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nekit [7.7K]
3 years ago
9

Solve the equation plz and thx

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0
11=-d+15

subtract 15 from each  side with a result of -4=-d
the negatives cancel eachother out with the answer being A. 4
kodGreya [7K]3 years ago
5 0
It is A bro 4 eso a huevo
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3 years ago
A coffee mixture has beans that sell for 0.20 a pound and beans that sell for 0.68. If 120 pounds of beans create a mixture wort
Andrew [12]
X=pounds of coffee bean  ($0.20 per pound)
y=pounds of coffee bean ($0.68 per pound )

We can suggest this system of equations:
x+y=120
(0.20x+0.68 y) / (x+y)=0.54 ⇒  (0.2x+0.68y)=0.54(x+y)

We can solve this system by substitution method.
x+y=120      ⇒  y=120-x

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y=120-x=120-35=85

Answer: the coffee mixture has 35 pounds of coffee beans sold to $0.2 a pound, and 85 pounds of coffee beans sold to $0.68 a pound, the solutions is reasonable because the price of a coffee mixture ($0.54 a pound) is greater  than $0.2 and smaller than $0.68.
             


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3 years ago
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HELP PLEASE<br> Find 33/4 x 21/3. All answers must be in lowest terms
eimsori [14]

\frac{231}{4} ✅

<u>Step</u>-<u>by</u>-<u>step</u> <u>explanation</u>:

\frac{33}{4}  \times  \frac{21}{3} \\  =   \frac{11 \times 21}{4}  \\  =  \frac{231}{4}

<u>Note</u>:-

  • A fraction is said to be written in its lowest form if its numerator and denominator are prime, that is, they have no common factors other than 1.

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{!}}}}}

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