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2 years ago

Can someone explain how I do this?

Mathematics

2 answers:

lorasvet [3.4K]2 years ago

8 0

Answer:

oh soooooooooooooooo sorry

Step-by-step explanation:

sorry

Sergeu [11.5K]2 years ago

5 0

Answer:

12.5N

Step-by-step explanation:

See attached image.

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Work out the percentage change to 2 decimal places when a price of £15 is decreased to £14.

Greeley [361]

Answer:

The total change is £21.02 from the original amount of £78.98. Therefore, the percentage change is directly related to the original amount.

so the answer in a percentage is 15.22%.

Step-by-step explanation:

6 0

2 years ago

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90 percent as a fraction in simplest form

inysia [295]

Whenever a number is followed by percent, you can turn it into a fraction by simply moving the decimal places two places to the left:

90.0 % becomes .90

As a fraction, this is 90 over 100. To reduce it to its simplest form, divide by 10:

9/10

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3 years ago

You ride the subway about 45 times per month. should you buy the monthly pass

exis [7]

Is it cheaper then without it? If so you should

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3 years ago

Please help me find the area of shaded region and step by step

Bumek [7]

Answer:

Part 1) $A=60\ ft^2$

Part 2) $A=80\ cm^2$

Part 3) $A=96\ m^2$

Part 4) $A=144\ cm^2$

Part 5) $A=9\ m^2$

Part 6) $A=(49\pi -33)\ in^2$

Step-by-step explanation:

Part 1) we know that

The shaded region is equal to the area of the complete rectangle minus the area of the interior rectangle

The area of rectangle is equal to

$A=bh$

where

b is the base of rectangle

h is the height of rectangle

$A=(12)(7)-(8)(3)$

$A=84-24$

$A=60\ ft^2$

Part 2) we know that

The shaded region is equal to the area of the complete rectangle minus the area of the interior square

The area of square is equal to

$A=b^2$

where

b is the length side of the square

$A=(12)(8)-(4^2)$

$A=96-16$

$A=80\ cm^2$

Part 3) we know that

The area of the shaded region is equal to the area of four rectangles plus the area of one square

$A=4(4)(5)+(4^2)$

$A=80+16$

$A=96\ m^2$

Part 4) we know that

The shaded region is equal to the area of the complete square minus the area of the interior square

$A=(15^2)-(9^2)$

$A=225-81$

$A=144\ cm^2$

Part 5) we know that

The area of the shaded region is equal to the area of triangle minus the area of rectangle

The area of triangle is equal to

$A=\frac{1}{2}(b)(h)$

where

b is the base of triangle

h is the height of triangle

$A=\frac{1}{2}(6)(7)-(6)(2)$

$A=21-12$

$A=9\ m^2$

Part 6) we know that

The area of the shaded region is equal to the area of the circle minus the area of rectangle

The area of the circle is equal to

$A=\pi r^{2}$

where

r is the radius of the circle

$A=\pi (7^2)-(3)(11)$

$A=(49\pi -33)\ in^2$

7 0

3 years ago

A beach ball has a radius of 9 inches. find the volume of the beachball, in cubic inches and round the answer to the nearest who

lesya692 [45]

V=4/3pi(r^3)
V=4/3pi(9^3)
V=3,054 inches^3

Think this is right

7 0

3 years ago

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