MATHEMATICS MIDDLE SCHOOL

What are the factors for
A 50
B 45
C 24
D 60

Answers

Answer 1
Answer: The factors of 50: 1, 2, 5, 10, 25, 50

The factors of 45: 1, 3, 5, 9, 15, 45

The factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

The factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

I hope that helps :)

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I am regular polygon with all obtuseangles.I have the smallest number of
sides of any polygon with obtuse angles.
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and what shape is it? is it a triangle?

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obtuse means greater than 90 degrees one way is to see which one is at the border squaer has 4 right triangles 4 sides more sides means bigger angles go up one side 4+1=5 pentagon is answer 5 sides

Three urns of the same appearance are given as follows: Urn A contains 5 red and 7 white balls. Urn B contains 4 red and 3 white balls. Urn C contains 3 red and 4 white balls. An urn is selected at random and ball is drawn from the urn. (1) What is the probability that the ball drawn is red. (2) If the ball drawn is red, what is the probability that it came from urn A.​

Answers

a) The probability that the ball drawn is red is approximately 0.4615

b) If the ball drawn is red, the probability that it came from urn A is approximately 0.7222.

To calculate the probabilities, we can use the following formulas:

a) Probability of drawing a red ball (R):

P(R) = (Number of red balls) / (Total number of balls)

b) Probability that the ball came from urn A given that it is red (R|A):

P(R|A) = (Probability of drawing a red ball from urn A) / (Probability of drawing a red ball)

Let's calculate both probabilities:

a) Probability of drawing a red ball:

Total number of red balls = 5 (Urn A) + 4 (Urn B) + 3 (Urn C) = 12

Total number of balls = 5 (Urn A) + 7 (Urn A) + 4 (Urn B) + 3 (Urn B) + 3 (Urn C) + 4 (Urn C) = 26

P(R) = 12 / 26 ≈ 0.4615

b) Probability that the ball came from urn A given that it is red:

P(R|A) = (Probability of drawing a red ball from urn A) / (Probability of drawing a red ball)

P(R|A) = (5 / 12) / (12 / 26) = (5 / 12) * (26 / 12) ≈ 0.7222

To learn more about probability click on,

brainly.com/question/32589282

#SPJ2

Answer:

1. 12/26, or simplified as 6/13, or about 46%.

2. 5/26, or about 19%.

The base of a ladder is placed 5 feet away from a 13 foot tall wall. What is the minimum length ladder needed to reach the top of the wall (rounded to the nearest foot)?

Answers

Answer:

The answer is 14 acually

Step-by-step explanation:
What you have described is a right angled triangle with a hypotenuse of length 13 feet and a base of 5 feet. To find the length of the remaining side (i.e. how far up the side of the building the ladder reaches) you have to use Pythagora's Theorem. This states that the hypotenuse squared is equal to the sum of the squares of the other two sides. So your answer should be 13^2=5^2+(how far up the side of the building the ladder reaches)^2, which becomes 169=25+(other side)^2, =169-25=(other side)^2 = 144= (other side)^2, so the height that the ladder reaches up the side of the building equals 12 feet.

Pls need help now! Emergancy!

Answers

1 ton=2000pounds
120ton=2000lb times 120=240000lb

1/40 of that weight
240000/40=24000/4=6000

answer is 6000lb

What is greater than 40 but less than 20

Answers

I've already been complemented twice on my previous answer, but then I discovered that I mis-read the question.  My entire original answer was wrong, and I have to delete it.

I don't believe that any number can satisfy both of those conditions.
I'll say the question has no answer.

Find the area?????????

Answers

If we slice this down the middle and fit it together like a puzzle we'll get a rectangle base 9.6/2 and height 4.8+9 so area (9.6/2)(4.8+9) = 66.24 square units.


Choice d

Think of the area divided into two parts.

A rectangle, 4.8 units by 9.6 units,

and a triangle with base 9.6 units and height 9 - 4.8 = 4.2 units.

Find the areas of the rectangle and triangle and add them.


Rectangle:

A = LW = 4.8 * 9.6 = 46.08


Triangle:

A = bh/2 = 9.6 * 4.2/2 = 20.16


Add the areas:

46.08 + 20.16 = 66.24


Answer: d. 66.2 units^2
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