MATHEMATICS HIGH SCHOOL

Two standard number cubes are rolled  Find each probability.12. P(a sum equal to 12)

13. P(sum not equal to 2 )

14. P(a product equal to 15)

15. P( a product not equal to 15)

Answers

Answer 1
Answer:

Answer:

im sorry i suck at math

Step-by-step explanation:
Answer 2
Answer: 12. 6,6 8,4 4,8 1/4 25%

13. 11/12

14. 3,5 5,3 1/6

15. 5/6

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When something is parallel to each other there what

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Answer:

they are 2 lines that look ;like this =

Step-by-step explanation: the 2 lines of the equal sign are parallel
they are side by side like two lines next to each other

A 4-pound bag of sugar contains 454 one-teaspoon servings and costs $3.49. A batch of muffins uses 1/4 cup of sugar. How many batches can you make if you use all the sugar? What is the cost of sugar for each batch? (1 cup = 48 teaspoons)

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About 9 times with a remainder of 22 teaspoons

Bob has a tree house at a height of 20 ft. When he's feeling adventurous he uses a rope to climb the tree house instead of the ladder. If the weight of the rope is 32 lb, then how much work must Bob do to pull the rope up once he has entered the house? A. 173.00 ft-lb B. 235.29 ft-lb C. 320.00 ft-lb D. 383.54 ft-lb

Answers

Answer:

This is a question of Potential energy. are you sure these are the options for it?

How do I determine the radius of x^2+y^2=25 ?

Answers

Circles!!!

The general formula is:
x^2 + y^2 = r^2
where x and y form the circle while r is the radius.

You already have the problem set up in its general form and you don't want the radius squared... so square root everything.

If you do that then you'll get:
x + y = 5
where 5 is the radius and NOT the radius squared. If you have questions then leave a comment. Good luck!

Find the value of 42 + 6 ÷ 2.

Answers

If you do order of operations, you divide 6 and 2 getting 3. Add 42 and 3. 45 is the answer.

Answer: the answer is 7

Simplify (8j^3-10j^2-7)-(6j^3-10j^2-j+12)

Answers

The first step for solving this expression is to remove the first set of parenthesis.
8j³ - 10j² - 7 - (6j³ - 10j² - j + 12)
When there is a "-" sign in front of the parenthesis,, you must change the sign of each term in the parenthesis. This will look like the following:
8j³ - 10j² - 7 - 6j³ + 10j² + j - 12
Eliminate the opposites in the expression
8j³ - 7 - 6j³ + j - 12
Collect the first set of like term (ones with j³) 
2j³ - 7 + j - 12
Calculate the difference between basic numbers
2j³ - 19 + j
Lastly,, use the commutative property to reorder the terms
2j³ + j - 19
Since you cannot simplify this expression any further,, the correct answer to your question is 2j³ + j - 19.
Let me know if you have any further questions
:)
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