Which is the equation of the given line in slope-intercept form?A. y = 3x +2

B. y = 3x - 2

C. y = - 3x + 2

D. y = - 1/3x + 2

Answers

Answer 1

Answer: The formula for slope-intercept form is y = mx + b.
M being the slope and B being the y-intercept.
The first thing I would do is find the slope. (y2-y1/x2-x1)
The slope is -3/1 or -3.
So now the equation looks like this:
y = -3x + b
Now to find the b.
The y-intercept is the value of why when x is zero. In this case it is 2.
So your answer is y = -3x + 2.
Hope this helps!

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3 to the power of negative 4

Answers

1/3^4=1/81
The answer is 1/81.

3 to the power of negative 4
= 3^ (-4)
= 3^ [(-1)*4]
= 1/(3^4)
= 1/81

The final answer is 1/81.

Simplify 3p^2q+3p(2pq-4)+5p^3

Answers

distribute
a(b+c)=ab+ac
3p(3pq-4)=9p^2q-12p

we have

3p^2q+9p^2q-12p+5p^3
add like terms
4p^3+12p^2q-12p

Step by Step
3p^2q+3p(2pq−4)+5p^3

Distribute:

=3p^2q+(3p)(2pq)+(3p)(−4)+5p^3=3p2q+6p2q+−12p+5p3

Combine Like Terms:

=3p^2q+6p^2q+−12p+5p^3=(5p^3)+(3p^2q+6p^2q)+(−12p)=5p^3+9p^2q+−12p
=5p^3+9p^2q−12p

150=10(2+r)
$150 = 10(2 + r)$

Answers

10(2+r)=150
(2+r)=150/10
2+r=15
r=15-2
r=13

15 y=120

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Answers

Answer:

y=8

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Answer:

y=8

Step-by-step explanation:

In order to solve this, you would divide both sides of the equation by 15. 15 divided by 15 cancels out, so you are left with 120 divided by 15 which is 8.

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What is the nearest thousands of 4983

Answers

The number 9 in the hundred spot makes the number round up. Any number 5-9 rounds up and numbers 0-4 round down. So the answer Is 5000.

A plane flew a total of 2,220 miles. Its average speed was 555 miles per hour. How many hours did the plane fly?

Answers

Ok. I will put my explanation in the answer box because apparently it's not good enough in the comments.

2220 divided by 555 is 4.
We do this equation because we need to find out how many 555 miles go into 2220 miles. The answer is 4, which we need to convert to hours, so it is 4 hours.
1 hour is 555 miles
2 hours are 1110 miles.
3 hours are 1665 miles.
4 hours are 2220 miles which is what we need.

Final answer:

The plane flew a total of 2,220 miles at an average speed of 555 miles per hour. The duration of the flight can be determined by using the formula for time (t = d/v). In our case, the flight took 4 hours.

Explanation:

To calculate the duration of the flight, we can use the following formula for time (t), which is:

t = d/v, where d is the total distance traveled and v is the average speed.

Given our values: d = 2,220 miles and v = 555 miles per hour, plug these into our formula and solve for t (time in hours). So, our calculation becomes: t = 2,220 miles / 555 miles per hour.

The result of this calculation is t = 4hours. Therefore, it took the plane 4 hours to fly a total distance of 2,220 miles at an average speed of 555 miles per hour.