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Vika [28.1K]
2 years ago
8

The instructions for a model airplane show a scale of 1 in:

Mathematics
1 answer:
aleksandrvk [35]2 years ago
5 0

Answer:

4 in

Step-by-step explanation:

given the scale is 1 in : 36 ft , then

length of drawing = 144 ft ÷ 36 = 4 in

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angle 0 is in quadrant 1 with sin0 = 2/5. Use the Pythagorean identity, sin^2 0 + cos^2 0 = 1, to calculate the value of cos0 as
Gwar [14]
We know that
sin²x+cos²x=1
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in this problem
<span>Angle 0 is in quadrant 1 -----> cos o and sin o are positive
</span>sin o=2/5
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the answer is
cos o=√21/5

7 0
2 years ago
Plsss help me, ASAP, Thank you
ankoles [38]

Answer:

\frac{1}{16}  \frac{10}{9}

Step-by-step explanation:

a reciprocal is a number that when multiplied by a given number gives 1 as  product.

16 * x = 1

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8 0
3 years ago
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Pani-rosa [81]

Answer:

The vertex of the function is at (2,3).

Step-by-step explanation:

I graphed the equation on the graph below.

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A printer cartridge with 3 4/5 milliliters of ink will print 2/5 of a box of paper. How many milliliters of ink will it take to
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4.2

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What is the first step in solving this system of equations?
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