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3 years ago

19 x 50 =_fifties. Please help me

Mathematics

2 answers:

baherus [9]3 years ago

8 0

95O is your answer, just imagine 19 x 5 which is 95 then add the 0 to the end of the number, giving you 950

ivanzaharov [21]3 years ago

3 0

Nine hundred and fifty

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Vitek1552 [10]

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4 years ago

A line passes through the points (-6, 4) and (-2, 2). Which is the equation of the line?

cupoosta [38]

Answer:

$\displaystyle y=-\frac{1}{2}x+1$

Step-by-step explanation:

The equation of any line in slope-intercept form is:

y=mx+b

Being m the slope and b the y-intercept.

Assume we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Two points are given: (-6,4) and (-2,2). Calculating the slope:

$\displaystyle m=\frac{2-4}{-2+6}=\frac{-2}{4}=-\frac{1}{2}$

The equation of the line is, so far:

$\displaystyle y=-\frac{1}{2}x+b$

To calculate the value of b, we use any of the given points, for example (-6,4):

$\displaystyle 4=-\frac{1}{2}(-6)+b$

$\displaystyle 4=3+b$

Solving:

b = 1

The equation of the line is:

$\boxed{\displaystyle y=-\frac{1}{2}x+1}$

We can see none of the choices is correct.

8 0

3 years ago

Simplify -9+5(y+3)-2y

JulijaS [17]

3y+6 is the answer

-9+5(y+3)-2y
-9+5y+15-2y
-9+3y+15
=3y+6

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4 years ago

What is the first step in proving that the sum of the measures of triangle PQR is 180°?

vodka [1.7K]

Draw a line through R parallel to the segment PQ

First choice.

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4 years ago

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