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3 years ago

10

The population of the United States the about 3.2 × 10 ^ 8 the population of the United States is about 80 times the population

of Oregon white right the population of Oregon in scientific notation

1 answer:

Ainat [17]3 years ago

6 0

Answer:

4 x $10^{6}$

Step-by-step explanation:

3.2 x $10^{8}$ = 320,000,000

320,000,000 ÷ 80 = 4,000,000

4,000,000 = 4 x $10^{6}$

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Warm-Up: Perpendicular Bisector<br> 1.<br> What is WY? Explain your reasoning.

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Answer: WY = 27

Step-by-step explanation:

Due to WX being a Perpendicular Bisector WY = WZ

4x - 5 = 2x + 11

Add 5 to both sides

4x = 2x + 16

Subtract 2x from both sides

2x = 16

Divide by 2

x = 8

So 4x - 5 of x = 8

4*8 = 32 - 5 =27

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3 years ago

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2. Alex drew a scale drawing of an auditorium. He used the scale 3 inches = 2 feet. If the stage is 30 inches in the drawing, ho

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3 years ago

Bryce has 135 feet of rope. He wants to cut it into pieces that are each 9 feet long. How many pieces of rope will Bryce have?

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12/19*.............................= -12/19

melamori03 [73]

Answer:

$\frac{12}{19} \times \underline{\bold{-1}} = -\frac{12}{19}$

Step-by-step explanation:

$\frac{12}{19} \times ..... = -\frac{12}{19}$

= $\frac{\frac{12}{19}}{-\frac{12}{19}}$

= $\frac{12}{19} \times -\frac{19}{12}$

= $-\frac{228}{228}$

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3 years ago

Your friend attempted to factor an expression as shown. Find the error in your friends work. Then factor the expression correctl

loris [4]

Answer:

Third step is incorrect. The correct factored form is (x-1)(2x-5).

Step-by-step explanation:

The given expression is

$2x^2-7x+5$

We need to find the factored form of this expression.

Step 1: Given

$2x^2-7x+5$

Step 2: Splitting the middle term method, the middle term can be written as (-5x-2x).

$2x^2-5x-2x+5$

$(2x^2-5x)+(-2x+5)$

Step 3: Taking out common factors from each parenthesis.

$x(2x-5)-1(2x-5)$

Step 4: Taking out common factors.

$(x-1)(2x-5)$

Therefore, the third step is incorrect. The correct factored form is (x-1)(2x-5).

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3 years ago