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irga5000 [103]
3 years ago
5

(25 POINTS) PLEASE HELP WILL GIVE BRAINLIEST, THANKS AND 5 STAR RATING!!! 5 QUESTIONS SHOW WORK!

Mathematics
1 answer:
marysya [2.9K]3 years ago
8 0

Answer:

Step-by-step explanation:

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Hazel wants to mix 12 pounds of her special blend coffee that will cost her $12.50 per pound. She uses Columbian and Sumatra cof
k0ka [10]
Let x be the amount of Columbian coffee in the mixture and y the amount of Sumatra coffee in the mixture, then
x + y = 1 . . . (1)
9.25x + 14.25y = 12.50 . . . (2)

(1) x 9.25 => 9.25x + 9.25y = 9.25 . . . (3)

(2) - (3) => 5y = 3.25 => y = 3.25/5 = 0.65

From (1), x + 0.65 = 1 => x = 1 - 0.65 = 0.35

1 pound of the mixture contains 0.35 Columbian coffee and 0.65 Sumatra coffee
Therefore, 12 pounds of the mixture will contain 0.35 x 12 = 4.2 pounds of Columbian coffee and 0.65 x 12 = 7.8 pounds of Sumatra coffee
3 0
2 years ago
I need help with b and c
mr_godi [17]
B. Just find the percentage to see if it is correct
\frac{24.5}{73}
It equals about .3356, but multiply it by 100 to get its percentage which is about 34%. So yes it is correct.

C.
\frac{reading}{watching \: tv}  \frac{3}{12}
Simplified would be a ratio of
\frac{1}{4}
So they would be incorrect


Tell me if it helps by thanking it!!
7 0
3 years ago
Help me!!!!!!! I will give brainliest for first one with correct answer.
dlinn [17]

Answer: The answer is

  1. Yes
  2. No
  3. No
  4. Yes
  5. Yes
  6. Yes

Step-by-step explanation:

I am pretty sure this is correct:)

8 0
3 years ago
When a figure is translated on a coordinate grid, what conclusion can you draw from the pre-image and image? (2 points) Group of
Nataly [62]

Answer:

B.the size of the figures change

Step-by-step explanation:

8 0
3 years ago
What is the slope of the line graphed below?
Ymorist [56]

Answer:

2/3

Step-by-step explanation:

rise over run

6 0
3 years ago
Read 2 more answers
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