3 years ago

What is the perimeter and area

Mathematics

2 answers:

Arisa [49]3 years ago

7 0

Is there a diagram or something to look at for this ...?

maksim [4K]3 years ago

6 0

Perimeter is the size around a shape or area. Area is the amount of space inside the shape.

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Write the equation of the line shown (3,6) (3,-4)

lozanna [386]

Answer:

The equation of line is given as $x=3$

Step-by-step explanation:

Point on the line given :

$(3,6),(3,-4)$

We can find the slope of the line first from the given points.

Slope $(m)=\frac{y_2-y_1}{x_2-x_1} = \frac{-4-6}{3-3}=\frac{-10}{0}=$ = Undefined.

The slope of the line is undefined which means that the line is parallel to y-axis.

From the points known to us we can tell that the line passes through $x=3$

∴ The equation of line is given as $x=3$

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alexandr1967 [171]

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2 years ago

Ryan runs 3 miles in 28 minutes. at the same rate, how many miles would he run in 42 minutes?

Sphinxa [80]

If 3mile=28 min
x mile=42 min
cross multiply
x=3/28
therefore if 3/28=1 min
then x mile= 42 min
cross multiply
42 x 3/28 =21 x 3/14
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3 years ago

Find the equation of the line that has slope -5 and passes through the point (1,-7)

RUDIKE [14]

Answer: y=-5x-2

Step-by-step explanation:

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Janelle was trying to find the distance between (3,7) and (9,6) in the coordinate plane. She knew the formula was D=√(9 - 3)^2 +

s2008m [1.1K]

Hello :
incorrect answer because :
$\sqrt{ a^{2} + b^{2} } \neq \sqrt{ a^{2} } + \sqrt{ b^{2}} \neq a+b$
but :
$\sqrt{ (a+b)^{2} } = a+b$ ........a+b <span>≥ 0</span>

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2 years ago