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timama [110]
3 years ago
9

Simplify using the order of operations. (2 + 1) 3 ÷ 32 = 1 3 9 2

Mathematics
1 answer:
puteri [66]3 years ago
5 0

Answer: I believe the answer is 0.1875. Must be a typo here, because...

Step-by-step explanation: parentheses first. (2+1)3%32=

After parentheses are taken out. 3x3%32= No exponents, so multiply or divide, whatever comes first.

6%32 is 0.1875

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select whether the equation has a solution or not, square root x-2- square root 2x= square root x+2 (a. roots b. no roots)
Agata [3.3K]

The equation is \sqrt{x-2 \\ \\ -\sqrt{2x} = \sqrt{x +2}


Solution

<u>Step 1:</u>

Take square on both sides, we get

3x - 2\sqrt{x-2}\sqrt2{x} -2 = x +2

<u>Step 2:</u>

Subtract 3x - 2 from both sides, we get

-2\sqrt{x-2} \sqrt{2x} = -2x + 4

<u>Step 3:</u>

Again, square on both sides in order to get rid of the square root from the above equation, we get

8x^{2}-16x = 4x^{2} -16x +16

Now we have to simplify it,

4x^{2} -16 = 0

<u>Step 4:</u>

Now we have to solve this quadratic equation, in order to get the solution.

We get x = 2 and x = -2, When we verifying solution in the original given equation, the solution does not satisfy the equation.

Reason: We get negative number in the square root.

Therefore, it has no Roots.


<em>Answer: b) No roots</em>

5 0
3 years ago
A cone-shaped container has a height of 9 in. and diameter of 2 in. It is filled with a liquid that is worth $2 per cubic inch.
ELEN [110]
Maybe it is $9.00
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4 years ago
The price of 2 pears and 6 apples is $14. The price of 3 pears and 9 apples is $21. Can you determine the unit prices for pears
aliina [53]

Answer:

If 2p + 6a = $14

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If p = pear and a = apple, how much would each cost?  The unit prices can be determined by looking at the pattern. You can use multiplication to solve the problem.  

 For example, 1p + 3a*2 = $7

 

p = $1/each

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4 years ago
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borishaifa [10]

Answer:

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7 0
3 years ago
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