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3 years ago

If the intercepts of a line are (a,0) and (0,b), what is the slope of the line?

Mathematics

1 answer:

baherus [9]3 years ago

3 0

Generally gradient = (Y2-Y1)/(X2-x1)
from the above
y2= b
y1=0
x2=0
x1=a
so gradient= (b-0)/(0-a) = b/-a =-b/a

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PLEASE ANSWER WITH AN EXPLANATION! THANK YOU

lubasha [3.4K]

Answer:

$\large\boxed{A=153\ cm^2}$

Step-by-step explanation:

<em>Look at the picture.</em>

We have

square with side length a = 9

trapezoid with base lengths b₁ = 9 and b₂ = 6 and the height length h = 6

right triangle with legs lengths l₁ = 3 + 6 = 9 and l₂ = 6

The formula of an area of a square

$A=a^2$

Substitute:

$A_I=9^2=81\ cm^2$

The formula of an area of a trapezoid:

$A=\dfrac{b_1+b_2}{2}\cdot h$

Substitute:

$A_{II}=\dfrac{9+6}{2}\cdot6=\dfrac{15}{2\!\!\!\!\diagup_1}\cdot6\!\!\!\!\diagup^3=(15)(3)=45\ cm^2$

The formula of an area of a right triangle:

$A=\dfrac{l_1l_2}{2}$

Substitute:

$A_{III}=\dfrac{(9)(6)}{2}=\dfrac{54}{2}=27\ cm^2$

The area of the shape:

$A=A_I+A_{II}+A_{III}\\\\A=81+45+27=153\ cm^2$

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The girl needs 322 yards of ribbon the ribbon comes in rolls of 15 yards how many rolls should she buy

vivado [14]

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Nata [24]

Answer:

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Genrish500 [490]

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To determine the original altitude for the third day, identify the y-intercept of the graph.

Therefore, the original altitude was 3,500 feet.

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kkurt [141]

So 4a=0.24 well its simple
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3 years ago