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Nady [450]
3 years ago
6

If 2/3 of amount x is 60, then what is 4/5 of x

Mathematics
1 answer:
frozen [14]3 years ago
8 0
I think it's 72 then?
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8x + 3(2 - x) = 5x + 6
tino4ka555 [31]

Answer:

0=0

Step-by-step explanation:

distribute

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subtract from both sides of the equation

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6 0
3 years ago
If the length of the side of a square is 3×-y what is the area of the square in terms of x and y
soldier1979 [14.2K]
(3x -y)(3x-y )= 9x^2 - 6xy + y^2
5 0
3 years ago
Answer please i am literally crying because i will get in trouble if i dont do it
alekssr [168]
Convert percentages to units.
100% - 20% = 80% = 0.8
100% - 25% = 75% = 0.75

Then multiply those together:
0.8*0.75=0.6=60%

100% - 60% = 40%. That's the overall price percentage reduction.


P.S. You can convert percentages to units by diving % by 100 for example 100% divided by 100 is equal to 1.
And vice versa aka multiply units by 100 and you get %, for example 0.8 times 100 is 80%



3 0
3 years ago
Read 2 more answers
Tara bicycles 15 mph with no wind. Against the wind, she bikes 10 miles in the same time that it takes to bike 16 miles with the
wlad13 [49]

Answer:

3.46 mph

Step-by-step explanation:

Speed of Tara bicycling without wind effect = 15mph

let the speed of wind be x mph

If she cycles against the wind then her speed will be decrease by the amount as the speed of wind

Then,

Speed of Tara bicycling against wind effect = (15-x)mph

distance traveled by Tara against wind = 10 miles

we know that

time = distance by speed

time taken by Tara while traveling against wind = 10/(15-x)

_______________________________________________________

If she cycles with the wind then her speed will be increase by the amount as the speed of wind

Then,

Speed of Tara bicycling with wind effect = (15+x)mph

distance traveled by Tara w wit wind = 16 miles

time taken by Tara while traveling with wind = 16/(15+x)

___________________________________________

it is given that both the time are same

time taken by Tara while traveling with wind  = time taken by Tara while traveling against wind

16/(15+x) = 10/(15-x)

=> 16(15-x)=10(15+x)

=> 240 - 16x = 150 +10x

=>240 - 150 = 10x+16x

=> 90 = 26x

=> x = 90/26 = 3.46

Thus, speed of wind is 3.46 mph.

5 0
3 years ago
34.74 ÷ 1.2<br>Solve without using a calculator :)​
Citrus2011 [14]

Answer:

28.95

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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