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3 years ago

Complete the table and determine whether the data is proportional and explain why

Mathematics

1 answer:

Valentin [98]3 years ago

7 0

Answer:

in distance it goes 3,6,9,12,15

Step-by-step explanation:

thats all i know i hope my answer anwsers nyour questionand have a great time and get a lot of A+ ✍✍

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A study shows that unemployment has not impacted white-collar and blue-collar workers equally (Newsweek, April 20, 2009). Accord

Andrej [43]

Answer:

0.137

Step-by-step explanation:

The computation is shown below:

Educated = 0.27

And, unemployed to educated is 0.043

Now probability of educated and unemployed is

= 0.043 × 0.27

= 0.1161

So, the educated would be

= 0.01161 ÷ 0.085

= 0.137

5 0

3 years ago

I need help plsss idk how to do this

Step2247 [10]

Answer:

(1) . -11

Step-by-step explanation:

f(-2)=-3(-2)^2+

-12+1=-11

5 0

3 years ago

I) If v = u + at find u when u=5, a=3 and t=4

dusya [7]

Step-by-step explanation:

5+ (3×4)=v

5+ (12)=v

v=17

4 0

3 years ago

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mrs_skeptik [129]

Given:

Line a passes through (2, 10) and (4, 13).

Line b passes through (4, 9) and (6, 12).

Line c passes through (2, 10) and (4, 9).

To find:

Which of the lines, if any are perpendicular.

Solution:

If a line passes through two points, then the slope of line is

$m=\dfrac{y_2-y_1}{x_2-x_1}$

Line a passes through (2, 10) and (4, 13). So, slope of this line is

$m_a=\dfrac{13-10}{4-2}=\dfrac{3}{2}$

Line b passes through (4, 9) and (6, 12). So, slope of this line is

$m_b=\dfrac{12-9}{6-4}=\dfrac{3}{2}$

Line c passes through (2, 10) and (4,9). So, slope of this line is

$m_c=\dfrac{9-10}{4-2}=\dfrac{-1}{2}$

Product of slopes of to perpendicular lines is -1.

$m_a\cdot m_b=\dfrac{3}{2}\times \dfrac{3}{2}=\dfrac{9}{4}\neq -1$

$m_b\cdot m_c=\dfrac{3}{2}\times \dfrac{-1}{2}=\dfrac{-3}{4}\neq -1$

$m_a\cdot m_c=\dfrac{3}{2}\times \dfrac{-1}{2}=\dfrac{-3}{4}\neq -1$

Therefore, any of these lines are not perpendicular to each other.

8 0

3 years ago

Can you help me to find the answer

const2013 [10]

He simplified expression C because that is the only one that has only multiplications.

4 0

3 years ago

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