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2 years ago

Find the area of the figure

Mathematics

1 answer:

Pavlova-9 [17]2 years ago

3 0

Triangle
1+1+5=7
7×4=28
28÷2=12

rectangle
12×5=60

whole shape
60+12=72in squared

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Find the average rate of change of f(x)=2x^2-7x from x=2 to x=5

m_a_m_a [10]

Answer:

Step-by-step explanation:

The average rate of change of f(x) in the close interval [ a, b ] is

$\frac{f(b)-f(a)}{b-a}$

Here [ a, b ] = [2, 5 ]

f(b) = f(5) = 2(5)² - 7(5) = 50 - 35 = 15

f(a) = f(2) = 2(2)² - 7(2) = 8 - 14 = - 6, thus

average rate of change = $\frac{15-(-6)}{5-2}$ = $\frac{21}{3}$ = 7

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2 years ago

A plane lamina with constant density p(x, y) = p occupies a region in the xy-plane bounded by a simple closed path C. Show that

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Answer

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Step-by-step explanation:

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3 years ago

The circumference of a standard bowling ball is about 27 in. To the nearest unit, how many square inches is the surface area of

Sidana [21]

The surface area of a sphere is $S=4 \pi r^{2}$ where r is the radius;
The circumference is $2 \pi r=27 in$ so that $r= \frac{27}{2 \pi }=4.5 in$ using this value we can evaluate the surface area of 1 ball as:
$S=4 \pi r^{2} =4 \pi (4.5)^{2} =254.3 in^{2}$
For 100 ball you get: $100*254.3=25430 in^{2}$

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2 years ago

What did the teenage yardstick say to its parents

NeX [460]

Answer:

I want to stand on my own three feet

Step-by-step explanation:

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2 years ago

PLEASE HELP ME OUT

liubo4ka [24]

Answer:

18.84 ft

Step-by-step explanation:

The formula for the circumference of a circle is C = πd or C = 2πr

We will use C = 2πr since we have r given in the photo

We just need to substitute our values into the formula:
C = 2(3.14)(3) = 18.84 ft

8 0

2 years ago