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aleksley [76]
3 years ago
12

Three children each had the same amount of money in their savings account. One of the children withdrew a quarter of her money a

nd spent it all on a $25 T-shirt. What was the total amount of money originally in the accounts?
Mathematics
1 answer:
malfutka [58]3 years ago
3 0
The total money with them was $100 in their accounts
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PLEASEEE HELP MEEE!! I DONT UNDERSTAND AT ALL!!
jenyasd209 [6]

Domain: (-∞,∞)

Range: (3,∞)

x-intercepts: none

y-intercepts: (0,7)

Interval positive: (3,∞)

Interval negative: none

Interval increasing: (7,∞)

Interval decreasing: (-∞,7)

I'm not sure what the average rate of change over is though.

7 0
3 years ago
peter drove a total of 1000 km and used 100 litre of prtrol calculate the rate of which the petrol was in kilometers per litre??
abruzzese [7]

Answer:

The petrol used was 0.1 litre for every 1 kilometre.

6 0
2 years ago
One tool used in genetics is called a pedigree chart,are there any advantages to using this tool?The population of a city is inc
Tanzania [10]

Answer:

A = 236,000 (1.04)^t

population in 2009 : 335,902 people

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential growth function:  

A = P (1 + r) t  

Where:  

p = original population  

r = growing rate (decimal form) = 4/100 = 0.04

t= years passed from 2000

A = population after t years  

Replacing with the values given:  

A = 236,000 (1+ 0.04)^t

A = 236,000 (1.04)^t

Population in 2009.

t = 2009-2000 = 9  

A = 236,000 (1.04)^9

A = 335,902 people

Feel free to ask for more if needed or if you did not understand something.  

4 0
3 years ago
A rectangular football field is 64 meters wide and 100 maters long. A player runs from one corner of the field in a diagonal lin
Dimas [21]

Answer:

119 or 118.726577

Step-by-step explanation:

We should use the Pythagorean Theorem to solve this problem.

a^2+ b^2=c^2

64^2+100^2=c^2

4096+10000=14096

c^2=14096

c=\sqrt{14096}14096

And the root of 14096 is 118.726577.

So the Answer is About 119 meters, or 118.726577

hope this helps!

3 0
2 years ago
What is the diameter of the following circle?<br>​
DochEvi [55]

Answer:

12

Step-by-step explanation:

diameter is 2r

r=6

6*2=12

6 0
3 years ago
Read 2 more answers
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