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8090 [49]
3 years ago
5

Evaluate the expression for X=-2 3^x

Mathematics
1 answer:
Len [333]3 years ago
4 0

Answer:

1/9

Step-by-step explanation:

3^-2

1/3^2

1/9........

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zepelin [54]

Point A is located at  

✔ (–5, –6)

.

Point B is located at  

✔ (9, 9)

7 0
3 years ago
Read 2 more answers
Please help!!
polet [3.4K]

Answer:

The absolute value of the quadratic term,  \left | -\dfrac{1}{2}   \right | is less than 1

Step-by-step explanation:

The given function is y = (-1/2)·x² - 7

The parent function is y = x²

The vertical compression or stretching of a quadratic function is given by the value of the coefficient, <em>a</em>, of the quadratic term, x² of a quadratic function, a·x²

A quadratic function is vertically compressed if the coefficient, \left | a  \right | < 1.

In the given function, y = (-1/2)·x² - 7, the absolute value of the coefficient of the quadratic term, \left | -\dfrac{1}{2}   \right | < 1, therefore, the equation, y = (-1/2)·x² - 7, will be vertically compressed compared to the parent function, y = x².

6 0
3 years ago
A tax on which of these products or services would not be considered a "sin<br> tax"?
Mars2501 [29]

Answer:

WTH

Step-by-step explanation:

5 0
3 years ago
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E =<br> =<br> 5e + 3f = -36<br> -e + 2f = 2<br> f = 1
Ann [662]

Answer:

e = -6

f = -2

Step-by-step explanation:

I used the elimination method and multiplied the second equation by 5 to get:

  -5e + 10f = 10.  Added this to:

+  5e + 3f = -36

13f = -26

f = -2

now find e:  -e - 4 = 2

-e = 6

e = -6

6 0
3 years ago
Find the angle between the vectors u=i-9j and v=8i+5j
Katyanochek1 [597]

Answer: \cos^{-1} \left(\frac{-37}{\sqrt{7298}} \right) \approx 115.665^{\circ}

Step-by-step explanation:

u \cdot v=(1)(8)+(-9)(5)=-37\\\\|u|=\sqrt{1^{2}+(-9)^{2}}=\sqrt{82}\\\\|v|=\sqrt{8^{2}+5^{2}}=\sqrt{89}\\\\\cos \theta=\frac{-37}{\sqrt{82}\sqrt{89}}\\\\\theta=\cos^{-1} \left(\frac{-37}{\sqrt{82}\sqrt{89}} \right)\\\\\theta=\boxed{\cos^{-1} \left(\frac{-37}{\sqrt{7298}} \right) \approx 115.665^{\circ}}

7 0
2 years ago
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