4 years ago

Find all angles between 0 and 2π satisfying the condition sinx=−√2/2.

1 answer:

8 0

Sin = sqrt(2)/2 in intervals of 45 degrees (not counting the axis)

where y is negative, sin(-sqrt2/2) = 225 and 335 degrees

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A polygon has 10 sides. what is the sum of the measure of the exterior angles of the polygon?

Maslowich

Sum of all exterior angles = 360
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s = sides
360 divided by 10 = 36
C.360

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3 years ago

Five times a number decreased by eight is at most ten more than twice the number

Allisa [31]

$5n-8 \leq 2n+10 \\ 5n-8+8 \leq 2n+10+8 \\ 5n \leq 2n+18 \\ 5n-2n \leq 2n+18-2n \\ 3n \leq 18 \\ \frac{3n}{3} \leq \frac{18}{3} \\ n \leq 6$

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3 years ago

6x squared plus 2x minus 20 equals 0

andre [41]

Answer:

x=2 or 5/3

Step-by-step explanation:

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3 years ago

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The sum of 9and -16 increased by 4

LenaWriter [7]

Answer:

-3

Step-by-step explanation:

The statement is,

→ Sum of 9 and -16 increased by 4

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→ {9 +(-16)} + 4

→ (9 - 16) + 4

→ -7 + 4

→ [ -3 ]

Hence, the solution is -3.

7 0

2 years ago

How do you know that 8 over 10 and 48 over 60 are equivalent

beks73 [17]

8/10 and 48/60 are equivalent because you can see the 48/60 can divide by 8/10 is 6, you just have to see if the larger fraction can divide the smaller one.

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4 years ago

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