In a recent year, there was about 400,000,000 mobile internet users. ( look at the picture )

Answers

Answer 1

Answer:

$\bf 400,000,000\implies 4* 10^8 \n\n[-0.35em] ~\dotfill\n\n \cfrac{\textit{desktop users}}{\textit{mobile users}}\qquad \qquad \cfrac{1.2* 10^9}{4* 10^8}\implies \cfrac{12* 10^8}{4* 10^8}\implies \cfrac{12}{4}*\cfrac{10^8}{10^8}\implies \cfrac{3}{1}$

3 : 1, or 3 to 1, thus 3 times as many.

Answer 2

Answer: 3 times as many or 3:1

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√−100 = ___ +_____i
...

Answers

Answer:

Step-by-step explanation:

Rewrite this as

$√((-1)(100))$

Knowing that i-squared = -1:

$√((i^2)(100))$

Both i-squared and 100 are perfect squares, so this simplifies to

±10i

The cost of 3 pizzas and 4 sandwiches at the deli is $68. The cost of 3 pizzas and 7 sandwiches is $92. Find the cost of one pizza and sandwiches

Answers

3p+4s=68 and 3p+7s=92 we can rearrange equation 1 to let 's' be the subject : s=(68-3p)/4. We can then sub this into equation 2 so that there is only one unknown: 3p+7(68-3p)/4=92. Then takeaway p from both sides: 7(68-3p)/4=92-3p. Then multiply by 4: 7(68-3p)= 4(92-3p). The use distributive law on both sides: 476-21p=368-12p. Then rearrange to get 108=9p and the divide by 9 and you will get p=12 Hope this helps!!

What is the discount of 97.99 83.30

Answers

97.99
+ 83.30
---------------
181 . 29

u would add them together and u would get 181.29 hope that helps

Simplify -6 + 4/7 x + 4 - 6/7 x , show work

Please I Need Help Asap .

Answers

6+4= 10
4/7x+-6/7x= -2/7x
Answer would be 10 - 2/7x

Use Distributive property 32x6)+(32x4) and rewrite

Answers

ily cor the same time as a result of the

The mayor of a small town wants to determine the opinion of citizens of his town on the building of a new recreation center. He will select every fifth name on a list of town citizens to survey. What type of sampling strategy is the mayor using?

A.
convenience

B.
simple random

C.
stratified random

D.
systematic

Answers

The sampling strategy the mayor is using is D. Systematic sampling.

What type of sampling strategy is the mayor using?

Systematic sampling involves selecting every nth element from a list or population to create a sample. In this case, the mayor is selecting every fifth name from the list of town citizens.

It is a structured and ordered approach to sampling that ensures randomness and avoids potential biases that could be present in convenience sampling. Option D

Learn more about Systematic sampling at brainly.com/question/28505229

#SPJ2

I think it's B simple random.

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Is the answer A or C?

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