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schepotkina [342]
3 years ago
8

Please help it’s due!

Mathematics
2 answers:
BigorU [14]3 years ago
7 0

Answer:

Step-by-step explanation:

H

REY [17]3 years ago
3 0

Answer:

the triangulation trajectory is undefied

Step-by-step explanation:

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Hi, could someone please help me with this Math problem, Thank you.
Naddik [55]
<h3>Explanation:</h3>

18. The 5 only needs to be "distributed" to terms that are inside the parentheses where 5 is on the outside. Here, the only term in the parentheses is 2x. Anne apparently also multiplied -3 by 5, erroneously. The -3 term is not inside the parentheses, so should be left alone when "distributing" the 5.

The left side of the equation simplifies to 10x -3, so Anne should have had ...

  10x -3 = 20x +15

  -18 = 10x . . . . . . . . . add -15-10x

  -1.8 = x . . . . . . . . . . divide by 10.

The solution is x = -1.8.

___

19. Procedure: Subtract the right side of the equation from both sides. Use the distributive property as many times as necessary to eliminate parentheses. Collect terms. Divide by the coefficient of x. Subtract the constant.

  5[3(x+4) -2(1 -x)] -x -15 = 14x +45 . . . . . . . original equation

  5[3(x+4) -2(1 -x)] -x -15 -14x -45 = 0 . . . . . right side subtracted

  5[3x+12 -2 +2x] -x -15 -14x -45 = 0 . . . . . . inner parentheses eliminated

  15x +60 -10 +10x -x -15 -14x -45 = 0 . . . . . outer parentheses eliminated

  (15 +10 -1 -14)x +(60 -10 -15 -45) = 0 . . . . . like terms associated

  10x -10 = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . simplified

  x - 1 = 0 . . . . . . . . . divide by the coefficient of x

  x = 1 . . . . . . . . . . . . subtract -1 (same as add 1)

The solution is x = 1.

5 0
4 years ago
Put the following equation of a line into slope-intercept form, simplifying all
Black_prince [1.1K]

 

y  =  m x  +  b . y  =  6 x  −  7

Hope this helped!

8 0
3 years ago
Read 2 more answers
Three friends go out to lunch. They decide to share the $11.91 bill evenly. How much does each friend pay?
aksik [14]

Answer: $3.97

Step-by-step explanation:

\frac{11.91}{3}=3.97

6 0
3 years ago
Read 2 more answers
Which could be the lengths of the
iVinArrow [24]
Answer:
D

Explanation:
When u try to find the lengths of a right triangle you use the formula c = √(a² + b²). When you use the formula you take your TWO smallest numbers which is 12.5 and 30 you would plug it in the formula and solve and when you solve you should get 32.5. I checked my answer on a calculator to make sure it was right so js look at the picture below : )

8 0
3 years ago
Question 4
boyakko [2]
15 km = 5 trips
3km = 1 trip
24 km = 8 trips
3 0
3 years ago
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