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Temka [501]
3 years ago
9

The rectangular backboard of a basketball court needs to be assembled. Its area is given as 18,900 cm2 and the width as 1.8 m.

Mathematics
1 answer:
Alex3 years ago
6 0

Answer:

length=1.05m

perimeter=2.7m

Step-by-step explanation:

18900 in m^2=1.89 m^2

area=length*width

1.89=length*1.8 m

length=1.89÷1.8

length=1.05 m

perimeter=(l+w) 2

perimeter=(1.05+1.8)2

perimeter=2.85×2

perimeter=2.7 m

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Work out the percentage change to 2 decimal places when a price of £57.99 is decreased to £49.99.
IRISSAK [1]

Answer:

Percentage change in price = 13.80%

Step-by-step explanation:

Given that:

Original price = £57.99

Decreased price = £49.99

Difference = Original price - Decreased price

Difference = 57.99 - 49.99

Difference = £8.00

Percent change = \frac{Difference}{Original\ price}100

Percent change = \frac{8.00}{57.99}*100

Percent change in price = 13.80%

Hence,

Percentage change = 13.80%

5 0
3 years ago
Bill and matt are discussing their children. bill tells matt that he has 3 kids, and the product of their ages is 72. he also te
zloy xaker [14]
Bill tells Matt that he has 3 kids. This means that in this item, we have three unknowns, those are the ages of the three kids. First, the product of the ages is 72.
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Also, for the sum of their ages, we have
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4 0
3 years ago
Simplify the equation √5 + √5​
Ronch [10]

You can treat sq rt5 as a variable even though it is a number:

Ex: x + x = 2x

Or as a number: 5 + 5 = 10 or 2(5)

So sq rt5 + sq rt5 = 2sq rt5

4 0
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The angles below.........screenshot...
eduard
UW is a diameter.
(a). Angle UVX = 23 degrees
(b). Angle UWV = 23 degrees
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Rewrite equation in Ax+By=C form.<br> y-5=2(x-6)
Semenov [28]

Answer:

2x-y=7

Step-by-step explanation:

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8 0
3 years ago
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