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MA_775_DIABLO [31]
3 years ago
11

April recieved $1,800 from her grandmother as a birthday gift. She decided to put the money in an account to save for college. I

f the account earns 9% interest compounded annually how much money will be in the account after 5 years?
Mathematics
1 answer:
Katarina [22]3 years ago
6 0
A = 1800(1 + (0.09 × 5)) = 2610 
<span>A = $2,610.00</span>
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20. A ball is dropped from a height of a little over 5 feet, and the height is measured at small intervals. The table below show
nekit [7.7K]

Step 1:

a) Write the quadratic model

a = -15.64

b = -1.24

c = 5.23

P(t)=-15.64t^2\text{ - 1.24t + 5.2}3

b) t = 0.30

\begin{gathered} P(t)=-15.64t^2\text{ - 1.24t + 5.2}3 \\ =\text{ -15.64 }\times0.3^2\text{ - 1.24}\times\text{ 0.3 + 5.2}3 \\ =\text{ -1.4076 - 0.372 + }5.23 \\ =\text{ 3.45} \end{gathered}

c) t = 0.52 seconds

\begin{gathered} p(t)=-15.64t^2\text{ - 1.23t + 5.23} \\ =\text{ -15.64}\times0.52^2\text{ - 1.23}\times0.52\text{ + 5.23} \\ =\text{ -4.23 - 0.64 + 5.23} \\ =\text{ 0.36} \end{gathered}

d) 0.30 is more likely to be relaible.

e)

\begin{gathered} p(t)\text{ = 1} \\ p(t)=-15.64t^2\text{ - 1.23t + 5.23} \\ 1=-15.64t^2\text{ - 1.23t + 5.23} \\ -15.64t^2\text{ - 1.23t + 4.23 = 0} \\ t\text{ = 0.48222} \\ \text{t = 0.48 seconds} \end{gathered}

5 0
1 year ago
The ratio of blue marbles to red marbles in a box is 3 to 2. if there are 12 blue marbles in a box then how many red marbles are
valkas [14]
The answer is: 8 red marbles!

This is because the equation can be written out like this
Blue to red - 3:2
Now it is, blue to red - 12:x

We have to think, what is the difference from the first equation to the second. We know the number 3 times 4 = 12, so we would do the same for the red, 2 times 4=8

If this helped, give me brainliest :)
6 0
3 years ago
Read 2 more answers
Please help me answer number 1
beks73 [17]

Step-by-step explanation:

work is shown and pictured

8 0
2 years ago
How to get 1/2x 2 1/2??
BabaBlast [244]

Answer:

1 1/4

Step-by-step explanation:

You are multiplying a fraction by a mixed number so you have to turn the mixed number into an improper fraction.

2 1/2 -- to do this you have to multiply the denominator by the whole number, then add the numerator.

2*2= 4   4+1=5

2 1/2 = 5/2

Then, you multiply normally

1/2 x 5/2 = 5/4

5/4= 1 1/4

So, you answer would be 1 1/4

Hope this helps!!

-Ketifa

(Can I get brainliest?)

8 0
2 years ago
How many even prime numbers are 0 1 2 3
matrenka [14]
A prime number can <span>be divided evenly only by 1, or itself. </span>
<span>And it must be a whole number greater than 1.

Therefore, the prime numbers between 0, 1, 2, 3 are 

2 and 3 

and the only even one among those two is two, so your answer would be One. </span>
7 0
3 years ago
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