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Genrish500 [490]
3 years ago
8

Simplify 4-2y+(-8y)+6.2

Mathematics
1 answer:
Darina [25.2K]3 years ago
4 0
Hi there

4 - 2y - 8y + 6.2
4 - 10y + 6.2
-10y + 6.2 + 4
-10y + 10.2


Good luck :)

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Feliz [49]

Answer:

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PLEASE HELP!!
PSYCHO15rus [73]

<u><em>Answer:</em></u>

The bird is approximately 9 ft high up in the tree

<u><em>Explanation:</em></u>

The required diagram is shown in the attached image

Note that the tree, the cat and the ground form a right-angled triangle

<u>Therefore, we can apply special trigonometric functions</u>

<u>These functions are as follows:</u>

sin(\alpha)=\frac{opposite}{hypotenuse} \\ \\ cos(\alpha)=\frac{adjacent}{hypotenuse} \\ \\tan(\alpha)=\frac{opposite}{adjacent}

<u>Now, taking a look at our diagram, we can note the following:</u>

α = 25°

The opposite side is the required height (x)

The adjacent side is the distance between the cat and the tree = 20 ft

Therefore, we can use the <u>tan function</u>

<u>This is done as follows:</u>

tan(\alpha)=\frac{opposite}{adjacent}\\ \\ tan(25)=\frac{x}{20}\\ \\x=20tan(25) = 9. 32 ft which is 9 ft approximated to the nearest ft

Hope this helps :)

5 0
3 years ago
a highway is to be built between two towns, one of which lies 48.6 km south and 60.3 km west of the othe
Katena32 [7]

Answer:

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1 year ago
What is the quotation of -3/8 and -1/3
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1 year ago
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kobusy [5.1K]

Answer:

14

Step-by-step explanation:

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pick the largest factor from 70 and check it they also work with the other two. 14 is the GCF.

7 0
2 years ago
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