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fomenos
2 years ago
13

Which linear function shows a direct variation

Mathematics
1 answer:
Novay_Z [31]2 years ago
4 0

Answer:

a pod t.v. Ka ssh Mic yummy

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1. Given line segment RB and on it is point C, if RB = 45 and CB = 3x - 12 and RC = 2x + 9, what is the value of x?
marshall27 [118]

Answer:

Step-by-step explanation:

1). If a point C is lying on a line segment RB,

   Then RB = RC + CB

   Since, RB = 45, CB = 3x - 12 and RC = 2x + 9

   45 = (2x + 9) + (3x - 12)

   45 = (2x + 3x) - 3

   48 = 5x

   x = \frac{48}{5}

   x = 9.6

2). Since, RC = 2x + 9

    RC = 2(9.6) + 9

          = 19.2 + 9

          = 28.2 units

3). Distance between the two points (x_1,y_1) and (x_2,y_2) is given by the formula,

  d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

  Distance between the points A(2, -2) and D(-2, 2) will be,

 AD=\sqrt{(2+2)^2+(-2-2)^2}  

         = \sqrt{16+16}

         = 4\sqrt{2}  

         = 5.657

         ≈ 5.66 units

7 0
3 years ago
Abby is trying to pay off her debt. She owes $422 to her bank. In may she paid $76, but had to borrow an additional $135. In Jun
RoseWind [281]

Answer:

604

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the lengths of the segments with variable expressions.
Luba_88 [7]

Answer:

Step-by-step explanation:

By the trapezoid midsegment theorem,

2x = (x-6) + (2x-8)

2x = x - 6 + 2x - 8

2x = 3x - 14

x = 14

So we know AD = 8, EF = 14, and BC = 20

8 0
2 years ago
Help I need answers now
Juli2301 [7.4K]

Answer:

<u>The Answer in Exact Form:</u>

-3/22

<u>In Decimal Form:</u>

-0.136

Step-by-step explanation:

-\frac{3}{2}÷5\frac{1}{2}=-3/22

8 0
3 years ago
7x2 - 5x+3<br> + 2x2 + 7x-8
daser333 [38]

Answer:G

Step-by-step explanation:

LINOIOIBVUYVTVUYYYYYB

6 0
3 years ago
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