3 years ago

How can you subtract mixed numbers when the fraction in the front number is less than the second fraction?

Mathematics

1 answer:

irakobra [83]3 years ago

5 0

U have to find a common denominator

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Jobisdone [24]

Answer:

1.25

Step-by-step explanation:

Because they are equal triangles, all of their sides are equal

so, lets take one side of each triangle (4, 5)

the law:

the scale factor = the larger side ÷ the smaller side

x = 5 ÷ 4

x = 1.25

For checking:

the larger side = the smaller side × the scale factor

Y = 4 × 1.25

Y = 5

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3 years ago

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6^9 x 6^-7 = 6^2

x= -7

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You are making costumes for a play. You have sewn 9 costumes. If you are 30% finished, how many costumes are you sewing?

Veseljchak [2.6K]

here's the solution : -

if i made 9 costumes and it is 30 % of total costumes, so lets take the total number of costumes as x 

so, by above statement we get,

$\frac{30}{100} \times x = 9$

=》

$x = 9 \times \frac{100}{30}$

=》

$x = 30$

so, total number of costumes = 30 costumes.

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2 years ago