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2 years ago

Hay there can anybody answer this

Mathematics

1 answer:

Alexus [3.1K]2 years ago

5 0

Answer:

x = 12

Step-by-step explanation:

The two marked angles where the transversal crosses the parallel lines are alternate interior angles, so are congruent. This fact gives you the relation you need to solve for x.

4x +12 = 60

4x = 48 . . . . . . subtract 12

x = 12 . . . . . divide by 4

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Which of the following is the missing justification?

Montano1993 [528]

Answer:

B and C

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3. C Distributive Property

Step-by-step explanation:

1. Given

$\dfrac{1}{5}\cdot x+6=5$

2. Multiply this equation by 5:

$\left(\dfrac{1}{5}\cdot x+6\right)\cdot 5=5\cdot 5$

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3. Use distributive property of equality:

$\dfrac{1}{5}\cdot x\cdot 5+6\cdot 5=25\\ \\x+30=25$

4. Subtract 30:

$x+30-30=25-30\\ \\x=-5$

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3 years ago

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3 years ago

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If a coin is flipped 20 times and a head comes up 13 times, What is the relative frequency of a head coming up?

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3 years ago

Simplify 25^ - 1/2 <br><br>Please explain! I know the answer is 1/5 but why?

lisov135 [29]

$(25)^{-\frac{1}{2} }$

When the exponent is negative, you have to make the number a fraction(1 over the number).

For example:

$25^{-2} = \frac{1}{25^{2} }$

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This gets rid of the negative, but it leaves the exponent

$(25)^{-\frac{1}{2}} = \frac{1}{25^{1/2}}$

When an exponent is a fraction, it is the square root.

For example:

$x^{\frac{1}{3}} = \sqrt[3]{x}$

$x^{\frac{1}{2}} =\sqrt{x}$

$x^{\frac{1}{4}}=\sqrt[4]{x}$

So...

$\frac{1}{25^{1/2}} = \frac{1}{\sqrt{25} } = \frac{1}{5}$

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3 years ago

Ryan earns a base salary of 48,000 plus 3.5% commission on sales. His total sales for one year were 500,000. Find Ryan's total p

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Answer:

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Step-by-step explanation:

48,000 * 12 = 576000

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4 years ago