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Karolina [17]
3 years ago
10

there are 27 red or blue marbles in a bag. the number of red marbles is 5 less than 3 times the number if blue marbles. how many

red marbles are in the bag? how many blur marbles are in the bag
Mathematics
1 answer:
kirill115 [55]3 years ago
6 0

Let
x--------> The number of red marbles
y--------> The number of blue marbles

we know that

equation


equation

equate equation and equation


therefore

the answer is
The number of red marbles is
The number of blue marbles is

Read more on Brainly.com - brainly.com/question/51517#readmore
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Write as an improper fraction<br> 8 1/2<br> (Simplify your answer.)
liq [111]

Answer:

\frac{17}{2}

Step-by-step explanation:

To convert a mixed fraction to a improper fraction, you have to multiply the denominator (2) by the whole number (8). 8 multiplied by 2 is 16. Then add the numerator (1). 16+1=17. That becomes your numerator, the denominator (2) stays the same.

I hope this helps!

3 0
3 years ago
you can transform 4x + 12 = 9x - 3 again into a simpler form by subtracting 4x form both sides to get 12 = 5x - 3, if you subsit
nikdorinn [45]

Answer: Yes you will still get a true statement because 3 is the solution to the equation.

Step-by-step explanation:

Well substitute 3 for x into the equation and solve for to see if they equal each other.

12 = 5(3) - 3    

12 = 15 - 3

12 = 12  

So if you substitute 3 you get the solution .

Now solve for x in the real equation to see if you get 3.

4x + 12 = 9x -3  

-4x           -4x

 12 = 5x -3  

+3           +3

15 = 5x  

x = 3  

7 0
2 years ago
Jack and Jill are trying to find the slope of a line segment connecting two points, (x1, y1) and (x2, y2). Jack uses the formula
Nikolay [14]
The correct question is
<span>Jack and Jill are trying to find the slope of a line segment connecting two points, (x1, y1) and (x2, y2). Jack uses the formula m = (y2 - y1)/( x2 - x1) . Jill mistakenly uses a different formula, but still gets the right answer. Which formula COULD she have used? A) (x2 - x1)/( y2 - y1) B) (y1 - y2)/( x1 - x2) C) (x1 - x2)/( y2 - y1) D) (y2 - y1)/( x1 - x2)

we know that

the correct formula to calculate the slope is
m=(y2-y1)/(x2-x1)
then 
</span><span>if both numerator and denominator multiply it by -1
</span>
m=-(y2-y1)/-(x2-x1)---------> m=[-y2+y1]/[-x2+x1]
m=[y1-y2]/[x1-x2]

therefore

the answer is the option 
B) (y1 - y2)/( x1 - x2)

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3 years ago
Find the sum of the infinite series, if it exists. 100+20+4+… And please show work
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

r=20/100=0.2<|1|

S_{\infty} =\frac{a_{1}}{1-r} \\=\frac{100}{1-0.2} =\frac{100}{0.8} =125

4 0
2 years ago
Alaina is making a birdseed mix with 2 1/3 lb sunflower seeds, 5/6 lb cracked corn, and 1/6 lb peanuts. How much cracked corn do
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Answer:

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Step-by-step explanation:

Change your denominator to 6 and add then reduce if possible

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