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Viktor [21]
2 years ago
7

Please show work ill mark the brainlest

Mathematics
2 answers:
Reil [10]2 years ago
6 0

Answer: D

Closed circle mean it would be an “equal to.” Since the line is going to the left of 7 it means x is less than 7.

Darina [25.2K]2 years ago
5 0

Answer:

D

Step-by-step explanation:

The circle is filled in and the numbers are going lower so x is less than or equal to 7. I hope this helps and have a great day!

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How would you solve this by elimination?
jekas [21]
To solve this equation by elimination, what you would do is multiply one of the equations by -1, or distribute -1 to each term in the equation, any of the 2 equations. Then align the equations and add them together.

-(X + 3y = 3)
-X - 3y = -3

-X - 3y = -3
X + 6y = 3
__________
3y = 0
y = 0/3 = 0.

Now we can solve for x, by simply plugging the value of y into any of the 2 equations.

X + 6y = 3
X + 6(0) = 3
X + 0 = 3
X = 3.

The solution to your system of equations would be (3,0).

Check this by plugging in the point to the other equation and see if it is true.

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5 0
3 years ago
The formula can be used to work outthe cost, in riyals, of hiring a helmet inQatar for a number of days.Kasun wants to hire a bi
Margaret [11]

Answer:

The answer is below

Step-by-step explanation:

a) Cost of hiring the bicycle for 14 days is:

Cost = 65 * 14 days + 44 = 954 riyals

b) The number of days the bicycle is hired is to be the same as the number of days the bicycle is to be hired. Let us assume that the bicycle and helmet is to be hired for x days, hence:

Cost of bicycle = 65 * x + 14 = 65x + 44

Cost of helmet = 12.5 * x = 12.5x

Total cost = 65x + 44 + 12.5x = 77.5x + 44

Since 750 riyals is available, hence:

750 = 77.5x + 44

77.5x = 706

x = 9.11

Therefore the maximum number of days is 11. The total cost for 11 days is:

Total cost = 77.5(9) + 44 = 741.5 riyals

Money not spent = 750 riyals - 741.5 riyals = 8.5 riyals

6 0
3 years ago
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Bumek [7]
The correct answer would be C. Hope that helps.
5 0
3 years ago
Read 2 more answers
Divide 3x ^ 3 + 7x ^ 2 - 8x + 48 by x + 4
Akimi4 [234]

Answer: 3x 3 +7x  2 +40x+4

Step-by-step explanation: Hope that helps

8 0
3 years ago
John is driving to his office to attend a meeting. In the first 10 minutes, he covers a distance of 1 mile every minute. Then he
Georgia [21]

Answer:

The total distance cover by John is 15 min to reach his office .

Step-by-step explanation:

Given as ;

In the first 10 minutes , the distance cover is 1 miles every minutes

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Hence The total distance cover by John is 15 min to reach his office . Answer

5 0
3 years ago
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