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liubo4ka [24]
3 years ago
5

Two friends share seven cookies equally how many cookies does each friend get

Mathematics
1 answer:
Artist 52 [7]3 years ago
6 0
7 divided by 2 equals 3 so each friend will get 3 cookies
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Wha is the area of this
Korvikt [17]

Octagon, stop sign.

Eight isoscles triangles.   It looks like we're told the side is 9.9 and the height to the side (also called the apothem) is 12.

So each isosceles triangle has area  (1/2)(9.9)(12) and we have eight of them,

area = 8(1/2)(9.9)(12) = 475.2

Answer: 475.2

Usually we wouldn't be told 9.9 -- this is the baby version.  We know each of those isoscles triangles has unique angle 360/8=45 degrees, so the apothem and half the side of the octagon are a right triangle with acute angle 22.5 degrees.

The area of the right triangle with long leg 12, short leg x,

tan 22.5 = x/12 or

x = 12 tan 22.5

Twice that is what we're told is 9.9; let's check:

2x = 24 tan 22.5 = 9.941125496954282

The area of the little right triangle is

(1/2) 12 × 12 tan 22.5

and there are 16 of these

16 (1/2) 12 × 12 tan 22.5 ≈ 477.174

6 0
3 years ago
It takes 3/4 yards of ribbon to make a bow how many bows can be made with 7 yards
Gnoma [55]
5 1/4 ribbon to make 7 yards.
6 0
3 years ago
Read 2 more answers
Find the surface area of the pyramid. Thanks you.
Mkey [24]

Answer:

85 ft^2

5*6*2=60

5*5=25

25+60=85

Step-by-step explanation:

6 0
3 years ago
1/2 - 1/5= ???
Aleonysh [2.5K]
Stop asking questons we are pretty much telling you the answer figure it out your self
6 0
3 years ago
Read 2 more answers
You are hiring a limousine. One company charges a $60 reservation fee plus another $15 per hour. A second company charges a $25
anzhelika [568]

Answer:

7 hours

Step-by-step explanation:

Step one:

given data

let the total charges be y and the number of hours be x

Company A charges

$60 reservation fee plus another $15 per hour.

so

y=60+15x----------1

Company B charges

$25 reservation fee plus another $20 per hour

y=25+20x------------2

Step two:

equate the 2 expressions above we have

60+15x=25+20x

collect like terms

60-25=20x-15x

35=5x

divide both sides by 5

x= 35/5

x= 7 hours

5 0
2 years ago
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