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xenn [34]
3 years ago
14

Just hurry up and answer the question i'll mark you the brainlest ((5-3)^(3))/(1+3^(2)-21)

Mathematics
1 answer:
belka [17]3 years ago
7 0

Answer:

-0.72727272727

-8/11

Step-by-step explanation:

3^2=9:

(5-3)^3

1+9-21

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Solve the system of equations – 5x + y = 56 and x + y = -4 by combining the<br> equations.
anygoal [31]

Answer:

Your solution is (-10, 6).

Step-by-step explanation:

Combining the equations is also known as substitution. This is done when you substitute one variable into another equation.

-5x + y = 56

x + y = -4

Let's change the second equation into one with one variable on each side.

y = -x - 4

Now, plug this into your first equation.

-5x + (-x - 4) = 56

Distribute the + sign.

-5x - x - 4 = 56

Combine the like terms.

-6x - 4 = 56

-6x = 60

Isolate x by dividing both sides by -6.

x = -10

Now plug this back into either equation.

-10 + y = -4

Add 10 to both sides to find y.

y = 6

Your solution is (-10, 6).

Check this by plugging in these values into the equation you have not checked yet.

-5(-10) + (6) = 56

50 + 6 = 56

56 = 56

Your solution is correct.

Hope this helps!

5 0
3 years ago
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Tell whether the number is evenly divisible by 2, 3, 4, or 9.
insens350 [35]

Answer:

hii

Step-by-step explanation:

7 0
3 years ago
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2. Jacob deposited $6,000 into an account that offers 4.5% interest compounded annually.
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Answer: a

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4 years ago
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Ticket prices were on sale from $7.50 to $4.00. What is the percent of decrease rounded to the nearest tenth?
Afina-wow [57]

The percentage of the price was 53%

4 0
4 years ago
17.2 x 4.6 show working out in column method
Jobisdone [24]

Answer:

17.02

Step-by-step explanation:

2

41

17.2

x4.6

1

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+6880

17.02

be sure to cross out the 41 on the second line when you start multiplying 17.2 by 4

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3 years ago
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