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3 years ago

11

Solve the following quadratic equation by factoring:

y^{2}" alt="y^{2}" align="absmiddle" class="latex-formula">-8y=0

1 answer:

Furkat [3]3 years ago

4 0

Answer:

y = 8 or y = 0

Step-by-step explanation:

Solve for y over the real numbers:

y^2 - 8 y = 0

Factor y from the left hand side:

y (y - 8) = 0

Split into two equations:

y - 8 = 0 or y = 0

Add 8 to both sides:

Answer: y = 8 or y = 0

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2ab( 4a2 + 3ab - 7b2)

Kisachek [45]

Answer:

6ab + -3a2

Step-by-step explanation:

2ab(4a2 + 3ab - 7b2) original problem

2ab(3ab + 4a2 - 7b2) commutative property

2ab(3ab + -3a2) subtract

4 - 7 = -3

6ab + - 3a2 mulitiply

2ab x 3ab = 6ab

and that is you final expression, you can't add the last 2 numbers cause they are not like terms.

5 0

3 years ago

Read 2 more answers

Liliana takes 4 breaths per 10 seconds during yoga.At this rate,about how many breaths would liliana take in 2 minutes of yoga

BlackZzzverrR [31]

480 accorind to my calcultion

4 0

3 years ago

Raise r to the 3rd power, then find the difference of the result and s

julsineya [31]

r^3 - s

Finding the difference means subtraction always.

7 0

3 years ago

Find the arc length of AB. Round your answer to the nearest hundredth.

Fantom [35]

The arc length of AB is 8 m (app.)

Explanation:

Given that the radius of the circle is 8 m.

The central angle is 60°

We need to determine the arc length of AB

The arc length of AB can be determined using the formula,

$arc \ length=\frac{central \ angle}{360^{\circ}} \times circumference$

Substituting central angle = 60° and circumference = 2πr in the above formula, we get,

$arc \ length=\frac{60^{\circ}}{360^{\circ}} \times 2 \pi(8)$

Simplifying the terms, we get,

$arc \ length=\frac{8 \pi }{3}$

Dividing, we get,

$arc \ length=8.37758041$

$arc \ length=8(app.)$

Hence, the arc length is approximately equal to 8.

Therefore, the arc length of AB is 8 m

5 0

4 years ago

Anybody know this answer

katrin [286]

It shows three periods of a sin graph

3 0

3 years ago