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Nikolay [14]
3 years ago
15

Write the equation of the line perpendicular to -2x+4y=8 that passes through (-3,1). Write you answer in slope-intercept form. S

how your work! (3 Points)
Mathematics
1 answer:
I am Lyosha [343]3 years ago
3 0

Answer:

The Answer is: y - 1 = -2(x + 3)

Step-by-step explanation:

Take the given equation and convert it to the y intercept form:

-2x + 4y = 8

4y = 2x + 8

y = 1/4(2x) + 8(1/4)

y = 1/2x + 2

So the slope of the given line is 1/2. The slope of a perpendicular line is the negative reciprocal, which would be -2.

Use the point slope equation above to create a y intercept form of the equation using the given point, (-3, 1).

y − y1 = m(x − x1)

y - 1 = -2(x + 3)

You can go on and create the y intercept form:

y - 1 = -2x - 6

y = 2x - 5

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In November, the cafeteria sold 353 popsicles. In December, it sold 196 more Popsicle than September. How many popsicles did the
Ivenika [448]

Answer:

549

Step-by-step explanation:

353 + 196=549

8 0
3 years ago
A sociologist wants to know the opinions of employed adult women about government funding for day care. The women were asked to
Zarrin [17]

Answer:

The correct option is C 20.1%.

Step-by-step explanation:

The probability distribution chart representing the opinions of employed adult women about government funding for day care is as follows:

Rating (<em>X</em>)        Probability (<em>p</em>)

     1                      0.110

     2                      0.206

     3                      0.464

     4                      0.201

     5                      0.119

The ratings are defined as follows:

1: too little

2: helpful but not enough

3: make a difference but insufficient

4: sufficient

5: generous

The probability of women who think that the support is sufficient is, 0.201.

The percentage is: 0.201 × 100 = 20.1%

Thus, the percentage of women who think that the support is sufficient is 20.1%.

The correct option is C.

5 0
3 years ago
Stan earns $12 per hour by working as an intern at a law firm. How much money does he earn in a week in which he works 28 hours?
torisob [31]

Answer:

D

Step-by-step explanation:

Stan works for 28 hours and gets paid $12 for each hour, so the amount of money he gets in total is $12*28 = $336.

8 0
3 years ago
2) 45+ 17 = 62<br><br> 3) X + 5/6 = 7/16<br><br> 4) Y + 1/7 = 5/8
Montano1993 [528]

9514 1404 393

Answer:

  2) true

  3) X = -19/48

  4) Y = 27/56

Step-by-step explanation:

3) Subtract 5/6 from both sides

  X = 7/16 -5/6 = (7·6 -16·5)/(16·6) = (42 -80)/96

  X = -19/48

__

4) Subtract 1/7 from both sides

  Y = 5/8 -1/7 = (5·7 -8·1)/(8·7)

  Y = 27/56

6 0
3 years ago
Find the sum of the measures of the interior<br> angles of a convex 70-gon.
Mkey [24]
The sum of interior angles of a polygon with n sides is 180*(n-2)
Therefore, for this question,
n=70
the sum of interior angles=180*(70-2)=180*68=12240 degree
Pls mark me as the Brainliest as I really need it!
4 0
3 years ago
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