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ankoles [38]
3 years ago
12

Delilah does 184 jumping jacks in 4 minutes. She does her jumping jacks at a constant rate.

Mathematics
2 answers:
ikadub [295]3 years ago
6 0

Answer:

she did 46 jumping jacks per minute

Step-by-step explanation:

Ivahew [28]3 years ago
3 0

Answer:

46 jumping jacks per minute

Step-by-step explanation:

184/4= 46

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7-0.3×&gt;4<br>solve for x​
Troyanec [42]

Answer:

x<10

Step-by-step explanation:

Add '-7' to each side of the equation.

7 + -7 + -0.3x = 4 + -7

Combine like terms: 7 + -7 = 0

0 + -0.3x = 4 + -7

-0.3x = 4 + -7

Combine like terms: 4 + -7 = -3

-0.3x = -3

Divide each side by '-0.3'.

x = 10

Simplifying

x = 10

4 0
3 years ago
Suppose that 4 fair coins are tossed. Let Equals The event that exactly 2 coins show tails and Equal The event that at least 2 c
faust18 [17]

Answer:

a) P ( E | F ) = 0.54545

b) P ( E | F' ) = 0

Step-by-step explanation:

Given:

- 4 Coins are tossed

- Event E exactly 2 coins shows tail

- Event F at-least two coins show tail

Find:

- Find P ( E |  F )

- Find P ( E | F prime )

Solution:

- The probability of head H and tail T = 0.5, and all events are independent

So,

                    P ( Exactly 2 T ) = ( TTHH ) + ( THHT ) + ( THTH ) + ( HTTH ) + ( HHTT) + ( HTHT)  = 6*(1/2)^4 = 0.375

                    P ( At-least 2 T ) = P ( Exactly 2 T ) + P ( Exactly 3 T ) + P ( Exactly 4 T) = 0.375 + ( HTTT) + (THTT) + (TTHT) + (TTTH) + ( TTTT)

      = 0.375 + 5*(1/2)^4 = 0.375 + 0.3125 = 0.6875

- The probabilities for each events are:

                    P ( E ) = 0.375

                    P ( F ) = 0.6875

- The Probability to get exactly two tails given that at-least 2 tails were achieved:

                    P ( E | F ) = P ( E & F ) / P ( F )

                    P ( E | F ) = 0.375 / 0.6875

                    P ( E | F ) = 0.54545

- The Probability to get exactly two tails given that less than 2 tails were achieved:

                    P ( E | F' ) = P ( E & F' ) / P ( F )

                    P ( E | F' ) = 0 / 0.6875

                    P ( E | F' ) = 0                

6 0
3 years ago
Please help i dont get it..<br><br> Determine the average rate of change from 0 to 3.
lapo4ka [179]

Answer:

your answer will be D

Step-by-step explanation:

look at the graph and find a corner by the black line  there is a corner by -2 and positive 2

3 0
3 years ago
What is the slope and y intercept in the graph shown
Alona [7]

Answer:

slope: -1/2

y intercept: 28

5 0
3 years ago
Read 2 more answers
Dino has 14 coins and 2 one dollar bills which describes the relationship between the coins and the dollar bills?
kakasveta [241]

Answer:

All together Dino has 2 dollars and 14 cents.

Step-by-step explanation:

I hope this helps. Sorry if I am wrong.

5 0
3 years ago
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