4 years ago

Hello i need help ;)

Mathematics

1 answer:

FrozenT [24]4 years ago

7 0

Okay what do you need help with?

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There are 10 students in a class: 3 boys and 7 girls. If the teacher picks a group of 3 at random, what is the probability that

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2/3 is the probability

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The annual salary for a computer technician at Company A ranges from $41,000 to $63,000, with a mean of $58,000. At Company B, t

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Answer:

Salaries for computer technicians at Company A vary more than salaries at Company B.

Step-by-step explanation:

The reason why salaries for computer technicians at Company A vary more than salaries at Company B.

Range of Company A = $63,000 − $41,000 = $22,000; Range of Company B = $65,000 − $45,000 = $20,000. → $22,000 > $20,000

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One angle of a right anglers 68.<br>find the other anglen grades.

slega [8]

Answer:

22°

Step-by-step explanation:

if is a right triangle than has a 90° angle

we are given another 68° angle

and we know the sum of angles in a triangle is 180° so

180-90-68 = 22°

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3 years ago

Please show me how to do this problem

sleet_krkn [62]

Answer:

Hi there, you can use Pitagoras relationship to solve this up (Without using any other "tool".

Point A is located wheter in (-6,8) or could be located in (-6,8)

Step-by-step explanation:

Point A is 10 units away from the origin, and its x coordinate is -6, using this information, you can draw a triangle from 0 to -6 (the basis) and using 10 as the hypotenuse, so, you have this equation:

$H^{2} = x^{2} +y^{2}$

solving for Y variable, you have this

y=± $\sqrt{10^{2}-(-6)^{2} }$

Note the combined sing ±, meaning that y=8 is a valid answer and that y= -8 is also a valid answer.

Hope It helps

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3 years ago

The circumference of a circle is 28 inches. What is the length of the radius of this circle?

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The Corrct answer it 28

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