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3 years ago

When multiplying two negative numbers, what kind of number does one always get for an answer?

Mathematics

2 answers:

harina [27]3 years ago

7 0

Answer:

a positive number

Step-by-step explanation:

-(-) = +

for example, -1 * -1 = 1

Pepsi [2]3 years ago

4 0

When multiplying negative numbers u get a positive number

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cluponka [151]

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Determine the sampling error if the grade point averages for 10 randomly selected students from a class of 125 students has a me

zaharov [31]

The sampling error if the grade point averages for 10 randomly selected students from a class of 125 students has a mean of x =2. is A. -0.7.

Given:

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mean of x=2

population=125

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Using this formula

Sampling error=x− μ

Where:

x= sample mean=2

μ=population mean=2.7

Let plug in the formula

Sampling error=2-2.7

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Inconclusion the sampling error is A.-0.7.

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2 years ago

If 0.05x=20 then x=

Naya [18.7K]

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3 years ago

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What is the discriminant of 3 x squared minus 10 x = negative 2?

sasho [114]

Answer:

The discriminant of 3 x squared minus 10 x = negative 2 is 76

Explanation:

Given:

$3x^2-10x=-2$

$3x^2-10x+2=0$ ..........(1)

We can find out the discriminant by using the formula

$D=b^2-4ac$

So from the equation (1)

We have b = -10

a= 3

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Now put all these values of a,b and c in the formula of discriminant to find out the value of D

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