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VARVARA [1.3K]
3 years ago
13

1

Mathematics
2 answers:
Vesnalui [34]3 years ago
6 0
15.. if that question is typed out correctly
Phoenix [80]3 years ago
3 0

Answer: she can make 3 cakes with 15 pounds of sugar

Step-by-step explanation: 15÷5=3

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Solve -6x+19 = x-2. Check for extraneous solutions.
Eddi Din [679]

Answer:

C. x = 3

Step-by-step explanation:

Step 1:

- 6x + 19 = x - 2

Step 2:

- 7x + 19 = - 2

Step 3:

- 7x = - 21

Step 4:

21 = 7x

Answer:

3 = x

Hope This Helps :)

3 0
3 years ago
Read 2 more answers
During a winter storm, the temperature on the top of a
Iteru [2.4K]

According to the rate of change, it is found that the hourly rate of temperature change at the bottom of the mountain was of -2.5 ºC per hour.

<h3>What is the average rate of change?</h3>

The average rate of change of a function is given by the <u>change in the output divided by the change in the input.</u>

In this problem, it is stated that at the top of the mountain, the average rate of change is of -2.5 ºC per hour, and at the bottom of the mountain the rate is the same, hence the hourly rate of temperature change at the bottom of the mountain was of -2.5 ºC per hour.

You can learn more about average rate of change at brainly.com/question/26420851

5 0
2 years ago
In a given binomial distribution, there are 625 trials, and the probability of success is p =0.29. What is the variance?
Shkiper50 [21]

Answer:

128.69.

Step-by-step explanation:

The variance is np(1 - p)

= 625*(0.28) * 0.71

= 128.69.

3 0
3 years ago
3x - 3y = 9 for D = (0,3,8)
scoray [572]

Answer:

3(x-y)

Step-by-step explanation:

8 0
3 years ago
A binomial experiment has 4 trials in which p = 0.4. What is the probability of 3 successes?
Kaylis [27]

The probability of 3 successes is 0.0384

<h3>How to determine the probability?</h3>

The given parameters are:

  • Trials,  n = 4
  • Probability of success, p = 0.4

The binomial probability is represented as:

P(x) = ^nC_x * p^x * (1 - p)^{n-x

So, the probability of three successes is:

P(3) = ^4C_3 * 0.4^3 * (1 - 0.4)^{4 -3

Evaluate the factors in the expression

P(3) = ^4C_3 * 0.0384

Evaluate the combination expression

P(3) = 1 * 0.0384

Evaluate the product

P(3) = 0.0384

Hence, the probability of 3 successes is 0.0384

Read more about probability at:

brainly.com/question/25870256

#SPJ1

4 0
1 year ago
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