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3 years ago

6

Mrs. O'Neill has 2 times as many markers as colored pencils. The total number of markers and colored pencils is 18. How many mar

k does Mrs. O'Neill have?

2 answers:

rosijanka [135]3 years ago

7 0

Mrs. O Neil has 12 markers and 6 pencils.

Andrew [12]3 years ago

3 0

Answer:

Step-by-step explanation:

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Find all zeros of function and write the polynomial as a product of linear factorsX^3-x^2+9x-9

mart [117]

Answer:

$\large\boxed{x=1\ \vee\ x=-3i\ \vee\ x=3i}$

Step-by-step explanation:

$\text{The zeros:}\\\\x^3-x^2+9x-9=0\\\\x^2(x-1)+9(x-1)=0\\\\(x-1)(x^2+9)=0\iff x-1=0\ \vee\ x^2+9=0\\\\x-1=0\qquad\text{add 1 to both sides}\\x-1+1=0+1\\\boxed{x=1}\\\\x^2+9=0\qquad\text{subtract 9 from both sides}\\x^2=-9$

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4 years ago

What is the value of the expression 9 − (fraction 1 over 2)4 ⋅ 48?<br><br> 1<br> 3<br> 6<br> 9

Hunter-Best [27]

Answer:

The answer is not in the list you gave.

Step-by-step explanation:

From what I understood, the problem is read 9 - (1/2)4 x 48. You would follow PEMDAS and start with the parentheses. 1/2 of 4 is 2. 2 multiplied by 48 is 96. 9 - 96 = -87. So maybe you misread the problem.

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3 years ago