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Arisa [49]
3 years ago
10

Twice the sum of a number and 3 is 20.

Mathematics
2 answers:
tamaranim1 [39]3 years ago
4 0

Answer:

true

Step-by-step explanation:

Nastasia [14]3 years ago
4 0
This is very true
Lol
Oof
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Evaluate the function f(x) = sec(x - pi/2) for x = 0.
Anvisha [2.4K]
\sec\left(0-\dfrac{\pi}{2}\right)=\sec\left(-\dfrac{\pi}{2}\right)=\dfrac{1}{\cos \left(-\dfrac{\pi}{2}\right)}=\dfrac{1}{0}

So, the function f(x) for x=0 is undefined.
5 0
3 years ago
Can u pls fix the grammer in this Choose the correct punctuation marks in the passage.
MissTica

Answer:

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anastassius [24]
Side A’B’ and D’C’ are related because they are both parallel which I think means that they would be the same length
7 0
3 years ago
Look at the photo pick A B C D either one explanation not needed thank you! <3
jonny [76]

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The answer is C::+3.5625

6 0
3 years ago
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Find the sum of the interior angle measure of a regular polygon with 20 sides
AleksAgata [21]

Answer:

3240°

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180(20-2)

180(18)=3240°

8 0
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