3 years ago

Convert 70.4 pounds to kilograms

Mathematics

1 answer:

prohojiy [21]3 years ago

7 0

Answer:

70.4 pounds to kilograms is 31.93 kilograms

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3. Solve the equation. -3 2/5 + b = 8 1/5

user100 [1]

Answer:

3) b= 11 3/5

4) n= 1/18

5) 5/12 feet

Step-by-step explanation:

3) add -3 2/5 to both sides

4) multiply both sides by 3n, divide by -42, then divide 7/42 by 3 (or multiply it by the reciprocal: 1/3)

5) convert the height to inches by multiplying by 12, subtract 69 from 74, then divide answer by 12

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3 years ago

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Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,675

kvv77 [185]

Answer:

Part a)

Mean: 13155.6

Mode:None

Median: 12700

Step-by-step explanation:

12700 : 1

15478: 2

12675: 3

11850: 4

13075: 5

Mean :

$=\frac{Sum of all values}{Total no. of values} \\=\frac{12700 + 15478 + 12675 + 11850 + 13075}{5}\\=\frac{65778}{5}\\= 13155.6$

Mode:

All values are distinct, therefore there is no mode. A mode is value which occurs most frequently.

Median:

Arrange the values in ascending order:

11850 , 12675, 12700, 12075, 15478

The mid value is median: 12700

Part b)

It depends upon the data. In this question the best way to predict how many miles Gina will drive in the next years is by using Median of the data.

The reason is that there is a potential outlier in the data i.e 15478. In case of outlier median tends to give better predictions.

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3 years ago

Using the quadratic formula to solve x2 = 5 – x, what are the values of x?

Ivenika [448]

Answer:

x²=5-x

x²+x-5=0

1x²+1x²-5=0

[ax²+bx²+c=0]

∆=b²-4ac

∆=1²-4(-5)(1)=1+20=21

x=(-b±√∆)/2a

x=(-1±√21)/2

meaning:

x=(-1+√21)/2 or x=(-1-√21)/2

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leonid [27]

Answer:

3/5

Step-by-step explanation:

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3 years ago

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True or false: Weight which is less than 85% of what is considered normal for age and height is a main characteristic of bulimia

alex41 [277]

Answer:

True

Step-by-step explanation:

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3 years ago

Convert 70.4 pounds to kilograms​

Convert 70.4 pounds to kilograms