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timurjin [86]
3 years ago
14

The length of a rectangle is four times its width.

Mathematics
1 answer:
s2008m [1.1K]3 years ago
5 0

Answer:

  • length 32 cm
  • width 8 cm

Step-by-step explanation:

Let w represent the width. Then the length is 4w and the perimeter is ...

  P = 2(length +width)

  80 = 2(4w +w) = 10w . . . . substitute given values

  8 = w . . . . . . . divide by 10

  length = 4w = 4·8 = 32

The length is 32 cm; the width is 8 cm.

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PLEASE HELP! <br> m∥n m∠1 = 50°, m∠2 = 48°, and line s bisects ∠ABC What is m∠3 ?
elena-14-01-66 [18.8K]

Answer:

m∠3 = 49°

Step-by-step explanation:

From the picture attached,

lines m and n are the parallel lines and line t is a transversal line intersecting these parallel lines at E and B respectively.

Therefore, ∠DEF ≅ ∠ABC [Exterior alternate angles]

m∠1 + m∠2 = m∠4 + m∠5

m∠4 = m∠5 [line s bisects ∠ABC]

50° + 48° = m∠4 + m∠4

98° = 2m∠4

m∠4 = 49°

Since, ∠4 ≅ ∠3 [Vertically opposite angles]

m∠3 = 49°

4 0
3 years ago
Help help help help
lilavasa [31]

Answer:

20 -5(3t)

Step-by-step explanation:

t = time

7 0
3 years ago
Read 2 more answers
After earning interest,the balance of an account is $420. The new balance is 7/6 of the original balance. How much interest did
storchak [24]
420=7/6x

The 6, who was under / now goes across the equal sign with * value.
420*6 =7x
2520 = 7x
Now the 7, who is under * value, goes across the equal sign with / value, so
2520/7 = x
x= 360.

420-360 = 60
It earned $60 of interest.
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4 years ago
A theater charges $5.25 per ticket. The theater has already sold 40 tickets. Write and solve an inequality that represents how m
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37 more tickets
explanation:
40 x $5.25 = $210
77 x $5.25 = $404.25
77-40=37
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3 years ago
75x what gives me 370
Andrews [41]

Answer:

4.93*75=370

Step-by-step explanation:

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3 years ago
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