3 years ago

Sum of two numbers = 14

Mathematics

1 answer:

Solnce55 [7]3 years ago

7 0

It is 10+4
Then 10x4
The difference is 6
So these are the numbers

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nika2105 [10]

Answer:

z=20

Step-by-step explanation:

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2z + 16 +124

2z + 140 = 180

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Viefleur [7K]

Step-by-step explanation:

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The product of a number and 9, increased by 4, is 58. Find the number.

diamong [38]

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4 years ago

Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sees at a constant rate. At this rate, how many dresses does lu

IgorLugansk [536]

Answer:

Lucy sews $\frac{16}{21}$ dresses in 1 hour.

Step-by-step explanation:

Given:

Lucy sews $\frac{4}{7}$ of a dress in $\frac{3}{4}$ hour.

She sews at constant rate.

We need to find the number of dresses she makes in 1 hour.

In $\frac{3}{4}$ hour = $\frac{4}{7}$ dress

So in 1 hour = Number of dresses in 1 hour

By using Unitary method we get;

Number of dresses in 1 hour= $\frac{\frac{4}{7}}{\frac{3}{4}} = \frac{4}{7}\times \frac{4}{3}= \frac{16}{21}$

Hence Lucy sews $\frac{16}{21}$ dresses in 1 hour.

5 0

3 years ago