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liberstina [14]
3 years ago
9

What is 0.3 percent as a fraction

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
4 0
The answer is:  " \frac{3}{1000} " .
____________________________________________________

Method 1)
____________________________________________________

" 0.3 % = 0.3/100 = 0.3 ÷ 100 = 0.003 = " \frac{3}{1000} " . 

_____________________________________________________

Method 2)
_____________________________________________________

" 0.3 % = 0.3/100 = (0.3 * 10)/(100 * 10) =  3/1000" .

→  The answer is:  " \frac{3}{1000} " .
_____________________________________________________
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Income tax returns show that the mean income of self-employed persons in a particular year was £15,000, with a standard deviatio
DochEvi [55]

Answer:

Yes, There is significant difference.

Step-by-step explanation:

Null Hypothesis , H0 : Mean income = 15000

Alternate Hypothesis , H1 : Mean income  ≠  15000

t = (x - u) / ( s / √n)

x = sample mean = 14500 here, u = population mean = 15000 here ,             s = standard deviation =  975 here  , n = sample size

t = (14500 - 15000) / (975 / √169)

-500 / 75 = - 6.66

As  calculated t value in absolute terms is > 1.96 , ie tabulated value at 95% significance level (two sided). So we reject the null hypothesis in favor of alternate hypothesis. Hence, we state that 'Mean Income ≠  15000'

6 0
3 years ago
I need help been stuck for an hour now will mark the brainliest 40 points!
GenaCL600 [577]
A) x + y = 110
x - y = 40
B) Melvin swims for 35 minutes every day.
C) It is not possible
Step-by-step explanation:
Step 1:
Let x denote the duration for which Melvin plays tennis and y denote the duration for which he swims
Step 2 :
Part A :
Given that the total duration for which he plays and tennis is 110 minutes
so we have x + y = 110
Also given that he plays tennis for 40 minutes more than he swims
So, x = y+ 40 =>x-y = 40
So the linear pair of equations are
x + y = 110
x-y = 40
Step 3 :
Part B
Solving the above 2 equations we have
y+40+y = 110 = > 2y+ 40 = 110 = > y = 2y = 70 = >35
x = y+40 = 35+ 40 = 75
So Melvin plays tennis for 75 minutes and swims for 35 minutes every day.
Step 4 :
Part C
Given he plays and swims for 110 mins exactly, i.e x + y = 110
If Melvin plays tennis for 70 minutes , then x = 70, then the time for which he can swim is 110 - 70 = 40 mins.
He gets only 40 mins for swimming which is not 40 mins more than he plays tennis .
So this case is not possible.
4 0
3 years ago
Read 2 more answers
Solve for “x” 2(x-3)=2x+5
Naya [18.7K]

Answer: No value for x

Step-by-step explanation:

Open the bracket

2x-6=2×+5; combine like terms

2×-2×=5+6

0=11

6 0
4 years ago
Complete the statement: If 8 = m/4 then m - 12 = ?. Explain.
andre [41]
Solve for m:
8 = m/4

8 = m/4 is equivalent to m/4 = 8:
m/4 = 8

Multiply both sides of m/4 = 8 by 4:
(4 m)/4 = 4×8

(4 m)/4 = 4/4×m = m:
m = 4×8

4×8 = 32:
Answer:  m = 32 thus m - 12 = 32 -12 = 20
8 0
3 years ago
The volume of a solid is measured in units cubed. True False
weeeeeb [17]
I think the answer would be true
4 0
3 years ago
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