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maks197457 [2]
2 years ago
6

At 1:00 p.m., the water level in a pool is 13 inches. At 1:30 p.m., the water level is 18 inches. At 2:30 p.m.,the water level i

s 28 inches. What is the constant rate of change
Mathematics
2 answers:
kogti [31]2 years ago
8 0

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~

Now to solve this question all we need is basic math...


We know the water level (<em>at 1:00 pm</em>) started at 13in and than 30mins later it rose by 5in (<em>going to 18in</em>).  Now an hour has passed and the water level has rose by 10in (<em>making it 28in in total</em>).

So, using basic math we can see that every 30mins the water level rises every 5in, and the equivalent ratio (simplified) is MINS to INCHES, 6min : 1in

So...

The answer is: Every 6mins the water level rises by 1in (rounded to the most simplified form).

ELSE

The answer is: Every 30mins the water level rises by 5in

Mila [183]2 years ago
6 0
The pool water goes up 5 inches every half hour.
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Oksanka [162]

The speed v is 12 m/s.

 

You need to convert the seconds to hours  and meters to kilometers:

 

3600s = 1 hr

 

If you divide 3600 on both sides you will get

 

1 s = (1/3600) hr

 

 

1000m = 1 km

 

If you divide 1000 on both sides you will also get

 

1 m = (1/1000) km

 

 

v = [(12/1000) km] / [(1/3600) hr]

 

v = [(12*3600)/1000] km/hr

 

v = 216/5  km/hr

 

 

The distance in 4 hours is

 

d = [(216/5) km/hr] * 4hr

 

d = 864.50 km

This is why your answer should be 12 m/s

Hope this helps!! - Queenb369

8 0
2 years ago
Find the approximate values of real numbers up to three decimal places.
Alexus [3.1K]
1. 7.141
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3. 915498611
3 0
3 years ago
Read 2 more answers
Which transformation was applied to figure A to form figure B?
PtichkaEL [24]

Answer:

B

Step-by-step explanation:

Let point N has coordinates (0,0), then figure A has vertices at points (-3,0), (-7,0), (-7,4) and (-3,4). Figure B has vertices at points (3,1), (7,1), (7,-3) and (3,-3).

1. Translation 10 units to the right has the rule

(x,y)→(x+10,y).

Then vertices of the figure A have images:

  • (-3,0)→(7,0);
  • (-7,0)→(3,0);
  • (-7,4)→(3,4);
  • (-3,4)→(7,4).

2. Translation 3 units down has the rule

(x,y)→(x,y-3).

Then images are

  • (7,0)→(7,-3);
  • (3,0)→(3,-3);
  • (3,4)→(3,1);
  • (7,4)→(7,1).

As you can see these points are exactly the vertices of the figure B.

4 0
3 years ago
Read 2 more answers
5x − 3+ 2x = x + 7 + 6x
Masteriza [31]

Answer:

There isnt any solution.

Step-by-step explanation:

but these are the steps:

Step 1: Simplify both sides of the equation.

5x−3+2x=x+7+6x

5x+−3+2x=x+7+6x

(5x+2x)+(−3)=(x+6x)+(7)

7x+−3=7x+7

7x−3=7x+7

Step 2: Subtract 7x from both sides.

7x−3−7x=7x+7−7x

−3=7

Step 3: Add 3 to both sides.

−3+3=7+3

0=10

<h3>hope this helps</h3>

7 0
3 years ago
Please Help.
77julia77 [94]

Answer:

Option D is the correct anwer

Step-by-step explanation:

This can be calculated using the relation,

A=P(1 +  \frac{r}{m})^{mt}

Where ,

A is total amount

P is the principal

r is the rate

t is the time

m is the compounding frequency

From the question,

P=$1500

r=3.5%=0.035

t=3yrs

m=4

By substitution,

A = 1500(1 +  \frac{0.035}{4})^{4 \times 3}

A = 1500(1 + 0.00875)^{12}

A = 1500 \times (1.00875)^{12}

A = 1665.305

A=$1665.31

3 0
2 years ago
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