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miv72 [106K]
2 years ago
14

Help me with my math please​

Mathematics
2 answers:
Anastaziya [24]2 years ago
7 0

1. 21:00, 22:10, 1 hr and 10 minutes

2. 20 minutes

3. 18:40

4. 21:35

sergij07 [2.7K]2 years ago
5 0

Step-by-step explanation:

1 _21:00_ , _22:10_, 1:10

2. 1:20

3. 18:00

4. 21:35

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3 years ago
Find the value of x and the length of both chords if BW=2x+10, WD=4, CW=7x+5, and WE=2.
daser333 [38]

Answer:

The value of x is 5

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Step-by-step explanation:

In a circle if two chords intersected at a point inside it there are four segments created, two in each cord, the products of the lengths of the line segments on each chord are equal

∵ BD and CE are two chords in a circle intersected at W

∴ The two segments of chord BD are BW and WD

∴ The two segments of chord CE are CW and WE

- By using the rule above

∴ BW × WD = CW × WE

∵ BW = 2x + 10 and WD = 4

∵ CW = 7x + 5 and WE = 2

- Substitute them in the rule above

∴ (2x + 10) × 4 = (7x + 5) × 2

∴ 4(2x) + 4(10) = 2(7x) + 2(5)

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- Subtract 14x from both sides

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- Subtract 40 from both sides

∴ - 6x = - 30

- Divide both sides by - 6

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5 0
2 years ago
Keith bought a package with 2 l pounds
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1lb

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He bought two lbs of ground beef and used a pound to make hamburgers therefore he has a pound left over.

4 0
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