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Shkiper50 [21]
3 years ago
14

Which is the solution of the quadratic equation (4y-3)^2=72 ?

Mathematics
1 answer:
max2010maxim [7]3 years ago
7 0
Hello : 
<span>(4y-3)²=72 
4y-3 = </span>√72   or  4y-3 = - √72
y= (3+√72) /4   or y= (3 - √72) /4
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How to Solve for x. -1/2 (x + 2) + 1 1/2 x = 3 ​
kondaur [170]
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5 0
2 years ago
Ivan and Tanya share £150 in the ratio 4: 1<br>Work out how much more Ivan gets compared to Tanya.​
Anastasy [175]

Answer:

Ivan got £90 more than Tanya.

Step-by-step explanation:

Ivan and Tanya share the amount £150 in the ratio of 4 : 1

Amount received by Ivan = 150\times \frac{4}{(4+1)}

                                          = 150\times \frac{4}{5}

                                          = £120

Similarly, amount received by Tanya = 150\times \frac{1}{(4+1)}

                                                             = £30

Difference in their amounts = 120 - 30

                                              = £90

Therefore, Ivan got £90 more than Tanya.                                                                                                        

7 0
3 years ago
A ball is dropped from a height of 14 ft. The elasticity of the ball is such that it always bounces up one-third the distance it
Korvikt [17]

Answer:

Hello,

742/27 (ft)

Step-by-step explanation:

h_1=14\\\\h_2=\dfrac{14}{3} \\\\h_3=\dfrac{14}{9} \\\\h_4=\dfrac{14}{27} \\\\

d=14+2*\dfrac{14}{3} +2*\dfrac{14}{9} +2*\dfrac{14}{27} \\=14*(1+\dfrac{1}{3}+\dfrac{2}{9} +\dfrac{2}{27} )\\=14*\dfrac{53}{27} \\=\dfrac{742}{27} \\

5 0
3 years ago
in a coin jar, there are 45 nickles. the number of pennies and nickles together equal the number of dimes. there are 2 quarters
fredd [130]

Answer:

45 nickels

30 quarters

60 dimes

15 pennies

Step-by-step explanation:

Quarters:

45÷3=15

15×2=30

Dimes:

30×2=60

Pennies:

60-45=15

HOPE THIS HELPS!!!!!:)

3 0
3 years ago
Somebody helpppppp...................???????
olga55 [171]
I’m pretty sure it’s the second one
4 0
3 years ago
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