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Amanda [17]
3 years ago
7

Which of the following equations is an example of inverse variation between the variables x and y

Mathematics
1 answer:
Artist 52 [7]3 years ago
5 0

Answer:

The correct answer is option B

Step-by-step explanation:

The general form of inverse variation between the variables x and y is as following:

y * x = c where c is constant

option A : y = x/12 ⇒ x = 12y (wrong option)

option B : y = 12/x ⇒ y * x = 12 (correct option) and c will be equal 12

option C : y = x + 12 ⇒ not similar to the general form (wrong option)

option D : y = 12x (wrong option)

So, the correct option is B

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Find the measure of line segment MK. K 8 I 7 J M 5 2x+1<br>​
mrs_skeptik [129]

Hello!

This is a problem about relating circle theorems to line lengths.

We can first see that both line segment MK and CM are secants within the circle that come from a common point K.

This means that the Intersecting Secant Theorem applies here.

The Intersecting Secant Theorem states that if two secants are formed from a common point outside the circle, the length of each secant multiplied by the length of its corresponding external secant are equivalent.

We can set up the following equation.

8(8+x+5)=7(7+2x+1)

8(x+13)=7(2x+8)

8x+104=14x+56

6x=48

x=8

Using this value, we can find the length of line segment MK.

MK=x+5+8

MK=8+5+8

MK=21

Hope this helps!

5 0
3 years ago
Kim's class voted on a location for a field trip. 3/4 of the class voted for the museum. 1/8 of the class voted for the zoo. The
RUDIKE [14]

Answer:

1/8

Step-by-step explanation:

3/4 is the same as 6/8. 6/8 plus 1/8 is 7/8. 8/8 minus 7/8 is 1/8.

5 0
4 years ago
What is the greatest whole number that rounds to 277300
saveliy_v [14]
The answer is 300,000 because you have to round the bigger number that is 2 and don't forget to go next door and round 7 and that tell if it going up one more. We round 277,300 7 is more so add one more to the 2 and that is 300,000.
5 0
4 years ago
What is the decimal expansion of the following fraction?<br> 1/8
Sholpan [36]

It's 0.125, it's not endless either

8 0
3 years ago
Classify the triangle by its angle measures. 80 30 70
umka21 [38]

Answer:

Scalene

Step-by-step explanation:

The three angles have different measures, so the sides have different lengths.

Sometimes it's hard not to assume something from a picture.  Just because two of the sides look congruent doesn't mean they are.  The information in the diagram (and geometry knowledge and logic!) are your guide.

4 0
3 years ago
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