3 years ago

What happens when you add 18 to -18?

Mathematics

1 answer:

Kaylis [27]3 years ago

3 0

Answer:

$- 18 + 18 \\ = 0 \\ thank \: you$

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Two numbers have a sum of 25 and a difference of 5. Find two numbers.

denis-greek [22]

Answer:

the answer is 15 and 10

Step-by-step explanation:

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4 years ago

Two cruise ships leave port at the same time. Ship A sails north at a speed of 20 mph while Ship B sails east at a speed of 40 m

tiny-mole [99]

Answer:

a) D(t) = $20*\sqrt{5} * t$

b) 178.885 miles

Step-by-step explanation:

Ship A travels north at the rate of 20 mph.

Ship B travels east at the rate of 40 mph.

After t hours, Ship A is at a distance of 20t miles from the origin.

Similarly, Ship B is at a distance of 40t miles from the origin.

(a) Distance D(t) = $\sqrt{(20t)^{2}+(40t)^{2}}$

= $\sqrt{400*t^{2}+1600 * (t)^{2}}$

= $\sqrt{2000*t^{2}}$

= $20*\sqrt{5} * t$

(b) Distance between the two ships when t = 4,

= $20*\sqrt{5} * 4$

= $80*\sqrt{5}$ miles

= 80 * 2.236

= 178.885 miles

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3 years ago

First, we need to figure out how much you want to borrow. You said you wanted to spend $5,000, and you will put $500 down. Based

Yuliya22 [10]

You will need $840 , That’s it ! Thank me later

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3 years ago

Factor the expression completely<br> 6x²-4x²-16x

kogti [31]

Answer: 2x(x - 8)

6x² - 4x² - 16x

= 2x² - 16x

= 2x(x - 8)

Step-by-step explanation:

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3 years ago

Read 2 more answers

Which expression can be used to represent the volume of the prism

andrew-mc [135]

Answer:

Volume of the given figure = 54 cubic units.

Step-by-step explanation:

$volume \: = length \times width \times height \\ here \: length = 9units \: width = 2units \: \: height \: = 3units \\ \\volume = 9 \times 2 \times 3 \\ = 54 \: cubic \: units$

7 0

3 years ago