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Semenov [28]
3 years ago
11

The trucker completed the 840 kilometer haul in 10 hours and 30 minutes. What was the trucker's average speed in kilometers per

hour? Show your work.
Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0

1/ 1/5h=3/2h

848 : 3/2=560

560 km per hour

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1/2 to exponent of 4
Neporo4naja [7]

Answer:

0.0625 is the answer.

Hope it helps you!!!

4 0
2 years ago
A square pyramid and a cube have the same total surface area. The width of the cube is 8 centimeters. The base of the pyramid is
azamat

Answer:

Step-by-step explanation:

surface area of cube = 6×8² = 384 cm²

lateral area of pyramid = surface area of pyramid - base area

= 384 - 8²

= 320 cm²

area of triangular face = 320/4 = 80 = ½(base)(slant height) = ½(8)(slant height)

slant height = 20 cm

6 0
2 years ago
5 out of 8 bags of m and m's had exactly 32 pieces in them. How many bags out of 40 should have exacty 32 pieces
Andre45 [30]

the answer i think is 64

7 0
3 years ago
Evaluate - (2-6)(23).<br> O A. 8<br> O B.<br> 1<br> 8<br> Oc.<br> 1<br> 8<br> D. -8
kumpel [21]

Answer:

-92.

Step-by-step explanation:

2 - 6 is -4.

-4 x 23 is -92.

7 0
3 years ago
Each side of a pentagon is 10 cm greater than the previous side. If the perimeter of this pentagon is 500 cm, find the lengths o
Vesna [10]

Answer: See explanation

Step-by-step explanation:

The perimeter of a pentagon is gotten through the summation of its five sides. Let the first side be represented by x. Since each side of a pentagon is 10 cm greater than the previous side, then the sides will be:

First side = x

Second side = x + 10

Third side = x + 10 + 10 = x + 20

Forth side = x + 30

Fifty side = x + 40

Therefore,

x + (x + 10) + (x + 20) + (x + 30) + (x + 40) = 500

5x + 100 = 500

5x = 500 - 100

5x = 400

x = 400/5

x = 80

Therefore, the lengths will be:

First side = x = 80cm

Second side = x + 10 = 80 + 10 = 90cm

Third side = x + 20 = 80 + 20 = 100cm

Forth side = x + 30 = 80 + 30 = 110cm

Fifty side = x + 40 = 80 + 40 = 120cm

8 0
3 years ago
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