Tell whether the data show a direct variation. If so, Identify the constant of the variation. With steps.

Mathematics

1 answer:

vivado [14]2 years ago

4 0

The answer is c I can help if you have anymore

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(-7 2/3) + (-5 1/2) + 8 3/4

motikmotik

Answer:

Step-by-step explanation:

4 0

2 years ago

(x+1)(2x-4)(1/x+1) = (x+1)(2x-4)(1-5/2x-4)

Sunny_sXe [5.5K]

Solution:

$(x+1)(2x-4)(\frac{1}{x}+1)=(x+1)(2x-4)(1-\frac{5}{2x}-4)\\(x+1)(2x-4)(\frac{1}{x}+1)-(x+1)(2x-4)(1-\frac{5}{2x}-4) = 0\\(x+1)(2x-4)(\frac{1}{x}+1-(1-\frac{5}{2x}-4))=0\\(x+1)(2x-4)(\frac{1}{x}+1-(-3\frac{5}{2x}))=0\\(x+1)(2x-4)(\frac{1}{x}+1+3+\frac{5}{2x})=0\\(x+1)(2x-4)(\frac{1}{x}+4+\frac{5}{2x})=0\\(x+1)(2x-4)(\frac{5x^{2}+8x+2}{2x} )=0\\$

$x+1=0\\x=-1\\\\2x-4=0\\x=2\\\\\frac{5x^{2}+8x+2}{2x}=0\\x=\frac{-4+\sqrt[]{6}}{5}\\x=\frac{-4-\sqrt[]{6}}{5}$

Answer:

$x=-1\\x=2\\x=\frac{-4+\sqrt[]{6}}{5}\\x=\frac{-4-\sqrt[]{6}}{5}$

<em>Hope this was helpful.</em>

8 0

2 years ago

Describe why you can change a subtraction problem into an addition problem

Elena-2011 [213]

A subtraction problem can be turned in to an addition problem because of negative numbers. Take 5-2=3 for example. If you change 5-2 into an addition problem then you would but he addition sign and a negative sign on 2. This will then leave you with the problem looking like 5+ -2. If you add 5 and -2 you will still get three.

8 0

2 years ago

Please help! Thank you! Also, please explain thank you!

viva [34]

Answer:

2x=10*11

2x=110

x=55

5 0

2 years ago

Casey likes to run. She runs an additional 1/4 mile each day. On the last day, she ran 1 1/4 miles. If she ran 1/2 mile her firs

Salsk061 [2.6K]

Three days,
1 1/4 = 5/4
1/2= 2/4
2/4+1/4= 3/4 the first day
5/4-3/4= 2/4
2/4 = 1/4 and 1/4 = two days
the first day+ two days= 3 days

3 0

3 years ago

Read 2 more answers