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TiliK225 [7]
3 years ago
8

Find the slope of the line passing through each of the following pairs of points and draw the graph of the line. (−4, −1), (2, 3

)
Mathematics
1 answer:
Blizzard [7]3 years ago
4 0

Answer:

2/3

Step-by-step explanation:

To find slope the formula is (y2-y1)/(x2-x1).

Using that we substitute the pairs.

(-4,-1), (2,3) would then be (x1, y1), (x2, y2)

so you solve from there.

the equation would be ( 3 - ( - 1 ) ) / ( 2 - ( - 4 ).

( 3 - ( - 1 ) ) / ( 2 - ( - 4 )

( 3 + 1 ) / ( 2 + 4 )

4 / 6

2 / 3

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The slope is -1 and y-intercept is at y = -3.

Step-by-step explanation:

-7y= 7x+21

Divide through by -7:

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What is -4(x+6) can someone pls help
drek231 [11]

Answer:

-4x - 24

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distribute the -4 by multiplying it by what is in the parenthisis. Since it is negative that makes a -4x and a -24

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20 units Humulin R insulin in 100 mL of normal saline (NS) to infuse for 20 hours. (Round to the nearest tenth if applicable) a.
wariber [46]

Answer:

a) 1 unit per hour will be infused.

b) 5mL per hour will be infused.

Step-by-step explanation:

Each question can be solved as a rule of three with direct measures, that means we have a cross multiplication.

a. How many units per hour will be infused?

20 units are going to be infused in 20 hours. How many units are going to be infused each hour?

1 hour - x units

20 hours - 20 units

20x = 20

x = \frac{20}{20}

x = 1

1 unit per hour will be infused.

b. How many milliliters per hour will be infused?

100mL are going to be infused in 20 hours. How many mL are going to be infused each hour?

1 hour - x mL

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4 0
3 years ago
PLEASE HELP ME AND MY FRIEND NEED THIS QUESTION ANSWERED PLEASE HELP
Bas_tet [7]

Answer:

V_{cone} =65.94\: cm^3

Step-by-step explanation:

  • Height of cone (h) = 7 cm

  • Base radius (r) = 3 cm

  • Formula for Volume of cone is given as:

  • V_{cone} = \frac{1}{3}\pi r^2h

  • Plugging the values of h and r in the above formula, we find:

  • V_{cone} = \frac{1}{3}(3.14) (3)^2(7)

  • \implies V_{cone} = \frac{1}{\cancel 3}(3.14) (\cancel 9)(7)

  • \implies V_{cone} = (3.14) (3)(7)

  • \implies V_{cone} =65.94\: cm^3
7 0
1 year ago
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