3 years ago

PLEASE HELP..

Mathematics

1 answer:

grin007 [14]3 years ago

4 0

4.56/-2/1/2pi/14/2 is the answer

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X =<br> 95<br> (7x - 4)<br> (3x + 23)°<br> (9x – 6)

anygoal [31]

Answer:

661 is for the first 308 for second 849 for last

Step-by-step explanation:

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2 years ago

Write an equation for the line that passes through (4,-6) and (-7,-6). Is the line parallel or perpendicular to the y-axis?

alisha [4.7K]

Answer:

y = -6, perpendicular

Step-by-step explanation:

You can use the points to find the slope of the line:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}} =\frac{-6-(-6)}{-7-4} =\frac{-6+6}{-7-4}=\frac{0}{-11}=0$

Then, using point-slope form, choose one set of coordinates to use for y1 and x1:

$y-y_{1}=m(x-x_{1})$

$y-(-6)=0(x-4)$

$y+6=0$

$y=-6$

Since the slope of the line is zero, it's a horizontal line. The y-axis is a vertical line, which means that the line is perpendicular to the y-axis.

7 0

3 years ago

Again you don’t need to answer all of them but if you can do some that would be wonderful!

Maru [420]

Answer:

17) x=7

18) x= -26

19) x= -8

20) x= 6

Step-by-step explanation:

17) is congruent

18) is supplementary

19) is congruent

20) is congruent

8 0

2 years ago

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A liquid is 45°C. The temperature needs to be reduced by 3/8 of the current value. What does the new temperature need to be?

prohojiy [21]

Answer:

28.125 degrees

Step-by-step explanation:

3/8 of 45 is 16.875

45-16.875=28.125

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2 years ago

Last week Sarah lost' 6.25 pounds but this week she gained 4.6 pounds. What was her overall weight change?

marissa [1.9K]

Answer:

10.85

Step-by-step explanation:

hope its right :)

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2 years ago