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Scorpion4ik [409]
3 years ago
11

What is the sum of ½+⅜

Mathematics
1 answer:
Julli [10]3 years ago
8 0
As 1╱2 equals to 4/8 so it is 4+3╱8=7╱8
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1.147 as a percentage​
Ratling [72]
Since a percentage is out of 100, simply divide 1.147 by 100 to get a percent. Dividing by 100 means moving the decimal two please to the left(once for each 0). So we should have 0.01147%
8 0
3 years ago
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Help me,,.,,.,.,,,,,..,,,,..
Stella [2.4K]

Answer:

90

Step-by-step explanation:

that's a right angle

4 0
3 years ago
John has 3/8 ribbons. He gave his friends 2/6 to his friend. How many ribbons are left for him?
dybincka [34]

Answer:

1 / 24

Step-by-step explanation:

= > 3/8 - 2/6

=> {(3 x 3)/(8 x 3)} - {(2x4)/(6x4)}

=> 9/24 - 8/24

=> ( 9 - 8 ) / 24

= 1 / 24 ANS

4 0
3 years ago
A meteorologist who sampled 4 thunderstorms found that the average speed at which they traveled across a certain state was 16 mi
DENIUS [597]

Answer:

The  90 % confidence  interval  for the mean population is (11.176  ; 20.824 )

Rounding to at least two decimal places would give 11.18 , 20.83

Step-by-step explanation:

Mean = x`= 16 miles per hour

standard deviation =s= 4.1 miles per hour

n= 4

\frac{s}{\sqrt n}  =  4.1/√4= 4.1/2= 2.05

1-α= 0.9

degrees of freedom =n-1=  df= 3

∈ ( estimator  t with 90 % and df= 3 from t - table ) 2.353

Using Students' t - test

x`±∈ * \frac{s}{\sqrt n}

Putting values

16 ± 2.353 * 2.05

= 16 + 4.82365

20.824  ;        11.176

The  90 % confidence  interval  for the mean population is (11.176  ; 20.824 )

Rounding to at least two decimal places would give 11.18 , 20.83

4 0
3 years ago
Read 2 more answers
PLZZZZZ help A car's gas tank that is 40% full contains 12 gallons of gas. Show the math you used to find the maximum capacity o
Romashka-Z-Leto [24]
<h3><u><em>Answer:</em></u></h3><h3><u><em>30</em></u></h3><h3><u><em>Step-by-step explanation:</em></u></h3><h3><u><em>Answer: 30 gallons</em></u></h3><h3><u><em></em></u></h3><h3><u><em>Step-by-step explanation:</em></u></h3><h3><u><em></em></u></h3><h3><u><em>So fist we add 40% and $40%. That's 80 percent of the tank which is 12 + 12 = 24. </em></u></h3><h3><u><em>Then we figure out half of 40 percent which is 20 which means its 6 gallons. </em></u></h3><h3><u><em>Now we add. 12+12+6 which equals our answer 30 gallons</em></u></h3><h3><u><em></em></u></h3>

<u><em></em></u>

3 0
3 years ago
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