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GenaCL600 [577]
3 years ago
8

Which pair of equations represents two perpendicular lines? Option A: -3x +2y = 10 and 3y = 2x +12 Option B: 2x + 5y = 45 and y

+ 2/5x = -9 Option C: x= 4y +4 and x +4y=4 Option D: 7x + 4y= 20 and y-3=4/7x
Mathematics
1 answer:
jek_recluse [69]3 years ago
8 0
For the equation of the line expressed as Ax + By + C = 0, the value of the slope (m) is calculated by -A / B. For perpendicular lines, the slope of one should be the negative reciprocal of the other. From the choices given, the lines that are perpendicular is Option A. 
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256 to the nearest 100
Nesterboy [21]

Answer:

300.

Step-by-step explanation:

256 is closer to 300 than it is to 200 so it rounds to 300.

6 0
3 years ago
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Which symbol correctly compares the two angle measures? pi/4 radians_____30°
Thepotemich [5.8K]

Answer:

B. \frac{\pi }{4} Rad>30^{0}

Step-by-step explanation:

\frac{\pi }{4} Rad=(180/4)^{0} =45^{0}

Hope this helps

6 0
2 years ago
8% of the employees at a shop work part-time.
nikitadnepr [17]

There are 50 employees in total

<h3>How to determine the total employee?</h3>

The given parameter is:

Part-time = 8% of total employee

Rewrite as:

Part-time = 8% * total employee

There are 4 part-time employees.

So, we have:

8% * total employee = 4

Divide both sides by 8%

total employee = 50

Hence, there are 50 employees in total

Read more about percentage at:

brainly.com/question/843074

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7 0
2 years ago
A worker is paid $9.80 per hour, with time and a half for any hours over 40 per week. If he works 44 hours in a week, what will
VladimirAG [237]
A.450.80

Multiply 40x9.80=392

Take 1/2 of 9.80 that equal 4.90
4.90 plus 9.80 $14.70x4=58.80
$58.80 plus 392 equals 450.80
6 0
3 years ago
Read 2 more answers
Factorize: x^2y^2+4xy+4​
azamat

{x}^{2}  {y}^{2}  + 4xy + 4 \\ (xy + 2) ^{2}  \\ (xy + 2)(xy + 2) \\

PLEASE GIVE BRAINLIEST

3 0
2 years ago
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