2 years ago

Find the size of the angles marked with a letter

1 answer:

8 0

Alternate interior angles on parallel lines via the parallel postulate gives you the angle supplementary to x = 120°, so x = 60°. alternate interior angles on 70° via the parallel postulate gives you y = 70°

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Find the solutions to x² = 12.

Novosadov [1.4K]

Answer:

$x = \pm 2\sqrt3$

Step-by-step explanation:

Hello!

Let's use the square root property to solve this question

Solve:

$x^2 = 12$
$\sqrt{x^2} = \sqrt{12}$
$x = \pm\sqrt{12}$
$x = \pm \sqrt{4 * 3}$
$x = \pm 2\sqrt3$

The answer is option A: x = ±2√3

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1 year ago

HELP WILL GIVE BRAINLIEST!!!!

iris [78.8K]

Answer:

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Step-by-step explanation:

I did it on paper and looked it up to make sure

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2 years ago

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lys-0071 [83]

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Step-by-step explanation:

does that help?

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Which of the following are expressions? Check all that apply.

Ainat [17]

Answer:

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the difference of x and 8

Step-by-step explanation:

u need a number, a varible(letter), and a [+, -, /, x(*)]

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3 years ago

There are 13 dimes and 7 pennies in a cup. What is the probability of not drawing a penny

andre [41]

The probability of not drawing a penny is 13/20, or 0.65, or 65%

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Find the size of the angles marked with a letter​

Find the size of the angles marked with a letter