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Murljashka [212]
3 years ago
8

Simplify. Assume that no denominator is equal to zero. 4^12/4^5 A. 4^7 B. 4^-7 C. 4^5 D. 1^7

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

A

Step-by-step explanation:

\frac{a^{m}}{a^{n}}=a^{m-n}\\\\\frac{4^{12}}{4^{5}}=4^{12-5}\\\\       = 4^{7}

Burka [1]3 years ago
8 0

Answer:

A. 4^7

Step-by-step explanation:

4^12/4^5= 4^(12-5)=4^7

Option A

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Write the equation of a line that passes through the points (-4, -5) and (2, 13).
andrew11 [14]
(-4,-5)(2,13)
slope(m) = (y2 - y1) / (x2 - x1)
slope(m) = (13 - (-5) / (2 - (-4)
slope(m) = (13 + 5) / (2 + 4)
slope(m) = 18/6 = 3

y = mx + b
slope(m) = 3
(2,13)...x = 2 and y = 13
now we sub, we are looking for b, the y int
13 = 3(2) + b
13 = 6 + b
13 - 6 = b
7 = b

so ur equation is : y = 3x + 7

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3 years ago
A colony of 500 bacteria doubles in size every 200 hours. What will the population be 400 hours from now?​
mote1985 [20]

Answer:

1000

Step-by-step explanation

200+200=400

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6 0
3 years ago
I am thinking of a number. When I double my number and then subtract the result from five, I get negative one. What is my number
pogonyaev

Answer:

3

Step-by-step explanation:

To turn the word problem into an equation, when we read:

"I am thinking of a number" we write "x"

"when I double my number" we write "2x"

"and then subtract the result from 5" we write "5 - 2x"

"I get negative one" we write "-1 = 5 - 2x"

Now we solve for the number, which is x.

<em>Equation: </em>-1 = 5 - 2x

-1 = 5 - 2x

subtract 5 from both sides

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divide both sides by -2

3 = x

<h3>There we go! The number is </h3><h2>3</h2>

6 0
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Read 2 more answers
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earnstyle [38]

Answer:

= - 9x2+4x+2/4x-2

Step-by-step explanation:

Remove parentheses

its blank we need to find a number

step 1: = -/4x-2 (9x2+4x+2)

step 2: multiply fractions and there is your answer

9x2+4x+2/4x-2

6 0
2 years ago
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sattari [20]
We know that all three angles in a triangle must add to 180 degrees so we can use this fact to find the measure of the missing angles.  
180-57-101= 22 degrees
180-72-72=36 degrees
180-x-20=160-x degrees
7 0
3 years ago
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