MATHEMATICS HIGH SCHOOL

Simplify each expression numbers 2-5

Answers

Answer 1

Answer:

Answer:

2. 135

3. 8

4. 9/49 or 0.18367346…

5. b2/125

Step-by-step explanation:

( I couldn't see what b was equal to if you showed it. And the b2 is b squared)

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Which is the solution of the quadratic equation (4y – 3)2 = 72?y = and y =
y = and y =
y = and y =
y = and y =

Answers

To solve this quadratic equation, take the square root of both sides.
Since the left side is a perfect square, it will just be reduced to:
4y - 3
For the constant on the right side, the positive and negative roots must be considered.
√72 = ±6√2

Equating the two:
4y - 3 = ±6√2
4y = 3 ± 6√2
y = (3 ± 6√2)/4

y = (3 + 6√2) / 4 = 2.87
and
y = (3 - 6√2) / 4 = -1.37

The solution of the quadratic equation (4y – 3)² = 72 are y = (6√2 + 3)/4 and y = (-6√2 + 3)/4

Solution to quadratic equations

Quadratic equations are equation that has a degree of 2. Given the quadratic equation as shown:
(4y – 3)² = 72

Take the square root of both sides

√(4y – 3)² = ±√72
4y -3 = ±√72
4y - 3 = ±6√2

4y = ±6√2 + 3

y = (6√2 + 3)/4 and y = (-6√2 + 3)/4

Hence the solution of the quadratic equation (4y – 3)² = 72 are y = (6√2 + 3)/4 and y = (-6√2 + 3)/4

Learn more on quadratic equation here: brainly.com/question/17987697

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How many minutes is it from 4:00 to 4:30

Answers

Answer:

30 minutes

Step-by-step explanation:

Just look at the minutes only. Since you need 4 o'clock to 4:30, its only 30 minutes.

Answer:

30 minutes

Step-by-step explanation:

All you have to do is subtract 4:30 and 4:00 and get 30 minutes.

A large flagpole stands outside of an office building. Marquis realizes that when he looks up from the ground 60m away from the flagpole, the top of the flagpole and the top of the building line up. If the flagpole is 35m tall and Marquis is 170m from the building, how tall is the building?