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gayaneshka [121]
3 years ago
8

Solve for x in the equation x2+4x-4-8.

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
3 0

Answer:

x = 6

x = -2

Step-by-step explanation:

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1. Sam walks 3/8 km to school. After school, he walks another (x+1)/3 km to get to work. What simplified rational expression des
Brilliant_brown [7]

Answer:

The answer to your question is (17 + 8x)/24

Step-by-step explanation:

Data

First distance = 3/8 km

second distance = (x + 1)/3 km

Process

1.- Sum both distances

                    3/8 + (x + 1)/3

- Find the Least common factor

                    8   3   2

                    4   3   2

                    2   3   2

                     1   3   3

                          1

LCF = 2x 2 x 2 x 3 = 24

- Sum the fractions

                  3/8 + (x + 1)/3 = (9 + 8(x + 1)) / 24

-Simplification                                          

                                         = (9 + 8x + 8) / 24

-Result

                                         = (17 + 8x)/24

3 0
3 years ago
Lilly takes a train each day to work that averages 35 miles per hour. On her way home, her train ride follows the same path and
ivann1987 [24]
Lilly's home is 49.22 miles from her work.
3 0
3 years ago
Explain how you know that segment DE is not parallel to segment BC. (Look at the picture)
Andrei [34K]

Answer:

first the segments and second they aren´t lined up all the way parallel lines run side by side forever

Step-by-step explanation:

7 0
3 years ago
Zoe walks at a speed of 10 miles/h and jogs at a speed of 20 miles/h.
ratelena [41]

Answer:

6 minutes

Step-by-step explanation:

20 miles jogs at 1 hour, so for 2 miles,

2/20

= 1/10 hours

= 1/10×60

= 6 minutes

Answered by GAUTHMATH

8 0
3 years ago
A bracelet is exactly 6.97 cm across from one side to the other, through the center. What is the approximate area of the bracele
Vadim26 [7]

Answer:

≈ 38.14 cm²

Step-by-step explanation:

Diameter of circle= 6.97 cm

Area of circle = ?

  • Area = πr² = πd²/4 =
  • 3.14*(6.97)²/4 ≈ 38.14 cm²
3 0
4 years ago
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