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4 years ago

Which rectangle has an area of 40 square units?

Mathematics

2 answers:

Juli2301 [7.4K]4 years ago

6 0

Answer:

Step-by-step explanation:

5 times 8 =40

mezya [45]4 years ago

6 0

Answer:

Step-by-step explanation:

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What is the slope of the line that passes through the points (-3, -3)(−3,−3) and (-18, -23) ?(−18,−23)? Write your answer in the

Kryger [21]

Answer:

Let's see what to do buddy...

Step-by-step explanation:

_________________________________

Step (1)

To find the slope of linear functions using two points, we have the following equation :

$slope = \frac{y(b) - y(a)}{ x(b) - x(a) } \\$

Where a and b are two point of the function.

_________________________________

Step (2)

Well now I want to choose a name for the given points :

a = ( -3 , -3 ) ••••••••• b = ( -18 , -23 )

_________________________________

Step (3)

It's time to put the the coordinates in the above equation :

$slope = \frac{ - 23 - ( - 3)}{ - 18 - ( - 3)} \\$

$slope = \frac{ - 23 + 3}{ - 18 + 3 } \\$

$slope = \frac{ - 20}{ - 15} \\$

Negatives simplified :

$slope = \frac{20}{15} \\$

The face and denominator are reduced to five :

$slope = \frac{4}{3} \\$

_________________________________

And we're done.

Thanks for watching buddy good luck.

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7 0

3 years ago

Calculate the perimeter -math

Flauer [41]

That's easy

alrighty
we can see that each of those curves from K to N and from N to L are just 1/4 of the circumference of the circle
the circles have centers at J and M

so

we have 2 of those 1/4 circumfernce so a total of 2/4 or 1/2 circumference

circumference=2 times pi times radius
radius=JK=JN=NM=ML=7
we want half so
perimiter=1/2 times 2 times pi times 7
we are given pi=22/7 so
perimiter=1/2 times 2 times 22/7 times 7
perimiter=2/2 times 22
permiter=22cm

the perimiter is 22

wait, I forgot abou the bottom part (KL)
that's just twice the radius or 2*7=14
22+14=36
the perimiter is 36cm

7 0

3 years ago

The graph shows the cost of purchasing T-shirts. Find the constant rate of change for the graph. Then explain what points (0,0)

Maru [420]

Answer:

See below

Step-by-step explanation:

As per the attached graph we observe that the constant rate of change is 9 as each step of horizontal change corresponds to 9 steps of vertical change

<u>It is found as the division below:</u>