A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn.B)What is the probability of selecting two white marbles?

C) Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? Plz show your work THANKS!!

Answers

Answer 1

Answer: b.) there is a 22.2% chance you will pick two white marbles

c.) there is a better change of selecting two purple in a row because there is a 77.7% chance that you will pick purple

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88 is 11% of what number

Answers

Try this formula 88/x=11/100 11x=88✖️100 11x=8800 8800➗11 Answer:800

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Answers

Answer:

30:50

Step-by-step explanation:

80 Students.

50 Girls.

The Rest would be Boys so 80-50 equals to 30.

This would make the ratio 30:50 which simplifies to 3:5

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Kendra says that she can draw <A and <B so that m <A is 119° and <A and <B are complementary angles. do you agree or disagree? explain your reasoning.

Answers

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Find the sum and express it in simplest form (-8a^3 - 7a) + ( a^3 - a + 3

Answers

Answer:

-7a³ - 8a + 3

Step-by-step explanation:

$-8a^3 - 7a + a^3 - a + 3$

$-7a^3 -8a + 3$

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Mark wrote the highest score he made on his new video game as the product of 70x6,000. Use the associative and commutative properties to show how mark can calculate this product mentally

Answers

Answer:

70 × 6000 = 420000

Step-by-step explanation:

In this question, we need to write the product of two numbers 70 × 6000 using associative and commutative properties.

Two numbers are commutative if,

a × b = b × a

Two numbers are associative if,

(a × b) × c = a × (b × c)

Here, $70* 6000=(7* 10)* (6* 1000)$

$70* 6000=7* 10* 6* 1000$

Using commutative property as,

$70* 6000=7* 6* 10* 1000$

Now using associative property as,

$70* 6000=42* (10* 1000)$

$70* 6000=42* (10000)$

$70* 6000=420000$

So, 70 × 6000 = 420000. Hence, this is the required solution.

you need a caculater that is what you need tho

A recipe that makes 8 servings requires 3 1/2 cups of milk. Which of the following equations can be used to find the number of servings, x, that can be made using 14 cups of milk, based on the recipe?1) 3 1/2 / 8 = x/14
2) 8/ 3 1/2= x/14
3) 3 1/2 / 14=x/8
4) 14/8= x/ 3 1/2
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Answers

8 servings require 3 1/2 cups of milk
x servings require 14 cups of milk

When the number of servings increases, the number of required cups of milk also increases. The ratio of servings to cups of milk is constant, so:
$(8)/(3 (1)/(2))=(x)/(14)$

The answer is 2).

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