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iren2701 [21]
3 years ago
6

Solve: 18/9- root(2,81) -Image below-

Mathematics
2 answers:
balu736 [363]3 years ago
7 0

Answer:

-7

Step-by-step explanation:

(18 \div 9) -  \sqrt{81 }  \\  \\ 2 - 9 \\  - 7

Lubov Fominskaja [6]3 years ago
3 0

With the order of operations, you must do the division (18/9) first.  Then do the square root.  Then do the subtraction.

\begin{aligned}\dfrac{18}{9} - \sqrt{81} &= 2-\sqrt{81}\\[0.5em]&=2-9\\[0.5em]&=-7\end{aligned}

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ss7ja [257]

Answer: 17/3

Step-by-step explanation:

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3 years ago
Your friend Albert has invented a game involving two ten-sided dice. One of the dice has threes, fours, and fives on its faces,
guapka [62]

Answer:

d. 11.6

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The results of the first die and the second one are independent to each other. The expected value of Z is obtained, therefore, by summing the expected values of both X and Y, because Z = X+Y and X and Y are independent. As a result \mu_z = \mu_x + \mu_y = 3.6+8.0 = 11.6 .

4 0
3 years ago
By what percent will the fraction increase if its numerator is increased by 60% and denominator is decreased by 20% ?
seropon [69]

Answer:

100%

Step-by-step explanation:

Start with x.

x = x/1

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The fraction increased from x to 2x. It became double of what it was. From x to 2x, the increase is x. Since x was the original number x is 100%.

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8 0
3 years ago
Read 2 more answers
.…: need this answers.....
Leto [7]
Sorry, cannot just give you answers without your input.
I'd suggest that you look up online or in your textbook each of the items under "Type of Boundary."  The results you'd get will likely help you fill in the rest of the boxes.
3 0
3 years ago
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natka813 [3]

The correct option is fourth option

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8 0
1 year ago
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