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Ray Of Light [21]
3 years ago
9

What’s the solution

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
5 0

Answer:

±5

±25

Step-by-step explanation:

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4. ABCD below is a rectangle. BE=6x+2 and ED=4x+6. Find the length of AC.
Nikolay [14]

Answer:

28 units

Step-by-step explanation:

ABCD is a rectangle. AC and BD are diagonals intersecting at point E.

Diagonals of a rectangle bisect each other.

\therefore BE = ED

\therefore 6x + 2 = 4x + 6

\therefore 6x - 4x= 6-2

\therefore 2x= 4

\therefore x= \frac{4}{2}

\therefore x= 2

\therefore 6x + 2= 6*2+2= 12+2= 14

\therefore BE= 14\: units

\because BD = 2BE

\therefore BD = 2(14)= 28\: units

\because AC = BD (diagonals of a are equal in measure)

\therefore AC = 28\: units

8 0
3 years ago
Fill in the other coordinate for the line y=7/2x +6 (-3
erik [133]
We have the following equation:
 y = 7 / 2x +6
 For this case, what we must do is replace the value of x = -3 in the given equation.
 We have then:
 y = (7/2) * (- 3) +6
 y = -4.5
 Therefore, the other coordinate is:
 (-3, -4.5)
 Answer:
 
(-3, -4.5)
3 0
4 years ago
The circle graph below shows the scores of the latest math test. It represents 32 students. Approximately how many students earn
QveST [7]

Answer:

20

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
POINTS!!!!!!
Mamont248 [21]

Answer:

  7.7 seconds

Step-by-step explanation:

Put the given height into the formula and do the arithmetic.

  t = √(290.57/4.9) = √59.3 ≈ 7.7 . . . seconds

The object will take 7.7 seconds to hit the ground.

7 0
3 years ago
Mark earned $48. He spent $6 and saved the remaining money.
Mekhanik [1.2K]

Answer:

1:7

Step-by-step explanation:

5 0
3 years ago
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