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3 years ago

Please help me get the answer and understand it.

Mathematics

2 answers:

oee [108]3 years ago

3 0

Answer:

I believe d

Step-by-step explanation:

Tresset [83]3 years ago

3 0

Answer:

The angle should be 74 degrees and they are supplementary

Step-by-step explanation:

It is 74 degrees because the two angles must add up to 180, so you can simply subtract 106 from 180 to get 74. The angles are supplementary because they add up to 180 degrees, while complementary angles only add up to 90 degrees

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Solve on the interval [0,2pi): 2cscx+5=1

pantera1 [17]

$x\in[0,\ 2\pi)\\\\2\csc x+5=1\ \ \ \ |-5\\\\2\csc x=-4\ \ \ \ |:2\\\\\csc x=-2\\\\\dfrac{1}{\sin x}=-2\to\sin x=-\dfrac{1}{2}\to x=-\dfrac{\pi}{6}+2k\pi\ \vee\ x=\dfrac{7\pi}{6}+2k\pi\\\\x\in[0,\ 2\pi)\to x=-\dfrac{\pi}{6}+2\pi=\dfrac{11\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\\\\Answer:\ \boxed{D.\ \dfrac{7\pi}{6},\ \dfrac{11\pi}{6}}}$

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3 years ago

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Which mixed number is equal to 7.6

Natali [406]

A mixed number is a number that has a whole number, and a fraction, so the mixed number that is equal to 7.6 is 7 6/10, simplified it would be 7 3/5

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3 years ago

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Is (6, 2) a solution to this system of equations? x + 4y = 14 2x + 4y = 20

uranmaximum [27]

No it’s not because (6,2) would be a no solution so no

3 0

3 years ago

Suppose f(x) = 3x2 – 2x: Find f(-4). А B -40 ОО C 56<br>plz helpp

amid [387]

Answer:

f(-4) = 56

Step-by-step explanation:

f(x) = 3x² - 2x

To find f(-4), substitute -4 for all the values of x in f(x).

f(-4) = 3(-4)² - 2(-4)

Square -4.

f(-4) = 3(16) - 2(-4)

Multiply 3 and 16.

f(-4) = 48 - 2(-4)

Multiply -2 and -4.

48 + 8

Add.

You had the right idea! :)

7 0

3 years ago

Gre4nikov [31]

Answer:

$6.75

Step-by-step explanation:

15% of 45 = $6.75

5 0

3 years ago