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tekilochka [14]
2 years ago
10

I need some help.i need to get my grades up

Mathematics
1 answer:
trapecia [35]2 years ago
7 0

Answer:

Ricky saves more each week.

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Antuan deposited $2590 into a 3 year CD at an interest rate of 2.3% compounded quarterly.
lora16 [44]

Answer:

the interest rate is $183.89 =~ $ 184

Step-by-step explanation:

In this question, Antuan deposited $2590 into a 3 year CD (Certificate of Deposit)  at an interest rate of 2.3% compounded quarterly. We need to find the interest account earned after 3 years.

Formula used will be :

Interest = P ( 1 + r/n) ^ n ^ t - P

Where

P= Principal amount

r= interest rate (in decimals)

n= no of times the interest is compounded

t = no of years

Here we are subtracting P because we only need interest amount and not the future value.

Using this formula and finding the value will be:

P= $2590

r = 2.3 % or 0.023

n = 4

t = 3

Interest = 2590 * ( 1 - 0.023 / 4) ^ 4^ * ^ 3 - 2590

Interest= 2590 (1.071) -2590\\Interest= 2773.89 - 2590\\Interest= 183.89

So the interest rate is $183.89 =~ $ 184

7 0
3 years ago
Factor the expression.
grigory [225]
Hey!

First, let's write the problem,
4r^2-64
Factor out the common term, which is 4,
=4\left(r^2-16\right)
Then, let's factor this part: r^2-16
We are going to factor it using the difference of squares rule.
=\left(r+4\right)\left(r-4\right)
Our final factored answer would be,
=4\left(r+4\right)\left(r-4\right)

Thanks!
-TetraFish
8 0
3 years ago
Read 2 more answers
How do I do a dilation? I'm in 8th grade and failing cuz I don't understand? <br>​
Alex17521 [72]

Answer:

Starting with ΔABC, draw the dilation image of the triangle with a center at the origin and a scale factor of two.Dilations involve multiplication. Dilation with scale factor 2, multiply by 2.

5 0
3 years ago
Convert 55° 16' 30" into radian measure.​
Colt1911 [192]

Answer:

55° 16' 30" = 0.9648 radians .

Step-by-step explanation:

8 0
3 years ago
5. At Euclid Middle School, of the 30 girls who tried out for the lacrosse team, 12 were selected and of the 40 boys who tried o
kondaur [170]
For the girls:

12:30

Simplifying it, we get:

6: 15
2: 5

For the boys:

16:40

Simplifying it, we get:

8:20
4:10
2:5

So yes, the ratios are both the same for boys and girls.
4 0
3 years ago
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