A bag contains 5 yellow marbles, 7 pink marbles, and 3 purple marbles. Gordon selects a marble without looking. What is the probability that he selects a yellow marble or a purple marble?

Answers

Answer 1

Answer: 5 + 7 + 3 = 15, so there are 15 marbles in the bag
There's a 5/15 chance of a yellow marble
There's a 3/15 chance of a purple marbe
Add them up
8/15 chance of a yellow or purple marble

Answer 2

Answer:

Answer:

the awnser is 8/15 because of 5+3=8

Step-by-step explanation:

5+7+3=15

8/15

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is there a 9's trick in multiplication? if so please tell me! i would love to know since i am so terrible with my 9.

Answers

There is a nine trick
First, you hold up all of your fingers
So if you're doing 6x9, you would hold up your 10 fingers, and count to six, while each number, hold a finger down. When you're done, you should have the thumb of your right hand down. So since your left hand has 5 fingers down, that's 50. Next, you skip your thumb and count 4. That's 54
6x9 is 54

There is a nines trick Ex. 9 x 8 You put your hands in front of you and would put the eighth finger down. The eight finger is like an imaginary line. The fingers that are up on the left side are the tens. And the fingers up on the right are the ones. Then when you add them together they make the anwser of 72. And it works for any number. I hope i helped

Emily is 4 years older than Grace. When their ages are added together they equal 26. How old is Emily?

Answers

26-4=2222/2=11Emily is 11

The sum of two consecutive interferes is at least 7 (n and n + 1 represent two interferes

Answers

consecutive integers are 1 apart so they are n and n+1

their sum (add) is at least 7
sum>7

sum means add
n+n+1>7
2n+1>7
minus 7 both sides
2n>6
divide 2
n>3

the smaller number mist be at least 3, (making the bigger number at least 4)

Please help I’m stuck and it’s late and it’s due tomorrow

Answers

the shape is a pyramid which means theres 4 triangles (all are equal) and a square at the bottom

Tringle area: 1/2bh

1/2(4)*5=10

area of triangle is 10m

Square area: bh

4*4=16

area of square 16m

surface area:

4(10)+16= 56

surface area: 56m

Answer:

google SA of a pyramid and fill it out

Step-by-step explanation:

How to find the radius of a sphere

Answers

Answer:

Divide the diameter by 2.

Step-by-step explanation:

FIRST TO HELP ME WILL GET Brainleyist!!! Find the perimeter of the parallelogram,

A. 15.9ft
B. 24.84ft
C. 31.8ft
D. 11.73ft

Answers

Answer:

C. 31.8ft

Step-by-step explanation:

Perimeter of a parallelogram is calculated by this formula P = 2(a+b) (b: base, a: side)

The base given here is 10.8 ft and side is 5.1 ft

2 × (5.1+10.8) = 31.8 ft

Answer:

B) 24.84.

Step-by-step explanation:

Its hard to explain but ===>

First do Pythagorean theorem with 2.3 and 5.1.

You will need to do two thing with that answer.

First subtract it from the 10.8. That will be used for later.

Also, multiply it by 2.3 that is for the triangles that are on the sides.

Next you will want to take the number you set aside and multiply it by 2.3.

Finally add and you will have your answer.

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