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Lubov Fominskaja [6]
3 years ago
13

I need help with this pls! 15 points!

Mathematics
1 answer:
OLga [1]3 years ago
8 0

Answer:

d

Step-by-step explanation:

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Sin 3pi divided by 4
KATRIN_1 [288]
Sin 3pi/4 is angle 135 degrees or 45 degrees below 180 degrees. Hence it's opposite side is 1 and adjacent is 1, implying the hypothenus is sqrt(2). Hence

Sin 3pi/4 = 1/sqrt(2). Now multiply by sqrt(2)/sqrt(2) to get:

[1/sqrt(2).] * [sqrt(2)/sqrt(2)] = sqrt2)/2
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3 years ago
Does the ordered pair, (1, 5/2) satisfies the given equation<br> 3x-3y=-3 ?
vampirchik [111]

Answer:

Ordered pair, (1, 5/2) does not satisfy the given equation  3x-3y=-3

Step-by-step explanation:

3x-3y=-3

Here (x, y) = (1, \frac{5}{2} )

3(1)-3(\frac{5}{2} )=-3

3- (\frac{15}{2} )=-3\\6-15=-6\\-9\neq -6

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3 years ago
Name two pairs of congruent angles.
larisa [96]

ZOSP= PSQ and

ZPSQ E ZOSR

4 0
3 years ago
A quadrilateral has angles that measure 101°, 133°, and 76°.
Andrews [41]
The last angle is 50°
4 0
3 years ago
Qfind the product. Write the product in simplest form 1 2/3 x 4 2/5
Elan Coil [88]
1 2/3 = 5/3
4 2/5 = 22/5
5/3•22/5= 110/15
= 22/3
7 0
3 years ago
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