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pentagon [3]
3 years ago
11

31/2 divided by 51/4

Mathematics
1 answer:
GuDViN [60]3 years ago
8 0

Answer:

62/51

Step-by-step explanation:

When dividing by a fraction, you multiply by the reciprocal instead. So, multiply 31/2 times 51/4 to get 62/51

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A carpenter cut a 6 ½-ft. board into 3/4-ft. sections. What is the number of whole sections he cut?
Aliun [14]

Answer:

8

Step-by-step explanation:

This man is cutting 6.5 ft of wood into pieces that are .75 ft long.

Divide 6.5/.75 and there's ur answer chief

4 0
3 years ago
Three moons are in the same circular orbit around a planet. The moons are each 120,000 kilometers from the surface of the planet
VladimirAG [237]

Answer:

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

MN is the diameter of the planet which is MN = 60000

AM and NC are the distance of moons from the surface of the planet.

AM = NC = 120000

Since, angle ABC is given as 90 degree, it means, line AC will pass from the diameter of the planet.

So, distance between moon A and moon C is =

AC=AM + MN + NC

AC = 120000+ 60000+ 120000

AC = 300000

Hence the distance between point A and point C is 300000 Km.   :   Answer

Hope it will help :)

8 0
3 years ago
N/n^2-1 over 3n/n^2+8n+7
lisabon 2012 [21]

Answer:

B

Step-by-step explanation:

i did it

6 0
3 years ago
Dave receives a salary of $200 a week plus a commission of 10% of his weekly sales. An equation y = m x + b represents Dave’s we
vovangra [49]

Answer:

y = 0.1x+200

Step-by-step explanation:

First, let's establish that:

x is independent

y is dependent

Basically, the value of y will depend on what x is.

The problem states that the slope of the line is Dave's comission, so since he makes 10% of comission, we can make the slope as 0.1x (mx)

The problem also states that the y intercept (b) is Dave's base salary, and earlier in the problem it states that his base salary is $200 a week. Therefore, b=200

now, the equation is:

y=0.1x+200

Hope this helps!

4 0
4 years ago
Given a polyhedron with 12 faces and 30 edges, how many vertices does it have?
larisa86 [58]

Answer:

It should have 20 vertices, and the name is dodecahedron

8 0
4 years ago
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