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vitfil [10]
3 years ago
12

Work out 5^-2 x cube root of 8 Answer in decimal form please.

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
5 0

Answer:

0.08

Step-by-step explanation:

{5}^{ - 2}  \times  \sqrt[3]{8}  \\  \\  =  {5}^{ - 2}  \times  \sqrt[3]{ {2}^{3} }  \\  \\  =  \frac{1}{ {5}^{2} }  \times 2 \\  \\   = \frac{1}{25}  \times 2 \\  \\  =  \frac{2}{25} \\ \\ =0.08

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Can someone please correct me if im wrong ? Thanks
kakasveta [241]

the answer is D I'm pretty sure!!

6 0
3 years ago
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Two percent of the customers of a store buy cigars. Half of the customers who buy cigars buy beer. 25 percent who buy beer buy c
enyata [817]

Answer:

0.95

Step-by-step explanation:

The computation of the probability that a customer neither buys beer nor buys cigars is given below;

Given that, the probabilities are

The customers who purchased cigars be 0.02

The customers who purchased cigars + beer 0.50

And, the customers who purchased beer + cigars be 0.25

Now the probabilities where the customer purchased both

= 0.05 × 0.02

= 0.10

The probability where the customer purchased beer is

= 0.01 ÷ 0.25

= 0.04

Now the probability where a customer neither buys beer nor buys cigars is

= 1 - 0.02 + 0.04 - 0.01

= 0.95

4 0
3 years ago
Need help ASAP.<br> 50×50+60-105=?
Mandarinka [93]

Answer:

2,455

Step-by-step explanation:

Use PEMDAS to solve

First multiply 50x50, which is 2,500

50 x 50 + 60 - 105   becomes

2,500 + 60 - 105

Now to the addition or subtraction from left to right

2,560 - 105

  2,455

4 0
3 years ago
Read 2 more answers
When making a horizontal translation your y-value changes and when making a vertical translation your x-value changes. true or f
Ann [662]
False
The horizontal translation is from left to right which affects the x-value while the vertical translation is up to down which affects the y-value

Good luck!
3 0
3 years ago
A sequence is defined recursively using the formula f(n + 1) = -0.5f(n). If the first term of the sequence is 120, what is f(5)?
PolarNik [594]

Answer: 7.5

Step-by-step explanation:

The given formula tells us that the next term f(n+1) of the sequence is -0.5 times the previous term f(n)

First term of the sequence is f(1) = 120

Second term of the sequence is f(2) = f(1+1) = -0.5 f(1) = -0.5 (120) = -60

Third term of the sequence is f(3) = f(2+1) = -0.5 f(2) = -0.5 (-60) = 30

Fourth term of the sequence is f(4) = f(3+1) = -0.5 f(3) = -0.5 (30) = -15

Fifth term of the sequence is f(5) = f(4+1) = -0.5 f(4) = -0.5 (-15) = <em>7.5</em>

3 0
4 years ago
Read 2 more answers
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