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Margarita [4]
3 years ago
9

1 tenth of 70kg is if you help thx

Mathematics
1 answer:
kkurt [141]3 years ago
8 0

it would be 70/100 then it would go down to 7/10 so 1/10 of 70kg would be 7kg because you change 70 you make it a decimal witch is .70 or .7 now make that into a fraction and it would be 70/100 or 7/10 then you take your 7 because its 1/10 of 70. Or you could do it a whole lot easier way and just divide 70 by 10 and get 7. There you have it your answer is 7.

                                        HOPE THIS HELPED!!!

                                                   THANKS!!!

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It takes Alexandra 2 hours and 44 minutes to cut the grass. Austin needs 3 hours and 14 minutes to cut the grass. If they work t
Vedmedyk [2.9K]
For problems such as this, it can be handy to remember that
.. 1/(1/a +1/b) = ab/(a +b)

The time required to do a job is the inverse of the rate at which the job is done. Rates are added when people work together (in math problems, not in real life).

(2:44)*(3:14)/(2:44 +3:14) = 1:28:52.3

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2:44 = 41/15 hours = 82/30 hours
3:14 = 97/30 hours
Using the formula above, we have a "working together" time of
.. (82/30)*(97/30)/(82/30 +97/30) = 82*97/(30*179) = 3977/2685 . . . hours
.. = 1 hour 28 156/179 minutes
.. = 1 hour 28 minutes 52 52/179 seconds

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Learn to use the fraction functions on your calculator. They can be very helpful.
6 0
3 years ago
Match each number in scientific notation with the number written in standard form and in a step by step process.
geniusboy [140]

Answer:

1) Option 3

2) Option 1

3) Option 2

Step-by-step explanation:

To find : Match each number in scientific notation with the number written in standard form and in a step by step process.

Solution :

From scientific to standard we expand the power of 10.

1) 6.82\times 10^7

Remove decimal and open the power,

6.82\times 10^7=\frac{682}{100}\times 10000000

6.82\times 10^7=68200000

Therefore, 6.82\times 10^7=68,200,000

Match with Option 3.

2) 6.82\times 10^{-6}

Remove decimal and open the power,

6.82\times 10^{-6}=\frac{682}{100}\times \frac{1}{1000000}

6.82\times 10^{-6}=\frac{682}{100000000}

Therefore, 6.82\times 10^{-6}=0.00000682

Match with Option 1.

3) 6.82\times 10^6

Remove decimal and open the power,

6.82\times 10^6=\frac{682}{100}\times 1000000

6.82\times 10^6=6820000

Therefore, 6.82\times 10^6=6,820,000

Match with Option 2.

7 0
3 years ago
A newspaper wants to estimate the proportion of Americans who will vote for Candidate A. A random sample of 1000 voters is selec
masya89 [10]

Answer:

the excel that would be used to construct a confident interval estimate is (A) NORM.S.INV

Step-by-step explanation:

NORM>S>INV returns the of the standard normal cumulative distribution.

4 0
3 years ago
Calculate the length of the line segment round to the nearest whole number 6,6 and -2,-3
Nataliya [291]
It is 14 because 8= 6to-2 and 3to-3is 6 so both together is 14
hope this helps
4 0
3 years ago
F(x) = 2x2 - 4x?; Find (-4)
anastassius [24]

Answer:

0 (zero)

Step-by-step explanation:

Plug in the variable for -4 and solve

y= 2(-4)2-4(-4)

y= -8(2)-4(-4)

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y=0

4 0
3 years ago
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