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Shkiper50 [21]
3 years ago
10

Explain how 9*4 can help you find 9*8.

Mathematics
2 answers:
Naddika [18.5K]3 years ago
3 0
9x4 can help you find 9x8 because after you find your answer all you have to do is add 9 four more times to get the sum of 9x8.
Pavlova-9 [17]3 years ago
3 0
If you know that 9*4 is 36, then you multiply by two to get 9*8 which is 72, because 36 2=72
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What is the unit rate for a 14 oz bag of Lays Potato Chips that costs $3.25.
Ronch [10]
The unit rate is 14 over 3.25 then get 1oz then divide by 3.25
4 0
3 years ago
Lacy draws a diamond from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card
Viktor [21]

Answer:

a) i) No

ii) Probability of drawing a diamond and then spade without replacement is 0.0637.

b) i) Yes

ii) Probability of drawing a diamond and then spade with replacement is 0.0625

Step-by-step explanation:

Part a) Without replacement:

i) Are these events independent?

No, because the both events are dependent. because a card taken out of the deck is not replaced back before taking out the other card so the chances of event occur change.

ii) Determine the probability of drawing a diamond and then a spade without replacement.

Probability of drawing a diamond and then spade = (Probability of drawing a diamond) * (Probability of drawing a spade)

Probability of drawing a diamond :

Total cards in deck = 52

Diamonds = 13

Probability of drawing a diamond  = 13/52

Probability of drawing a spade:

Total cards in deck after taking diamond = 52 -1 =51

Spades = 13

Probability of drawing a spade  = 13/51

Probability of drawing a diamond and then spade = 13/52 * 13/51

= 169/2652

=0.0637

So, Probability of drawing a diamond and then spade without replacement  is 0.0637

Part b) With replacements

i) Are these events independent?

Input Yes or No:

Yes, these events are independent because a card taken out of the deck is replaced back before taking out the other card so the chances of event occur doesn't change.

ii) Determine the probability of drawing a diamond and then a spade with replacement.

Probability of drawing a diamond and then spade = (Probability of drawing a diamond) * (Probability of drawing a spade)

Probability of drawing a diamond :

Total cards in deck = 52

Diamonds = 13

Probability of drawing a diamond  = 13/52

Probability of drawing a spade:

Total cards in deck after replacing diamond = 52

Spades = 13

Probability of drawing a spade  = 13/52

Probability of drawing a diamond and then spade = 13/52 * 13/52

= 169/2704

=0.0625

So, Probability of drawing a diamond and then spade with replacement is 0.0625

7 0
3 years ago
2 over 3 - 5 over 12 In fraction form​
Montano1993 [528]
The answer is 1/4. Hope I could help! :D
3 0
3 years ago
7/11 of a class walk to school. What fraction of the class did not walk to school
elena55 [62]

Answer:

4/11 of the class did not walk to school.

Step-by-step explanation:

11/11 - 7/11 = 4/11

7 0
2 years ago
Can you help me if c-7.6=-4 what is c
ziro4ka [17]

Answer:

yes look below

Step-by-step explanation:

c = 3.6

Move all terms not containing c to the right side of the equation.

3 0
3 years ago
Read 2 more answers
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