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3 years ago

What is the equation in slope intercept form?

Mathematics

1 answer:

patriot [66]3 years ago

8 0

Answer:

Step-by-step explanation:

The line has a slope of -1/3. For lines to be perpendicular there product must equal negative 1

m1(m2)=-1

-m/3=-1

m=3

So we know our line has a slope of three so

y=3x+b, we can solve for the y intercept, b, using point (-2,8)

8=3(-2)+b

8=-6+b

b=14, so our line is

y=3x+14

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Mike and Dena are painting a fence. if Mike has done 1/3 of the job and Dena has done 2/7 of the job, what fraction of the job i

ludmilkaskok [199]

Answer:

8/21

Step-by-step explanation:

The total job is 1

Mike has done 1/3 and Dena has done 2/7 of the job We still need to do x of the job to complete it

1/3 + 2/7+ x = 1

We need to get a common denominator 3*7 = 21

Multiply each side by 21

21(1/3 + 2/7+ x) = 1*21

21(1/3) + 21*(2/7)+ 21x = 21

7+ 3*2 +21x =21

7+6+21x = 21

13+21x = 21

Subtract 13 from each side

13-13+21x=21-13

21x = 8

Divide each side by 21

21x/21 = 8/21

x = 8/21

We need to complete 8/21 of the job

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3 years ago

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Artyom0805 [142]

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3 years ago

On story Ratios Worksheet 3: how do you do this problem. Jackie sold lemonade and made $24 while Liana sold lemonade and made $3

Drupady [299]

Answer:

Ratios of money made by Jackie and Liana = $\frac{2}{3}$

Step-by-step explanation:

We have given,

On selling a lemonade :

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Money made by Liana = $36

We need to find the ratios of money made by Jackie and Liana by selling lemonade.

So, Ratio = Money made by Jackie / Money made by Liana

or , Ratio = $\frac{24}{36}$

or, Ratio = $\frac{2}{3}$

So, the ratios of money made by Jackie and Liana is $\frac{2}{3}$

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Yanka [14]

Answer:

Step-by-step explanation:

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4 years ago

Read 2 more answers