3 years ago

How to solve b 2 + 5b -35 = 3b

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

4 0

Here you go!..........

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Triangle AOC intersects a circle with center O. side AO is 10 inches and the diameter of the circle is 12 inches. What is the le

zvonat [6]

Answer:

$AC=8inches$

Step-by-step explanation:

It is given that triangle AOC intersects a circle with center O, side AO is 10 inches and the diameter of the circle is 12 inches, thus

OC is the radius of the circle and is equal to $\frac{D}{2}=\frac{12}{2}=6 inches$ .

Now, From ΔAOC, using the Pythagoras theorem, we get

$(OA)^{2}=(OC)^{2}+(AC)^{2}$

⇒ $(10)^{2}=(6)^2+(AC)^2$

⇒ $100=36+(AC)^2$

⇒ $64=(AC)^2$

⇒ $AC=8inches$

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3 years ago

Solve for w.<br> 3w = 3.84

Katen [24]

Answer:

w = 1.28.

Step-by-step explanation:

To find 'w', simply divide the answer by the coefficient.

$3.84/3=1.28$

$w=1.28$

REMEMBER: ANYTIME YOU SEE A COEFFICIENT AND A VARIABLE, YOU MUST MULTIPLY THE COEFFICIENT AND THE VARIABLE.

We can check our answer by multiplying.

$3*1.28 = 3.84$ .

Therefore, w = 1.28.

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3 years ago

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Which matrix represents the system of equations shown below?

OLga [1]

Answer:

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3 years ago

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What is the radius of a hemisphere that has a volume of 36?

IrinaVladis [17]

I hope this helps you!

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Solve the system of linear equations by using the substitution method. Write your answer as a coordinate/point. (20 points)

Inessa [10]

Answer:

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Step-by-step explanation:

Substitute the value of y so you get -5x+15=-2x+12. Then solve you get x=1. Substitute x as 1 in the equation y=-2x+12 so you get y=10

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2 years ago