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Nitella [24]
3 years ago
7

I need help plsssssssssssss

Mathematics
2 answers:
N76 [4]3 years ago
4 0

Answer:

T3: 143

T4: -86

T5: 86

Natali [406]3 years ago
3 0

Answer:

This is just so you can give the other person brainliest

Step-by-step explanation:

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Which angle in this quadrilateral is an obtuse angle?
pashok25 [27]

Answer:

Angle L

Step-by-step explanation:

An obtuse angle has a measure between 90° and 180°.

Angles J and K are right angles, so their measures are equal and are 90°. Angle M has measure 64° and is acute.

Only angle L, which measures 116°, has a measure between 90° and 180° and is an obtuse angle.

Answer: Angle L

4 0
3 years ago
Cot^2 135-sin210+5cos^2 225
TiliK225 [7]
\cot135^o=\cot(90^o+45^o)=-\tg45^o=-1\\\\\sin210^o=\sin(180^o+30^o)=-\sin30^o=-\dfrac{1}{2}\\\\\cos225^o=\cos(180^o+45^o)=-\cos45^o=-\dfrac{\sqrt2}{2}

\cot^2135^o-\sin210^o+5\cos^2225^o=(-1)^2-\left(-\dfrac{1}{2}\right)+5\cdot\left(-\dfrac{\sqrt2}{2}\right)^2\\\\=1+\dfrac{1}{2}+5\cdot\dfrac{1}{2}=1\dfrac{1}{2}+2\dfrac{1}{2}=4

Answer: 4.
3 0
4 years ago
The sum<br>as three consicutive<br>multplies of 11 is<br>363<br>there eltiples.​
Dmitry [639]

Answer:

Three consecutive multiples are 110,121 and 132 which has the sum of 363. 33C = 363; C = 33, By substituting C = 33 in numbers 11C, 11(C – 1) and 11(C + 1) we get values 110, 121, 132.

3 0
3 years ago
Dont really know this. Anyone wanna help.​
lord [1]

Answer:

25 degrees

Step-by-step explanation:

angle CAD is a right angle, which is 90 degrees, and angle CAF is a straight line (180 degrees), which makes angle DAF a right angle. It is given that angle EAF is 65 degrees, therefore,

90 degrees - 65 degrees =  25 degrees

3 0
3 years ago
Which is true of a line?
slamgirl [31]

Answer:

A line is one-dimensional

Step-by-step explanation:

In its simplest form: a line describes one dimension, a plane describes two dimensions, and a cube describes three dimensions.

5 0
3 years ago
Read 2 more answers
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