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2 years ago

Please help i dont know how to do any of this i will be giving brainlyest

Mathematics

2 answers:

Mumz [18]2 years ago

6 0

Answer:

this topic is on indices . look at these examples and try if you will understand.

eduard2 years ago

4 0

Answer:

1 = -8

2 = 1/1296

3 = 1/343

4 = 1/36

5 = 16

6 = 1/-10

7 = 1/81

8 = 1/9

9 = 3125

10 = 1/512

11 = 1/16

12 = 16

13 = 1/10

14 = 2401

15 = 1/81

16 = 1/9

17 = 16

18 = -1728

19 = 64

20 = 16

Step-by-step explanation:

Hope this helps and pleases mark me brainliest!

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3 years ago

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Max is thinking of a number, which he calls n. He adds 8 and then doubles the sum. What is Max's final number if his starting nu

Sonja [21]

Based on the given situation, Max final number if his starting number is 7 is -4.5

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Unknown number = n

He adds 8

n + 8

then doubles the sum

2(n + 8)

starting number = 7

So,

2(n + 8) = 7

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2b = 7 - 16

2n = -9

n = -9/2

n = -4.5

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1 year ago

Which set of numbers could represent the lengths of the sides of a right triangle?

Sati [7]

Answer:

Last one

Step-by-step explanation:

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2 years ago

You and your friend share a paper route. You can deliver 4 papers in one minute and your friend can deliver 3 papers in one minu

nadezda [96]

Answer:

$n\times \frac{1}{4}+(75-n)\times \frac{1}{3}$

Step-by-step explanation:

Given that:

4 papers are delivered by first person in one minute.

Rate of delivering one paper

Time taken to deliver one paper can be calculated by the formula:

$\dfrac{\text{Total Time taken}}{\text{Number of papers delivered}}$

Time taken to deliver one paper by first person = $\frac{1}{4}$

3 papers are delivered by second person in one minute.

Time taken to deliver one paper by second person = $\frac{1}{3}$

Total number of papers = 75

Number of papers delivered by first person = $n$

So, number of papers delivered by second person = ( $75-n$ )

Time taken to deliver $n$ newspapers = Number of newspapers delivered <em>multiplied by </em>Time taken to deliver one newspaper

Time taken by first person = $n\times \frac{1}{4}$

Time taken by second person = $(75-n)\times \frac{1}{3}$

So, Total time taken can be written as:

$n\times \frac{1}{4}+(75-n)\times \frac{1}{3}$

5 0

2 years ago

Expression for: 9 less than twice r is written as<br><br>A. 9-2r<br>B. 2r-9<br>C. 2r +9<br>D. r-9

Marta_Voda [28]

Answer:

B. 2r-9

Step-by-step explanation:

as 9 is less than 2r

9<2r

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7 0

2 years ago

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