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3 years ago

20 is a factor of 24 true or false

Mathematics

2 answers:

Helga [31]3 years ago

7 0

False because there is no whole number and 20 that when multiplied will get you 24.

igor_vitrenko [27]3 years ago

3 0

False, 20 is not a factor of 24

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Select all of the sentences that are punctuated correctly.

STatiana [176]

The dog's bowl was empty.

The singer's songs were finished.

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3 years ago

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Y = – 3

KonstantinChe [14]

The best approximation for the solution to this system of equations is (-2.2,-3)

Option C is correct.

Step-by-step explanation:

Solving the system of equations to get the exact value of x:

$y = -3\\y = x-0.8$

Let

$y = -3\,\,eq(1)\\y = x-0.8\,\,eq(2)$

Putting value of y from eq(1) into eq(2)

$-3=x-0.8$

$x=-3+0.8$

$x=-2.2$

So, Value of x is -2.2

The best approximation for the solution to this system of equations is:

x=-2.2 and y = -3

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Option C is correct.

Keywords: System of equations

Learn more about system of equations at:

#learnwithBrainly

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3 years ago

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What happens to the standard deviation of the average of a sample as the sample size increases? Group of answer choices It gets

NeX [460]

Answer:

Gets smaller

Step-by-step explanation:

- The standard deviation is the quantification of spread of data. According to descriptive statistics the standard deviation s is given by:

s = Σ ( x - u ) / sqrt ( n )

Where, n : sample size

u : Mean value

- So we see that standard deviation (s) is inversely proportional to square root of sample size (n).

- We can see that as sample size (n) increases the standard deviation (s) decreases.

3 0

3 years ago

The designer also programs a bird with a path that can be modeled by a quadratic function. The bird starts at the vertex of the

Nady [450]

Answer:

-1.2

Step-by-step explanation:

Given that the designer also programs a bird with a path that can be modeled by a quadratic function.

The bird starts at the vertex of the path at (0, 20) and passes through the point (10, 8).

If we treat this curve as line joining these two points then we can find the slope by the formula

Slope = change in y coordinate/change in x coordinate

Here the points given are

(0,20) and (10,8)

$Change in y coordinate = 8-20 = -12\\Change in x coordinate = 10-0 = 10\\Slope = -1.2$

Slope of the line that represents the turtle's path

=-1.2

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3 years ago

Let g(x) = – x^2 + 4x + 3. Find and simplify g(-3).

Evgen [1.6K]

Steps to solve:

g(x) = – x^2 + 4x + 3 when g(-3).

~Substitute x with -3.

g(-3) = -(-3)^2 + 4(-3) + 3

~Simplify

g(-3) = -9 - 12 + 3

~Simplify using PEMDAS

g(-3) = -18

Best of Luck!

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3 years ago

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