3 years ago

PLEASE TELL ME WICH ONE

Mathematics

1 answer:

kakasveta [241]3 years ago

5 0

Answer:

Second Choice $\left(-\frac68, \frac28\right)$

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Convert to a mixed number 18/4 4 18

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The answer is: 4 1/2

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I'm super confused. Can anybody answer while writing the steps?

kvv77 [185]

The formula for desnity is d= m/v (mass over volume), so

1) 0.18 = 240/v Plug in the numbers you have (0.18 being the density and 240 being the volume)

2) 0.18(240) = 240/v(240) multiply 240 on each side to get rid of the 240 on the right side of the equation.

3) 43.2 = m

So, the formula would be d=m/v and m= 43.2

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What is the length of ef and the measure of d?

Natalka [10]

The sum of angle D and the given angle should 90 so: 90 - 47 = 43 So D is 43.

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3 years ago

Mohamad spends $4 a week on comic books. How much LESS money will he have in 4 weeks from NOW? How much MORE money did Mohamad h

Zepler [3.9K]

Answer:

Step-by-step explanation:

So, $4x4weeks= 16

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So he had 8 MORE money than in 4 weeks

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2 years ago

Anita and Brad are each riding on the same path. Anita began riding at start of the path and is riding at rate of 18 mile per ho

ser-zykov [4K]

Answer:

They will be at the same position after 2 hours.

Step-by-step explanation:

Here, it should be asked the time it will take for Anita to catch Brad.

Anita began riding at start of the path and is riding at rate of 18 mile per hour.

This means that, after t hours, her position will be given by:

$A(t) = 18t$

Brad begin from a sport 10 mile ahead of her and I riding at rate of 13 mile per hour

This means that, after t hours, his position will be given by:

$B(t) = 10 + 13t$

After how much time will they be at the same position?

This is t for which:

$A(t) = B(t)$

$18t = 10 + 13t$

$5t = 10$

$t = \frac{10}{5}$

$t = 2$

They will be at the same position after 2 hours.

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3 years ago