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Naddika [18.5K]
3 years ago
5

What are the solutions to the quadratic equation (5y + 6)2 = 24? y = and y = y = and y = y = and y = y = and y =

Mathematics
2 answers:
satela [25.4K]3 years ago
8 0
The correct result would be y = -6/5 - (2 * sqrt(6))/5 and<span> y = (2 * sqrt(6))/5 - 6/5.

</span>
NeTakaya3 years ago
8 0

For this case we have the following quadratic expression:

(5y + 6) ^ 2 = 24

From here, we must clear the value of y.

For this, we follow the following steps:

1) We clear the square term:

(5y + 6)  =+/-\sqrt{24}

(5y + 6)  =+/-2\sqrt{6}

2) Pass the value of 6 by subtracting:

5y  =-6+/-2\sqrt{6}

3) Pass the value of 5 to divide:

y  =\frac{-6+/-2\sqrt{6} }{5}

Answer:

The solutions to the quadratic equation are:

y  =\frac{-6+2\sqrt{6} }{5}

y  =\frac{-6-2\sqrt{6} }{5}

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3 0
3 years ago
lily is making granola she uses almonds walnuts and pecans in tge ratio 4:3:8 lily uses 40ounces of pecans
lbvjy [14]
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3 years ago
Jerald jumped from a bungee tower. If the equation that models his height, in feet, is h = –16t2 + 729, where t is the time in s
Snezhnost [94]

Answer. First option: t > 6.25


Solution:

Height (in feet): h=-16t^2+729

For which interval of time is h less than 104 feet above the ground?

h < 104

Replacing h for -16t^2+729

-16t^2+729 < 104

Solving for h: Subtracting 729 both sides of the inequality:

-16t^2+729-729 < 104-729

-16t^2 < -625

Multiplying the inequality by -1:

(-1)(-16t^2 < -625)

16t^2 > 625

Dividing both sides of the inequality by 16:

16t^2/16 > 625/16

t^2 > 39.0625

Replacing t^2 by [ Absolute value (t) ]^2:

[ Absolute value (t) ]^2 > 39.0625

Square root both sides of the inequality:

sqrt { [ Absolute value (t) ]^2 } > sqrt (39.0625)

Absolute value (t) > 6.25

t < -6.25 or t > 6.25, but t can not be negative, then the solution is:

t > 6.25



5 0
3 years ago
Read 2 more answers
Pls help with sum geometry
kaheart [24]

YES! quite easily.

I hope you can see the two pairs of corresponding angles between the parallel lines. they'll be equal

and then there's a pair of vertically opposite angle at centre.

that means all pairs of corresponding angles are equal, thus, triangles are similar by AAA

4 0
4 years ago
Read 2 more answers
I need help please what is the correct answer
Sedbober [7]
Y = 0.8597(60) + 73.4728
y = 124.9468

About 125 g
7 0
3 years ago
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