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telo118 [61]
3 years ago
5

-3+5x=12 jljlljj j kjljjlknlnlknlk

Mathematics
2 answers:
andreyandreev [35.5K]2 years ago
7 0

let's solve for x :

  • -3 + 5x = 12

  • 5x = 12 + 3

  • 5x = 15

  • x = 15 ÷ 5

  • x = 3

monitta3 years ago
4 0
<h3 /><h3>- 3 + 5x = 12 \\ 5x = 12 - 3 \\ 5x = 9 \\ x =  \frac{9}{5}</h3>

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Solve his problem for X and Y​
Verizon [17]

<em><u>Answer:</u></em>

<em><u>y = 5, 3; x = 171, 155</u></em>

<em><u>Step-by-step explanation:</u></em>

8y - 15 = y^2

y^2-8y+15=0

y^2-3y-5y+15=0

y(y-3)-5(y-3)=0

(y-5)(y-3)=0

y can be 5 or 3.

x = 180 - (8y - 15)

x = 180 - (8(3)-15)

x = 180 - 9

x = 171

OR

x = 180 - (8(5) - 15)

x = 180 - 25

x = 155

7 0
3 years ago
Write a word problem that could be solved using the expression 2x+60​
Sonbull [250]

Answer:

Step-by-step explanation:

james want to buy a sirt that cost 95 dollars. he only has 60 dollars saved.

if james gets paid 2 dollars a day how many days would he have to work to get 80 dollars.

solve for x

y=2x+60

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3 0
3 years ago
HELPP FAST IS IT RIGHT
dexar [7]

Answer:

Yes it is

Step-by-step explanation:

8 0
2 years ago
What is the explicit rule for this geometric sequence? 4,45,425,4125,…
gregori [183]
You did not write the question correctly but I will try to answer the question according to 2 possible interpretations of your question.

Case 1:

Given the geometric sequence:

4,\  \frac{4}{5} ,\  \frac{4}{25} ,\  \frac{4}{125} ,\ .\ .\ .

Common ratio is given by r= \frac{2nd\ term}{1st\ term} = \frac{ \frac{4}{5} }{4} = \frac{1}{5}

The explicit rule of a geometric sequence is given by T_n=ar^{n-1}

Therefore, the explicit rule of the given sequence is T_n=4\left( \frac{1}{5} \right)^{n-1}\ or\ 20\left( \frac{1}{5} \right)^n


Case 2:

Given the geometric sequence:

4,\ 4\cdot5,\ 4\cdot25,\ 4\cdot125,\ .\ .\ .

Common ratio is given by r= \frac{2nd\ term}{1st\ term} = \frac{4\cdot5}{4} = 5

The explicit rule of a geometric sequence is given by T_n=ar^{n-1}

Therefore, the explicit rule of the given sequence is T_n=4(5)^{n-1}\ or\ \frac{4}{5}(5)^n
4 0
3 years ago
Read 2 more answers
Solve x + 5x – 14 = 0
Darina [25.2K]

Answer: x = 7/3

Step-by-step explanation:

You join the X’s first which will give you

6x-14 = 0

Then you move the 14 to the right

6x = 14

Then you dived them and it give you 7/3

Hope this helped

6 0
3 years ago
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