Which of the following is not a possible r-value ?A: -0.6
B: -1.3
C: 0.3
D: 0.6

Answers

Answer 1
Answer: Answer: B) -1.3

The value of r must be between -1 and 1. The r value can be -1 or 1. 

In terms of an inequality, we can say -1 \le r \le 1 (r is between -1 and 1 inclusive of both endpoints)
Answer 2
Answer:

Answer:

Just answered the question the answer was -1.3 :)

Step-by-step explanation:


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Helen had 5/6 can of orange juice. She spilled 2/6 of a can. How much juice did Helen have left?

Answers

Given: 5/6 can of orange , 2/6 can of orange spilled

Unknown: How much juice did Helen have left?

Solution: 5/6-2/6=n

Answer: 1/2 juice left for Helen

ProblemKong took 15\%15%15, percent fewer seconds than Nolan took to complete his multiplication timed test. Kong took 858585 seconds.
How many seconds did Nolan take?

Answers

kong: 15% 15x100=1,500

Nolan:85 seconds 85x2=170

then when you multiple kong by 15 and 100 it gives you 1,500 however nolan did of the seconds 85x 2 gives you 170 . in conclusion Nolan did 15x2=30 . which means Nolan did 30 seconds.

The expression 8 x ( 2 + 1 ) ^2 divided by 3 = ____

Answers

Answer:

8 x ( 2 + 1 ) ^2

8 x (3)^2

8x9

72

Now, we have to divide that by 3, and we get 24 as a final answer.

Let me know if this helps!

Answer:

27??? i think

Step-by-step explanation:

Two cards are drawn in succession from a pack of 52 well-shuffled cards. find the probability that :1) only the first card is a king
2) first card is a jack of diamonds or a queen 3) at least one card is a picture card
4)not more than one card is a picture card
5) the cards and not of the same suit
6) the second card is not a heart
7) the second card is not a heart given that the first card is a heart
8) the cards are Aces or diamond or boats

Answers

Probabilities:
1)  4/52 * 48/51 = 192/2652 = 16/221
     ( explanation : 4- the number of kings, 52- the number of all cards on the pack, 48 - the number of other cards, 51- the number of cards that remain after picking first card)
2) (1/52+4/52) * 51/51 = 5/52 * 1 = 5/52
     ( in brackets are probabilities that 1st card is jack diamond or a queen )
3) 12/52 * 11/51 + 12/52 * 40/51 + 40/52 * 12/51= 91/221 
     
( first is the probability that there are no picture cards, then one picture card: probability 12/52 * 40/51 that 1st is picture card and 40/51 * 12/52 that 2nd is a picture card)
4) 40/52 *39/51 + 12/52 *40/51 + 40/52 * 12/51= 210/221
5) 13/52 * 39/51= 169/884
     ( first is one suit and 2nd is another)
6) 39/52 * 38/51 + 13/52 + 39/51= 19/34
7)13/52 * 39/51 = 13/68  
8) 4/52 * 3/51 + 13/52 * 12/51 + 4/52 * 12/51 + 1/51 =29/663

Express 7.4 x 10² in standard form.


MATH​

Answers

10^2 = 100

7.4 × 10^2 = 7.4 × 100 = 740

Answer: 740

Answer:

7.4 x 10²

7.4 *100

740

Step-by-step explanation:

The main tank at an aquarium is a cylinder with diameter 203 ft and height 25 ft. Using 3.14 for pi, find the volume of the tank to the nearest cubic foot.

Answers

If the main tank at an aquarium is a cylinder getting the volume of the tank we have to follow the equation V = πr^2h. So we basically following the equation we should have V = (3.14)(101.5)2(25). We have to get the full equivalent values for each parameter so this would show as V = (3.14)(10302.25)(25) = 808726.625 or 808727 cubic feet.