How many yards of a carpeting that is 26 inches wide will be needed to cover a ﬂoor thatis 12ft by 13ft?

Answers

Answer 1

Answer: How many yards of a carpeting that is 26 inches wide will be needed to cover a ﬂoor that
is 12ft by 13ft?

12ft = 144in
13ft = 156in

144in × 156in= 22464in²
(12ft) × (13ft) = (156ft²)

22464in² ÷ 26in = 864in needed

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(Sint+cost)^2= ?

Can any one help me with this question

Answers

The answer to your question is: Yes.

Now, would you like to actually see the solution ?

First, multiply the quantity out:

(sin + cos)² = sin²(t) + cos²(t) + 2sin(t)cos(t)

You need to know:
==> sin²(any angle) + cos²(the same angle) = 1
==> 2sin(any angle)cos(the same angle) = sin(double the angle)

So the equation becomes:

(sin + cos)² = 1 + sin(2t)

$(sin\ t+cos\ t)^2=sin^2t+cos^2t+2\cdot sin\ t\cdot cos\ t=1+sin\ 2t$

Solve for Zeros by factoring
5x^2 + 13x - 6

Answers

$5x^2+13x-6$

Break the expression into groups:

$=(5x^2-2x)+(15x-6)$

Factor out x from : $5x^2-2x = x(5x-2)$

Factor out 3 from : $15x-6=3(5x-2)$

$=x(5x-2)+3(5x-2)$

Factor out common term $(5x-2)$

$= (5x-2)(x+3)$

hope this helps!

A student spins a spinner and rolls a number cube. Is that independent or dependent

Answers

Independent because the outcome of the spin does not affect the outcome of the number cube and vice versa.

William wants to split a collection of peanuts into groups of 61. William has 305 peanuts. How many groups will be created? A) Calculate the total number of peanuts. B) Determine the number of groups created. C) Find the number of peanuts in each group. D) Solve for William's peanut distribution..