Factor by using the distributive property: 8x - 4y + 20.

Mathematics

1 answer:

STatiana [176]3 years ago

6 0

D since if you just use the prophet

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give the equation of a line that goes through the point (-4,-1) and is parallel to the line -3x+5y=-10

Zarrin [17]

Answer:

$y=\frac{3}{5} x+\frac{7}{5}$

Step-by-step explanation:

1) the equation of the given line in the slope-interception form is:

y= 3/5 x -2;

the equation of the required line is

y=slope*x+i;

2) if the required line is parallel to the given one, it means, the value of its slope is the same, it means 3/5;

then the equation of the required line is

y=3/5*x+i;

3) if the point (-4;-1) belongs to the required line, then it is possible to substitute its coordinates into the equiation of the required line

-1= 3/5*(-4)+i;

4) it is possible to calculate the value of 'i':

i=7/5;

5) if slope=3/5, i=7/5, then the required equation of the line in slope-interception form is:

$y=\frac{3}{5} x+\frac{7}{5}.$

3 0

3 years ago

6-12x2<br> also Round it to the nearest tenth.

Zina [86]

Answer:

-10

Step-by-step explanation:

ez?

4 0

3 years ago

The Carousel in the National Mall has 4 rings of horses. Kelly is riding on the inner ring, which has a radius of 9 feet. Maya i

Alexeev081 [22]

Maya travels $4.19 feet/sec$ faster than Kelly !

Difference in distance is : $106.76-56.52 = 50.24 feet$

<u>Step-by-step explanation:</u>

Here we have , The Carousel in the National Mall has 4 rings of horses. Kelly is riding on the inner ring, which has a radius of 9 feet. Maya is riding on the outer ring, which is 8 feet farther out from the center than the inner ring is. We need to find In one rotation of the carousel, how much farther does Maya travel than Kelly . Let's find out:

Kelly is riding on the inner ring, which has a radius of 9 feet

Total distance traveled by Kelly is circumference of circle with radius 9 feet i.e.

⇒ $Distance = 2\pi r$