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hram777 [196]
2 years ago
12

Do you know the answer to this

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
8 0

Answer:

4x^2y\sqrt[4]{3y}

Step-by-step explanation:

\sqrt[4]{768x^8y^5} =

= \sqrt[4]{256 \times 3(x^2)^4y^4y}

= \sqrt[4]{4^4 \times 3(x^2)^4y^4y}

= 4x^2y\sqrt[4]{3y}

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A line passes through the point (-2,7) and had a slope of -5
Annette [7]

Answer:

a = -1

Step-by-step explanation:

The general equation for a straight line is y = mx+c, where m is the gradient/ slope, so m = -5. The first thing we need to do is find c, which we do by plugging in the x and y values that we already know: y = 7 and x = -2

7 = -5*(-2) + c

7 = 10 + c

c = 7-10 = -3

Now, we have the general equation of y = -5x -3 and we can use this to find a.

We'll treat a as x and y will be equal to 2:

2 = -5a -3

5 = -5a (Divide both sides by 5)

-a = 1 (now by -1)

a = -1

7 0
3 years ago
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The question is in the picture ​
Lera25 [3.4K]
USE SOCRACTIC IT WOULD REALLY HELP WITH THIS QUESTION
8 0
3 years ago
A grab bag contains 12 packages worth $.70 each, 15 packages $.40 cents each, and 25 packages worth $.30 each. what is the expec
Salsk061 [2.6K]

The expected value of the discrete distribution, if you have to pay $.50 to pick one package at random, is of -$0.08.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

For this problem, considering the cost of $0.5, the distribution is given as follows:

  • P(X = 0.2) = 12/(12 + 15 + 23) = 12/50 = 0.24.
  • P(X = -0.1) = 15/(12 + 15 + 23) = 15/50 = 0.3.
  • P(X = -0.2) = 23/(12 + 15 + 23) = 23/50 = 0.46.

Hence the expected value is given by:

E(X) = 0.2 x 0.24 - 0.3 x 0.1 - 0.2 x 0.46 = -$0.08.

More can be learned about the expected value of a discrete distribution at brainly.com/question/13008984

#SPJ1

8 0
2 years ago
I WILL GIVE YOU BRAINLIEST IF YOU HELP ME WITH THIS MATH WORKSHEET (1/2)
kvasek [131]

Answer:

Step-by-step explanation:

1) corresponding angles

2)alternate interior angles

3)alternate interior angles

4)corresponding angles

2x-7=123

2x=130

x=65

5)corresponding angles

6x-11=5x

6) alternate interiot

40=14-2x

26=-2x

-13=x

8 0
3 years ago
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The Lunar New Year festival is a 15-day celebration. How many weeks is that? Find the decimal number of weeks that is the same a
vagabundo [1.1K]

Answer:

B. It's actually something like 2.142857143... but you know, the closest answer is 2.14.

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