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Jlenok [28]
3 years ago
13

Subtracted 3 form 5 , then multiply by one forth

Mathematics
2 answers:
Novay_Z [31]3 years ago
5 0
I think -0.5
3-5= -2
-2x.25= -0.5
Alex787 [66]3 years ago
5 0

Answer

3-5x1/4=   1  3/4

Step-by-step explanation:

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Write two equivalent fractions of each fractions<br>a) 2<br> -- <br> 4<br>​
BigorU [14]
1/2 and 4/8! Both are equivalent!
6 0
3 years ago
The​ _____ _____, denoted ModifyingAbove p with caretp​, is given by the formula ModifyingAbove p with caretpequals=​_____, wher
Vlada [557]

Answer:

The​ <u>sample proportion</u>, denoted by  ^p​, is given by the formula ^p=​ \frac{x}{n}, where x is the number of individuals with a specified characteristic in a sample of n individuals.

Step-by-step explanation:

Sample proportion is used to determine sample mean, sample standard error and test the hypotheses about the population.

<em>sample mean</em> can be stated as p and <em>sample standard error</em> can be found using the equation\sqrt{\frac{p*(1-p)}{n} } where

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And if n×p×(1-p)≥10, then sample is assumed large enough to assume normal distribution and apply statistical test.

3 0
3 years ago
pep club members are making spirit buttons. They make 490 spirit buttons in 3 1/2 hours. Find the number of button pep club make
tatiyna
140 should be your answer. 490 divided by 3.5 = 140 :)
5 0
3 years ago
Read 2 more answers
If anna is 11 years older than Robert and robert is 2 years younger than sara david is 8 years older than Sara how old is everyo
grigory [225]

Answer:

The information given is not enough to determine their ages explicitly, so, here their ages are given in terms of Anna's age, which is the best that could be determined.

Anna's age = x years

Robert's age = (x - 11) years

Sara's age = (x - 9) years

David's age = (x - 1) years

Step-by-step explanation:

Let Anna be x years old.

Anna's age = x

Because Anna is 11 years older than Robert, we can say Robert's age is Anna's age minus 11.

Robert = x - 11

But Robert is 2 years younger than Sara, we can say Sara's age is Robert's age plus 2

Sara = (x - 11) + 2

= x - 9

David is 8 years older than Sara, we can say David's age is Sara's age plus 8.

David = (x - 9) + 8

= x - 1

4 0
3 years ago
4. An airplane at T(80,20) needs to fly to both U(20,60) and V(110,85). What is the shortest possible distance for the trip?
damaskus [11]
The distance formula for two points in a plane is 
D=sqrt( (x1-x2)^2 + (y1-y2)^2 ) 
 From T to U
 D= sqrt((80-20)^2 + (20-60)^2) = 72.11 
 Then flying from U to V
 D= sqrt((20-110)^2 + (60-85)^2) = 93.4 
 So T to U to V = 72.11+93.4 = 165.5 
 BUT checking also T to V to U
 From T to V
 D= sqrt((80-110)^2 + (20-85)^2) = 71.6
 Then from V to U
 D= sqrt((110-20)^2 + (85-60)^2) = 93.4 
 So from T to V to U = 165
 Pretty much the same both directions
 So yes the answer is A
4 0
3 years ago
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