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worty [1.4K]
3 years ago
14

Just the answer please​

Mathematics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

B.) x = 16

Step-by-step explanation:

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Two mechanics worked on a car. The first mechanic worked for
Temka [501]
Write a system of equations:

x + y = 125

20x + 15y = 2100

Solving:

x = 125 - y

20(125 - y) + 15y = 2100
2500 - 20y + 15y = 2100
2500 - 5y = 2100
-5y = 2100 - 2500
-5y = -400
y=80

x + 80 = 125
x = 125 - 80
x = 45

The first charges 45$ per hour and the second charges 80$ per hour
4 0
3 years ago
Which statement describes the lines whose equations are y=1/3x+12 and 6y=2x+6
ICE Princess25 [194]
First, you should solve both equations for the same variable. Since the first one is already solved for y, solve the second equation for y as well.

6y = 2x + 6   Divide both sides by 6
y = \frac{1}{3}x + 1

You can see that both lines have a slope of \frac{1}{3}.
Lines that have the same slope are parallel lines.
4 0
4 years ago
If you draw one card from a standard deck, what is the probability that you draw a king or queen?
Scorpion4ik [409]
A because there isn't a lot of cards in the deck
4 0
3 years ago
Read 2 more answers
6) HELP plz ASAP the last one plz help
eduard

Answer:

12

Step-by-step explanation:

4 0
3 years ago
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Which ordered pair is a solution to the system of inequalities?<br> y&lt; 3x<br> y&lt; 5
GaryK [48]

Answer:

<h2>Any point on the purple region.</h2>

<em>Look at the picture.</em>

Step-by-step explanation:

<, > - dotted line

≤, ≥ - solid line

<, ≤ - shaded region below a line

>, ≥ - shaded region above a line

y = 3x

for x = 0 → y = 3(0) = 0 → (0, 0)

for x = 2 → y = 3(2) = 6 → (2, 6)

y < 3x - dotted line, shaded region below the line

y = 5 - it's a horizontal line passes througth points (x, 5) <em>/x - any real number/</em>

y < 5 - dotted line, shaded region below the line

4 0
3 years ago
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