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HACTEHA [7]
3 years ago
13

Find the value of the following if x = -1 and y = -3: __2x-4y___

Mathematics
1 answer:
Ahat [919]3 years ago
3 0
2(-1)-4(-3)
-2-(-12)
-2+12=10

(-1)2+(-3)
1-3=-2
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A truck can be rented from Company A for ​$40 a day plus ​$0.40 per mile. Company B charges ​$20 a day plus ​$0.50 per mile to r
torisob [31]

The number of miles in day at which the rental cost for the company A and Company B are the same is 200 miles

The Company A rented the truck for $40 a day plus $0.40 per miles

The expression will be

40+0.40x

Where x  is the number of miles

The company B rented the truck for $20 a day plus $0.50 per miles

20+0.50x

To find the number of miles in a day at which the rental costs for Company A and Company B are the same, the linear equation will be

40+0.40x = 20+0.50x

40-20 = 0.50x-0.40x

0.1x = 20

x = 200 miles

Hence, the number of miles in day at which the rental cost for the company A and Company B are the same is 200 miles

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brainly.com/question/13738061

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6 0
1 year ago
What does n equal to in 12n + 9 = 6 - 3n
sveticcg [70]
12n+9=6-3n\ \ \ \ \ \ |Add\ 3n\ to\ each\ side\\\\
15n+9=6\ \ \ \ \ |Subtract\ 9\\\\
15n=-3\ \ \ \ \ |Divide\ by\ -15\\\\
n=-\frac{3}{15}=\boxed{-\frac{1}{5}}
6 0
3 years ago
A bage contains 5 blue marbles, 3 red marbles, and 2 yellow marbles. You select a marble at radom. What is p(yellow)
vodomira [7]
Total marbles = 5 + 3 + 2 = 10
Total yellow marbles = 2
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Answer: 1/5
7 0
4 years ago
How many inches is 11.6 cm
Minchanka [31]
4.567 inches should be the answer
3 0
3 years ago
Read 2 more answers
REAL answers only pls
bearhunter [10]

Answer:

do we do the x veriable as the numerator? if so it's not a or c if not vice versa

Step-by-step explanation:

8 0
3 years ago
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