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2 years ago

8

classify the triangle by its angles and its sides. explain how you knew which classifications to use

1 answer:

vodomira [7]2 years ago

7 0

A triangle that has all three sides that are the same measure then it is an equalateral. Two sides that are the same is an Isoseles and if none of them are the same then it is and undefined

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Vicki puts 10 books on a shelf.

nadezda [96]

$the\ mean\ hickness\ of\ Vicki's\ books= \frac{28\ cm}{10} =2.8\ cm\\\\28\ cm\ \rightarrow\ 10\ boocks\\120\ cm\ \rightarrow\ x\\\\x= \frac{120\cdot 10}{28} \approx42.9\\\\Ans.\ Vicki\ can\ put\ 42\ books.$

6 0

2 years ago

I need help what’s the answer?!!? <br><br> No links or files plzz

Wittaler [7]

327.68, 262.144, 209.7152
Multiple the number by 0.8 to get the next number in the series

7 0

2 years ago

"Data from the World Health Organization in 2013 were used to predict the life expectancy of men in a country from the life expe

marshall27 [118]

Answer:

The predicted life expectancy of men in a country in which the life expectancy of women is 70 years is 65.33 years.

Step-by-step explanation:

The least square regression line is used to predict the value of the dependent variable from an independent variable.

The general form of a least square regression line is:

$\hat y=\alpha +\beta x$

Here,

<em>y</em> = dependent variable

<em>x</em> = independent variable

<em>α</em> = intercept

<em>β</em> = slope

The regression line to predict the life expectancy of men in a country from the life expectancy of women in that country is:

$\hat y=3.73 +0.88 x$

Compute the life expectancy of men in a country in which the life expectancy of women is 70 years as follows:

$\hat y=3.73 +0.88 x$

$=3.73 +(0.88\times 70)\\=3.73+61.6\\=65.33$

Thus, the predicted life expectancy of men in a country in which the life expectancy of women is 70 years is 65.33 years.

6 0

2 years ago

Select the correct answer.

galina1969 [7]

Answer:

<h2>C. 8 + 3i</h2>

Step-by-step explanation:

(9 + 6i) - (1 + 3i) = 9 + 6i - 1 - 3i = (9 - 1) + (6i - 3i) = 8 + 3i

8 0

2 years ago

A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years. With all else equal, what is th

irga5000 [103]

Answer:

The future value of this initial investment after the six year period is $2611.6552

Step-by-step explanation:

Consider the provided information.

A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years.

Future value of an investment: $FV=P(1+r)^n$

Where Fv is the future value, p is the present value, r is the rate and n is the number of compounding periods.

9% compounded semiannually for 6 years.

Therefore, the value of r is: $r=\frac{0.09}{2}=0.045$

Number of periods are: 2 × 6 = 12

Now substitute the respective values in the above formula.

$FV=1540(1+0.045)^{12}$

$FV=1540(1.045)^{12}$

$FV=1540(1.69588)$

$FV=2611.6552$

Hence, the future value of this initial investment after the six year period is $2611.6552

6 0

2 years ago