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rodikova [14]
3 years ago
8

3 friends' meals at a resuraunt cost $13 $14 and $11. Use perentheses to write two diffrent expressions to show how much they sp

ent in all. Wich property does you pair of expressions demonstrate?
Mathematics
1 answer:
klemol [59]3 years ago
8 0

Answer:

38

Step-by-step explanation:

(11+13)+14

11+13=24

24+14=38

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Brainliest 25pts Bad answers = insta-report, if you dont understand dont answer the question. Must give statement and reason
Klio2033 [76]

9514 1404 393

Explanation:

We can find the slope by solving for y.

  3x +2y +7 = 5x +3y +10

  -2x -3 = y . . . . . . . . . . . . . add -5x-10-2y to both sides of the equation

In this form, the slope (m) is the coefficient of x, -2. Hence m = -2.

__

<em>Alternate solution</em>

A graph of the equation shows it has an x-intercept of -1.5 and a y-intercept of -3. The slope (m) is then "rise" divided by "run", or ...

  m = rise/run = -3/1.5

  m = -2

4 0
3 years ago
Five friends each spent the same amount of money, x, on school supplies. They expected to spend a total of $130, but the actual
Nadusha1986 [10]

Answer:

its the second option

Step-by-step explanation:

hope this helps

8 0
3 years ago
Read 2 more answers
Find the slope of the line that contains (-1,9) and (9,9).
Artyom0805 [142]

Answer:

0

Step-by-step explanation:

When we have 2 points, we can find the slope from

m = (y2-y1)/(x2-x1)

   = (9-9)/(9--1)

   = 0/(9+1)

    = 0/10

   0

5 0
3 years ago
Read 2 more answers
You have a handful of dimes and quarters that totals 26 coins and is worth $5.15. How many of each do you have?
borishaifa [10]

Answer:

9 dimes and 17 quarters

Step-by-step explanation:

9+17=26 coins

9 dimes = 90 cents

17 = 425 cents

90+425= 515 cents or $5.15

Hope this helps! :)

5 0
2 years ago
How can you find this distance (-3,7),(0,4) in words
Bezzdna [24]

Answer:

The distance between these two given points is:

3\sqrt{2}

Step-by-step explanation:

We are given two points:

(-3,7),(0,4)

<em>The distance between two points (a,b) and (c,d) is given by the distance formula as:</em>

<em>\sqrt{(c-a)^2+(d-b)^2</em>

similarly we can find the length of a line segment by considering the distance between the end points of the line segment.

So here (a,b)=(-3,7)

and (c,d)=(0,4).

Hence distance between these two points is given by:

\sqrt{(0-(-3))^2+(4-7)^2}=\sqrt{(3)^2+(-3)^2}=\sqrt{9+9}\\   \\=\sqrt{18} \\\\=3\sqrt{2}

6 0
3 years ago
Read 2 more answers
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