3 years ago

X+4y=2v make x the subject

1 answer:

7 0

X=-4y+2v is the answer, because you would put 4y on the other side do -4y to even zero out the y factor on the left side.

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Max measures the diagonal of a square room to be 32feet find the perimeter and area of the room round answers to the nearest ten

Rasek [7]

Hello!

To find the side length of a square with the diagonal you use the equation

$a = \sqrt{2} \frac{d}{2}$

a is side length
d is diagonal length

Put in the values you know

$a = \sqrt{2} * \frac{32}{2}$

Divide

$a = \sqrt{2} * 16$

Multiply

a = 22.6

All the sides are 22.6 feet

Add all the sides

22.6 + 22.6 + 22.6 + 22.6 = 90.4

The answer is 90.4

Hope this helps!

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3 years ago

Question 4

mel-nik [20]

Answer:

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Step-by-step explanation:

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2 years ago

Which of the following is the product of the rational expressions shown below?

Anarel [89]

Answer:

Step-by-step explanation:

A P E X

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2 years ago

Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0

Black_prince [1.1K]

Answer:

x = pi, 3pi, 5pi etc

x = -pi, -3pi, -5pi etc

Step-by-step explanation:

cos^2 x + 2 cos x + 1 = 0

replace cos x with m

m^2 + 2m +1 = 0

solve by factoring (this is a^2 +2ab+b^2 = (a+b)^2 where a =m and b=1)

(m+1)^2=0

take the square root of each side

m+1 =0

m=-1

now replace m with cos x

cos x = -1

take arccos of each side

arccos cos x = arccos (-1)

x = pi, 3pi, 5pi etc

3 0

2 years ago

6.16 x 10-13 is the quotient of which division among the following? (4 point)

sesenic [268]

Hmmmm I idk sorry i will try to figure it out

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2 years ago