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mote1985 [20]
3 years ago
6

Sole The Equation 0.75q²=108 55 POINTS

Mathematics
1 answer:
rusak2 [61]3 years ago
5 0
Q= -12

Explain:
Basically we divide both sides by 0.75
Then expand 108 over 0.75 multiplying both by 100 so q cubed= 10800 over 75 when we divide 10800 with 75 we get q cubed=144 then we subtract 144 from each side consider q cubed - 144 rewrite it as q cubed minus 12 cubed the squares can be factored by a cubed and b cubed = ( a - b )(a+b)
So then it’s (q -12) (q+12) = 0 to find solution you gotta solve q - 12 = 0 and q+ 12=0
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What is 16.2 simplified (and 121 simplified to)
Cerrena [4.2K]

Answer:

16.2 = \frac{81}{5} and 121 = \frac{121}{1}

Step-by-step explanation:

16.2 can be simplified to its fraction form, which is \frac{81}{5}

  • 16+\frac{2}{10} =\frac{81}{5} which is 16.2

121 is already simplified since it is a whole number, but its fraction form would be \frac{121}{1}

  • 121+\frac{0}{10} =121 which is 121

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<em>(I hope this helped & good luck! <3)</em>

7 0
3 years ago
Ami buys x apples and y bananas. The apples cost 15p each and the bananas cost 20p each. The total cost of Ami's apples and bana
Bezzdna [24]

Answer:

0.15x + 0.20y = 1.80

Step-by-step explanation:

Here, we are interested in writing an equation for the total cost of the apples and bananas

before we write , kindly understand that 100p = £1

So the cost of apple which is 15p will be 15/100 =£ 0.15

The cost of bananas which is 20p will be 20/100 = £0.2

Thus, the total cost of the apples bought will be number of apples bought * price of apple bought = 0.15 * x = £0.15x

The cost of bananas = number of bananas bought * price of bananas = 0.2 * y = £0.2y

So the total cost of the apples and bananas will be;

0.15x + 0.20y = 1.80

7 0
3 years ago
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iVinArrow [24]

Answer:

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Step-by-step explanation:

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