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kati45 [8]
3 years ago
11

How do I write 20,484,163 in expanded form

Mathematics
1 answer:
Anastaziya [24]3 years ago
8 0
20,000,000+400,000+80,000+4,000+100+60+3
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Solve using completing the square x^2 – 8x + 16 = 25
lisov135 [29]

First we need to factor the left side. Since it is a perfect square (as is the process with completing the square, we know we can take half of the middle number along with x to be in the two parenthesis.

(x - 4)(x - 4) = 25

Now we simplify to show it as a square.

(x - 4)^2 = 25

Next we take the square root of both sides

x - 4 = +/- 5

Note that we have plus or minus 5. This is because either square would give us positive 25. Now we add 4 to both sides

x = 4 +/- 5

4 + 5 = 9

4 - 5 = -1

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3 years ago
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seraphim [82]
Make sure you make me brainest

8 0
2 years ago
Graph y=8.5xy=8.5xy, equals, 8, point, 5, x.
Morgarella [4.7K]

Answer:

  • A, B, E

Step-by-step explanation:

<u>Given equation</u>

  • y = 8.5x

<u>Answer choices</u>

A. The equation represents a proportional relationship.

  • TRUE, it is in the form of y = kx

B. The unit rate of change of y with respect to x is 8.5

  • TRUE, y = mx + b, the slope m = 8.5 is the rate of change

C. The slope of the line is 2/17

  • False, the slope is 8.5

D. A change of 17 units in x results in a change of 2 units in y.

  • False, a change of x = 17 results in 17*8.5 = 144.5 units in y

E. A change of 4 units in x results in a change of 34 units in y.

  • TRUE, because 4*8.5 = 34
3 0
3 years ago
|-2 + 5 | - |3 - 12| - 13=
zavuch27 [327]

Answer:

-19

3 - 9 - 13 = -19

Step-by-step explanation:

5 0
2 years ago
Simplify 4(12 + 6) using distributive property
Doss [256]

Answer:

72

Step-by-step explanation:

7 0
3 years ago
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