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lozanna [386]
3 years ago
7

plz explain to me step by step how I can solve for x and y using the system of equations (basically elimination)

Mathematics
1 answer:
IrinaVladis [17]3 years ago
3 0
You've already completed the first step by lining up terms with the same variables. Like addition, simply add them together column by column. x+(-x) equals 0 so it is cancelled out. 4y plus 6y is 10y. 9+11=20. We are left with 10y equals 20, so y equals 2. Then plug in the y value into either equation. I will use the first so x +4(2)=9. x must equal 1. Double check by plugging in both x and y into the second equation.
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Find equation of a line through (1,4) and (1,6)
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Notice the picture below

no matter what value "y" may have, "x" will always be 1

4 0
3 years ago
A carton has a length of fraction 2 and 1 over 6 feet, width of fraction 1 and 1 over 5 feet, and height of fraction 2 and 1 ove
ozzi

Answer:

6 1/2 cubic feet

Step-by-step explanation:

A carton has a length of 2 1/6 feet

The width is 1 1/5 feet

The height is 2 1/2 feet

Therefore the volume of the carton can be calculated as follows

= length × width × height

= 2 1/6 × 1 1/5 × 2 1/2

= 13/6 × 6/5 × 5/2

= 390/60

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3 0
3 years ago
How many times does 6 go into 59
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6 0
3 years ago
Which expression is equivalent to (7x - 5 ) - ( 3x - 2)?
Dafna1 [17]
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Then combine like terms to get 4x-3
6 0
3 years ago
Read 2 more answers
A number cube was rolled as part of an experiment. The results are displayed in the table below.
densk [106]
<span> <span> </span><span><span> Number    Frequency    <span> Probability </span>
</span> <span> 1                      4 <span>                 0.13
</span> </span> <span> 2                      6 <span>                 0.20
</span> </span> <span> 3                      5 <span>                 0.17
</span> </span> <span> 4                      7 <span>                 0.23
</span> </span> <span> 5                      3 <span>                 0.10
</span> </span> <span> 6                      5 <span>                 0.17
</span></span><span>total                30<span>                 1.00

</span></span></span></span><span>The best explanation of how to find the experimental probability of rolling a 3 is: 
To find the experimental probability of rolling a three, write a ratio of the number of times three occurs to the total number of trials. Simplify if necessary.

5/30 = 1/6 or 0.166 or 16.6% or 17%.</span>
7 0
3 years ago
Read 2 more answers
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