{6}\\\\a=\dfrac{x}{2}-\dfrac{5x}{6}\\\\a=\dfrac{3x-5x}{6}\\\\a=\dfrac{-2x}{6}\\\\a=\dfrac{-x}{3}$

So, $\dfrac{-x}{3}$ should be added to the given equation.

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3 years ago

The exterior angle of a regular polygon is 15 degrees how many sides does it have

Komok [63]

The formula to use is
n = 360/E
where
n = number of sides
E = measure of exterior angle

In our case, E = 15 so
n = 360/E
n = 360/15
n = 24

This regular polygon has 24 sides

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3 years ago