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Flura [38]
2 years ago
12

Is the answer C or D? Please explain as well so I can understand

Mathematics
1 answer:
OlgaM077 [116]2 years ago
8 0

Answer:

c

Step-by-step explanation:

i think it's correct and helping you

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-7/2 x (-7/5) pls help asap will mark brainliest if correct
lidiya [134]

Answer:

-\frac{7}{2}*-\frac{7}{5}=\frac{-7*-7}{2*5}=\frac{49}{10}=4.9

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Step-by-step explanation:

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Write an equation for the translation of x^2+y^2=49 by 3 units left and 4 units up
ludmilkaskok [199]
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Coffee beans worth $ 10.50 $10.50 per pound are to be mixed with coffee beans worth $ 13.00 $13.00 per pound to make 50 50 pound
MAVERICK [17]

Answer: 30 pounds of coffee beans worth $10.50 per pound was used.

20 pounds of coffee beans worth $13.00 per pound was used.

Step-by-step explanation:

Let x represent the number of coffee beans worth $10.50 per pound that should be mixed.

Let y represent the number of coffee beans worth $13.00 per pound that should be mixed.

50 pounds of beans worth $11.50 per pound is to be made. The total cost of the mixture would be

50 × 11.5 = 575

This means that

10.5x + 13y = 575 - - - - - - - 1

The total number of pounds of each type of coffee used is 50. This means that

x + y = 50

Substituting x = 50 - y into equation 1, it becomes.

10.5(50 - y) + 13y = 575

525 - 10.5y + 13y = 575

- 10.5y + 13y = 575 - 525

2.5y = 50

y = 50/2.5 = 20

x = 50 - 20= 30

6 0
3 years ago
ASAP
rewona [7]

Answer: 90 people

Step-by-step explanation:

3 ladles per person = 150 people x 3

= 450 ladles full

450 ladles full = 5 ladles per one person = 450/5 = 90 people

8 0
3 years ago
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