3 years ago

What’s the answer to this question y’all?

Mathematics

1 answer:

Paraphin [41]3 years ago

7 0

The answer is D, because you are finding X, not a whole number. You can also find the answer by process of elimination

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It took a submarine 30 seconds to sink 225 feet, moving at a constant speed. The captain wants to know the submarine's speed.

Vladimir [108]

Answer:

Speed per second= 7.5 feet per second

Step-by-step explanation:

Giving the following information:

We have a distance (225 feet), and a time (30 seconds). Also, we know that the speed was constant.

<u>All we have to do is divide the distance by the time and determine the speed per second:</u>

Speed per second= distance / time

Speed per second= 225 / 30

Speed per second= 7.5 feet per second

5 0

3 years ago

If the sum of two whole numbers is 24 more than their difference, then one of the number must be

Iteru [2.4K]

Answer:

Option C. 12

Step-by-step explanation:

Let

x---> one whole number

y ---> the second whole number

we know that

x+y=(x-y)+24

$x-x+y+y=24\\2y=24\\y=12$

therefore

One of the number must be 12

5 0

3 years ago

The sum of 3x^2+4x-2 and x^2-5x+3 is

Diano4ka-milaya [45]

The sum would be

4x^2-x+1

add like terms.

3x^2+x^2

4x^2

4x+-5x

-x

3-2

3 0

3 years ago

Read 2 more answers

-5.6+(-9.72) what does this equal?

nevsk [136]

So I'm not totally sure but I got -15.32

So sorry if it's wrong!!

4 0

3 years ago

21. please and thank you

olga2289 [7]

16 is the answer just add

8 0

3 years ago