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blagie [28]
2 years ago
7

Relate ratios in right triangles

Mathematics
1 answer:
SIZIF [17.4K]2 years ago
3 0

Answer:

B

Step-by-step explanation:

Cos is the adjacent side over the hypotenuse.  The adjacent side to <E is side ED.  The hypotenuse is side EF.  ED/EF.  They do not go right out and give you this choice, but you see that B says the same thing.

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Solve this please !!!!
jasenka [17]

$16,000 was invested in the account earning 6% interest and

$10,500 was invested in the account earning 5% interest.

Given that, Ngoc invests a total of $26,500 in two accounts. The first account earned an annual interest rate of 6% and the second account earned an annual interest of 5%. At the end of one year, the total amount of money gained was $1485.

We need to find how much was invested into each account.

<h3>What are systems of equations?</h3>

A system of equations is a collection of two or more equations with the same set of unknowns. In solving a system of equations, we try to find values for each of the unknowns that will satisfy every equation in the system.

Now,

Let x be the amount of money invested at 6% interest.

Let y be the amount of money invested at 5% interest.

Thus, x +y = 26,500-----(1) and 0.06X + 0.05Y = 1485-----(2)

Multiply 0.06 to the equation x +y = 26,500, so we get 0.06x+0.06y=1,590-----(3)

By subtracting equation (2) from (3), we get

0.01y=105

⇒y=10,500

Substituting y=$10500 in equation (1), we get x=$16,000

Therefore, $16,000 was invested in the account earning 6% interest and

$10,500 was invested in the account earning 5% interest.

To learn more about the system of equations visit:

brainly.com/question/21620502.

#SPJ1

3 0
1 year ago
Evaluate the expression 2b + 4a + 3b for a = 0.5 and b = 1/3
sleet_krkn [62]
The answer for this problem is 3.66666666.
3 0
3 years ago
Read 2 more answers
Write an equation of the line with a slope of<br> and y-intercept of -8.
S_A_V [24]

y= mx+b

slope is also m= 0

b is the y-intercept=-8

answer:

y= -8

5 0
3 years ago
What is the nth term for the quadratic sequence 4,9,16,25,36
scoundrel [369]

Answer:

5n-1

Step-by-step explanation:

Find the difference between each number:

9-4=5

That is your n

Using that number you found that is your difference, subtract that from your first number

4-5=-1

that is the second part of your answer:

5n-1

8 0
2 years ago
What is i30?<br> A. 1<br> B. -i <br> C. -1<br> D. i
Doss [256]
B

Jksshsianhshsjssjsj
5 0
3 years ago
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