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Lady bird [3.3K]
3 years ago
7

Write the equation of the line in point-slope form that passes through (1, -4) and has a slope of 1/4

Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0
Hello!

Point-slope form is y-b=m(x-a), where m is the slope and (a, b) is a point on the graph.

You are given the slope (\frac{1}{4}) and a point on the graph (1, -4), so you can just substitute the values into the form, like so:

y-(-4)= \frac{1}{4} (x-1)

Simplify:

y+4= \frac{1}{4} (x-1)

And that's it!

Answer:
y+4= \frac{1}{4} (x-1)
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Six times a number plus 7 is equal to 55. What is the number?
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What is the volume of the figure
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The answer would be D. 14 cm block

Step-by-step explanation:

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3 years ago
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(question 4 only plz)
Hatshy [7]
#4
White block(s) = 2
Red block(s) = 1
Purple block(s) = 3
Total = 2 +1 + 3 = 6 blocks

a) P(white) = \frac{2}{6} = \frac{1}{3}
    P(red) = \frac{1}{6}
    P(purple) = \frac{3}{6} =  \frac{1}{2}

b)Not white block:
   1 - \frac{1}{3}   OR   \frac{1}{2} + \frac{1}{6}
    \frac{2}{3}                 \frac{2}{3}
Because, when they say no white blocks, we simply do not count them and add the rest to find that probability without white blocks.

c) The probability stays the same: lets say now we have
4 white blocks, 2 red, and 6 purple, total will be 12

P(white)=\frac{4}{12} which is still \frac{1}{3}

d) We get two more blocks in the numerator: lets say we have 4 white blocks, 3 red, 5 purple (after adding 2 of each color), total will be 12

P(purple)=\frac{5}{12}
(im not quite sure if my explanation here helps you though)

e) 1 more of white and purple, 5 more of red
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(you can either add 2 to white or purple but make sure you add 5 of red)

P(red)=\frac{6}{12} = \frac{1}{2}
  


5 0
3 years ago
If 3 is added to twice a number the result is 17 find the number
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use this formula... 17 - 3 = 2x

therefore, 14 is your doubled number. 

14 divided by two is 7.

your mystery number  is 7
7 0
3 years ago
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