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Pie
3 years ago
13

Are 1/2 and 2/1 perpendicular or parallel?

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0

Answer:

parallel

Step-by-step explanation:

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Can you help me find the slope for #2
Flauer [41]
-3 
because it goes left 1 up3
3/-1 = -3 as the slope
8 0
3 years ago
Read 2 more answers
Sally and Karl work at different jobs. Sally earns $7 per hour and Karl earns $5 per hour. They each earn the same amount per we
Lisa [10]

Answer:

Karl works 7 hours a week

Step-by-step explanation:

Step 1: Determine total amount that Sally earns

Total amount Sally earns=rate per hour×number of hours worked(h)

where;

Rate per hour=$7 per hour

Number of hours worked=h

Replacing;

Total amount Sally earns=(7×h)=7 h

Step 2: Determine total amount Karl earns

Total amount Karl earns=rate per hour×number of hours worked

where;

rate per hour=$5

number of hours worked=2 more than Sally=h+2

replacing;

Total amount Karl earns=5(h+2)

Step 3: Equate Sally's total earnings to Karl's total earnings and solve for h

7 h=5(h+2)

7 h=5 h+10

7 h-5 h=10

2 h=10

h=10/2

h=5

Karl works (h+2) hours=(5+2)= 7 hours

Karl works 7 hours a week

7 0
3 years ago
3. Rewrite the expression as simply as you can:<br> 3x + 11y - 2x - 4y
vfiekz [6]

Answer:

x+7y

Step-by-step explanation:

First off, lets split the question into both x and y.

3x - 2x for the x

11y - 4y for the y

You can solve both of them to get x + 7y

3x - 2x = x

11y - 4y = 7y

Then, add them back up and get x + 7y

7 0
3 years ago
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What is the equation of the line that passes through the point (4, 12) and has a y-intercept of -2?
natima [27]

Answer:

The answer is D.

Step-by-step explanation:

:DDDDDDDDD

4 0
3 years ago
2. Which interval notation represents the set of all real
anygoal [31]
B. (2,20] is the correct answer
3 0
3 years ago
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