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3 years ago

Which measure of central tendency best describes this situation the age of student in an eighth grade

Mathematics

1 answer:

Crank3 years ago

4 0

Answer:

The first choice

Step-by-step explanation:

it is mostly saying you will be testing multiple students or just predicting either way it will be experimental meaning there likely are outliers. however the question is not super clear so this could always be wrong but i hope i helped u

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What is the centimeters?

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The answer is 11.6 centimeters.

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3 years ago

A man bought a $250 suit and 4 shirts for $398.How much did he spend per shirt?

iren [92.7K]

Answer:

99.5

Step-by-step explanation:

398 ÷ 4

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3 years ago

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The perimeter of the original rectangle on the left is 30 meters. The perimeter of the reduced rectangle on the right is 24 mete

LenaWriter [7]

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8 meters

Step-by-step explanation:

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3 years ago

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14. Solve: 3x² + 5x – 12 = 0<br>B. 4-3<br>C. 8, - 18

VARVARA [1.3K]

Answer:

Step-by-step explanation:

The equation:

−

is in the form:

with

−

The roots are given by the quadratic formula:

−

√

−

√

(

−

)

−

(

)

(

−

)

(

)

√

144

√

169

That is:

−

7 0

4 years ago

Find the values of a and b such that

Varvara68 [4.7K]

Answer:

a = 1.5

b = 1.75

Step-by-step explanation:

First, we need to solve $(x+a)^2$ and replace the result in the initial equation as:

$x^2+3x+4=(x+a)^2+b\\x^2+3x+4=x^2+2ax+a^2+b$

Then, this equality apply only if the coefficient of $x$ is equal in both sides and the constant is equal in both sides.

It means that we have two equations:

$3x=2ax\\4=a^2+b$

So, using the first equation and solving for a, we get:

$3x=2ax\\3=2a\\a=\frac{3}{2}=1.5$

Finally, replacing the value of a in the second equation and solving for b, we get:

$4=a^2+b\\4=1.5^2+b\\b=4-1.5^2\\b=4-2.25\\b=1.75$

3 0

3 years ago