Answer:
$7665
Explanation:
simple interest: principal * rate (%) * time (years)
<u>Given:</u>
principal: $3,500
rate: 7%
time: 17 years
<u>Solve for interest received:</u>
3,500 * 7% * 17
$4165
<u>Total money in account:</u>
$4165 + $3,500
$7665
Answer:
530.998cm^2
Step-by-step explanation:
General formula for the area of a circle is πr^2
And π is given to be 3.142
R is 13 cm
So let's apply the formula
Area=3.142×(13^2)
Area=3.142×169
Area=530.998cm^2
So the area of the circle is 530.998cm^2
Answer:
<em>The correct answer choice is: B</em>
Step-by-step explanation:
<u>Culture A</u>
Initial number of cells = 1000
The number of cells is raised by 200 each day and every day thereafter.
So, the number of cells raised in one month(30 days) 
Thus, the total number of cells in culture A at the end of one month will be: 
<u>Culture B</u>
Initial number of cells = 1000
The number of cells is increased by 8% each day and every day thereafter.
<em>Formula for exponential growth is:</em>
, where
Initial amount,
Final amount,
Rate of growth in decimal form and
Time duration.
Using the above formula, the number of cells after 30 days will be.....

That means, Culture B is more effective in promoting cell growth.
Answer:
x = 2
Step-by-step explanation:
all the angles in a triangle that are added together will equal 180 degrees
so having known that you will get this equation: \/
2x+5+8x=25
then you solve
8x+2x+5=25
10x+5=25
10x=20
x=2
Aaron is 4 years and Maria is 14 years old.
A = Aaron's age today
M = Maria's age today.
a. The equation based on the statement given will be:
M = A + 10
b. Maria's age based on the statement in 6 years will be:
= (A + 10) + 6
= A + 16
c. Based on the information above, the equation to solve their ages will be:
A + 16 = 2(A + 6)
A + 16 = 2A + 12
Collect like terms
2A - A = 16 - 12
A = 4
Therefore, Aaron is 4 and Maria is 14 years.
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