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Ronch [10]
3 years ago
12

6r = 3 (r - 4) - r hi plzzzzzz

Mathematics
2 answers:
Burka [1]3 years ago
5 0

Answer:

r = -3

Step-by-step explanation:

trust.

Anika [276]3 years ago
4 0
I don’t need to explain, all the math is there.

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Hannah bought x boxes of cereal boxes and y cartons of milk. The number of milk cartons she bought was 2 more than twice the num
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The answer is "a" because she has 5 total. 

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HELP! WILL GIVE BRAINLEST!
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Answer:

last option

Step-by-step explanation:

7pi/6,11pi/6

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Which of the expressions are equivalent to the one bllow? Check all that
nlexa [21]

Answer:

Option A is correct ...Both have value 42

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Eric teaches ceramics in his studio.he estimates that one out of every five people who call for information about a class will s
Vlada [557]

The probability that four or fewer of the people who called will sign up for a class = 0.9805

For given question,

Eric estimates that one out of every five people who call for information about a class will sign up for the class.

Last week he receive nine calls.

We need to find the probability that four or fewer of the people who called will sign up for a class.

Total number of calls = 9

⇒ n = 9

Since one out of every five people who call for information about a class will sign up for the class.

the probability of success (p) = 1/5

                                                  = 0.2

and the probability of failure (q) = 1 - p

                                                      = 1 - 0.2

                                                      = 0.8

To find the probability that four or fewer of the people who called will sign up for a class.

So, x would take values 0, 1, 2, 3, 4

Using Binomial principal,

For x = 0,

P(x=0)= ~^9C_0(0.2)^0(0.8)^{9-0}\\\\P(x=0)=0.13422

For x = 1,

P(x=1)= ~^9C_1(0.2)^1(0.8)^{9-1}\\\\P(x=1)=0.30199

For x = 2,

P(x=2)= ~^9C_2(0.2)^2(0.8)^{9-2}\\\\P(x=2)=0.30199

For x = 3,

P(x=3)= ~^9C_3(0.2)^3(0.8)^{9-3}\\\\P(x=3)=0.17616

For x = 4,

P(x=4)= ~^9C_4(0.2)^4(0.8)^{9-4}\\\\P(x=4)=0.06606

So, the required probability would be,

P = P(x = 0) + P(x = 1) + P(x = 2) + P(x = 3) + P(x = 4)

P = 0.1342 + 0.3020 + 0.3020 + 0.1762 + 0.0661

P = 0.9805

Therefore, the probability that four or fewer of the people who called will sign up for a class = 0.9805

Learn more about the probability here:

brainly.com/question/3679442

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3 0
1 year ago
Write the number in exponent form
In-s [12.5K]

3. The Correct Answer is \frac{-2^2}{-6^3}


4. The Correct Answer Is \left(3^2\right)\left(-5^{\:2}\right)

7 0
3 years ago
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