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Bumek [7]
3 years ago
8

Write the umber 10.5 in the form a/b

Mathematics
2 answers:
Allushta [10]3 years ago
5 0

Answer:

\frac{21}{2}

Step-by-step explanation:

The given number is 10.5.

We need to write the given number in the form of a/b.

Multiply an divide the given number by 10 to remove the decimal.

10.5\times \frac{10}{10}

\frac{10.5\times 10}{10}

\frac{105}{10}

It can be written as

\frac{5\times 21}{5\times 2}

Now cancel out common factors.

\frac{21}{5}

Therefore, the fraction form of given number is \frac{21}{2}.

Dafna11 [192]3 years ago
3 0
The umber  10.5  can be written as

==>  21 / 2

==>  42 / 4

==>  63 / 6

==>  84 / 8

==>  105 / 10

and many, many other ways.

They ALL have the same value.

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Margaret is planning a rectangular garden. Its length is 4 feet less than twice its width. Its area is 170ft^2. what are the dim
bogdanovich [222]
If you would like to know the dimensions of the garden, you can calculate this using the following steps:

length ... (2 * x - 4) feet
width ... x feet
area ... 170 ft^2

area = length * width
170 = (2 * x - 4) * x
170 = 2 * x * x - 4 * x
170 = 2 * x^2 - 4 * x
0 = 2 * x^2 - 4 * x - 170     /2
0 = x^2 - 2 * x - 85
1. x = 1 - sqrt(86) = -8.27
2. x = 1 + sqrt(86) = 10.27

length: 2 * x - 4 = 2 * 10.27 - 4 = 16.54 feet
width: x = 10.27 feet

The dimensions of the garden are 16.54 feet and 10.27 feet.
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4 years ago
Write the equation of the linear function that generates the table below.
anastassius [24]
The answer is A

y= 0.3x + 2.9
3 0
3 years ago
4x4+4x3-9x2-x+2 = x-1
dangina [55]

Answer:

x= 13/2

Step-by-step explanation:

multiply   4x4+4x3-9x2-x+2=x-1

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divide both sides   -2x=-13

solution   x=13/2

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If ∠ECD = 45° and ∠BED = 110° is ΔABE ~ ΔCDE? If so, by what criterion?
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Answer:

is there A B C choice or ?

Step-by-step explanation:

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