write the fractions with a comment denominator then determine it they are equivalent 8/10 and 12/15 6/8 and 8/12 3/9 and 4/8 7/4 and 9/5 15/12 and 20/16 15/9 and 30/18 how do you answer this i don't get it pls help anyone

Answers

Answer 1

Answer: I believe you mean common denominator. Adenominator is the bottom part of a fraction or what something is "outof". If it has a common denominator it means they have the samedenominator.
1. 8/10 12/15. They both have a common denominator of30. You have to multiply the numerator by the denominator. 8/10*3/3=24/30 and 12/15*2/2=24/30. A lot simpler way to do that is reduce them.8/10 divided by 4 = 4/5. 12/15 divided by 3/3 = 4/5.
They are the same.
2. 3/4 and 2/3 when reduces. Or 6/8*3/3= 18/24. 8/12*2= 16/24. NOT equivalent
3.3/9*8/8= 24/72 4/8*9/9= 36/72 NOT equivalent
4.7/4*5/5= 35/20 9/5*4/4= 36/20 NOT equivalent
5.15/12*4/4= 60/48 20/16*3/3= 60/48 Equivalent
6.15/9*2/2= 30/18 and 30/18 is the other number. Equivalent

Hope this helps!

I posted this on your other question also!

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Answers

The formula for a cylinder's surface area is, as I said before : $\n 2\pi rh+2\pi { r }^( 2 )$ in this question, h=x

Let's plug the values and solve :

$2\pi rh+2\pi { r }^( 2 )\n \n 2\cdot \pi \cdot 5\cdot 12+2\cdot \pi \cdot { 5 }^( 2 )=2\cdot \pi \cdot 60+2\cdot \pi \cdot 25=120\pi +50\pi =170\pi \quad square\quad units\n Answer\quad is\quad A$

Please answer !!!!!!

Answers

Answer:

increasing

Step-by-step explanation:

Since the line goes up from left to right, the graph is increasing

Answer:

Increasing ; Option C

Step-by-step explanation:

We can tell that this graph does increase, but let us prove so, through slope;

$If Slope - Positive, - Graph Increases,\nIf Slope - Negative - Graph Decreases,\nIf Slope = 0 - Constant,\n\nSlope of Line = 3 / 1 = 3, ( Positive ),\nConclusion ; Graph - Increasing$

Solution ; Increasing

The equation of a line is y=-3x - 2. What are the slope and the y-intercept of the line?A.
slope = -3 and y-intercept = 2
B.
slope = 3 and y-intercept = -2
C.
slope = 3 and y-intercept = 2
D.
slope = -3 and y-intercept = -2

Answers

D, because everything in front of the x is the slope and everything after the x is the y- intercept

Answer:

The correct answer is (D) slope=-3 and y-intercept=-2

Step-by-step explanation:

How do you estimate decimals?

Answers

If you are rounding to the nearest tenth
Let's say round 20.15 to the nearest tenth. 1 is the tenth place. You have to look at the hundredths place. Since it is 5 and over You round up. If it is under 4 then you round down to it would be 20.2

1. Find the place value you want (the "rounding digit") and look at the digit just to the right of it.
2. If that digit is less than 5, do not change the rounding digit but drop all digits to the right of it.
3. If that digit is greater than or equal to 5, add one to the rounding digit and drop all digits to the right of it.

Hope this helps!!!!!!

cual es la menor cantidad de dinero que necesito para comprar un número exacto de trajes de a $30, $45 o $50 cada uno si quiero que en cada caso me sobren $25?

Answers

I Think You Have To Multiply 30 45 50 And 25

Can someone explain how to do these problem and the formula

Answers

For the first one, you would have to subtract 5 from 8 which would give you x=3!! that is your answer. For the second one, you would have to subtract 3 from -6 which would give you -a=-9, but were not done here yet, we are going to multiply this by -1 because you can't have a negative variable which will give you a=9. And last but not least, on the third one, you would have to subtract 21 from 30 which will give you c=9. There is no specific formula to do these problems other than to get rid of the "third wheel number".

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