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zmey [24]
3 years ago
8

PLEASEEE HELPPP MEEE I HAVE TO TURN THIS IN SOOONNN

Mathematics
1 answer:
____ [38]3 years ago
3 0

Answer:

search that to quick math

Step-by-step explanation:

.,..........

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Use the substitution method to solve the system of equations choose the correct ordered pair
Gekata [30.6K]

Answer:

C. (4,28)

Step-by-step explanation:

The substitution method requires you to input a specified number in place of a variable. In this case, the variable 'x' should be replaced by the number 4. Using the order of operations, we know that multiplication should be applied before subtraction. When we replace 'x' with 4, we get the equation 'y=8(4)-4'. Multiplying 8 and 4 gives us 32. If we subtract 4 from 32, we get 28. The answer ends up being 'y=28'.

That is the first part of our solution. What we are actually looking for is an ordered pair. We know ordered pairs are written in the form (x, y). First, we need to find the 'x'. The 'x' has been given to us from the beginning, it is 4. Next is the 'y'. This is what we needed to find using substitution. We ultimately concluded that the 'y' is equivalent to 28. Therefore our ordered pair is (4, 28), the letter choice C.

I hope this helped you and that I clearly elaborated on the answer choice.

4 0
3 years ago
Which t-chart represents the absolute value equation y = |5x|?
Crank
<h3>Answer: Choice C</h3>

=============================================

Explanation:

Choices A, B and D are not true because of the negative y values. The result of an absolute value is never negative. So we can rule out choices A, B, and D. We have choice C as the only thing left, so this must be the answer.

-------------

Another way to see this is by plugging in each x value to see what y value comes out.

  • If x = -2, then y = |5*x| = |5*(-2)| = |-10| = 10
  • If x = -1, then y = |5*x| = |5*(-1)| = |-5| = 5
  • If x = 0, then y = |5*x| = |5*0| = |0| = 0
  • If x = 1, then y = |5*x| = |5*1| = |5| = 5
  • If x = 2, then y = |5*x| = |5*2| = |10| = 10

The y outputs from top to bottom are: 10, 5, 0, 5, 10

This matches with what choice C shows.

5 0
4 years ago
Please help! Dylan decides to take his friends to a movie. He wants to spend no more than $50. He must take one adult with him.
Yuki888 [10]

Answer:6

Step-by-step explanation:40.25  50 - 9.75 = 40.25

6 0
3 years ago
Write a positive or negative integer that represents the situation: The temperature rises 17 degrees
Iteru [2.4K]
+17 I hope this helps
8 0
3 years ago
P=3y/q solve for y make sure to add steps pls
Likurg_2 [28]

Answer:

Solving for y gives:

y = \frac{pq}{3}

Step-by-step explanation:

Linear equations are the equations that are degree one equations. When it is asked to solve an equation for a specific variable that means that the specified variable has to be isolated on one side of the equation i.e. in the given question solving for y means isolating y on one side of the equation.

Given equation is:

p = \frac{3y}{q}

Multiplication property of equality(Multiplying both sides by q)

p*q = \frac{3y}{q} * q\\pq = 3y

Division property of equality(Dividing both sides by 3)

\frac{pq}{3} = \frac{3y}{3}\\\frac{pq}{3} = y

Hence,

Solving for y gives:

y = \frac{pq}{3}

7 0
3 years ago
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