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Marianna [84]
3 years ago
13

Almost 7/18 of the total electricity supplied to a city is used for commercial and industrial purposes. Determine the decimal eq

uivalent of 7/18. Use words to explain if the decimal terminates or repeats.​
Mathematics
1 answer:
qaws [65]3 years ago
8 0

Answer:

Answers. 0.38 is the decimal form for this fraction. 7/18=0.38888888..., so this decimal is repeating decimal because the number 8 is repeating in infinity.

Step-by-step explanation:

Hi... omg its been a long time...Hope this helps?

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elena-14-01-66 [18.8K]

Answer:

30 more queen bee books have been sold.

Explanation:

60 queen bee books have been sold.

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We need to work out the difference to find out how many more Queen Bee books have been sold. 60 - 30=30

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4 0
3 years ago
Which line represents the direct variation equation y = 1/2 x?
Vladimir79 [104]

again, you need to remember that EVERY straight line has the equation

                 y = (slope) x + (y-intercept) .

Right away, you know that this line goes through the origin ...
the equation doesn't show any y-intercept.  The y-intercept is zero,
meaning that the line crosses the y-axis at the place where y=0.
That's the origin ... the place where the x- and y-axes cross.

Look at the graph they gave you. ... At first it looks like an ugly mess.
But look closer.  There are only two lines there that go through the origin,
so one of those is the answer to the question.

Now let's talk about the slope of a line.
  
-- If the slope of a line is positive, that means it rises as it goes.
   If you walk the graph from left to right, you're climbing.

-- If the slope of a line is negative, that means it falls as it goes.
   If you walk the graph from left to right, you're going down-hill.

The equation they gave you is  [ y = 1/2 x ].
The slope is  1/2 .  That's positive.
The line on the graph slopes up.  To walk it, you have to climb.

In the picture, that can only be line 'c' .

8 0
3 years ago
Which is a greater rate of change -2.5or 1
nika2105 [10]

1 is greater because it's not negative

7 0
3 years ago
Which of the following expressions represents the value, in dollars, of a certain number of pennies, p, and nickels, n? 0.01p +
agasfer [191]
0.6p+ n 0.06pn. hope this helped!:)
5 0
3 years ago
Problem page the longer leg of a right triangle is 1ft longer than the shorter leg. the hypotenuse is 9ft longer than the shorte
LenKa [72]
Hello,

To solve this problem we want to use the Pythagorean Theorem. 
The pythagorean theorem states that for a 90° triangle, 

a^{2} +  b^{2}  =  c^{2}

where a and b represent the two legs of the triangle, and c represents the hypotenuse. 

Let a = the longer leg and b = the shorter leg.
If the longer leg of the triangle is 1 foot longer than the shorter leg, then
a = b +1. 

If the hypotenuse is 9 feet longer than the shorter leg, then c = b + 9.
Using the equations we created, we can plug them into the Pythagorean Theorem to solve for a, b, and c. 

Doing this, we have:
a^{2} +  b^{2} =  c^{2}
(b+1)^{2}  + b =  (b+9)^{2}

Expanding this, we get b^{2} + 2b + 1 +  b^{2}  =  b^{2} + 18b + 81

 2b^{2} + 2b + 1 =  b^{2} + 18b + 81

 b^{2}  + 1 = 16b + 81

 b^{2} = 16b + 80
 
b^{2} - 16b - 80 = 0



Solving for b, we get b = 20, and b = -4.
The length of the side of a triangle cannot be negative, so we know that b = 20. 

However, we should check this with the original question to make sure it checks out.

a = b + 1
a = 20 + 1 = 21

c = b + 9
c = 20 + 9 = 29

So, we have a = 21, b = 20, and c = 29. (Also, 20-21-29 is a well known Pythagorean triple)
Using the Pythagorean Theorem, we have:

21^{2} +  20^{2} =  29^{2}
441 + 400 = 841
841 = 841, checks out.

So, the shorter leg is 20 feet, the longer leg is 21 feet, and the hypotenuse is 29 feet. 

Hope this helps!

7 0
3 years ago
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