3 years ago

Greatest common factor for 40,10

Mathematics

2 answers:

horrorfan [7]3 years ago

8 0

The greatest common factor of 40&10 is 10

Marrrta [24]3 years ago

7 0

Answer 40 if wrong tell me I might be

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If you pay $43 for a set of Pokémon cards online that were listed for $40 what is the tax percent you were charged

Alex777 [14]

Amount of tax paid = 43-40 = 3

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0.75 x 100 = 7.5%

Tax rate = 7.5%

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2 years ago

Find the length of the third side to the nearest tenth<br> 7<br> 1

AlexFokin [52]

Answer:

10.7

Step-by-step explanation:

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3 years ago

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3 years ago

What is the value of 'x'?

svp [43]

Answer:

Step-by-step explanation:

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2 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