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Triss [41]
3 years ago
7

Can someone help me plz

Mathematics
1 answer:
VikaD [51]3 years ago
4 0
Name all the angles that have v as a vertex
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Consider the expansion of (x + 2y)^10. Determine the coefficients for the terms with the powers of x and y shown.
julsineya [31]

Answer with Step-by-step explanation:

We are given that  an expression

(x+2y)^{10}

Binomial expansion o f (x+y)^n is given by

=nC_0 x^n+nC_1x^{n-1}y^1+nC_2x^{n-2}y^2+nC_3x^{n-3}y^3+... nC_n y^n

a. We have to find the coefficient of x^2y^8

(x+2y)^{10}=10C_0x^{10}+10C_1x^9(2y)+10C_2x^8(2y)^2+10C_3x^7(2y)^3+...+10C_{10}(2y)^{10}

Term is 10C_8x^(2y)^8

Coefficient =10C_8\cdot 2^8

b.Term in which x^4y^6  is 10C_6x^4(2y)^6

Coefficient =10C_4\cdot 2^6

c.We have to find the coefficient of x^5y^5

Term  is 10C_5x^5(2y)^5

Coefficient =10C_5\cdot 2^5

7 0
3 years ago
Read 2 more answers
What is the value of the expression when x = 5? 3x^2 + 14 - 10x
Andrej [43]

Answer: 39

Step-by-step explanation:

7 0
3 years ago
What is the unit price if 4 pounds of fruit cost $6.48
Vaselesa [24]
6.48 / 4 =1.62 is your answer
6 0
3 years ago
The area of a circular trampoline is 112.07 square feet. What is the radius of the trampoline? Round to the nearest hundredth.
Nina [5.8K]
The trampoline is a circle, so you use A=πr².
Plug in 112.07 in for A since it's the area.
Divide both sides by π to get 35.69.
Take the square root to get 5.97.
4 0
3 years ago
Read 2 more answers
Tina covers the floor of a room with carpeting. She uses carpet squares that measure one foot on each side. How many carpet squa
gizmo_the_mogwai [7]

Answer:

She need <u>96 square feet</u> carpet to cover the room.

Step-by-step explanation:

Given:

Tina covers the floor of a room with carpeting. She uses carpet squares that measure one foot on each side.

Now, to find carpet squares does she need to cover a room that 8 feet wide by 12 feet long.

So, the dimensions of room are:

Length = 12 feet.

Width = 8 feet.

Now, getting the area by putting formula:

<u><em>Area of room = Length × width</em></u>

Area\ of\ room = 12\times 8

Area\ of\ room=96\ square\ feet.

Therefore, she need 96 square feet carpet to cover the room.

3 0
3 years ago
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