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Bas_tet [7]
3 years ago
6

Simplify the expression 13+(x+8). 13+(x+8)=

Mathematics
1 answer:
masha68 [24]3 years ago
6 0

Answer:

x+24

Step-by-step explanation:

Step 1: Combine like terms :)

That's your only step.

See attachment for more in-depth explnation.

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Write the slope-intercept form of the equation of each line.
gregori [183]

Greetings!

Answer:

2y = x - 6

Step-by-step explanation:

First, we must find the slope of the current equation.

This is the number in front of the x.

Seeing as this is -2x, the slope of this line is -2

When finding the slope of a line perpendicular, you need to find the \frac{-1}{slope}

So, in this case it is:

\frac{-1}{-2}

The negatives cancel out which leave \frac{1}{2}

So the gradient is \frac{1}{2}


Now, to find the equation of a line, you need to use:

y - y1 = m(x - x1)

Where ya and x1 are the values in the coordinates (2 , -2)

So y1  = -2, x1 = 2, and m is a half. Plug these values in:

y - - 2 = \frac{1}{2}(x - 2)

We need to get rid of the half so we multiply the whole equation by 2:

2y - - 4 = (x - 2)

The minus and the negative turn into a positive:

2y + 4 = x - 2

And now simply move the +4 over to the other side, making it a negative:

2y =  -2 - 4 + x

Simplify:

2y = x - 6

<h3>So the equation of the line is 2y = x - 6</h3>
<h2>Hope this helps!</h2>
5 0
3 years ago
Express the ratio below in its simplest form.1:1.5<br>​
Soloha48 [4]

Answer:

that is the simplest form

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What are trinomials........
Andrews [41]

In elementary algebra, a trinomial is a polynomial consisting of three terms or monomials

hope this helped <3

3 0
3 years ago
Find the measure of angles JGH. Explain or show your reasoning
boyakko [2]
JGH is equal to 150degrees because angle JGF is 30degrees 180 - 30 = 150
6 0
4 years ago
Read 2 more answers
The diameter of the moon is about 3500 km. Approximate the surface area of the moon using the formula for the surface area of a
sleet_krkn [62]

Answer:

3.8465 *10^7 square kilometers

Step-by-step explanation:

The surface area of a sphere can be found using the formula SA=4\pi r^2. Since the diameter is 3500 km then its radius is half of this. 3500 divided in two is 1,750 units. Substitute r=1,750.

SA=4\pi r^2\\SA = 4 \pi (1750)^2\\SA = 4 \pi *3,062,500\\SA =38,465,000

The surface area of the moon is about 38,465,000 square kilometers. Write this is scientific notation using base. 3.8465 *10^7

4 0
3 years ago
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