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REY [17]
3 years ago
10

10[6(n+1)+5(n-1)]=13[7(5+n)-(25-3n)]

Mathematics
1 answer:
USPshnik [31]3 years ago
7 0

Answer:

n = -6

Step-by-step explanation:

10[6(n+1)+5(n-1)]=13[7(5+n)-(25-3)]

You will collect like terms

10(6n+6+5n-5)=13(35+7n-25+3)

it will give you this

10(11n+1)=13(10+10n)

Then you remove the parenthesis

110n+10 = 130 +130n

Move the terms

110n -130n = 130-10

collect like terms

-20n=120

divide both sides

n=-6

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Kinda putting this out here to everyone so you can learn. Don't just click on a person needing help then guess or just put gibbe
ElenaW [278]
Really true. just wanting points is not a reason to mess with someone else.
4 0
3 years ago
What is the slope of the line that passes through the points(-5,-9) and (-5,-13)? Write your answer in simplest form.
Valentin [98]

Answer:

slope is undefined

ex. a straight vertical line like x = 2 would have an undefined slope

Step-by-step explanation:

formula is

y2-y1 / x2-x1

-13 + 9 / -5 + 5

-4 / 0

slope is undefined

straight vertical line like x = 2 would have an undefined slope

undefined slope is the slope of any vertical line that goes up or down. There is no horizontal movement and hence the denominator is zero while calculating the slope. Thus the slope of the line is undefined.

cuemathcomgeometryundefinedslope

mathbootcampscom

7 0
2 years ago
13 gallons is the same as how many liters?<br> Hint: 1 gal 3.8 L
I am Lyosha [343]

Answer:

49.4

Step-by-step explanation:

So, 1 Gallon = 3.8 Liters.  We need to find how many liters are in 13 gallons.

All we need to do is multiply our 3.8 liters (1 gallon) by 13 to find out how many  liters 13 gallons is.

3.8 x 13 = 49.4

Your answer is 49.4.

<u>Hope this helps and have a nice day!</u>

5 0
2 years ago
One side of triangle is half the longest side. The third side is
Keith_Richards [23]
Let S be the first side. 
Longest side is then 2S.
Third side is 2S-10.
Perimeter is sum of all three sides = S+2S+2S-10 = 75
=>
5S-10=75
5S=75+10=85
S=17

Therefore
S=17 is the first side. 
Longest side is then 2S=2*17=34.
Third side is 2S-10=2*17-10=24.
6 0
3 years ago
3+5=8 and 13+5=18 therefore the sum of two odd numbers is an even number?
Naddik [55]
Yes because the number that they equal can be divided by two
7 0
3 years ago
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