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dolphi86 [110]
3 years ago
10

There were 845 million facebook users at the end of 2011, wich was up from 608 million users at the end of 2010.

Mathematics
1 answer:
AlladinOne [14]3 years ago
5 0
So,

All we have to do is multiply 845 million by 51.5%, or 0.515.
845 million * 0.515 = 435.175 million users

435.175 million, or 435,175,000 users accessed Facebook using mobile devices.
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A square garden has an area of 1600 feet length of each side
dimaraw [331]
* <em>L is the Length</em><em /> <em>and A is the Area
</em><em />
L * L = A
L * L = 1600
L^2 = 1600
√L^2 = √1600
L = 40 feet

Answer: The length of each side is 40 feet.

Btw: <em />this was your question "<em>A square garden has an area of 1600 feet length of each side"</em>

When it should be . . .

<em>"A square garden has an area of 1600 feet squared length of each side"</em>
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3 years ago
Please Help!! Will Mark Brainliest!!!
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Answer:

a. This data best fits an exponential model.

b. The regression equation would be:  y = 8385(1.12)^x

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e. If you input 6 into the equation, you will get a value of $16,550.

Step-by-step explanation:

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2 years ago
Maria bought 14 oranges. Each orange weighed 0.44 pound.
Ivan

Answer:6.16 pounds

Step-by-step explanation:

14x0.44

5 0
3 years ago
Read 2 more answers
4x-3y=2<br> 3x=5y=16<br> solve using substitution method
vodomira [7]

\left\{\begin{array}{ccc}4x-3y=2&|\text{add 3y to both sides}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}4x=3y+2&|\text{divide both sides by 4}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}x=0.75y+0.5&(*)\\3x+5y=16\end{array}\right\\\\\text{substitute}\ (*)\ \text{to the second equation}\\\\3(0.75y+0.5)+5y=16\qquad\text{use distributive property}\\\\(3)(0.75x)+(3)(0.5)+5y=16\\\\2.25y+1.5+5y=16\qquad\text{subtract 1.5 from both sides}\\\\7.25y=14.5\qquad\text{divide both sides by 7.25}

\boxed{y=2}\\\\\text{substitute the value of y to}\ (*):\\\\x=0.75(2)+0.5\\\\x=1.5+0.5\\\\\boxed{x=2}\\\\Answer:\ x=2\ and\ y=2\to(2,\ 2)

7 0
3 years ago
Find each percent change. Round to the nearest tenth of a percent. State if it is an increase or decrease. From 79 miles to 84 m
PolarNik [594]

Answer:

the answer is d.

Step-by-step explanation:

first, you want to use the formula,

new value - original value

<u>____________________</u>

         original value              * 100

you see that 84 is the new value and 79 would be the original value. substitute the numbers in. this is a increase since you will get a positive value.

84 - 79

<u>______</u>

   79      * 100

now we solve it.

5

<u>__</u>

79  * 100

you can either solve the fraction first then multiply that by 100 or multiply the numerator by 100 first then divide that by 79, each way works.

500

<u>____</u>

 79   =  approximately 6.3% increase (this is not a exact value, just rounded)

      or

5

<u>__</u>

79  = approximately 0.063 (this is not a exact value, just rounded)

0.063 * 100 = 6.3% increase

7 0
3 years ago
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