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aleksley [76]
3 years ago
6

How do I evaluate log 1/32?

Mathematics
2 answers:
stira [4]3 years ago
4 0
On a graphing calculator, hit Math, Alpha, Math. Then input your logarithmic function. Hope this helped! Good luck :)
Mandarinka [93]3 years ago
4 0
Answer:

1/5

Explanation:

Use <span><span><span>logb</span>a</span>=<span><span><span>logc</span>a</span><span><span>logc</span>b</span></span></span>

Here,

<span><span>log<span>12</span></span><span>(<span>132</span>)</span></span>

<span>=<span><span>log<span>(<span>132</span>)</span></span><span>/log<span>(<span>12</span>)</span></span></span></span>

<span>=<span><span>−<span>log2</span></span><span>−<span>log32</span></span></span></span>

<span>=<span><span>log2</span><span><span> /log2</span>5</span></span></span>

<span>=<span><span>log 2</span><span>5 /<span>log2</span></span></span></span>

<span>=<span>1<span>/5</span></span></span>
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Name three collinear points.<br> D<br> В.<br> C С<br> N
dolphi86 [110]

Answer:

BD

AC

SN       (might not be one)

AB

Step-by-step explanation:

5 0
3 years ago
teri and her friends bought a party size sandwich that was 7/9 yard long. they ate 2/3 of a yard. what part of the yard was left
Marysya12 [62]
Teri had 7/9 of a sandwich, you need to find a common denominator for 2/3. Multiply 2/3 by 3 which is 6/9. (6/9 is how much they ate) Then you subtract 7/9 by 6/9 (7/9-6/9=1/9)
Answer:1/9 of a yard

I hope this helped.. not much of a teacher hahah :)
6 0
3 years ago
QUESTION 1
Kitty [74]

It's difficult to make out what the force and displacement vectors are supposed to be, so I'll generalize.

Let <em>θ</em> be the angle between the force vector <em>F</em> and the displacement vector <em>r</em>. The work <em>W</em> done by <em>F</em> in the direction of <em>r</em> is

<em>W</em> = <em>F</em> • <em>r</em> cos(<em>θ</em>)

The cosine of the angle between the vectors can be obtained from the dot product identity,

<em>a</em> • <em>b</em> = ||<em>a</em>|| ||<em>b</em>|| cos(<em>θ</em>)   ==>   cos(<em>θ</em>) = (<em>a</em> • <em>b</em>) / (||<em>a</em>|| ||<em>b</em>||)

so that

<em>W</em> = (<em>F</em> • <em>r</em>)² / (||<em>F</em>|| ||<em>r</em>||)

For instance, if <em>F</em> = 3<em>i</em> + <em>j</em> + <em>k</em> and <em>r</em> = 7<em>i</em> - 7<em>j</em> - <em>k</em> (which is my closest guess to the given vectors' components), then the work done by <em>F</em> along <em>r</em> is

<em>W</em> = ((3<em>i</em> + <em>j</em> + <em>k</em>) • (7<em>i</em> - 7<em>j</em> - <em>k</em>))² / (√(3² + 1² + 1²) √(7² + (-7)² + (-1)²))

==>   <em>W</em> ≈ 5.12 J

(assuming <em>F</em> and <em>r</em> are measured in Newtons (N) and meters (m), respectively).

3 0
3 years ago
Your height and weight are examples of which level of measurement? A. Ordinal B. Nominal C. Ratio D. Interval
Ivahew [28]

Answer:

C. Ratio

True for this case we have a clear definition of the 0 since the 0 for the heigth and the weigth represent absence of mass. And the differences between numerical values for the two variables are meaingful.

Step-by-step explanation:

We want to know which type of variable represent the weigth and the height. Let's analyze one by one the options given:

A. Ordinal

False since by definition an ordinal variable is "is a categorical variable for which the possible values are ordered". And for this case the height and the weigth are not categorical since represent quantitative data.

B. Nominal

False by definition and ordinal variable is which one that can't be represented by numeric values, and for this case the weight and the height are not example of this definition.

C. Ratio

True for this case we have a clear definition of the 0 since the 0 for the heigth and the weigth represent absence of mass. And the differences between numerical values for the two variables are meaingful.

D. Interval

False on this scale we don't have a clear definition of the 0. And for this case the heigth and the weight have a known definition of the 0 corresponding to the absence of mass. And since the ratios are meaingful for the heigth and the weigth then can't be an interval variable.

8 0
3 years ago
Can some please help me?! I would appreciate it a lot!!!
TEA [102]

hello don't worry it's easy its A

5 0
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