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3 years ago

Which is bigger 40% of 90 or 1/2 of 80

Mathematics

2 answers:

Nastasia [14]3 years ago

4 0

40 percent of 90 is smaller than 1/2 of 80

40% of 90= 40*90/ 100= 36

1/2 of 80= 80/2= 40

So 1/2 of 80 is bigger

Mazyrski [523]3 years ago

3 0

40%of 90 is 36 and 1/2 of 80 is 40 so 1/2 of 80 is bigger then 40% of 90

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1111111111!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

FinnZ [79.3K]

Answer:

1 1/2 or 3/2

Step-by-step explanation:

8 1/4 divided by 5 1/2

Convert to improper fraction

33/4 divided by 11/2=66/44

Simplify this to get 1 1/2 or 3/2

6 0

3 years ago

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The perimeter of a rectangular campsite is 64 cm and its area is 207 cm. Find the length and the breadth of the rectangle.

AlladinOne [14]

Perimeter Formula:
$2l + 2b = 64$

Area Formula:
$l \times b = 207$
Set perimeter Formula equal to b:
$2l + 2b = 64 \\ 2(l + b) = 64 \\ l+ b = 32 \\ b = 32 - l$
Plug formula for be we just made above into the area Formula:
$(32 - l) \times l = 207$

Solve for L (you'll have to use quadratic formula) then plug that back into the area Equation and solve for b.

Here's a link to where the problem has been explained before (they go into more detail than me).

https://brainly.ph/question/468631

lmk if you need any more help

6 0

3 years ago

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Toyota campy sold 20,600 in 2008. percent change is 1.2%. how many sold in 2009?

Artyom0805 [142]

So 20600=100%
in 2009=1.2% change from 100%

not specific whether percent change is up or down so solve fo r1.2%
d
find 1.2% of 100
percent means parts out of 1001.2%=1.2/100=0.12/10=0.012/1=0.012

'of' means multiply
20600 times 0.012=276.2

the change is 276.2

20600-276.2=20352.8
20600+276.2=20847.2
you must round down since you can't sell 0.2 or 0.8 of a car

the sold either 20,352 or 20,847 cars in 2009

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3 years ago

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3 years ago

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A rose garden is formed by joining a rectangle and a semicircle, as shown below. The rectangle is 24 ft long and 14 ft wide.

expeople1 [14]

rounded part is a semicircle so the area for that is the area of a circle ÷ 2

area of the rectangle + (area of the circle ÷ 2) = answer

24 * 14 = 336 = area of the rectangle

14 ÷ 2 = r

(pi * 7^2) ÷ 2

(pi * 49) ÷ 2 = 153.86 ÷ 2 = 76.93 = area of semicircle

336 + 76.93 = 412.93 ft^2 = answer

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3 years ago