2 years ago

The mean of 20 items is 40 and the mean of

Mathematics

2 answers:

kipiarov [429]2 years ago

5 0

Answer:

At this point just choose a mean thats half of the value

wlad13 [49]2 years ago

4 0

Answer:

Just divide the value by 2 and you will get the mean

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a mower uses 5/16 gallon of gas to mow the back yard. the side yard is only 2/3 the size of the backyard. How much gas will be n

Trava [24]

Answer:

(5/24) gallons of gas to mow the side yard

Step-by-step explanation:

We can easily solve this proble by applying a rule of three

5/16 gallons of gas --------------------------------- for 1 backyard

x gallons of gas ------------------------------------- 2/3 backyard

x = ((2/3)/1)*(5/16) gallons of gas

x = ((2/3))*(5/16) gallons of gas

x = ((10/48) gallons of gas

x = (5/24) gallons of gas

3 0

3 years ago

True or false 398+9 = 400+8

defon

Answer: False

Step-by-step explanation:

398 + 9 = 407

400 + 8 = 408

If the equation was 398 + 10 then yes it will be equal to 400 + 8

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2 years ago

Wen takes a job with a starting salary of $100,000 for the first year. she earns a 3% increase each year. what does s5 represent

steposvetlana [31]

$S_{n} = \frac{ a_{1}(1- r^{n}) }{1-r}$ $a_{1} = 100000, r=1.03, n=5$
$S_{5} = \frac{100000(1- 1.03^{5}) }{1-1.03} = \frac{100000(-.159)}{-.03} =530,000$

So after 5 years she is making $530,000.

Hope that helps

8 0

3 years ago

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Help me on this question

tatyana61 [14]

Answer:

The single transformation that maps shape A into shape B is 4 steps right and 3 steps down.

8 0

3 years ago

Solve for m.<br><br> -5m = -35<br> m = ?

IgorLugansk [536]

-5m = -35

-5m/-5 = -35/-5

m = 7

Answer: m = 7

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3 years ago

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