1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
love history [14]
3 years ago
11

a. A bag contains 7 b l u e marbles, 10 g r e e n marbles, and 5 r e d marbles. If a marble is drawn from the bag, replaced, and

another marble is drawn, what is the probability of drawing first a b l u e marble and then a r e d marble
Mathematics
1 answer:
Maru [420]3 years ago
8 0

7 + 10 + 5 = 22 total marbles.

Picking a blue one first would be 7 blue/22 total = 7/22

Picking a red one would be 5 red / 22 total = 5/22

Picking blue first and then red = 7/22 x 5/22 = 35/484

You might be interested in
How is multiplying two decimals different from multiplying one decimal by a whole number?
Natasha2012 [34]

Answer: The major difference is that after you have finished multiplying all the terms (while ignoring the decimal points), you have to add up how many decimal places there are in the factors, and put that many decimal places in the answer.

Step-by-step explanation:

4 0
3 years ago
What is the volume of the rectangular prism with 16cm , 9cm, and 4cm
aleksley [76]

Answer:

576 cm cubed

Step-by-step explanation:

9 x 16 x 4 = 576

8 0
3 years ago
How can bar diagrams be used to model numerical expressions
vesna_86 [32]
A bar diagram can be used to represent algebraic expressions or to give examples.
5 0
3 years ago
Read 2 more answers
There are (4^9)5 ⋅ 4^0 books at the library. What is the total number of books at the library?
LenKa [72]
Your answer is B. You multiply 5 by the exponents and 4^0 is just 1, so 4^45•1=4^45. Hope this helped!
7 0
3 years ago
Which shows the expression below simplified? 0.00048 - (3.4 × 10-5) A. 4.46 × 10-4 B. 3.39952 × 10-5 C. 4.46 × 10-5 D. 1.4 × 10-
MakcuM [25]

Option C

The simplified form of given expression is 4.46 \times 10^{-4}

<em><u>Solution:</u></em>

Given that we have to simplify the expression shown below

0.00048 - (3.4 \times 10^{-5})

Let us first convert 0.00048 to scientific notation

<em><u>Steps to follow:</u></em>

Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is a.

Count how many places you moved the decimal point. This number is b.

If you moved the decimal to the left b is positive.

If you moved the decimal to the right b is negative.

If you did not need to move the decimal b = 0.

Write your scientific notation number as a x 10^b and read it as "a times 10 to the power of b."

Remove trailing 0's only if they were originally to the left of the decimal point.

0.00048 = 4.8 \times 10^{-4}

So the given expression becomes,

\rightarrow 4.8 \times 10^{-4} - 3.4 \times 10^{-5}

Let us make the exponent of second term as -4

\rightarrow 4.8 \times 10^{-4} - 0.34 \times 10^{-4}

Take 10^{-4} as common term,

\rightarrow 10^{-4} (4.8 - 0.34)

\rightarrow 4.46 \times 10^{-4}

Thus option C is correct

7 0
3 years ago
Other questions:
  • A tank initially contains 1000 liters of salt solution with 70 grams of salt per liter. A solution containing 120 grams of salt
    11·2 answers
  • I need help ASAP
    12·1 answer
  • GIVNING BRAINLIST
    11·1 answer
  • MATH PLEASE
    14·2 answers
  • Help asap Please show working​
    14·1 answer
  • Luke was packing up his old toys. He managed to squeeze eight toys into a box. If Luke filled up seven boxes, how many toys did
    10·1 answer
  • 1 A camera is capable of snapping 3/4 of a picture per second. How many pictures can be snapped within a 36-second period?
    7·1 answer
  • I did the lines already how do i find the angles
    5·1 answer
  • Plzz help me find the value of x im being timed plz !!
    8·1 answer
  • Use multiplication to solve the following problems.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!