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nydimaria [60]
4 years ago
7

Rearrange this to make a the subject

Mathematics
2 answers:
Alex17521 [72]4 years ago
8 0

Answer:

a =  \frac{w + 4 - 3b}{6}

Step-by-step explanation:

w = 3(2a + b) - 4 \\ w  +  4 = 6a + 3b \\ w  + 4 - 3b = 6a \\  \frac{w  +  4 - 3b }{6}  =  \frac{6a}{6}  \\  \\ a =  \frac{w + 4 - 3b}{6}

lyudmila [28]4 years ago
7 0

Answer:

w = 3(2a + b) - 4

w = 6a + 3b - 4

a = (w - 3b + 4) / 6

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S
zzz [600]

Answer:

x = 4

Step-by-step explanation:

A trapezium is a quadrilateral (has four sides and four angles) with one pair of parallel sides. A trapezium is said to be isosceles if the bases are parallel, the two other sides known as the legs are equal and diagonals of the trapezium are equal to each other.

In trapezoid ABCD, BC and AD are the diagonals.

Hence BC = AD (property of isosceles trapezoid)

9x + 1 = 12x - 11

Simplifying:

12x - 9x = 1 + 11

3x = 12

Dividing both sides by 2:

x = 4

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3 years ago
7. A cylinder and its dimensions are shown below. -18 cm 13.5 cm Which measurement is closest to the lateral surface area of the
Mars2501 [29]

Answer:

A 763cm

Step-by-step explanation:

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3 years ago
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8 0
3 years ago
Nari says, "The sum of 10 and one-third of a number is 25." She uses the bar model to write an equation to represent her
Mariana [72]

Answer:

25=10+\frac{1}{3}n.

Step-by-step explanation:

It is given that the sum of 10 and one-third of a number  is 25.

Let as consider n be the unknown number.

One-third of a number =\frac{1}{3}n

Sum of 10 and one-third of a number =10+\frac{1}{3}n

The sum of 10 and one-third of a number  is 25. It can be written as

25=10+\frac{1}{3}n

Therefore, the required equation is 25=10+\frac{1}{3}n.

4 0
3 years ago
Read 2 more answers
The average monthly rent for a? 1000-sq-ft apartment in a major metropolitan area from 1998 through 2005 can be approximated by
Lunna [17]

Answer:

  t = 1.107

Step-by-step explanation:

Finding the solution using derivatives involves finding the lower zero of the quadratic that is the second derivative of the given function. That second derivative will be ...

  f''(t) = 12(1.6714)t^2 -6(22.45)t +2(62.27)

  = 20.0568t^2 -134.7t +124.54

  = 20.0568(t -3.35796)² -101.619 . . . . rewrite to vertex form

Then f''(t) = 0 when ...

  t ≈ 3.35796 -√(101.619/20.0568) ≈ 1.10706

__

The solution is perhaps more easily found using a graphing calculator to find the peak of the first derivative. (See attached.) It tells us ...

  t ≈ 1.107

1.1 years after the beginning of 1998 is about 1.2 months into 1999.

Rents were increasing most rapidly in early February of 1999.

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3 years ago
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