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Luden [163]
3 years ago
11

How do you solve -x+2y=21 5x+6y=23 Using the elimination method

Mathematics
1 answer:
disa [49]3 years ago
8 0
Comment if anything is unclear ill help

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Solve the following exponential equations. Round your answers to 3 decimal place.
In-s [12.5K]

Answer:

x=0.268

Step-by-step explanation:

125=5e^{12x}\\125/5 = e^{12x}\\25=e^{12x}\\ln(25)=ln(e^{12x})\\ln(25)=12x(ln(e))\\ln(25)=12x\\x=ln(25)/12=0.268

4 0
3 years ago
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The breadth of a rectangular garden is 2/3 of its legth. If its perimeter is 40cm, find its dimensions.
Arisa [49]

Answer:

12; 8

Step-by-step explanation:

length-x

breadth-2/3x

2(x+2/3 x)=40

2×5/3x=40

10/3x=40

x=40÷10/3

x=40×3/10

x=12 (cm) length

2/3×12=8 (cm) breadth

6 0
3 years ago
Write a rule for a transformation
lys-0071 [83]
Over the x-axis: (x, y)  (x, –y)
Over the y-axis: (x, y)  (–x, y)
Over the line y = x: (x, y)  (y, x)
Through the origin: (x, y)  (–x, –y)
6 0
2 years ago
The diameter of a flour tortilla is 12 inches. What is the total area of two tortillas to the nearest hundredth?
olga2289 [7]

the diameter of two tortillas would be 6, since 12+12=24. the diameter of 24 is 6, so that would be your answer....

5 0
2 years ago
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Which irrational number can be multiplied by (the picture) to get a product that equals 1?
umka2103 [35]
\sqrt{41} \times \frac{1}{\sqrt{41}} = 1
5 0
3 years ago
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