Using special products what is (wx-y)^2

Answers

Answer 1

Answer: i think that supposed to be (wx - y^2)^2?

If so, multiply using FOIL:

First: wx * wx = w^2x^2

Outside: wx * -y^2 = -wxy^2

Inside: -y * wx = -wxy^2

Last: -y^2 * -y^2 = y^4

Combine w^2x^2 - 2wxy^2 + y^4

Answer 2

Answer:

Answer:

I believe it is wx^2 - 2ywx + y^2

Step-by-step explanation:

seperated into (wx-y)(wx-y) and used FOIL

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Andy drove 840 miles in 12 hours how far could he drive in 3.5 hours
Patrick has a truck that is currently worth $13,000. Each year the truck will depreciate by $300. Which equation represents the number of years Patrick will have to wait until the truck is worth $12,100? ólólölő 13,000 - 300M = 12,100 12,100M + 300 = 13,000 300M + 13,000 = 12,100 12,100 - 300M = 13,000

A ship is about to sink in 20 minutes with 15 people on board. A nearby island and a boat are their only escape, but the boat can only carry 5 people at a time. It takes a total of 9 minutes for the boat to go from the ship to the island and back. People can't swim due to the threat of sharks. How many people would survive and reach the island?

Answers

10 people will reach the island and survive

Final answer:

Considering the time constraints of the situation, only 2 trips can be made before the ship sinks. Therefore, only 10 people, as the boat carries 5 per trip, can reach the island alive.

Explanation:

This question is a mathematical problem that can be solved by considering the time constraints. To start, we know that the boat can carry 5 people at a time and it takes 9 minutes to go from the ship to the island and back.

This means that only 5 people can be transported to the island every 9 minutes.

However, the ship will sink in 20 minutes, so the boat will only be able to make 2 trips - one at the beginning, and the second after 9 minutes. Therefore only a total of 10 people (5 people per trip) will be able to reach the island before the ship sinks.

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brainly.com/question/34863440

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The entire exterior of a large wooden cube is painted red, and then the cube is sliced into n^3 smaller cubes (where n > 2). Each of the smaller cubes is identical. In terms of n, how many of these smaller cubes have been painted red on at least one of their faces?A. 6n^2
B. 6n^2 – 12n + 8
C. 6n^2 – 16n + 24
D. 4n^2
E. 24n – 24

Answers

Answer:

B. $6n^2-12 n +8$

Step-by-step explanation:

Given,

The number of smaller cubes = $n^3$

So, the number of cubes that have no coloured faces. = $(n-2)^3$ ,

Note : If a cube painted outside having side n is split into n³ cubes, then the volume volume that is not painted = (n-2)³

Thus, the remaining cubes that have been painted red on at least one of their faces

= Total cubes - cubes with no painted face

$= n^3 -(n-2)^3$

$=n^3 - (n^3 - 8 - 6n^2 +12n)$

$=6n^2-12 n +8$

Hence, OPTION B is correct.

Point O is the center of the circle in the diagram. What is m∠BCA ?A80°
B75°
C70°
D65°

Answers

The correct option is C.

Do quadrilaterals add up to 360?

Angle Sum of a Quadrilateral For any quadrilateral, we can draw a diagonal line to divide it into two triangles. Each triangle has an angle sum of 180 degrees. Therefore the total angle sum of the quadrilateral is 360 degrees.

The sum of angle around a point equal 360°

so (BOA) = 360-250=110°

and the sum of angle in the shape CAOB = 360°

so BCA = 360-(110+90+90)= 70°

Why do Angles in a Quadrilateral Sum to 360 Degrees?

Angles in a quadrilateral add to 360° because two triangles can be made inside any quadrilateral by drawing straight lines from one corner to the other corners. Each triangle contains 180° and so, two triangles contain 360°.

Learn more about quadrilateral here brainly.com/question/23935806

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the sum of angle around a point equal 360°
so (BOA) = 360-250=110°
and the sum of angle in the shape CAOB = 360°
so BCA = 360-(110+90+90)= 70°
THE ANSWER IS C.70°

Carlos figures he will spend on average $780 per month in rent and utilities. his total monthly expenses will total $1,950. He wants to create a circle graph depicting his monthly budget. How many degrees should be in the central angle of the home expense sector?A. 108
B. 125
C. 144
D. 170

Answers

I am not sure...but....
(780/1950) * 360 ( as a circle has 360 degrees, you multiply with 360)

Ans= C 144.

A rectangle measures fourteen centimetrers by four centimetres what is its area

Answers

The formula for finding the area of a rectangle is:
$\sf area = length * width$

Here we are given that the length is 14 cm, and the width is 4 cm.

So the are will be:

$\sf area = 14~cm * 4~cm\n\n\boxed{\sf{area = 56 cm^2}}$

The rectangles area is 56 cm. messed it up the first time!! lol

Find the Area of a circle if the radius is 5.2 cm. AGAIN: State the CORRECT formula, show the substitution and state your answer with the correct label.

Answers

Answer:

area A= πr2

A=π×5.22

A=27.04π

A=84.9486654

I hope this is good enough

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