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Aleksandr-060686 [28]
3 years ago
7

Help ahahha help nsnakkksams zbxjakaansndiakqmwjkwkdxm

Mathematics
2 answers:
aksik [14]3 years ago
7 0

Answer:B

Step-by-step explanation:

Bingel [31]3 years ago
5 0

Answer:

correct answer is b!!!!

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"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
3 years ago
Question 1 (1 point)
KatRina [158]

Answer:

97.2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the product.<br> (7x - 2y)(x + y)<br> Enter the correct answer.<br> DOU<br> DONE<br> Clear
lora16 [44]

Answer:

49x2−4y2

Step-by-step explanation:

7x(7x)+7x(−2y)+2y(7x)+2y(−2y)

5 0
2 years ago
Read 2 more answers
PLEASEEEE HELPPP MEEE WITHHH THISS QUESTIONN PLEASEEE!!!!<br> I NEED A GREAT EXPLANATION PLEASEE!!!!
ipn [44]

The diagonal of a rhombus divides it into two congruent isosceles triangles.

So ∠CBD ≅ ∠CDB

∠CBD + ∠CDB + 68 = 180

2∠CBD = 180 - 68 = 112

∠CBD = 56

We also have

∠BDE + ∠E + ∠DBE = 180

∠DBE = 180 - 73 - 36 = 71

∠EBC = ∠EBD - ∠CBD = 71 - 56 = 15

Answer: ∠EBC = 15 degrees

4 0
3 years ago
4. There are 10 pupils in a class. Half of them are
Vlad1618 [11]

Answer:

hello :)

no quite sure but I think it is:

50/100

4 0
3 years ago
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