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3 years ago

The two lines y=2/5x+9 and y= -2/5x-9 are: a) parallel b) perpendicular c)neither

Mathematics

1 answer:

irakobra [83]3 years ago

8 0

Answer:

neither

Step-by-step explanation:

parallel lines have the same slope and different y-intercept

perpendicular lines have the reciprocal as slopes( 2/5 and 5/2)

as these slopes have neither the answer in NEITHER

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Please, I beg you.

frozen [14]

We know that the true value for pi is given as 3.14156.

Now, we have been given that the approximate value for pi is 3.141

We know the formula

Absolute error, $\Delta x = | \text{True value } - \text{ Approximate value} | \\
\\
\Delta x =|3.14156-3.141|\\
\\
\Delta x =0.00056$

Relative error is given by

$\text{Relative error }= \frac{\Delta x}{\text{true value} }\\
\\
\text{Relative error }=\frac{0.00056}{3.14156} \\
\\
[tex]\text{Relative error }=0.000178$

The percentage error is given by

$\text{Relative error } \times 100\\ 
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0.000178\times 100 
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3 years ago

Dirk plants 12 seedlings in 8 min. At this rate, how many seedlings could he plant in 70 min?

Sauron [17]

He could plant 105 seedlings in 70 minutes.

70 / 8 = 8.75 * 12 = 105 seedlings

I hope this helps :)

4 0

3 years ago

Some one teach me how to do this I’m in a break out room and I don’t know how to do this

Murljashka [212]

Answer:

start by putting in the y intercept, -4 on the y axis

then go up 5 and 1 right one to give your a slope of positive 5

Step-by-step explanation:

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3 years ago

Select the number line that matches the expression |4-1|

kkurt [141]

The correct answer is 3

4 0

3 years ago

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Sandrena and her friends bought frozen yogurt for 55 cents per ounce. Their totaal was 10.45 dollars how many ounces did they bu

mel-nik [20]

It would be 19. Because...

Expression: $0.55n = $10.45

Work: 10.45 / 0.55 = 19 ounces

Proof: 19 x 0.55 = $10.45

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3 years ago

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