3 years ago

3x – 5 = 2(-6x – 1) 3 -3 1/5 -1/5

Mathematics

1 answer:

klasskru [66]3 years ago

8 0

Answer: your answer would be 3

Step-by-step explanation:

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What is the value of n in the simplified expression? (4k7)3= 4n ·(k7) 3= 64k21

Nesterboy [21]

Given:
(4k⁷)³ = 4n(k⁷)³

Note that (aˣ)ⁿ = aˣⁿ

Expand the left and right sides.
4³k²¹ = 4nk²¹
Divide each side by k²¹.
4³ = 4n
Divide each side by 4.
4² = n
Therefore
n = 4² = 16

Answer: n = 16

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3 years ago

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How many whole-number solutions does the inequality |x-5|≤8 have?

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The answer is -3 to 13

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3 years ago

Slope = -1, y-intercept = 3

andreev551 [17]

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3 years ago

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kodGreya [7K]

Hi I don’t really understand can you explain a little bit please

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2 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.

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3 years ago