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m_a_m_a [10]
3 years ago
6

Y^2 + 18y - 41 = 0 Y= Y=

Mathematics
1 answer:
lana66690 [7]3 years ago
6 0

Answer:

y= -9+√122, or -9 - √122

Step-by-step explanation:

You have to solve the equation for y to find each variable of the quadratic and applying the quadratic formula.

after solved, I got the answer as decimal,

y = 2.0453610.....

i simpler form : y = 2.05

Also, an answer can be y= -9+√122, or -9 - √122

You might be interested in
4+3[-4(-4)+1]<br>How do we evaluate this
Elena-2011 [213]
4 + 3[ - 4( - 4) + 1]
4 + 3(( - 4)(- 4) + 1)
4 + 3(16 + 1)
4 + (3)(17)
4 + 51
Answer: 55




Hope that helps!!!
7 0
3 years ago
Brandon has two credit cards and would like to consolidate the two balances into one balance on the card with the lower interest
Nostrana [21]

The amount which Brandon have saved in interest by consolidating the two balances on the card with the lower interest rate is $256.12.

<h3>What is monthly payment?</h3>

Monthly payment is the payment which has to paid against the loan amount or the borrowed money calculated with interest rate.

It can be calculated with the following formula.

M=P\left (\dfrac{r}{1-(1+r)^{-nt}}\right)

Here, (<em>P</em>) is the principal amount, (<em>r</em>) is the interest rate and (<em>t</em>) is time.

Brandon has two credit cards and would like to consolidate the two balances into one balance on the card with the lower interest rate.

The table below shows the information about the two credit cards Brandon currently uses.    

  • Cards                Amount              APR             Monthly Payment
  • Card a               $1,463.82              13%                 $24.60
  • Card b               $1,157.98               17%                 $22.14

               

Interest rate for the card a is,

r=\dfrac{13}{12\times100}=0.01083

The time period is 8 years and there are 12 months in one year. Thus, the monthly payment of card A will be,

M=1157.98\left (\dfrac{0.01083}{1-(1+0.01083)^{-12(8)}}\right)\\M=19.47

In the 8 years, there is total 96 monthly payments. Thus, the total payment by card A is,

P_a=19.47\times96=1869.12

For the card B the monthly payment is $22.14. Thus the total payment by card B is,

P_b=22.14\times96=2125.44

The difference in the payment is,

d=2125.44-1869.12\\d=256.12

Hence, the amount which Brandon have saved in interest by consolidating the two balances on the card with the lower interest rate is $256.12.

Learn more about the monthly payment here;

brainly.com/question/2151013

6 0
2 years ago
A line has a slope of 3 and passes through the point (3,6)
Vlad [161]

Answer:

Step-by-step explanation:

whats the question

6 0
3 years ago
What is the equation of the line for this function? (0,0), (2,1), (4,2), (6,3).
slava [35]

The coordinate set (0, 0), (2, 1), (4, 2), (6, 3) represents a straight line. Since the first point is (0, 0) the y-intercept is 0. Now, lets solve for the slope (we can use any of the four points to solve).

Slope formula: y2-y1/x2-x1

= 2-1/4-1

= 1/2

Now that we know what the slope is, we can write the equation of the line.

Slope intercept form: y = mx + b (m = slope and b = y-intercept)

y = 1/2x

Lets find the exponential equation for the line.

y = ab²

1 = ab²

1/a = ab²/a

1/a = b²

√1/a = √b²

√1/a = b

<em>A graph of the coordinates will be below.</em>

<em />

Best of Luck!

4 0
3 years ago
Read 2 more answers
Tahmar knows the formula for simple interest is I = Prt, where I represents the simple interest on an amount of money, P, for t
vichka [17]
I=prt
20=p X .05 X 5
20 = p X .25
20/.25 = p
80 = p
She started with $80
4 0
3 years ago
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