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Marysya12 [62]
3 years ago
15

21. Which property is used to simplify the expression 5(3x + 18) to 152 + 90?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
3 0
You distribute your 5 to 3x and 18 heirij irn is
You might be interested in
Write an equation for the line that is parallel to y = 2x + 6 and passes through (-1,5).
Fantom [35]

Answer:

y=2x+7

Step-by-step explanation:

A linear equation is typically organized in the form y=mx+b, where m is the slope of the line and b is the y-intercept (the y-coordinate of the point on the line that crosses the y-axis).

Parallel lines <em>always</em> have the same slope. When we examine the given equation, y=2x+6, we can identify immediately that 2 is in the place of m, the slope. This means that the slope of the line we're trying to solve for is also 2. So far, our equation looks like this:

y=2x+b

The last thing we need to calculate is b, the y-intercept. We can do this by plugging in the given point (-1,5) as x and y.

y=2x+b

5=2(-1)+b

5=-2+b

Add 2 to both sides to isolate b

5+2=-2+b+2

7=b

Now that we know b, we plug that into our original equation and now we have a final equation of:

y=2x+7

I hope this helps!

6 0
3 years ago
Will Upvote !!!!!!!!!!!!!!!!!!
natulia [17]
They would be equal here!
So, 6x - 2 = 10x - 30
= 10x - 6x = 30 - 2
4x = 28
x = 28/4
x = 7

In short, Your Answer would be 7

Hope this helps!
6 0
3 years ago
Ana has 296 coins in her coin collection. She put the same number of coins in each of 7 jars. About how many coins are in each j
Grace [21]
Well you have to divide 296 by 7 and when you do that you get 42.28, that is your answer.
7 0
3 years ago
I need help, quick, it's Algebra but super easy, thank you.
horsena [70]
16 - 2(2w + 1) = 8w - 2(8+w)
     16 - 4w - 2 = 8w - 16 - 2w
       - 4w + 14 = 6w - 16
                  14 = 10w - 16
                  30 = 10w
                  /10    /10
                     3 = w

I think so lol
3 0
3 years ago
Read 2 more answers
M(6, 6) is the midpoint of . The coordinates of S are (8, 9). What are the coordinates of R?
Sidana [21]
\bf \textit{middle point of 2 points }\\ \quad \\&#10;\begin{array}{lllll}&#10;&x_1&y_1&x_2&y_2\\&#10;%  (a,b)&#10;R&({{ x}}\quad ,&{{ y}})\quad &#10;%  (c,d)&#10;S&({{ 8}}\quad ,&{{ 9}})&#10;\end{array}\qquad&#10;%   coordinates of midpoint &#10;\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)

\bf \left( \cfrac{8+x}{2}~~,~~\cfrac{9+y}{2} \right)=\stackrel{midpoint}{M(6,6)}\implies &#10;\begin{cases}&#10;\cfrac{8+x}{2}=6\\\\&#10;8+x=12\\&#10;\boxed{x=4}\\&#10;----------\\&#10;\cfrac{9+y}{2}=6\\\\&#10;9+y=12\\&#10;\boxed{y=3}&#10;\end{cases}
6 0
3 years ago
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