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STALIN [3.7K]
3 years ago
14

So I work at a welding shop,I cut alot of metal,if I cut a 17ft piece of metal and I need to punch 8 holes in it,how can I figur

e out how far apart each hole needs to be from each other so they can be even
Mathematics
1 answer:
RoseWind [281]3 years ago
5 0

Answer: 2.125 ft

Step-by-step explanation:

17/8=2.125

In order words each hole needs to be 2 ft and 1 and 1/2 inches apart.

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I need help! PLEASE HELPP PLEASE HELP!!!
DanielleElmas [232]

Answer:

Part 1: 31x+25=180

part 2: x=5

Step-by-step explanation:

there are 180° on a straight line, which is the base/ bottom line of the traingle (indicated by the arrow on the end).

so, 180-151= 29

29° is the third angle on the traingle.

now, there are 180° in a triangle, therefore to find an equation for x:

29+20x-3+11x-1= 180 (adding up all the angles and making it equal to 180°)

now simplify this equation to get:

31x+25=180 (PART 1)

to find x simply solve the equation:

31x=180-25

31x= 155

x= 155/31

x=5 (PART 2)

4 0
3 years ago
The circumference of a circle is 6.28 yards. What is the circles area
Nuetrik [128]

Answer:

Step-by-step explanation:

circumference=2πr=6.28

r=6.28/2π=3.14/π=3.14/3.14=1

area=πr^2=π×1²=π=3.14 units²

8 0
3 years ago
Read 2 more answers
Pleas help me out here.
Amiraneli [1.4K]

Answer:

A and E

Step-by-step explanation:

The given problem shows a graph of a vertical line with an undefined slope, in which its equation is x = 3 (which matches Option A).

It is not considered a function because it has the same input for every given output.  This means that regardless of its y-coordinate, its corresponding x-coordinate will always be x = 3.  

The Vertical Line Test allows us to know whether or not a graph is actually a function. Remember that a function can only take on one output for each input. We cannot plug in a value and produce two output values.  Since the graph represents a vertical line, it automatically fails the vertical line test. Therefore, it is not a function.

Because it is not a function, Options B, C, and D are invalid answers.

Hence, the correct answers are Options A and E.

4 0
3 years ago
A box contains 9 green marbles and 17 white marbles. If the first marble chosen was a white marble, what is the probability of c
pshichka [43]

Answer:

16/25

Step-by-step explanation:

Given

Number  of green marbles = 9

Number of White marbles = 17

Total number of marbles = 26

Probability of picking a white marble = 17/26

When a white marble is picked without replacement,

Probability of picking another white marble after first picking a white marble

= 16/25

= 0.64

This is because the total number of marbles would have reduced from 26 to 25 and the number of white marbles from 17 to 16.

4 0
3 years ago
Two trains leave the station at the same time, one heading west and the other east. the westbound train travels at 80 miles per
Volgvan
80+70=150
270/150=1.8 hours before the two trains are 270 miles apart
☺☺☺☺
4 0
3 years ago
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