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Ludmilka [50]
3 years ago
6

37% of what number is 48?

Mathematics
2 answers:
vesna_86 [32]3 years ago
6 0

Answer:

48 is 37% of 129.72973

shepuryov [24]3 years ago
3 0

Answer:

129.73

Step-by-step explanation:

You might be interested in
Is this a geometric sequence: 256, 192, 144, 108.
lozanna [386]

Answer:

Yes

Step-by-step explanation:

For GP, Tn = ar^(n-1), where a = first term and r = common ratio, again,

r = Tn/Tn-1

All we will do is to verify

if T2/T1 = T3/T2

 192/256 = 144/192

 0.75       =  0.75


Conclusion:

 As T2/T1 = T3/T2 which is 0.75  =  0.75, therefore, It is a Geometric Progression (GP)

 

7 0
3 years ago
Construct the indicated confidence interval for the difference in proportions. Assume that the samples are independent and that
IceJOKER [234]

Answer:

CI 99%   =  ( - 0.0009 ;  0.0541 )

Step-by-step explanation:

Sample 1 New Yorkers

sample size    n₁   =  558

x₁  =  193

p₁ = x₁/n₁   =  193/ 558      p₁ =  0.3458  q₁ =  1  - p₁   q₁  =  1  -  0.3458

q₁  =  0.6542

Sample 2  Californians

sample size     n₂  =  614

x₂  =  196

p₂  =  x₂/n₂  =  196 / 614    p₂ = 0.3192   q₂  =  1  -  p₂   q₂ =  1 - 0.3192

q₂ =  0.6808

CI 99 %    means   significance level α  = 1 αα%    α = 0.01

α/2  =  0.005

In z-table we look for z score for  0.005    z (c) =  2.57

CI 99 %  =  [  (  p₁  -  p₂ ) ±  z(c) * √( p₁*q₁)/n₁  + ( p₂*q₂)/n₂

p₁ - p₂  =  ( 0.3458 - 0.3192 )  =  0.0266

√( p₁*q₁)/n₁  + ( p₂*q₂)/n₂   =√  0.3458*0.6542)/558 +  0.3192*0.6808)/614

√( p₁*q₁)/n₁  + ( p₂*q₂)/n₂   = √ 4.05*10⁻⁴   +  3.54 * 10⁻⁴

√( p₁*q₁)/n₁  + ( p₂*q₂)/n₂   =  10⁻² * √7.59    =  10⁻²  *  2.75

Then:

CI 99 %  =  0.0266  ±  2.75 * 10⁻²

CI 99%   =  0.0266   ±  0.0275

CI 99%   =  ( - 0.0009 ;  0.0541 )

6 0
3 years ago
the product of two numbers is 7904, and the absolute value of one of the numbers is 247. Find two possible solutions for the oth
Nina [5.8K]

Two Possible solutions for the other number are -32 and 32.

<h3>What are absolute value of a number?</h3>

Absolute value describes the distance from zero that a number is on the number line, without considering direction.

Overall, To find the absolute value of a number :

Let we have any number n ( it can be positive/negative ).

so, Absolute value of 'n' will be | n | (mod of n) , means we have to take positive value of the given number.

For example: | -3 | = 3

| 4 | = 4

| -1000 | = 1000

Now, For absolute value -

For example: Absolute value of 29 is 29.

Absolute value of -56 is 56.

Absolute value of -1000 is 1000.

We have given the product of two numbers is 7904.

Let say we have number 'a' and 'b'.

so, here : a x b = 7904.        ------------ ( i )

The absolute value of one of the numbers is 247.

Let Absolute value of 'a' = 247

So the number 'a' can be either 247 or -247.

because absolute value of 247 is 247 and also absolute value of -247 is 247.

using equation ( i )

a x b = 7904

b = 7904 / a.

when a = 247

b =  32

when a = -247

b = - 32

Hence, Two Possible solutions for the other number are -32 and 32.

Learn more about "Absolute Values" from here: brainly.com/question/1301718

#SPJ9

8 0
2 years ago
For the binomial distribution with n=4 and p=0.25
Effectus [21]

Answer:

a.) .0469

b.) .9961

c.) .9492

Rounded these check below for full answers

Step-by-step explanation:

a.)

{4\choose3}*.25^3*(1-.25)=.046875

b.)

Porbability of at most 3 successes is equal to 1-p(4)

p(4)=

{4\choose4}*.25^4=.003690625

1-.003690625=.99609375

c.)

two or more failures is equa lto

p(0)+p(1)+p(2)=

{4\choose0}*.25^0*(1-.25)^4+{4\choose1}*.25^1(1-.25)^3+{4\choose2}*.25^2*(1-.25)^2=.94921875

4 0
3 years ago
I have a homework about subtracting Integers and i don't get what -9 - 5, 31 - 48, ang -6 - 7 is
Alexxandr [17]
Well remember this:
When the signs are the same it is positive
When the signs are different make it negative

When you are subtracting a negative and positive, it is going to be like adding
for example:
-9 - 5 = -14
You just add 9 and 5 to get 14, the signs are different so it is going to be negative. ONLY WHEN YOU ARE SUBTRACTING NEGATIVES



5 0
3 years ago
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