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raketka [301]
3 years ago
8

Someone please help me with this question ✨

Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0
A and D have a lower rate than 1/3.
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Solve for the variable: p - 4.2 = 2. Show your work
djverab [1.8K]

Answer:

p=6.2

Step-by-step explanation:

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Which of the following would be an acceptable first step in simplifying the expression sinx/1-sinx
Paha777 [63]
\bf \textit{difference of squares}
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(a-b)(a+b) = a^2-b^2\qquad \qquad 
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\bf \cfrac{sin(x)}{1-sin(x)}\implies \cfrac{sin(x)}{1-sin(x)}\cdot \cfrac{1+sin(x)}{1+sin(x)}\implies \stackrel{first~step}{\cfrac{sin(x)[1+sin(x)]}{[1-sin(x)][1+sin(x)]}}
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\cfrac{sin(x)[1+sin(x)]}{1^2-sin^2(x)}\implies \cfrac{sin(x)[1+sin(x)]}{cos^2(x)}
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tan(x)[sec(x)+tan(x)]
8 0
3 years ago
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No one is helping me please help!
geniusboy [140]
Watch anime and screw work
3 0
3 years ago
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What is the value of 3 in 305
goldfiish [28.3K]

Answer:

Hundred

Step-by-step explanation:

We are asked to find the value of 3 in 305

3- hundred

0- tens

5- units

Hence the value of 3 in 305 is hundred

7 0
3 years ago
Find the vertex of y = x2 + 14x − 40 by completing the square. A. (−7, 89) B. (−89, −7) C. (7, 89) D. (−7, −89)
irga5000 [103]

Alright, lets get started.

y = x^2 + 14 x - 40

For making complete square, we will add and subtract 49 in this

y = x^2 + 14 x - 40 + 49 - 49

y = x^2 + 14 x + 49 -40 - 49

y = (x+7)^2 - 40 - 49

y = (x+7)^2 - 89

Comparing the standard equation of parabola

y = a (x-h)^2 + k where (h,k) are vertex

So, comparing the equation with standard one, h, k would be = (-7 , -89)

So, the vertex are (-7 , -89) : Answer

Hope it will help :)

8 0
4 years ago
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