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3 years ago

What is 4 divided by 3/5

Mathematics

1 answer:

saul85 [17]3 years ago

7 0

4 divided by 3/5

pretend that 4 has a denominator which is 1

4/1 divided by 3/5

when dividing always flip over the second fraction

4/1*5/3

multiply the numerators together

4*5=20

multiply the denominators together

1*3=3

answer:

20/3 or 6 2/3

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4 years ago

A student concluded that the inequality −3+2y≤4x is equivalent to the inequality y≥2x+32, as shown below. Describe and correct t

timofeeve [1]

Answer:

$-3 +2y \leq 4x$

$2y \leq 4x+3$

$y \leq 2x + \frac{3}{2}$

And that's different from the claim of the student that:

$y \geq 2x +\frac{3}{2}$

The error of the student is that he/she changes the sign of the inequality from $\leq$ to $\geq$ and that's not possible since we don't multiply both sides of the equation by -1

Step-by-step explanation:

For this case we have the following inequality:

$-3 +2y \leq 4x$

We want to rewrite the last expression with y in the left and x in the right so we can begin adding 3 in both sides of the inequality and we got:

$2y \leq 4x+3$

Now we can divide both sides of the inequality by 2 and we got:

$y \leq 2x + \frac{3}{2}$

And that's different from the claim of the student that:

$y \geq 2x +\frac{3}{2}$

The error of the student is that he/she changes the sign of the inequality from $\leq$ to $\geq$ and that's not possible since we don't multiply both sides of the equation by -1

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3 years ago

Help me help me help me

gulaghasi [49]

Answer:

The ratio is 5:4 and the only one that fits is 25,20 so that's the answer.

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

HELP!!! i need it asap, thank you

Step2247 [10]