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NNADVOKAT [17]
2 years ago
8

Solve this quadratic equation using the quadratic formula. (3- y)(y + 4) =3y -5

Mathematics
2 answers:
iogann1982 [59]2 years ago
6 0

Answer:

y=-(2±√21)

Step-by-step explanation:

Basile [38]2 years ago
6 0

Answer:

y=-6.5

Step-by-step explanation:

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The given study is observational study

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A statistical indicator of the strength of the association between the relative movements of two variables is the correlation coefficient. The values are in the -1.0 to 1.0 range. There was a measurement error in the correlation if the estimated value was larger than 1.0 or lower than -1.0. Perfect negative correlation is shown by a correlation of -1.0, and perfect positive correlation is shown by a correlation of 1.0. A correlation of 0.0 indicates that there is no linear link between the two variables' movements. Finance and investing can benefit from the usage of correlation statistics.

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5 0
2 years ago
A clothing store sells a customer 3 T-shirts and 4 pairs of shorts for $83.
ss7ja [257]
3t + 4s = $83
4t + 1s = $50 (x 4)

16t + 4s = $200
3t + 4s = $83 (minus them£

13t = $117 (divide by 13)

t = $9

sub t into first equation.

3 x 9 = 27
27 + 4s = $83
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s = $14

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7 0
3 years ago
A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 52t - 16t^2 . What i
Nata [24]

Answer: 42.25 feet

Step-by-step explanation:

We know that after "t" seconds, its height "h" in feet is given by this function:

h(t) = 52t -16t^2

The maximum height is the y-coordinate of the vertex of the parabola. Then, we can use the following formula to find the corresponding value of "t" (which is the x-coordinate of the vertex):

x=t=\frac{-b}{2a}

In this case:

a=-16\\b=52

Substituting values, we get :

t=\frac{-52}{2(-16)}\\\\t=1.625

Substituting this value into the function to find the maximum height the ball will reach, we get:

h(1.625) = 52(1.625) -16(1.625)^2\\\\h(1.625) =42.25\ ft

4 0
3 years ago
Read 2 more answers
Como converter 13 graus em radianos?
victus00 [196]

Answer:

13 grados es igual a 0.226893 radianes

Step-by-step explanation:

8 0
3 years ago
What is the volume of the rectangular prism below?
MrRissso [65]

Answer:

D- 32 cubic units

Step-by-step explanation:

count each side and then multiple the numbers

8 0
2 years ago
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