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Orlov [11]
3 years ago
13

if alpha and beta are the roots of x square + bx + c is equal to zero then find Alpha cube beta + beta cube Alpha​

Mathematics
1 answer:
Sedbober [7]3 years ago
4 0

Answer:

when we solve this problem

we get the value of α andβ

then take cube of α's value

and with β

and we get the values

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The length,AB of the rectangular lot is 1 foot less than two times its width, BC. If the perimeter of the rectangular lot 394 fe
r-ruslan [8.4K]

Answer:

AB=131\ ft

Step-by-step explanation:

we know that

The perimeter of the rectangular lot is

P=2(AB+BC) ----> equation A

where

AB is the length

BC is the width

we have

AB=2BC-1 ---> equation B

P=394\ ft ----> equation C

substitute equation B and equation C in equation A

394=2(2BC-1+BC)

solve for BC

394=2(3BC-1)

394=6BC-2

6BC=396

BC=66\ ft

<em>Find the value of AB</em>

AB=2BC-1

AB=2(66)-1

AB=131\ ft

6 0
3 years ago
Find the perimeter of the rectangle? Needs to be in standard form
vladimir2022 [97]

Answer:

<u>6b - 4a + 22 units</u>

Step-by-step explanation:

Perimeter = 2(length + width)

= 2(3b - 4a + 5 + 6 + 2a)

= 2(3b - 2a + 11)

= <u>6b - 4a + 22 units</u>

4 0
2 years ago
Y=-x^2+12x-5 given that h=-b/2a and k =4ac-b2/4a​
DanielleElmas [232]

Answer:

3.14159265359

Step-by-step explanation:

4 0
2 years ago
Bryan has a prepaid cell phone with a balance of $75. He is charged the same rate per minute. Which function represents the bala
Alexxx [7]

Answer:

36 minutes

Step-by-step explanation:

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3 0
3 years ago
When a 757 passenger jet begins its descent to the Ronald Reagan National Airport in Washington, D.C., it is 3900 feet from the
Svetradugi [14.3K]

Answer:

Option A. 37106 ft.

Step-by-step explanation:

Given: An 757 passenger jet at the height of 3900 feet from the ground means vertical height = 3900 feet.

Angle of descent to the airport in Washington,D.C. is 6 degrees.

To find: Horizontal distance the plane will cover to reach the run way.

Solution: As we know tan ∅  = \frac{Height}{Base}

Then tan 6° = \frac{3900}{x}

0.105 = \frac{3900}{x}

x = \frac{3900}{.105}

x = 37106 ft

3 0
3 years ago
Read 2 more answers
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