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3 years ago

X is a real number greater than or equal to 5.5. What are the possible numbers for X?

1 answer:

7 0

X ≥ 5.5.

So it can be anywhere from 5.5 to ∞ (infinity)

P.S this symbol ∞ is sometimes called a lemniscate

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3 years ago

What is 1/3 plus 1/6?

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3 years ago

Read 2 more answers

Gabbys piggy bank contains nickels and dimes worth $4.90 if she has 66 coins in all how many of each does he have

Serhud [2]

This would be 32 Dime totaling $3.20 an 34 nickles for 1.70

34*5+170 aka 1.70
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3 years ago

Can some help please

Katyanochek1 [597]

Answer:

Step-by-step explanation:

2 * 10^7 You are to use a single digit. That's the 2 on the left. Then count what it takes to get the decimal between the 2 and the 3. It's 7

0.000136

Count the number of zeros. Add a minus 1. You want the number to be counted until you get minus 1 which is the number of powers after the 1.

1 * 10^-4

26837 becomes 2 * 10^4. 4 is the number of digits you have before you get to a number between 1 and 10.

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2 years ago

1/16^3x=64^2(x+8) Solve for x.

SSSSS [86.1K]

Answer:

x = -4

Step-by-step explanation:

16 = 4*4 = 4²

64 = 4 * 4* 4 = 4³

$(\dfrac{1}{16})^{3x}=64^{2*(x+8)}\\\\\\(16^{-1})^{3x}=64^{2x + 16}\\\\\\16^{-3x}=64^{2x +16}\\\\(4^{2})^{-3x}=(4^{3})^{2x+16}\\\\4^{-6x}=4^{6x +48}$

As bases are same, compare exponents

6x + 48 = -6x

Subtract 48 from both sides

6x = -6x - 48

Add '6x' to both sides

6x + 6x = -48

12x = -48

Divide both sides by 12

x = -48/12

x = -4

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2 years ago