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2 years ago

If twice a number, n, is 5 less than the number squared, which of the following equations could be used to properly solve for n?

Mathematics

1 answer:

hjlf2 years ago

3 0

Answer:

2n - 5 = n^2 (or n squared)

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1.5+ (-6)

I am Lyosha [343]

1. -1
2. -2
3. -12
4. 7
5. -4

8 0

2 years ago

If g(x) = 3 - 2x, find g(-1). A. -5 B. 5 C. 0 D. 6

zheka24 [161]

Answer:

g(-1)=5

Step-by-step explanation:

Put value of x, which is - 1

$g(x) = 3 - 2x \\ g( - 1) = 3 - 2( - 1) \\ g( - 1) = 3 + 2 \\ g( - 1) = 5$

3 0

2 years ago

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Basically almost finished it just stuck on the last part. The angle of elevation to a nearby tree from a point on the ground is

Studentka2010 [4]

Answer:

12.4 ft

Step-by-step explanation:

Everything is done right so far.

Now to calculate the height of the tree, 12tan46, put the equation into a calculator.

Either a graphing calculator (make sure it is in degrees, not radians),

or the one on your phone (turn your phone landscape in the calculator app to get the trig functions.))

12tan46= 12.4 ft

4 0

1 year ago

Determine whether the relation is a function. {(-4, 1), (0, 0), (4, 0), (0, 4)}

olga nikolaevna [1]

Answer:

It isn't

Step-by-step explanation:

An x can't have to y's

way to remember: x=exes y=wives

you can have multiple exes (x's) but only one wife (y's)

0 has two y's

6 0

2 years ago

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Help me with this answer pls

4vir4ik [10]

Answer:

I think A is the answer

Step-by-step explanation:

Comment down if I am wrong but if I am right give me stars or a thank you or a thank you comment.

8 0

1 year ago

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