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Bezzdna [24]
3 years ago
15

Write an expression that equals to 40include an exponet

Mathematics
1 answer:
Monica [59]3 years ago
6 0
Six squared plus four equals 40

6^2+4=40
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What is the area of this regular hexagon that has been divided into six congruent triangles?
Softa [21]
The answer would be 336cm^2
8 0
3 years ago
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A regular decagon has a side length of 4 centimeters long if the decagon is divided into 10 congruent triangles each has an appr
ratelena [41]
Area of decagon is given by:
Area=1/2(nsr)
where:
n=number of sides
s=side length
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thus the area will be given by:
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4 0
3 years ago
62 = 9z + 17<br> Solve for Z
Lina20 [59]

Answer : Z = 5

Step-by-step explanation :

62 = 9z + 17

-17 -17

45 = 9z

/9 /9

5 = z

Plug it back in :

62 = 9(5) + 17

62 = 45 + 17

62 = 62

7 0
3 years ago
You have some trading cards. You give 21 cards to a friend and have 9 left for yourself.
Evgesh-ka [11]

Answer:

30

Step-by-step explanation:

21 + 9 = 30

8 0
2 years ago
Two boats left a base camp at bearing of S60°E and S50°W at speeds of 50km/h and 70km/h respectively. Find the distance between
ivolga24 [154]

Answer:

  • 197.93 km

Step-by-step explanation:

Let the base camp is point A and boats' locations after two hours are points B and C.

By connecting the three points together we get a triangle ABC with sides:

  • AB = 50*2 = 100 km
  • AC = 70*2 = 140 km

The angle between AB and AC is:

  • 60 + 50 = 110 degrees (opposite directions from south)

We are looking for the distance BC, which can be found by using the law of cosines:

  • BC² = AB² + AC² - 2AB*AC*cos ∠BAC
  • BC² = 100² + 140² - 2*100*140*cos 110°
  • BC²  = 39176.56 (rounded)
  • BC = √39176.56 = 197.93 km (rounded)

The distance between the boats is 197.93 km.

7 0
2 years ago
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