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kondaur [170]
3 years ago
9

Solve the inequalities 2(x-9)>-2

Mathematics
1 answer:
Mrrafil [7]3 years ago
3 0

Answer:

x>8

Step-by-step explanation:

2(x-9)>-2

(x-9)>-2/2 = (x-9)>-1

x>-1+9  =  x>8

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2 years ago
What fraction lies between 2/3 and 6/7 on the number line?
irinina [24]

Answer:

  D.  5/6

Step-by-step explanation:

The given fractions have decimal values of ...

  2/3 ≈ 0.67

  6/7 ≈ 0.86

The answer choices are approximately 0.60, 0.50, 0.43, and 0.83.

The last choice (5/6) is between 2/3 and 6/7.

Using a common denominator of 42, these three fractions are ...

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  6/7 = 36/42

The fraction 5/6 lies between 2/3 and 6/7.

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It is useful to memorize the decimal equivalents of fractions with denominators of 10 or less. There are some patterns involved that make it easier.

6 0
3 years ago
Select the correct answer. For what value of x is sin x = cos 19º, where 0°&lt; x &lt; 90°? OA. 38° ° O B. 71° OC. 26° O D. 19°​
Lerok [7]

Answer:

x = 71°

Option B is correct answer.

Step-by-step explanation:

We need to find for what value of x is sin\: x = cos 19^{\circ}, where 0°< x < 90°?

Solving:

sin\: x = cos\: 19^{\circ}\\Finding \:cos\: 19^{\circ}=0.94551\\Putting\:value:\\sin\:x=0.94551\\Now\:taking\:sin\:inverse\\x=sin^{-1}(0.94551)\\x=71^{\circ}

So, we get x = 71°

Option B is correct answer.

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2 years ago
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marysya [2.9K]

Answer:

13,841,287,201

Step-by-step explanation:

simply the parenthesis:

7^6 or 7 times itself 6 times: 7x7x7x7x7x7

which equals 117,649 and then multiply that number by itself

117,649x117,649 and you should get 13,841,287,201

5 0
3 years ago
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