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3 years ago

I=E/R + r solve for r

1 answer:

4 0

For like lower case r?

then,

I = E/R + r

multiple by R to the other side and subtract E

r= I * R - E

hope that helps

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How many towers can be built using 257 blocks

just olya [345]

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Answer: Lets say that each tower can be build with 1 block, then you can build 257 towers

Explanation:

I hope this helped!

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- Zack Slocum

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2 years ago

Apply the distributive property to write an equivalent expression 4(2+w)

Alja [10]

Hi 4w+8 is the answer

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3 years ago

Find the range of f(x)=x+3 when the domain (2,4,6)

jarptica [38.1K]

f(x) = x + 3
f(2) = 2 + 3
f(2) = 5

f(4) = 4 + 5
f(4) = 9

f(6) = 6 + 5
f(6) = 11

{(2, 5), (4, 9), (6, 11)}

5 0

2 years ago

Expression equivalent to 3n + 2(1-4n)

yuradex [85]

You can first distribute the number into the parenthesis: 3n + 2 - 8n. Now, combine the like terms (n): -5n + 2. It can either be -5n + 2 or 2 - 5n.

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2 years ago

Find Mean, Median, mode and range. Round to the nearest tenth.

stiv31 [10]

Answer:

Mean = 26.24

Median = 27

Mode = 32

Range = 38

Step-by-step explanation:

Plotting the original data from leaf plot

$9,11,12,12,14,17,25,25,27,32,32,32,33,35,41,42,47$

Finding Mean:

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

$\mu=\frac{446}{17}$

= 26.24

Therefore, the range = 26.24.

Finding Median:

The median is the middle number in a sorted list of numbers. So, to find the median, we need to place the numbers in value order and find the middle number.

Ordering the data from least to greatest, we get:

9 11 12 12 14 17 25 25 27 32 32 32 33 35 41 42 47

So, the median is 27 .

Finding Mode:

The mode of a set of data is the value in the set that occurs most often.

Ordering the data from least to greatest, we get:

9 11 12 12 14 17 25 25 27 32 32 32 33 35 41 42 47

We see that the mode is 32.

Finding Range:

The range is the difference between the highest and lowest values in the data set.

Ordering the data from least to greatest, we get:

9 11 12 12 14 17 25 25 27 32 32 32 33 35 41 42 47

The lowest value is 9.

The highest value is 47.

The range = 47 - 9 = 38

4 0

2 years ago