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sashaice [31]
3 years ago
5

Simplify the expression.

Mathematics
1 answer:
Amanda [17]3 years ago
8 0

Answer:

-1.8f - 19

Step-by-step explanation:

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PLEASE HELP!!!
Morgarella [4.7K]

Answer:

A

Step-by-step explanation:

mid point of AC=((2m+2p)/2,(2n+2r)/2)=(m+p,n+r)

4 0
3 years ago
You bike 11.2 miles in 1.4 hours at a steady rate. What equation represents the proportional relationship between the x hour you
Elis [28]

Answer:

\frac{x}{y}=8

Step-by-step explanation:

Let the time for which i bike is = x hours

Let the distance traveled in x hours = y miles

Ratio of distance and time will be = x : y

I travel 11.2 miles in 1.4 hours then the ratio of time and the distance traveled will be 1.4 : 11.2 Or 14 : 112

then the ratio of distance and time will be same in both the cases

So equation will be

\frac{x}{y}=\frac{14}{112}

\frac{x}{y}=8

Therefore, equation representing the proportional relationship will be

\frac{x}{y}=8

5 0
2 years ago
The three sides of a triangle are n, 3n+3, and 2n+11. If the perimeter of the triangle is 50 inches, what is the length of each
mylen [45]

Answer:

6, 21, and 23 inches

Step-by-step explanation:

The perimeter of a triangle is equal to the sum of all side lengths in that triangle. We're given the perimeter as 50 inches, and the side lengths as n, 3n + 3, and 2n + 11.

  • This means that we can algebraically solve the equation n + 3n + 3 + 2n + 11 = 50

Step 1: Combine like terms.

  • (n+3n+2n) + (3+11) = 50
  • 6n + 14 = 50

Step 2: Subtract 14 from both sides.

  • 6n + 14 - 14 = 50 - 14
  • 6n = 36

Step 3: Divide both sides by 6.

  • 6n/6 = 36/6
  • n = 6

Step 4: Plug in the value of n as 6 in each side.

  • (6) + (3(6) + 3) + (2(6)+11) = 50
  • (6) + (18+3) + (12+11) = 50
  • (6) + (21) + (23) = 50  

Therefore, the side lengths are 6, 21, and 23 inches.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

6 0
2 years ago
There are 11 students in your class. In how many ways a group of 4 students will be
Jlenok [28]

Answer:

Step-by-step explanation:

If you are always included to lead, that leaves 10 students to choose from.

If all that is important is being selected, then there are 10C3 = 120 ways to choose them.

If each selection has a unique duty, then there are 10P3 = 720 ways to assign them their jobs.

3 0
2 years ago
Read 2 more answers
PLZ I NEED HELP WITH THIS QUESTION
Salsk061 [2.6K]
What question nothing there and I need point so
5 0
3 years ago
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