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Stells [14]
3 years ago
7

Think About the Process Use the algebra tiles to help you solve the equation 4x - 8 = 20. What is the first step in solving the

equation using algebra​ tiles? What is the solution to the​ equation?
Mathematics
1 answer:
GrogVix [38]3 years ago
5 0

Answer:

The first step would be canceling out the eight getting you 4x = 28 and the solution would be x = 7

Step-by-step explanation:

To simplify you need to add the eight to itself to cancel it out but you have to do it to the 20 too making it 28. Then you have to divide 28 by 4 getting you 7.

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Please answer! will give 5 stars, brainliest (if two people answer.), 20 pts, and thanks.
Charra [1.4K]

Answer:

66

Step-by-step explanation:

Angle 2 and 4 are supplementary, so if angle 4 is 123, then 180-123=57.

So angle 2 is 57.

Then, if angle 2 and 3 are 57 and we know that all angles of a triangle have to add up to 180, then:

                             57+57+angle 1=180

                                114+ angle 1=180

                                        angle 1= 66

3 0
3 years ago
Factor. x2−9x+20 Enter your answer in the box.
Irina18 [472]

Answer:

(x-4) (x-5)

Step-by-step explanation:

x^2 -9x+20

What two number multiply to 20 and add to -9

-4*-5 = 20

-4+-5 = -9

(x-4) (x-5)

5 0
3 years ago
Read 2 more answers
Explain the relationship between multiplying and divding by 10, 100, and 1,000 and moving the decimal point to the right or to t
MakcuM [25]
Here are examples which will explain:
5 x 10= 50 therefore what we did here was 5.0 and we just moved the decimal to the right by making it a bigger number because it is multiplication

6x100= 600, here we also moved the decimal to the right 2 times because there are 2 zeros

7x 1000= 7000 we moved the decimal 3 times to the right because it has 3 zeros

Now for division

If we do 5 divided by 10 that would be 0.5 because there is one 0 and that means we move the decimal to the left once.

6 divided by 100= 0.06 we moved the decimal to the left 2 times because there are 2 zeros so basically in conclusion we do the same thing in division and multiplication with 10,100,1000,10000 but we just move the decimal to the left in division and move decimal to the right in multiplication.

Hope that helps!
8 0
4 years ago
Hey need help.Whats the answer? Will give brainliest
Svetradugi [14.3K]

Answer:

a = 12, b = 2, c = 11

Step-by-step explanation:

Simplify the left side

Numerator simplifies: (x^5yz^4)(x^5yz^4)(x^5yz^4) goes to x^15y^3z^12

Take the new numerator and simplify with the denominator:

x^15y^3z^12/x^3yz goes to x^12y^2z^11

That means a = 12, b= 2, c = 11

8 0
3 years ago
Laptops are advertized by the lenghts of the diagonals of the scren. You purchase a 15 inch laptop and the width of the scren is
bearhunter [10]
Around 10 inches
Hope this helped
4 0
3 years ago
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