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Natasha_Volkova [10]
3 years ago
15

what equation is used to represent "three minus the difference of a number and one equals one-half of the difference of three ti

mes the same number and four"
Mathematics
1 answer:
sesenic [268]3 years ago
8 0
(n-1)-3=1/2(3n-4)
hope it hrlps
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The calculator has a broken 1 key and broken 7 key ,and a broken plus key .Write at least on way to make each of the following n
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3 years ago
WILL GIVE 20 POINTS
Oksanka [162]

Answer:

The answer is B

Step-by-step explanation:

75 + x = 90

First, Virginia had to write an equation to solve for x.

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Second, Virginia used the subtraction property of equality to isolate x.

x = 15

Third, "x = 15" was the answer Virginia got after subtracting 90 and 75.

75 + 15 = 90

Finally, she had to verify her answer

3 0
2 years ago
What is the solution to the system of equations <br><br> 3x+2y=39<br> 5x-y=13
Vadim26 [7]

Hiya. I'm going to rewrite the second equation.

By subtracting 5x by both sides, I'll be able to have y by itself:

-y=-5x+13

I'm going to then divide both sides by -1 to get:

y=5x-13.


Then, I'm going to plug that equation into the first equation

3x+2(5x-13)=39

Factor:

3x+10x-26=39

Combine like terms:

13x=65

Divide both sides by 13 to get x by itself to get x=5


Plug this back into the equation of y=5x-13

y=5(5)-13 to get y=12

4 0
3 years ago
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The average length of the dragon used in the performance is 12 feet. The dragon is divided into 9 sections. How long is each sec
yawa3891 [41]

Answer:

i think but im pretty sure its 108

7 0
3 years ago
Help please! the graph below​
Rom4ik [11]

Answer:

The constant of proportionality is basically just the slope, so the answer is 1/6.

Step-by-step explanation:

Count how many Y units it goes up to get the the black point  from (0,0) (the origin). You go up 1 unit to go 6 units to the right meaning the slope is 1/6.

That is the rise over run technique and there are many others, such as point slope form, and y2-y1 over x2-x1.

Hope this helps!

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3 years ago
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