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2 years ago

What is the value of the 3 in 16.35 ?

Mathematics

2 answers:

WINSTONCH [101]2 years ago

8 0

Answer: easy. The value is 3 tenths.

Step-by-step explanation:

ser-zykov [4K]2 years ago

6 0

Answer:

3 tenths

Step-by-step explanation:

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in a sale normal prices are reduced by 15%. the sale price of a CD player is $102. work out the normal price of the CD player.

morpeh [17]

.85x=102
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8 0

2 years ago

I need help solving

Misha Larkins [42]

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2 years ago

What do you do? Is this correct?

hodyreva [135]

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2 years ago

Apple launches an ad campaign for iPhone 12. Managers want to know what is the % of social media mentions that have positive rea

Orlov [11]

Answer:

social media mentions do managers at Apple need to collect, if they want to get a margin of error of 2%

Sample size 'n' = 625

Step-by-step explanation:

Step(i):-

Given data Apple launches an ad campaign for iPhone 12

Managers want to know what is the % of social media mentions that have positive reactions to the new ad campaign

probability of positive reactions p = 1/2

Probability of negative reactions q = 1-p = 1/2

we know that $\sqrt{p(1-p}\leq \frac{1}{2}$

Step(ii):-

Given margin of error = 2 % =0.02

The margin of error is determined by

$M.E = \frac{\sqrt{p(1-p} }{\sqrt{n} }$

$0.02 = \frac{\frac{1}{2} }{\sqrt{n} }$

$\sqrt{n} =\frac{1}{2 X0.02}$

√n = 25

squaring on both sides, we get

n = 625

8 0

2 years ago

Factor mn - 4m - 5n + 20

anastassius [24]

Mn - 4m - 5n + 20

In this, mn and -4m have a common factor; m. So we can take that out to make it:

m(n-4) -5n + 20

Now, -5n + 20 also has a common factor which is 5, because 20/5 gives you 4, and 5/5 equals 1. So we can talk out that -5 (it doesn't need to be negative, but negatives on variable, no gusta). So you'd get

m(n-4)-5(n-4) OR m(n-4)+5(-n+4)

4 0

2 years ago

Read 2 more answers