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Nady [450]
3 years ago
9

PLEASE HELP

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0
You can solve for sides of a triangle using the following equation. 

A = arccos (b^2 + c^2 - a^2/2bc)

And likewise for other variables by moving the letters. 

Ultimately, in this problem you get the following angle measures:

15.87
23.97
140.16
mezya [45]3 years ago
8 0

Answer:

1. A

2. D

3. A, E, F

4. C

Step-by-step explanation:

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3/4X - 9 = 27 what does x equal?
Oksana_A [137]

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Step-by-step explanation:

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How many more hundreds to make a thousand from 400?
Setler79 [48]

answer:

6 more hundreds

step-by-step explanation:

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If you can’t see the pic don’t bother answering. if you could please explain !!
il63 [147K]

Answer:

you can split the garden in: 1/2 circles x 4 (because you have 4 half-circles) + a square.

the square's area is 4 x 4 = 16; the circles is pi x R x R (pi = aprox 3.14, R of the cirlce is 4m / 2 = 2m, because the square's side is 4m and is the same size with circle diagonale: Diag of circle = 2 X Radius => Radius = Diag / 2)

than answer will be: 16 + 3.14 x 2 x 2 x 2 (the last 2 is, because you have 4 halves of circles, than you will have 2 full circles) = 45.12, than answer is H, because 41 is the nearest number to 45.12

6 0
3 years ago
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Which number line shows the solution of -6x + 18 < 30?
victus00 [196]

Answer:

number line a

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Help pls help me with this question please
elena-s [515]

The answer to this is A. I hope this helps

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