3 years ago

Exercises 1-3, tell which equation you would choose to solve for one of the variables. Explain.

Mathematics

2 answers:

Archy [21]3 years ago

7 0

I would choose the 1 first one

Oksi-84 [34.3K]3 years ago

4 0

Answer:

1, because you can subtract both equations to eliminate y , and you will be left with only x.

Step-by-step explanation:

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I’m honestly confused on how to solve for k. please help.

stellarik [79]

Answer:

k=9

Step-by-step explanation:

$slope = \frac{y2 - y1 }{x2 - x1} \\ \frac{ - 5}{2} = \frac{ - 11 - k}{6 - ( - 2)} \\ - ( \frac{5}{2} ) = - ( \frac{11 + k}{8} ) \\ \frac{5}{2} = \frac{11 + k}{8} \\ 5 \times 8 = 2(11 + k) \\ 40 = 22 + 2k \\ k = \frac{40 - 22}{2} \\ k = 9$

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The length of 2 sides on an isosceles triangle is 15. What is the range of possible lengths for the other leg?

erica [24]

Answer:

Step-by-step explanation:

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3 years ago

Calculate the mean of the following list of numbers: 3, 5, 2, 10, 6, 3, 7, 3

BabaBlast [244]

Answer:

4.875

Step-by-step explanation:

The mean is the average of all the numbers or all the numbers added up divided by how many numbers so

3+5+2+10+6+3+7+3=39 and there are 8 numbers so

39/8 is 4.875 or 4 7/8

4.875

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3 years ago

Mark as brainlest! Write an equation for each problem. Then solve. If necessary, round your answers to the nearest hundredth.

MatroZZZ [7]

Answer:

a.$138

b.$197

Step-by-step explanation:

(/=division)

a.415/30=138

b.138/7=197

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mash [69]

Answer:

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Step-by-step explanation:

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