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OLga [1]
3 years ago
13

A cyclist travels 2/3 of his journey at the average speed of 12 miles per hour. He then travels the remaining 30 miles of his jo

urney in 3 hours. How long does it take?
Mathematics
1 answer:
Debora [2.8K]3 years ago
7 0
Would it be <span>SOLVE FOR TIME TRAVELED WITH IN 60 MILES @ 12MILES/HR 
DISTANCE=VELOCITY X TIME 
T=S/V
T=60/12
T=5HRS
TOTAL TIME OF JOURNEY =5+3=8HRS.....ANSWER</span>
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Answer:

83%

Step-by-step explanation:

12 + 13 + 15 = 40

16 x 4 = 64

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Which side lengths form a triangle that is similar to triangle ABC
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3 years ago
what number should be added to the expression x squared+2x to change it into a perfect square trinomial?
Nookie1986 [14]
You know that a perfect square trinomial is given by square of first term, twice the product of first and last terms and square of second term

So we have x^2 that is square of x, 2x that is twice the product of x*1, the second term shoulf be 1, that is square of 1

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3 0
3 years ago
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0.07 is one tenth of
mr Goodwill [35]
0.07 is one tenth of 0.7
8 0
3 years ago
I need help with this please....Thanks
IrinaK [193]

Answer:

The total cost of redecoration is £66, that is less than £75. Tenant can decorate the room for the budget set.

Step-by-step explanation:

Lets start calculating the areas of shorter and longer walls.

The area of shorter wall is

2.65m*2.98m=7.897m^2.

The area of longer wall is

3.94m*2,65m=10.441m^2.

Together the area of one long and one short wall is

7.897m^2+10.441m^2=18.338m^2.

The area to be painted ( one short and one long wall) is 18.338m^2 that is less than 30m^2, and hence only one tin of paint is needed (costs £16).

If there is assumed that the sheets of wallpaper must be whole from floor to ceiling, the calculations are following.

We get from one roll

10m/2.65m=3.77 sheets; we can use only 3 of them

The width of the walls is 3,94m+2,98m=6,92m,

and division gives 6.92m/0.52m=13,3... .

Hence it requires 14 sheets, that is 5 rolls of wallpaper.

Wallpaper costs 5*£10=£50 and altogether it is needed £50+£16=£66 to redecorate the room.

7 0
3 years ago
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