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makvit [3.9K]
3 years ago
8

Which of the following represents A U B?

Mathematics
1 answer:
algol [13]3 years ago
7 0

Answer:

Step-by-step explanation:

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Evaluate the expression for x =5 and y= 1 (x-7y)²<br><br> pretty confused
sveticcg [70]

Answer:

-4

Step-by-step explanation:

So since x=5 and y= 1 the new expression would be 1(5-7) to the second power. Using pemdas, 5-7 is -2. -2 to the second power is -4. negative 4 times 1 is negative 4.

5 0
3 years ago
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(6,-1) (0,3) write an equation
lesya692 [45]
First you need to find the slope
Y2-y1/x2-x1
3-6/0-(-1)
-3/1
Slope is -1 , use a point to find b
3=-1(0)+b
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The equation is
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5 0
3 years ago
2/7 × - 3/7 = 0 what is the solution for this equation ?​
Taya2010 [7]

Answer:

Refer to explanation^

Step-by-step explanation:

As stated in the solution, 3/7 is a negative fraction.

To make it less confusing,

2/7 x (-3/7)

Multiply the numerator with the other numerator and the denominator multiply with the other. Like...

2 multiply 3 = 6 (numerator)

7 multiply 7 = 49 (denominator)

Since the 2nd fraction is a negative, the answer is negative too.

If you convert the fraction to a decimal, it gives -0.1224489796

5 0
3 years ago
Prove the following identities.<br> cos(3pi/s+x)=sinx
kari74 [83]

\cos \left(\frac{3\pi}{2}-x \right)=\sin x \\ \\ =\cos \left(\frac{3\pi}{2} \right)\cos x -\sin \left(\frac{3\pi}{2} \right) \sin x \\ \\ =0\cos x -(-1)(\sin x) \\ \\ =\sin x

3 0
2 years ago
For the function g(x) = 3x -21, what is g(6)
marishachu [46]

Answer:

3·6 - 21

Step-by-step explanation:

just replace x with 6

3 0
3 years ago
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