2 years ago

Circle the number that you would take away so that 8 would be the gcf of the remaining three numbers, 16,8,24,20

Mathematics

1 answer:

zmey [24]2 years ago

4 0

You can't divide 20 by 8 so you would take away 20

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2 years ago

What number should be added to both sides of the equation to complete the square? x^2-40x=0

mylen [45]

Answer:

+40

Step-by-step explanation:

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A survey of several 8 to 9 year olds recorded the following amounts spent on a trip to the mall: $31.11,$25.01,$18.53,$14.37,$24

Alex17521 [72]

Solution :

Amounts spent on a trip : $31.11, $25.01, $18.53, $14.37, $24.16, $21.91

Confidence interval = 80%

Average amount spent = 8 to 9 years old

One sample T confidence interval

μ : Mean of variance

80% of confidence interval results :

Using statistical software,

Variable : data

Sample mean : 22.515

Std. Err. = 2.3479945

DF = 5

L. limit : 19.049632

U. Limit : 25.980368

SD = 5.75

Critical value = 1.476

8 0

3 years ago

What is the common denominator of 1/a + 1/b in the complex fraction (1/a - 1/b)/(1/a + 1/b)?

mezya [45]

For this case we have the following fraction:

$\frac{\frac{1}{a} - \frac{1}{b}}{\frac{1}{a}+\frac{1}{b}}$

To find the common denominator, what we must do is rewrite the fraction.

For this, we subtract fractions in the numerator and the sum of fractions in the denominator.

We have then:

$\frac{\frac{b-a}{ab}}{\frac{b+a}{ab}}$

We observe that the common denominator is given by the product:

$ab$

Answer:

the common denominator is:

D)ab

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3 years ago

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