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Finger [1]
2 years ago
13

A=lw+wh+lh, solve for w

Mathematics
2 answers:
KIM [24]2 years ago
6 0
Subtract what is to the right of the equal sign form both side of the equation  but any way the answer is 0
antoniya [11.8K]2 years ago
5 0
      A = lw + wh + lh   Subtract lh from both sides
A - lh = lw + wh          Factor out the w
A - lh = w (l + h)          Divide both sides by (l + h)
\frac{A - lh}{l + h} = w   Switch the sides to make it easier to read
w = <span>\frac{A - lh}{l + h}</span>
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Hannah is at the supermarket to buy carrots and potatoes. If she buys 2 pounds of carrots and 3 pounds of potatoes, it will cost
zhenek [66]

Answer:

Carrots cost $ 1.75 a pound which is more than potatoes cost.

Step-by-step explanation:

Let,

Carrots cost $ x per pound and potatoes cost $ y per pound.

Buying 2 pounds of carrots  and 3 pounds of potatoes will cost her

$ (2\times x + 3\times y)

and

Buying 4 pounds of carrots and 4 pounds of potatoes will cost her

$ (4\times x + 4\times y)

According to the question,

(2\times x + 3\times y) = 8-----(1)

(4\times x + 4\times y) = 13-----(2)

multiplying (1) by 2 we get,

(4\times x + 6\times y) = 16-----(3)

Deducting (2) from (3) we get,

2\times y = 3

⇒ y = \frac{3}{2} = 1.5------------------(4)

Putting value of y in (1) we get,

(2\times x = 8 - 3\times 1.5) = 3.5

⇒  x =\frac{3.5}{2} = 1.75 ------------(5)

8 0
3 years ago
A square has an area of 36 cm. how long is one of its sides?
Leokris [45]
The correct answer would be 6.

To figure this out, you take the square root of 36 since area of a square is side x side.
8 0
3 years ago
What is the greatest common factor of 30,48,60
nydimaria [60]
The greatest common factors of 30,48,60 is 6.
4 0
3 years ago
Point P(−3, −4) is rotated 90° counterclockwise about the origin. What are the coordinates of its image after this transformatio
andreyandreev [35.5K]

The 90° CCW transformation is

... (x, y) ⇒ (-y, x)

For your point, this is ...

... (-3, -4) ⇒ (-(-4), -3) = (4, -3)

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What boxes?

3 0
3 years ago
Read 2 more answers
What is the gcf of 27 and 72
Leya [2.2K]

Answer:

The GCF of 27 and 72 is 9

Step-by-step explanation:

prime factorization of 27 is 3*3*3

prime factorization of 72 is 2*2*2 by 3*3

3*3 is in both, and so we need to multiply that to get our GCF. 3*# is 9, so the GCF of 27 and 72 is 9

8 0
3 years ago
Read 2 more answers
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