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vlada-n [284]
3 years ago
12

Help with these math questions

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0
The first one is: Y = (x - 1)² - 16

The third one is: (A) X = 6.
6² - 36 = 0

Still working on the other ones, though.
You might be interested in
0.037 in scientific notation
Sedaia [141]

\huge\boxed{3.7\ \times\ 10^{-2}}

First, you need to find where you can move the decimal point to so that there is only one non-zero digit to the left of it.

Move the decimal point, and that is the first part done.

Add "\times\ 10".

For the last part - the power, you need to find how many decimal places you moved the decimal point. In this case, we moved it to the right 2 places, so the power is ^{-2}.

If, for example, we had moved the decimal point three places to the left, the power would be ^{3}.

7 0
3 years ago
The average price of a movie ticket in the United States from 1980 to 2000 can be modeled by the expression, 2.75+0.10x, where x
MissTica

Answer:

<h2>$4.7</h2>

Step-by-step explanation:

step one:

Let the cost be y

to solve for the cost of  a movie ticket, we need to solve the expression

y=2.75+0.10x

step two:

given that x is the number of years between 1980-2000

the number of years is 20years

put x= 20 in the expression for the cost we have

y=2.75+0.10(20)

y=2.7+2

y=$4.7

5 0
3 years ago
If f(x) =15x 2 + 10x, find f(-1)<br><br> Anyone know the answer?
Rom4ik [11]
I'm assuming the given function is f(x) = 15x^2 + 10x.

If so, then,

f(x) = 15x^2 + 10x
f(x) = 15*(x)^2 + 10*(x)
f(-1) = 15*(-1)^2 + 10*(-1) ... note how x is replaced with -1
f(-1) = 15*(1) + 10*(-1)
f(-1) = 15 - 10
f(-1) = 5

Therefore the answer is 5
7 0
3 years ago
Simplify (-2x^3)^2 x y x y^9
nadezda [96]
Answer: 4x^6y^10
Explanation:
(-2x^3)^2 x y x y^10
= 4x^3 x 2 x y^1+9
4x^6 x y^10
= 4x^6y^10

8 0
3 years ago
Find the remainder when 2^1990 is divided by 1990.
german
I am only in middle school, this question is for college. sorry
5 0
3 years ago
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