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RoseWind [281]
3 years ago
14

Identify an equation in point-slope form for the line perpendicular to y = -1/2x + 11 that passes through (4, -8)

Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0

Answer:

y+8 = 2(x-4)

Step-by-step explanation:

Perpendicular lines have negative reciprocal slopes. Since we know the slope of the first line is -1/2, this means the slope of the line perpendicular to it is 2.

And since we know the coordinated located on the line, we can fill out the formula for poiny-slope form:

y-y1 = m(x-x1)

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What is the value of c?<br> A.100 <br> B.50 <br> C.84<br> D.80
Travka [436]
I believe the answer is A.
6 0
2 years ago
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Y’all I need a lot of help please help me and please show work
Nadya [2.5K]

Answer:

90

Step-by-step explanation:

no of total groups = 2+6+4=12

so in total there are 12 groups

each have equal number of members

so the answer is the number that is not a factor of 12

i hope this help you

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if you understood then you may write the steps yourself

4 0
3 years ago
Every​ week, Bob plays the guitar for three hours​, and his grade on each psych test is 75 percent. Last​ week, after playing fo
dsp73

Answer:

20% psyche test scores

Step-by-step explanation:

Given that every week, Bob plays the guitar for three hours​, and his grade on each psych test is 75 percent.

Last​ week, after playing for three hours​, Bob considered playing for an additional hour.

He decided to play for another hour and cut his study time by one​ hour, but last week his psych grade was 55 percent.

Bob​'s opportunity cost of the fourth hour of playing the guitar​

=His cut in scores in psyche test

=20%

4 0
3 years ago
What are the factor pairs of 42?
Oksi-84 [34.3K]

42 can be

1 x 42, or
2 x 21, or
3 x 14, or
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5 0
3 years ago
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At the bank, Derek made 7 withdrawals, each in the same amount. His brother, John, made 5 withdrawals, each in the same amount.
lozanna [386]

Answer:

x=12.50

y = 17.50

Step-by-step explanation:

x = Amount of one Derek withdrawal

then amount of John withdrawal =x+5

Total withdrawals of Derek = no of times x one time withdrawal

= 7(x) = 7x ... i

No of John withdrawal = no of times x one time withdrawal

= 5(x+5)  ... ii

Given that i and ii are equal

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7x = 5x+25

2x =25

x = 12.50 dollars

Y = 17.50 dollars

Checking part:

total derek withdrawal = 7(12.5) =87.50

Joh's withdrawal = 5(17.50) = 87.50

Since both are equal, our answers are right.

Solution:  Derek withdrew each time 12.50 dollars each for 7 times and John withdrew 17.50 dollars each for 5 times.

8 0
3 years ago
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