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sesenic [268]
2 years ago
13

Given: three halves times x minus ten equals fifty

Mathematics
1 answer:
yawa3891 [41]2 years ago
6 0

Answer:

  • Reason 4

Step-by-step explanation:

All the reasons are correct apart from the 4th.

Step 4 involves <u>multiplication</u> of both sides by (2/3). Thee reason given is: "<u>Division</u> property of equality", which is wrong as division is not applicable.

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Question 28
alexandr402 [8]

Answer:

Given Rate of interest is r=8%=0.08

Principal Amount is A=5,000

Time is t years

Interest is compounded yearly twice ⟹n=2

Amount =P(1+

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nt

=5000×(1+

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2t

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A line passes through the point (3,1) and has a slope of 2.<br><br> what is the y-intercept?
Valentin [98]
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TiliK225 [7]

68 ( p+11 bc when u add 12 +48 u get 68 and then u times it by 22 it's that what's u get

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2 years ago
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A rectangle and a square have the same area. a. The width of the rectangle is w inches. The length of the rectangle is 15 inches
harkovskaia [24]

9514 1404 393

Answer:

  a) w(4w-15)

  b) w²

  c) w(4w -15) = w²

  d) w = 5

  e) 5 by 5

Step-by-step explanation:

a) If w is the width, and the length is 15 less than 4 times the width, then the length is 4w-15. The area is the product of length and width.

  A = w(4w -15)

__

b) If w is the side length, the area of the square is (also) the product of length and width:

  A = w²

__

c) Equating the expressions for area, we have ...

  w(4w -15) = w²

__

d) we can subtract the right side to get ...

  4w² -15w -w² = 0

  3w(w -5) = 0

This has solutions w=0 and w=5. Only the positive solution is sensible in this problem.

The side length of the square is 5 units.

__

e) The rectangle is 5 units wide, and 4(5)-15 = 5 units long.

The rectangle and square have the same width and the same area, so the rectangle must be a square.

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3 years ago
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