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Lemur [1.5K]
3 years ago
8

Hey can you please help me posted picture of question :)

Mathematics
1 answer:
andriy [413]3 years ago
5 0
The answer is the answer is C and F.

This is found by inserting the equation above into the quadratic formula or -b plus or minus the square root of b^2 - 4ac over 2a.

With that, you find that the first number is a -3, which eliminates choices B and D.

Then, solving the 4ac portion, you find that inside the square root the number is 29, which gives you the last two answer choices.

Hope this helps!
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He picture shows a triangular island.A right triangle is shown with an acute angle equal to 50 degrees. The length of the side o
balandron [24]

For this case we have the following variables:

x: The length of the side of the triangle opposite to the acute angle

y: The length of the side of the triangle adjacent to the angle

z: The length of the hypotenuse

By definition we have:

cos (theta) = \frac{C.A}{h}

Where,

h: hypotenuse

C.A: adjacent leg

Using the definition for this case we have:

cos (50) = \frac{y}{z}

Clearing the hypotenuse we have:

z = \frac{y}{cos50}

Answer:

the value of z is:

z = \frac{y}{cos50}


4 0
3 years ago
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Nevaeh spent $22 on a shirt that was
Annette [7]
It was marked down 80%!
7 0
3 years ago
Y−3=2(x+1)<br> Complete the missing value in the solution to the equation.<br> (−1,
MrRa [10]

Answer:

Y=2

Step-by-step explanation:

both sides just have to be the same so y-3 is 2x +1

x is -1 so -2 +1=-1 and y-3=-1

3 0
2 years ago
Read 2 more answers
On the 40th birthday, Mr. Ramos decided to buy a pension plan for himself. This plan will allow him to claim
Mama L [17]

Answer:

The amount of one-time payment should he make on his 40th birthday to pay off his pension plan is P32,880.77.

Step-by-step explanation:

Step 1: Calculation of present value on 3 months after his 60th birthday

The present value on 3 months after his 60th birthday can be calculated using the formula for calculating the present value of an ordinary annuity as follows:

PV60 = Q * ((1 - (1 / (1 + r))^n) / r) …………………………………. (1)

Where;

PV60 = present value on 3 months after his 60th birthday = ?

Q = quarterly claim = P10,000

r = quarterly interest rate = annual interest rate / 4 = 8% / 4 = 0.08 / 4 = 0.02

n = number of quarters = number of years * Number of quarters in a year = 5 * 4 = 20

Substitute the values into equation (1), we have:

PV60 =  P10,000 * ((1 - (1 / (1 + 0.02))^20) / 0.02)

PV60 = P10,000 * 16.3514333445971

PV60 = P163,514.33  

Step 2: Calculation of one-time payment on his 40th birthday

The one-time payment can be calculated using the formula the following formula:

PV = PV60 / (1 + r)^n ........................ (2)

Where;

PV = Present value or One-time payment = ?

PV60 = present value on 3 months after his 60th birthday = P163,514.33

r = quarterly interest rate = annual interest rate / 4 = 8% / 4 = 0.08 / 4 = 0.02

n = number of quarters from 40th to 3 months after his 60th birthday = (number of years * Number of quarters in a year) + One quarter = (20 * 4) + 1 = 81

Substitute the values into equation (2), we have:

PV = P163,514.33 / (1 + 0.02)^81 = P32,880.77

Therefore, the amount of one-time payment should he make on his 40th birthday to pay off his pension plan is P32,880.77.

7 0
3 years ago
What is 12/7 please help and i will be very happy
Anvisha [2.4K]

Answer:

12/7 is a improper fraction

Step-by-step explanation:

as a decimal it is 1.71428571429 and as a mixed number it is 1 5/7

6 0
3 years ago
Read 2 more answers
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