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3 years ago

I need help pls !!!!!!!

Mathematics

2 answers:

Liono4ka [1.6K]3 years ago

7 0

I think c because the scales are usally 2x smaller than usual

slega [8]3 years ago

6 0

Should always be presented while using a factor 2

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Hey, please help me, I'm fairly confused with this question. 25 points for the correct answer.

Advocard [28]

Answer:

Step-by-step explanation:

I used a triangle area calculator.

Hope I helped!

4 0

3 years ago

What is the length of BC in the right triangle below?

telo118 [61]

Answer:

The answer should be 15

Step-by-step explanation:

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3 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,

y = dependent variable

x = independent variable

α = intercept

β = 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

4 years ago

A baseball diamond is a square with 90 feet between bases about how many yards does a player run after hitting a home run?

tekilochka [14]

If the [player runs between 4 bases and 90 each, you do 4*90, which is 360 feet. Since this is in yards, divide by 3. The answer is 120 yards.

4 0

4 years ago

Help please 100 point

ZanzabumX [31]

Answer:

Solution given:

we have

<A+<B=exterior <C[sum of two opposite interior angle of a triangle is equal to the exterior angle in a triangle]

So

3x-13+ 2x+4=116°

5x-9=116°

5x=116°+9°

x=125/5

x=25

Now

<A=3×25-13=62°

<B=2×25+4=54°

6 0

3 years ago

Read 2 more answers