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Brilliant_brown [7]
3 years ago
14

The volume of a cube is 441cm3. Work out the length of its side rounded to 1 DP.

Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0

Answer:

volume of a cube = 441cm3.

l³=441cm³

l=7.6cm

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Spiro travels 140km per week travelling to and from work. If Spiro works 5 days per week. What distance is his work from home?
Ber [7]

Answer:

14 km

Step-by-step explanation:

<u>1) look at the information you are given:</u>

140 km total (<em>to and from work</em>)

Note that this number includes both the distance to work and the distance from work.

He works 5 days a week.

<u>2)Figure out the distance he travels within one day</u>

This means that you should take the 140 km and divide it by 5 in order to find out the amount of km he travels each day.

<h2>140 km / 5 days = 28 km</h2>

28 km is the amount of KM he travels each DAY.

<u>3) Figure out the distance from work to home </u>

From this point, it is important to note the question is asking for <u>the distance his work is from home.</u>

Each day, he must travel 2 times: he must go to work and go from work to home, which are both the same distance.

This means that in order to get only the distance from work to home, you must divide by 2.

<h2>28 km / 2 = 14 km</h2>

4 0
3 years ago
Read 2 more answers
Solve the system of linear equations by substitution.<br> 2x-y=3<br> x+5y=14
Arturiano [62]

Answer:

x= 29/11 or y= 25/11

Step-by-step explanation:

2x - y= 3 ...........equation 1

x + 5y= 14 ............equation 2

Make x the subject of the formula in equation 2

x= 14 - 5y ..............equation 3

Substitute x=14 - 5y in equation 1

2(14- 5y) - y=3

28 - 10y - y=3

Collect like terms

-10y - y=3 - 28

-11y= -25

divide both sides by coefficient of y

-11y/-11 = -25/-11

y= 25/11

Substitute y= 25/11 in equation 3

x=14 - 5(25/11)

x= 14 - 125/11

x= 29/11

6 0
3 years ago
Please help im so confused!?
sergejj [24]
I think the answer is D) 24/25.

Again sorry if its wrong!!

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3 years ago
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zubka84 [21]
7/10 × 5/3 = 116. i hope this helps!
7 0
3 years ago
Use the graph to interpret and match the approximate intervals with their descriptions.
Dmitry_Shevchenko [17]

Answer:

(-9, -3) - Interval over which the difference of the numbers of sales is negative.

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Hope this helps!

3 0
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