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abruzzese [7]
2 years ago
9

I'm not sure how to do this. HELP

Mathematics
2 answers:
Anit [1.1K]2 years ago
8 0
The answer is C to this question
maxonik [38]2 years ago
8 0
I think the answer is A because all you doing is adding and then divide i believe 

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The product of 11/13 and 4 is:
kirza4 [7]

Answer:

11/13 x 4 = 3 5/13

Step-by-step explanation:

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3 years ago
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A circular swimming pool has a radius of 28 ft. There is a path all the way around the pool that is 4 ft wide. A fence is going
rewona [7]

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Step-by-step explanation:

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3 years ago
Which of the following is a solution of the system 2x + y = 9 and 3x + 5y = 19.​
Nezavi [6.7K]

2x+y=9

3x+5y=19

I will do this problem in 2 ways. I.)Substitution II.)Elimination

Solution I.) Substitution

We can subtract 2x from both sides in the first equation.

y=9-2x

Now we can substitute the y in the second equation with 9-2x

3x+5(9-2x)=19

-7x+45=19

-7x=-26

x=26/7

y=9-2(26/7)=11/7

Solution II.)Elimination

We can multiply both side of first equation by 5 to get a 5y in both equations.

10x+5y=45

Now because both are positive 5y we just need to do simple subtraction of the 2 equation, each side respectively.

(10x+5y)-(3x+5y)=45-19

7x=26

x=26/7

2*26/7+y=9

y=11/7

Ultimately you get the same answer, both are viable methods, some problems are faster with one method but I recommend mastering both since they are very useful.

4 0
2 years ago
A jar contains 25 coins of only dimes and quarters. The value of the jar is $4.45. Write the equation that represent the money v
8_murik_8 [283]

Answer:

12

Step-by-step explanation:

3 0
2 years ago
X-y=3<br> X+2y=-6<br> Solve using substitution
Tresset [83]
X-y=3=>x=3+y
X+2y=-6
=========
3+y+2y=-6
3+3y=-6
3y=-6-3
3y=-9
y=-3

X+2y=-6
X+2(-3)=-6
X-6=-6
X=0
3 0
3 years ago
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