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4 years ago

Which choice names a diameter of circle F.

Mathematics

2 answers:

ANEK [815]4 years ago

7 0

Answer:

option C. AC

Step-by-step explanation:

we know that

The diameter is the distance from one point on a circle through the center to another point on the circle

In this problem

AC---------> is a diameter

EB --------> is a diameter

therefore

the answer is the option C. AC

m_a_m_a [10]4 years ago

4 0

I would say c because FE is a radius BA i think is a chord and EC isn't even a line

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The sum of digits in a two digit number formed by two digits from 1 to 9 is 8. If 9 is added to a number then both the digits be

Arturiano [62]

<h2>Explanation:</h2><h2></h2>

Here we need to set a system of two linear equations in two variables. So:

<em>The sum of digits in a two digit number formed by two digits from 1 to 9 is 8:</em>

Let $x \ and \ y$ be those digits, then:

$x+y=8 \ \ldots eq1$

<em>If 9 is added to a number then both the digits become equal. find the number:</em>

<em />

<em /> $10x+y+9 \ldots expression \ 1$ <em />

<em />

But from eq 1:

$y=8-x$

Substituting y into the expression 1:

$10x+(8-x)+9=9x+17$

The x-value will be found by hit and trial, so:

Let x = 1:

$9x + 17 = 9(1)+17 = 26$

We have to reject this solution because digits are different.

Let x = 2:

$9x + 17 = 9(2)+17 = 35$

We have to reject this solution because digits are different.

Let x = 3:

$9x + 17 = 9(3)+17 = 44$

<em>Then this is a two digit number formed by two equal digits. </em>

Finally, the number is:

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3 years ago

A rectangular prism has a length of 20 in., a width of 2 in., and a height of 3 1/4 in. The prism is filled with cubes that have

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5,400 cubes is needed to fill the rectangular prism.

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3 years ago

For t=2, 15t - 2t is equal to

weqwewe [10]

Answer:

Step-by-step explanation:

=15(2) - 2(2)

=30 - 4

=26

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3 years ago

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Step-by-step explanation:

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2 years ago

Please help i have 2 questions and the second question has 2 answer choices. thank you.

Damm [24]

Question 1:

The line segment with measure of 14 units is tangent to the circle, meaning that it is perpendicular to the radius.

Thus, we have a right triangle with legs of 14 and x and a hypotenuse of x+10.

Use the Pythagorean theorem to solve for x.

$(x+10)^2=x^2+14^2$

$x^2+20x+100=x^2+196$

Subtract both sides by x^2

$20x+100=196$

Subtract both sides by 100

$20x=96$

Divide both sides by 20

$x=4.8$

The third choice is your answer.

Question 2:

This question actually has 3 answers.

The answers to this question are the first, second, and fourth choice.

The first choice is correct because this is a property of a tangent line.
The second choice is also correct because this is also a property of the tangent line.
The third choice is incorrect because the tangent line only intersects the radius at the end of the radius.
The fourth choice is correct because that's what a tangent is.
The fifth choice is incorrect because that's actually a property of a secant, not a tangent.
The last choice is incorrect because there are infinitely many lines tangent to a single circle.

3 0

3 years ago