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2 years ago

Only answer this if you have an explanation and if you know what the answer is.

Mathematics

1 answer:

Pavlova-9 [17]2 years ago

6 0

The answer is C. The explanation in the previous comment section is correct

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Find the length of arc ac in terms of pi

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=theta/360°×2pi ×r
theta=180-60=120°
r=24÷2=12

120/360 × 2 × 22/7 × 12=
1/3 × 2 × 22/7 × 12=
176/7=
25.14

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3 years ago

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Lisa [10]

Answer:

Step-by-step explanation:

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2 years ago

Please help need for a test, same thing as last question

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3 years ago

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Ann [662]

Answer:

Step-by-step explanation:

Given the addition problem:

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2 years ago

One canned juice drink is 20% orange juice, another is 5% orange juice, how many liters of each should be mixed together in orde

gavmur [86]

Answer:

11 L of 20% juice and 4 L of 5% juice

Step-by-step explanation:

Let

x L = amount of 20% juice

y L = amount of 5% juice

20% juice:

Amount = x L

Amount of juice $=0.2x$ L

5% juice:

Amount = y L

Amount of juice $=0.05y$ L

16% juice:

Amount = 15 L

Amount of juice $=0.16\cdot 15=2.4$ L

We mixed x L of 20% juice with y L of 5% juice to get 15 L of 16% juice, so

$x+y=15$

and

$0.2x+0.05y=2.4$

From the first equation:

$x=15-y$

Substitute it into the second equation:

$0.2(15-y)+0.05y=2.4\\ \\20(15-y)+5y=240\\ \\300-20y+5y=240\\ \\-20y+5y=240-300\\ \\-15y=-60\\ \\15y=60\\ \\y=4\ L\\ \\x=15-4=11\ L$

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3 years ago