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Bond [772]
3 years ago
13

For the spinner above, the probability of landing on black is 1/2, and the probability of landing on red is 1/3. Suppose it is s

pun three times. What is the probability it will land on black all three times?
Mathematics
1 answer:
8_murik_8 [283]3 years ago
7 0

Answer:

1/8

Step-by-step explanation:

P = 1/2 × 1/2 × 1/2

P = 1/8

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A bag contains 7 red marbles, 4 white marbles, and 11 blue marbles. Find P ( not red).
barxatty [35]
If it's multiplied it is 44. If it is added, it is 15. If it is divided, it would be 4/11 or 11/4.
6 0
3 years ago
A researcher investigates whether there is a relationship between hours of sleep and memory for photographs. The researcher assi
ehidna [41]

Answer:

It is the experimental condition.

Step-by-step explanation:

In the experiment given in the question, the amount of sleep is the independent variable and the number of photographs they remember is the dependent variable because it depends on the amount of sleep.

The 8 hours of sleep, which creates the difference in the experiment between the control group and the test group, is the experimental condition.

The experimental condition is the variable that is changed to let the researcher observe the effects on the dependent variable.

I hope this answer helps.

8 0
3 years ago
Read 2 more answers
What 30000.48978 rounded up
Fudgin [204]

Answer:

Rounded to the nearest ones: 30000

Rounded to the nearest tenths: 30000.5

Rounded to the nearest hundredths: 30000.49

Rounded to the nearest thousandths: 30000.490

Rounded to the nearest ten-thousandths: 30000.4898

7 0
3 years ago
Rationalize the denominator of sqrt -9 / (4-7i) - (6-6i) ...?
Colt1911 [192]
√(- 9 ) / (( 4 - 7 i ) - ( 6 - 6 i )) = 3 i / ( 4 - 7 i - 6 + 6 i ) =
= 3 i / ( - 2 - i ) = - 3 i / ( 2 + i ) =
= \frac{-3i}{2 + i}* \frac{2 - i}{2 - i}= \\ =   \frac{-6i+3i ^{2} }{2- i^{2} }= \\ = \frac{-3-6i}{2+1}= \frac{-3-6i}{3}=
= - 1 - 2 i

5 0
3 years ago
How many terms are in the expression<br><br> a3 + 3a2b - 4b - 11b + 7<br><br> 5<br> 6<br> 4<br> 7
Contact [7]

Answer:

there are 5 terms!

Step-by-step explanation:

trust me

6 0
2 years ago
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