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kogti [31]
3 years ago
6

I need help this is hard for me

Mathematics
1 answer:
dangina [55]3 years ago
3 0

Answer: Its D

Step-by-step explanation:

<h3>The reason I know the answer that its D is because the others are not true because when you go to a red light its not red   yellow than green </h3>
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4^(4x-1)=32 <br><br> How do I solve this problem? Do I do 4 to the fourth power first?
yKpoI14uk [10]

Answer:

\large\boxed{x=\dfrac{7}{8}}

Step-by-step explanation:

4^{(4x-1)}=32\\\\(2^2)^{4x-1}=2^5\qquad\text{use}\ (a^n)^m=a^{nm}\\\\2^{2(4x-1)}=2^5\iff2(4x-1)=5\ \ \text{use the distributive property}\ a(b+c)=ab+ac\\\\(2)(4x)+(2)(-1)=5\\\\8x-2=5\qquad\text{add 2 to both sides}\\\\8x=7\qquad\text{divide both sides by 8}\\\\x=\dfrac{7}{8}

7 0
3 years ago
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On a typical day flights at a local airport arrive at a rate 10 every 15 minutes at this rate how many would you expect to arriv
harina [27]
How many times do 15 minutes fit into one hour? 4 times: 4*15=60 mins.

So that means that 4 times per hour 10 flights appear, and in total 4*10=40 planes arrive over one hour!
5 0
3 years ago
Find the solutions to 9x^2-54x=0
astra-53 [7]

Answer:

x₁ = 0

x₂ = 6

Step-by-step explanation:

9x² - 54x = 0

9x(x - 6) = 0

x(x - 6) = 0

x = 0

x - 6 = 0 → x = 6

Hope this helps! :)

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What description represents the expression 3x+4
spayn [35]

Answer:

The sum of three times a number and 4

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3 years ago
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