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vovangra [49]
3 years ago
8

Help 15 pts good luck

Mathematics
1 answer:
pickupchik [31]3 years ago
5 0
I’m not sure sorry....
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Gabriel invests $9600 in two different accounts. The first account paid 13 %, the second account paid 6 % in interest. At the en
NeX [460]

Answer:The principal for the first account is $5000

The principal for second account is $4600

Step-by-step explanation:

The formula for simple interest is expressed as

I = PRT/100

Where

P = principal

T = time in years

R = interest rate on the principal.

Let x represent the amount invested in the first account

Let y represent the amount invested in the second account

Gabriel invests $9600 in two different accounts. This means that

x + y = 9600 - - - - - - - -1

For first account, The interest rate is 13%. The duration is one year.

Therefore

P = x

T = 1 year

R = 13%

Therefore

I = (x × 13 × 1)/100

I = 0.13x

For second account, he interest rate is 6%. The duration is one year.

Let y represent the principal for the second account. Therefore

P = y

T = 1 year

R = 6

Therefore

I = (y × 6 × 1)/100

I = 0.06y

At the end of the first year he had earned $926 in interest. This means that

0.13x + 0.06y = 926 - - - - - - - -2

Substituting x = 9600 - y into equation 2, it becomes

0.13(9600 - y) + 0.06y = 926

1248 - 0.13y + 0.06y = 926

- 0.13y + 0.06y = 926 - 1248

- 0.07y = -322

y = - 322/- 0.07 = 4600

x = 9600 - y

x = 9600 - 4600

x = 5000

8 0
4 years ago
let each matrix in exercises 1--6 act on c2 . find the eigenvalues and a basis for each eigenspace in c 2 .
ch4aika [34]

The eigenvectors are (1 + i)/4 and (1-i)/4.

  • A matrix is an organized, rectangular grouping of real or complex integers or functions.
  • The unique collection of scalars known as eigenvalues is connected to the system of linear equations. The majority of matrix equations employ it. The German term "Eigen" signifies "appropriate" or "characteristic." Therefore, the word "eigenvalue" can also be used to refer to a suitable value, a latent root, a characteristic value, or a characteristic root. The eigenvalue is a scalar that is used to alter the eigenvector, to put it simply.
  • The non-zero vectors that do not change direction when a linear transformation is performed are called eigenvectors. It is only modified by a single scalar component.

To learn more about matrix, visit :

brainly.com/question/28180105

#SPJ4

7 0
2 years ago
5. Which graph best represents the equation y=-2x-2?​
Alenkasestr [34]
Graph best represents the equation y=-2x-2
Answer-D
8 0
3 years ago
Read 2 more answers
What is 3.2 times 10^negative 5 times 1.5 times 10^3 in scientific notation​
guajiro [1.7K]
4.8 x 10^-2
You can do this without a calculator
Explanation:
(3.2 x 10^-5) x (1.5 x 10^3)
First, you multiply 3.2 by 1.5 to get 4.8
Next, you add the exponents together: -5 + 3 = -2
Now, put everything into one answer (the 10 stays the same): 4.8 x 10^-2
3 0
3 years ago
HELP ME WILL GIVE BRAIN I NEED TO KNOW IF MY ANSWERS ARE CORRECT!
Inessa05 [86]

Answer:

The first one is correct.

The second one is also correct!

Hope this helps :)

4 0
3 years ago
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