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DerKrebs [107]
3 years ago
8

Need help with the answer please and thank you

Mathematics
1 answer:
Elza [17]3 years ago
6 0
The correct answer is 192
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The circumference of a circular garden is 62.8 feet. What is the diameter of the garden? Use 3.14 for it and do not round your a
aleksandrvk [35]

Answer:

19.98

Step-by-step explanation:

See attached image to find radius

Diamiter = 2*R

2*9.99=19.98

5 0
2 years ago
Solve (x-5)^2=3 <br><br> Please help
makvit [3.9K]
A is the answer!!!!!!!!!!
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3 years ago
Target sells 24 bottles of water for $3, and 36 bottles of water for $4. Which is the better buy and by how much?
pishuonlain [190]

Answer:

D) 36 bottles for $4 by 1.4¢ per bottle

Step-by-step explanation:

We calculate bottle per dollar for each option.

#A

Bottles/Dollar=\frac{24\ bottles}{\$3}=8 bottles/dollar

#Both B and C charges the same as A and will have bottle/dollar ration of 8:1

#D

=\frac{36}{4}\\\\=9

Hence, D is the better buy  as it gives you 9bottles per $1 spent as compared to the 8 bottles per $1 spent as in the other 3 options.

6 0
3 years ago
Write the standard form of the quadratic function whose graph is a parabola with the given vertex and that passes through the gi
Sonja [21]

Answer:

y = \frac{16}{3} x^{2}  + 16x + \frac{20}{3}

3 0
3 years ago
Need help with number 10 please
Naddika [18.5K]

Answer:

  Pilar is correct. Both systems have solution (-2, 4).

Step-by-step explanation:

Graphing, or any other means of solving these systems of equations reveals both systems have the same solution: (x, y) = (-2, 4).

_____

By Cramer's rule, the solution to the first set is ...

  x = (2(6)-4(2))/(2(5)-4(3)) = 4/-2 = -2

  y = (2(5)-6(3))/-2 = -8/-2 = 4

(x, y) = (-2, 4) is the solution to the first system

__

Since the first equation of the second system is the same as the first equation of the first system, we know the above solution satisfies that equation. We only need to check to see if the same point satisfies the second equation of the second system:

  11(-2) +8(4) = -22 +32 = 10 . . . . . yes,

(-2, 4) is the solution of the second system

Pilar is correct that both systems have the same solution.

_____

Cramer's Rule tells you the solution to

  • ax +by = c
  • dx +ey = g

is ...

  • x = (bg -ec)/(bd -ea)
  • y = (cd -ga)/(bd -ea) . . . . same denominator as for x

I like to use Cramer's Rule when the solution is needed without a lot of steps. Here, we could use the Elimination method to eliminate the y-variable and solve for x. Then more steps are needed to find y. The writing out and explanation are tedious, so it is much simpler just to use a formula that gives the answer.

3 0
3 years ago
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