2 years ago

Plzzzzzzzzzzz help.

Mathematics

1 answer:

WARRIOR [948]2 years ago

7 0

Answer:

D. The area of the triangle is 9 square feet, because the area of the rectangle is 18 square feet.

Step-by-step explanation:

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What is the answer to this math question... It says that it is Pi * r squared/ 2. Does it simplify to just Pi *r ...or does it n

pickupchik [31]

No it would be Pi *r *r because the r is to the power of 2

6 0

3 years ago

Find the radius. Round to the nearest tenth.

Arlecino [84]

Answer:

Step-by-step explanation:

V = 1/3 * pi * r^2 * h

r = ?

pi = 3.14

h = 17 cm

3*V = pi * r^2 h = r^2 Divide by pi

3*V/pi = r^2 h = r^2 Divide by h

3*V/(pi*h) =r^2 Take the square root of the left to get just r

sqrt(3*V/(pi*h)) = r Now solve the equation.

sqrt(3*538.25 /(3.14*17)) = r

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2 years ago

Y=4x-6<br> 2x-3y=8<br> if this problem is to be solved by substitution , which is the correct step

Gekata [30.6K]

Answer:

x=1, y= -2

Step-by-step explanation:

Please see the attached pictures for full solution.

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3 years ago

Which number can each term of the equation be multiplied by to eliminate the fractions before solving?

scoray [572]

Answer: 12

Step-by-step explanation:

You can multiply by 12 because to get rid of the fractions all terms should be divided by the LCM (ie the smallest multiple that is exactly divisible by 2, 4 and 3)

Multiples of 3 = 3, 6, 9, 12

Multiples of 4 = 4, 8, 12, 16

Multiples of 2 = 2, 4, 6, 8, 10, 12

Therefore the fractions should be multiplied by 12

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2 years ago

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2+2-2-3-87+20090 then split in half

Svetllana [295]

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3 years ago

Plzzzzzzzzzzz help. ​

Plzzzzzzzzzzz help.