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Semenov [28]
4 years ago
11

-8x10^7 divided by -4x10^6

Mathematics
2 answers:
gayaneshka [121]4 years ago
5 0

Answer:

2*10^{13} or 2 with 13 zeros after it

Step-by-step explanation:

otez555 [7]4 years ago
4 0

Answer:

2 * 10^13

Step-by-step explanation:

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Which is greater than 4.026?
schepotkina [342]

Answer:

4.020

4.030

4.021

4.006

Step-by-step explanation:

3 0
4 years ago
42=Wf×64 (what fraction)
Dmitry [639]
So basically 42=x times 64 or 42=64x where you want x to be represented as a fraction so just don't simplify as much

42=64x
divide both sdies by 64
42/64=64/64x
42/64=1x
x=42/64
simplify
42/64=21/32

the answer is 21/32 in simplest form
7 0
3 years ago
Solve x
d1i1m1o1n [39]

Step-by-step explanation:

x^{2} - 4x - 7 = 0

First, let's move the 7 to the right-hand side so we can determine what constant we'll need on the left-hand side to complete the square:

x^{2} - 4x = 7

From here, since the coefficient of the x term is -4, we know the square will be (x - 2) (since -2 it's half of -4).

To complete this square, we will need to add (-2)^{2} to both sides of the equation:

x^{2} - 4x + (-2)^2 = 7 + ^{-2}

x^{2} - 4x + 4 = 7 + 4

(x - 2)^{2} = 11

Now we can take the square root of both sides to figure out the solutions to x:

x - 2 = \pm \sqrt{11}

x = 2 \pm \sqrt{11}

7 0
4 years ago
Use the tables to help you compare the two ratios.
Serga [27]

Answer:

whats the question here im confused

Step-by-step explanation:

3 0
3 years ago
A total of 133 million square miles of the Earth's surface are covered in water. The ratio of the area covered in water to the a
Anni [7]

Answer:

  • 57 million square miles

Step-by-step explanation:

Let the area of water is w and area of land is l.

<u>Their ratio is:</u>

  • w/l = 7/3

or

  • 133 / l = 7/3

Find the value of l

  • l = 133*3/7
  • l = 57 million square miles
6 0
2 years ago
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