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ZanzabumX [31]
4 years ago
6

Toms tunes: $60 per hour. Sabrina’s sounds: $100 set up fee plus $40 per hour DJ Derek: $175 set up fee plus $30 per hours. If t

he committee has $450 to spend on a DJ. for how many hours could each DJ play ?
Mathematics
2 answers:
baherus [9]4 years ago
5 0

toms tunes: 7.5 hours

sabrinas sounds:8.75 hours

dj derek:9.167 hours


Lisa [10]4 years ago
3 0
Toms tunes could play for 7.5 hours because 450/60= 7.5
Sabrina's sounds could play for 8.75 hours because 450-100(set up fee)= 350 and 350/40= 8.75
DJ Derek could play for approximately 9.17 hours  because
450-175(set up fee)= 275  and then 275/30= 9.16666667 or approximately 9.17.
Hope this helped you out! 
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SSSSS [86.1K]

Answer:

(5,1) is not a solution of the above system of equations.

Step-by-step explanation:

We are given a system of equations that are  

- 5y = - 5 ......... (1) and  

7x + 6y = 7 ........... (2)

So, solving equation (1) we get y = 1 and putting y = 1 in the equation (2) we get 7x = 7 - 6(1) = 1

⇒ x = \frac{1}{7}

So, it clear from the solution of the above equations i.e. (\frac{1}{7}, 1), we can say that (5,1) is not a solution of the above system of equations. (Answer)

7 0
4 years ago
A brand of uncooked spaghetti comes in a box that is a rectangular prism with a length of 8 inches, a width of 3 inches, and a h
ad-work [718]

Answer:

147 in2

Step-by-step explanation:

(Assuming the height is 4 1/2 inches = 4.5 inches)

We need to calculate the area of all six faces of the prism

Two faces have the sides 8 and 3, which area is 8*3 = 24 in2

two other faces have the sides 8 and 4.5, which area is 8*4.5 = 36 in2

the two last faces have the sides 3 and 4.5, which area is 3*4.5 = 13.5 in2

So, summing up all the areas, we have:

24 + 24 + 36 + 36 + 13.5 + 13.5 = 147 in2

5 0
3 years ago
Solve x^2 + 6x - 5 = 0 by completing the square.
Nezavi [6.7K]

Answer:

(x + 3)² = 14

Step-by-step explanation:

x² + 6x - 5 = 0

Add 5 and 9 on both sides.

x² + 6x + 9 = 14

Factor left side.

(x + 3)² = 14

Take the square root on both sides.

(x + 3) = ±√14

Subtract 3 on both sides.

x = -3 ±√14

6 0
4 years ago
Crowned Brainly and will have 10 points. EMERGENCY!
gavmur [86]

Answer:

324ft^2

Step-by-step explanation:

rectangle: 22ft X 12ft = 264ft^2

trapazoid: 1/2(22+8)4 = 60ft^2

264 + 60 = 324ft^2

hope this helped!! :D

tell me if you need further explaination!

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3 years ago
A figure composed of two quadrilaterals is shown.
Tems11 [23]

Answer:

D a reflection over a line through point P followed by a dilation centered at point P

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