MATHEMATICS HIGH SCHOOL

3. Teesha is in french club. there are 19 students in the club. The french teacher will pick two students at random to guide visiting students from France. What is the probability that Teesha will not be picked up as a guide. A. 2/19
B. 17/19
C. 1/18
D. 18/19

Answers

Answer 1

Answer:

I think the answer is D! Hope that helps! Let me know if I’m wrong tho!!!

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If c is the midpoint of segment ab and ab = 20, what is ac? a.5 b.10 c.20 d.40

Answers

Answer:

b

Step-by-step explanation:

given that c is the midpoint of segment ab and ab = 20

Then ac is one half of ab

ac = $(1)/(2)$ × 20 = 10

Final answer:

In Geometry, a midpoint divides a line segment into two equal parts. So, if C is the midpoint of line segment AB with a total length of 20 units, the length of segment AC is 10 units.

Explanation:

The subject of this question is in the area of Geometry, specifically, it's about understanding the concept of a midpoint in a line segment. In a line segment AB, if C is the midpoint, it divides the line segment AB into two equal parts. So, if the total length of AB is 20 units, then the lengths of AC (from A to C) and BC (from B to C) are both equal to half of the total length. Hence, the length of segment AC is

10 units

. This is the concept of a midpoint which divides any given segment into two halves.

Learn more about Midpoint here:

brainly.com/question/33812804

#SPJ11

What is the value of k ?

Answers

120 hope this helps ;)

Abcd is a rectangle. Find the length of each diagonal. .AC= 3y/5 BD=3y-4

Answers

Answer:

AC = BD = 1 unit

Step-by-step explanation:

Given : length of diagonal of rectangle ABCD $AC=(3y)/(5)$ and $BD=3y-4$

We have to find the length of diagonal.

We know In rectangle diagonal are of equal lengths.

Therefore, for rectangle ABCD diagonals AC= BD

Substitute the values, we get,

$(3y)/(5)=3y-4$

Cross multiply , we get

$3y=5(3y-4)$

On simplyfy , we get

$3y=15y-20$

Solve for y , we get

$15y-3y=20$

$12y=20$

Divide both side by 12, we get,

$y=(20)/(12)=(10)/(6)$

Thus, put the values of y in AC and BD to find the length of diagonals , we get,

$AC=(3y)/(5)=(3)/(5)*(10)/(6)=1$

Similarly for BC, we get,

$BD=3y-4=3((10)/(6))-4=5-4=1$

Thus, AC = BD = 1 unit

I hope this helps you

124oz Equals what to lb

Answers

124 Oz is the same as 7.75 pounds

The mass of a computer

Answers

the mass of a computer uses kilogram (kg) so the weight of a computer is between .68 kg and .73... Hope it helps ur out..

Two numbers multiply to be -40 and add to be 3. What are the numbers?

Answers

Answer:

The numbers are (x,y)=(-5,8) or (8,-5)

Step-by-step explanation:

Let two numbers be x and y,

We have,

x+y=3

x=3-y---(i)

Now,

xy=-40

(3-y)y=-40 [From (i)]

3y-y^2=-40

y^2-3y-40=0

Factoring,

(y + 5) (y - 8)=0

Either,

y+5=0 or, y-8=0

y=-5 y=8

When y=-5,

x=3-y

3--5

3+5

8

When y=8,

x=3-y

3-8

-5

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