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alexandr1967 [171]
4 years ago
6

What to do ?? i need help please asap one question left

Mathematics
1 answer:
maks197457 [2]4 years ago
3 0

Answer: (x^{\frac{2}{7}})(x^{\frac{3}{5}})

Step-by-step explanation:

If you took the nth root of x, it is the same as raising x to the power of 1/n. Therefore:

\sqrt[7]{x^{2} }  = (x^{2} )^{1/7} = (x^{\frac{2}{7}})\\\sqrt[5]{x^{3} }  = (x^{3} )^{1/5} = (x^{\frac{3}{5}})

And multiply:

(x^{\frac{2}{7}})(x^{\frac{3}{5}})

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What is the 85th term of the arithmetic sequence with this explicit formula?
Anuta_ua [19.1K]

Answer:

-240

Step-by-step explanation:

You want a85.

Work it out step by step:

a85 = 12 + (85 - 1)(-3)

Subtract 1 from 85.

a85 = 12 + 84(-3)

Multiply the numbers in the brackets.

a85 = 12 + -252

Add 12.

a85 = -240

5 0
3 years ago
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Andrej [43]

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Step-by-step explanation:

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4 0
3 years ago
Which verbal description could be represented the function y = 10x + 7.50?
pshichka [43]

Answer: A

Step-by-step explanation: I say this becauase they have 10x meaning this one comes first so c and d are out and b didnt make any sense so the answer is A. I hope this helped

6 0
3 years ago
An experienced cashier at a grocery store takes 2 seconds to scan each item and 40 seconds to process the customer's payment. 1)
lina2011 [118]

The answers are 1) D. 43 items and 2) B. 58 seconds.

Step-by-step explanation:

Step 1; An experienced cashier takes a time of 2 seconds per item and another 40 seconds for processing the customer's payment. So if it took 2 minutes 6 seconds which equals ( 2× 60 ) + 6 = 126 seconds for a customer. Out of these 126 seconds, the last 40 seconds were to process the customer's payment so 126 seconds - 40 seconds = 86 seconds. So it took 86 seconds to scan the items and as it takes 2 seconds per item we divide 86 by 2 to get the number of items. So 86 / 2 = 43 items which is option D.

Step 2; Anna brought 31 items and due to some glitch, the total time took 2 minutes. So for 31 items, it took the cashier 31 × 2 = 62 seconds, 1 minute 2 seconds. So out of the 2 minutes, 1 minute 2 seconds were used to scan the items. So the remaining time was 2 minutes (120 seconds) - 1 minute 2 seconds (62 seconds) = 58 seconds which was the processing time. So option B is the answer.

5 0
3 years ago
Determine whether the fraction 4/7 and 3/5 are equivalent
masya89 [10]

Answer: B

Step-by-step explanation:

These fractions are not equivalent.

3/5 is not equal to 4/7 even if you divide or multiply

4 0
3 years ago
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