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Len [333]
3 years ago
6

(2.4-(0.3-3.21)/2+0.44/(-2))/2/5

Mathematics
2 answers:
Taya2010 [7]3 years ago
7 0
The answer would be 0.3635
anastassius [24]3 years ago
7 0

(2.4-(0.3-3.21)/2+0.44/(-2))/2/5

= (2.4-(-2.91)/2+0.44/(-2))/2/5

= (2.4+(2.91)/2+0.44/(-2))/2/5

= (2.4+2.91/2+0.44/(-2))/2/5

= (2.4+1.455+0.44/(-2))/2/5

= (2.4+1.455+(-0.22))/2/5

= (2.4+1.455-(0.22))/2/5

= (2.4+1.455-0.22)/2/5

= (3.855-0.22)/2/5

= (3.635)/2/5

= (3.635/2)/5

= (1.8175)/5

= 1.8175/5

= 0.3635

Hence, the correct answer is 0.3635

Hope this helps..!!

Thank you :)


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88% of his weight remains

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Zara filled up her car with 15 gallons of gas. If Zara paid $33.00, what was the price per gallon of gas?
djyliett [7]

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$2.20 per gallon.

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Is − 227 in the sequence below? 13 , 7 , 1 , − 5 , − 11 ,
Papessa [141]

Answer:

Step-by-step explanation:-227 is in The sequence

13,7,1,-5,-11,.....

First term=a=13

Common difference=d=7-13=-6

Checking if -227 is in The sequence

using the formula

Tn=a+dx(n-1)

-227=13+(-6)x(n-1)

-227=13-6n+6

collect like terms

6n=13+6+227

6n=246

Divide both sides by 6

6n/6=246/6

n=41

Therefore -227 is the 41ist term Of The sequence

4 0
3 years ago
An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clo
Anastaziya [24]

Answer:

(D) 180 degrees

Step-by-step explanation:

There are 12 hours on the clock.

For each 1 hour, the hour hand rotates = 360^0 \div 12=30^0

From 8 o'clock in the morning to 2 o'clock in the afternoon= 6 Hours

Therefore:

Number of degrees rotated by the hour hand = 6 X 30^0 =180^0

8 0
3 years ago
Critical Thinking: Data Transformation In this problem, we explore the effect on the standard deviation of multiplying each data
suter [353]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data : 5, 9, 10, 11, 15

s = √[(ΣX - m)² / (n - 1)]

n = number of sample = 5

m = mean

m = ΣX/n

m = (5 + 9 + 10+ 11 + 15) / 5

m = 50/5 = 10

s =√((5-10)^2 + (9-10)^2 + (10-10)^2 + (11-10)^2 + (15-10)^2) / 5-1

= 3.601

(B) Multiply each data value by 5 to obtain the new data set 25, 45, 50, 55, 75. Compute s.

m = ΣX/n

m = (25 + 45 + 50 + 55 + 75) / 5

m = 250/5 = 50

s =√((25-50)^2 + (45-50)^2 + (50-50)^2 + (55-50)^2 + (75-50)^2) / 5-1

= 18. 028

(c) Compare the results of parts (a) and (b). In general, how does the standard deviation change if each data value is multiplied by a constant c?

The standard deviation changes by almost c times multiplied by the initial value.

3.601 * 5 = 18.005 which is almost equivalent to 18.028

(d) You recorded the weekly distances you bicycled in miles and computed the standard deviation to be s 3.1 miles. Your friend wants to know the standard deviation in kilometers. Do you need to redo all the calcula- tions?

No

Given 1 mile 1.6 kilometers, what is the standard deviation in kilometers?

If 1 mile = 1.6km

s = 3.1 miles

s in kilometers = (1.6 * 3.1) = 4.96km

6 0
3 years ago
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