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ahrayia [7]
2 years ago
6

Need help with this question plz

Mathematics
1 answer:
Leto [7]2 years ago
5 0
Y should definitely get that phonw I ah eggs same but it’s red
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Find the simple interest earned to the nearest cent for each principal, interest rate, and time.
Y_Kistochka [10]

Answer:

Interest earned at 3.9 percent rate is $31.2

Interest earned at 2 percent rate is $5.8

Step-by-step explanation:

A = P(1 + rt)

Where 'A' is the amount, 'r' is the rate and 't' is the time in years

When;

P = $1200

r = 3.9%

t = \frac{8}{12} years

Then,

A = $1200(1 + 0.039(\frac{8}{12}))

A = $1200 + $31.2 = $1231.2

Interest = Amount - Principal

Interest earned at 3.9 percent rate is $1231.2 - $1200 = $31.2

When;

P = $580

r = 2%

t = \frac{6}{12} years

Then,

A = $580(1 + 0.02(\frac{6}{12}))

A = $580 + $5.8 = $585.8

Interest earned = Amount - Principal

Interest earned at 2 percent rate = $585.8 - $580 = $5.8

4 0
3 years ago
F(x) = -1/2x^2 + 3/2x - 2 I need to find the zeros​
Pachacha [2.7K]

Answer:

{-1, 4}

Step-by-step explanation:

In the given f(x) = -1/2x^2 + 3/2x - 2

set f(x) = 0 and then multiply all the numeric terms by -2 to remove the fractions:

f(x) = -1/2x^2 + 3/2x - 2 = 0  =>  1x^2 - 3x - 4 = 0  

This factors into (x - 4)(x + 1) = 0, whose roots are {-1, 4}.  These are the zeros.

4 0
3 years ago
$20 haircut; 10% tip
arlik [135]

Answer:

I think the answer is $22.00

8 0
2 years ago
I need help and ineed the answer i wiil give brainlist ​
Ymorist [56]

Answer: 2 inch

Step-by-step explanation:

3 0
2 years ago
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weeeeeb [17]

Answer:

ln(2) - ln(7)

Step-by-step explanation:

8 0
3 years ago
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