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quester [9]
3 years ago
7

Which of the following simplifies to a negative number?

Mathematics
2 answers:
cestrela7 [59]3 years ago
5 0

Answer:

Option A is correct.

-4^{-4}

Step-by-step explanation:

Using exponent rule:

(a^{-n})^m =(\frac{1}{a^n})^m = \frac{1}{a^{nm}}

Option A:

-4^{-4}

-(4^{-1})^4 = -(\frac{1}{4})^4 = -\frac{1}{4^4} = -\frac{1}{256}

Option B:

(-4)^{-4}

(-4)^{-4} = ((-4)^{-1})^{4} = (\frac{1}{-4})^4 = \frac{1}{(-4)^4} = \frac{1}{256}

Option C :

4^{-4}

4^{-4} = (4^{-1})^4 = (\frac{1}{4})^4 = \frac{1}{4^4} = \frac{1}{256}

Option D:

(\frac{1}{4})^{-4}

(\frac{1}{4})^{-4} = (4^{-1})^{-4}=4^{4} = 256

Therefore, the following simplifies to a negative number is, -4^{-4}

skelet666 [1.2K]3 years ago
3 0
This is the correct answer people I just took the lesson. -4^-4
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How do I solve this and what kind of formula is it?
soldier1979 [14.2K]

Answer:

160

Step-by-step explanation:

The measure of an arc is always twice the degree of the corresponding angle inside the circle. For example, the measure of arc DC is just double the measure of angle DOC; angle DOC is 44 degrees, so arc DC must be 88 degrees.

Angle COB is 80 degrees, so arc CB is 160 degrees.

5 0
3 years ago
Explain how you found your answer
bogdanovich [222]

Answer:

29°

Step-by-step explanation:

151° + a=180°

We know the sum of angles in a straight line is 180°

a= 180°-151°

The sign changed as it changed sides

a= 29°

5 0
2 years ago
The image of a point after a –90° rotation about the origin is (–4, 7). What are the coordinates of the preimage?.
ahrayia [7]
The coordinated of the preimage would be :

x  = x cos θ + y sin θ

y = x sin θ + y cos θ

where 

x = -4  
y = 7
θ = -90

hope this helps
4 0
3 years ago
Line t has slope 3/4 and passes through (0.0). Follow these steps: Step 1:
Jlenok [28]

Answer:

6

Step-by-step explanation:

completing step 2 will land you at (8,0). you would just need to count up from there until you reach the line.

5 0
2 years ago
100 POINTS FOR ANYONE WHO CAN ANSWER THESE! <3
faust18 [17]

Answer:

∠1 = 142°

<u>reason:</u> angles 1 and 2 are supplementary so they equal 180. 180-38 is 142

∠3 = 38°

<u>reason:</u> angles 2 and 3 are adjacent angles because they are diagonal from each other so they will equal the same measure.

∠4 = 142°

<u>reason:</u> since angle 4 is adjacent to angle 1 and is supplementary to angle 3, it has to be 142

∠5 = 38°

<u>reason:</u> since it is a transversal that means both of the intersections are the same measurements. so angle 5 is 38 since it matches up with angle 2

∠6 = 142°

<u>reason:</u> for the same reason as angle 5. angle 6 matches up with angle 1 so it has to equal 142.

∠8 = 142°

<u>reason:</u> since angle 8 is adjacent to angle 6 it has to equal 142. angle 8 is also a transverse angle to angle 4. and since angle 4 also equals 142, 8 has to also

Step-by-step explanation:

hope this helped you :)

8 0
2 years ago
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