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MakcuM [25]
2 years ago
11

Karen's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Karen $5.80 per pound, and type

B coffee costs $4.25 per pound. This month, Karen made 127 pounds of the blend, for a total cost of $657.55. How many pounds of type A coffee did she use?
Mathematics
1 answer:
Elina [12.6K]2 years ago
8 0

Answer:

76

Step-by-step explanation:

A + B = 127

5.80A + 4.25B = 657.55

Solve with substitution.

5.80A + 4.25(127 − A) = 657.55

5.80A + 539.75 − 4.25A = 657.55

1.55A = 117.80

A = 76

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statuscvo [17]

Answer:

x = 60

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Step-by-step explanation:

the sum of all three angles in a triangle = 180°

(3x - 100) + (x - 10) + (x - 10) = 180

simplify:

5x = 300

x = 60

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7 0
2 years ago
Find c, the hypotenuse, rounded to four decimal places, in a right triangle with b = 16 and B = 55
Fudgin [204]

Answer:

c=19.5324

Step-by-step explanation:

In given triangle ABC, we have been give values of angle B=55 degree, angle C is right angle and b=16.

Now using those values, we need to find the value of side b.

apply  formula of sin

\sin\left(B\right)=\frac{AC}{AB}

\sin\left(55\right)=\frac{16}{c}

0.819152=\frac{16}{c}

0.819152c=16

c=\frac{16}{0.819152}

c=19.5323944762

Hence final answer rounded to four decimal places is c=19.5324

4 0
3 years ago
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Artist 52 [7]

Answer:1014

Step-by-step explanation:

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

First, add all the numbers you see up. Your final answer of square feet will be the total you added up as a whole.

24+14+4+6+5+3+15+5= 76

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2 years ago
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Step-by-step explanation:

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