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eimsori [14]
3 years ago
6

There are 14 red marbles and 20 blue marbles in a bag of marbles.

Mathematics
2 answers:
sergeinik [125]3 years ago
6 0

Answer:

7:10

Step-by-step explanation:

14/20= 7/10

pantera1 [17]3 years ago
6 0

Answer: 7:10 because it is what it is.

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2 years ago
Solve the system 3x+y=2 5x-y=8
Citrus2011 [14]

Answer:

x= 5/4 ; y= -7/4

Step-by-step explanation:

I will solve your system by substitution.

(You can also solve this system by elimination.)

3x+y=2;5x−y=8

Step: Solve3x+y=2for y:

3x+y+−3x=2+−3x(Add -3x to both sides)

y=−3x+2

Step: Substitute−3x+2foryin5x−y=8:

5x−y=8

5x−(−3x+2)=8

8x−2=8(Simplify both sides of the equation)

8x−2+2=8+2(Add 2 to both sides)

8x=10

8x

8

=

10

8

(Divide both sides by 8)

x=

5

4

Step: Substitute

5

4

forxiny=−3x+2:

y=−3x+2

y=−3(

5

4

)+2

y=

−7

4

(Simplify both sides of the equation)

Answer:

x=

5

4

and y=

−7

4

3 0
3 years ago
Simplify the expression. (15 + 8)[23 – (10 + 7)]
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(23)(23-17)
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138
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My son is having such a hard time with 6th grade math. and I'm no help at all. someone help please
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Read 2 more answers
The sumn of the interior angles of a polygon of n sides is
denpristay [2]

Answer:

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Step-by-step explanation:

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