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valina [46]
3 years ago
9

Solve for x. 3x+2=38

Mathematics
2 answers:
SpyIntel [72]3 years ago
8 0
Subtract the two over to cancel it out
3x=36
then divide by 3 to get an answer of
x=12
katrin [286]3 years ago
5 0

x=12

Explanation:

Subtract 2 from both sides which equals: 3x=36

Divide by 3 on both sides which equals x=12

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Solving simple quadratic equations.
Umnica [9.8K]

Answer:

x=5

Step-by-step explanation:

the square root of 25 is 5 and 5*5=25 so the answer is 5

3 0
3 years ago
Read 2 more answers
I got the rest please answer for last question!
miskamm [114]

Answer:

y = -3x + 1

Step-by-step explanation:

see if that's correct? I'm not quite sure

5 0
2 years ago
Graph All the plans on the graph provided. Your graph should include talk times between 0 and 200 minutes.
kumpel [21]

I'll do the first five problems to get you started.

==================================================

Problem 1

The graph is shown below in the attached image.

==================================================

Problem 2

The plan chosen was Public Mobile, which offered $24 per month for unlimited minutes. This plan does not depend on the number of minutes, so this is not a direct variation. It's also not a partial variation either since the cost doesn't vary (ie change) at all. The monthly cost is fixed at $24 per month.

Even at 200 minutes, this is the cheapest plan as mentioned in the other chart I posted. You can determine this by plugging x = 200 into each equation described earlier. You should find that Public Mobile still gives the cheapest rate. The graph done in problem 1 visually verifies this. The gray line y = 24 is below each of the other lines when x = 200.

==================================================

Problem 3

The best plan is still Public Mobile when x = 1800 minutes per month.

Any x value such that x > 140 will also have Public Mobile be the best plan.

When we get to x = 140 is when this isn't the best plan and instead Bell is the better plan to go with. Note the purple line y = 0.10x+10 is below the gray line y = 24 for values x < 140. This visually shows us that Bell is cheaper compared to Public Mobile.

==================================================

Problem 4

The plan with the greatest rate of change is Telus. This is because y = 0.35x has the largest slope of 0.35

The rate of change is the charge per minute.

==================================================

Problem 5

If you talked for 200 minutes, then Public Mobile is the best plan. This is because the gray line y = 24 is below any other line when we have x = 200.

4 0
3 years ago
What is the answer here
docker41 [41]

Answer:

120m²

Step-by-step explanation:

Area¹ = (6*5) = 30*2 surfaces = 60m²

Area² =(6*6) = 36m²

Area of Triangle =(1/2*4*6) = 12* 2 surfaces = 24m²

Total surface area = 60 + 36 + 24 = 120m²

=/120m²

8 0
2 years ago
Mr. seow borrowed a certain amount from a bank which charged him an interest of 3.5% per year .if he owed the bank $4347 at the
Reika [66]
The amount owed is
  owed = principal + 0.035*principal = principal*(1 + 0.035)

Then the principal amount borrowed is
  principal = owed/1.035 = $4347/1.035 = $4200

Mr. Seow borrowed $4200 from the bank.
7 0
3 years ago
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