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Vikki [24]
3 years ago
12

Express 40 % as a simplified ratio

Mathematics
2 answers:
jeka57 [31]3 years ago
4 0

Answer:

2/5

Step-by-step explanation:

Percent means out of 100

40/100

Divide top and bottom by 20

40/20 =2

100/20 = 5

The reduced fraction is 2/5

maks197457 [2]3 years ago
3 0

Answer:

2:5

Step-by-step explanation:

Since 40% is basically 40:100, You can scale it down by a factor of 20, giving you 2:5.

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Twenty- four . .......

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How do you break fractions into decimals
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You divide the numerator by the denominator
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The length of a rectangle is 5 inches more than the width. The area is 33 square inches. Find the length and width . Round to th
EleoNora [17]

Answer:

the length and width . Round to the nearest tenth are 8.8 inches and 3.8 inches respectively.

Step-by-step explanation:

The area A of a rectangle is the product of the length L and width W. This may be expressed mathematically as

A = L * W

As such, given that the length is 5 inches more than the width,

L = W + 5

33 = W(W + 5)

W² + 5W  - 33 = 0

Using the formula method which states that

s = -b±√(b²-4ac)/2a

W = -5 ± √5² - 4(1)(-33)/2

= -5 ± 12.53/2

= 7.53/2 (since length cannot be negative)

= 3.755 inches

L = 3.755 + 5

= 8.755 inches

6 0
3 years ago
At a dinner, one meal cost $22 and a sales tax of $1.87 was added to the bill.
raketka [301]

Answer:

5.61; 8.5 %

Step-by-step explanation:

Tax = $1.87 per $22 meal

For a $66 meal,

Tax = 66 × 1.87/22

Tax = 3 × 1.87

Tax = $5.61

=====

Tax rate = 1.87/22 × 100

Tax rate = 0.085 × 100

Tax rate = 8.5 %

3 0
3 years ago
What is the graph description for y=-10x
Serga [27]
Y = - 10x has a negative slope, m = -10, and a y-intercept of (0, 0).

The graph includes the following points:

{(-2, 20), (-1, 10), (0, 0), (1, -10), (2, -20)}.

Attached is a screenshot of the graph, where it includes the y-intercept crossing along the point of origin, (0, 0).

Please mark my answers as the Brainliest, if you find this helpful :)

8 0
2 years ago
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