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jonny [76]
3 years ago
12

Michael graphs the equations y= -1/2+4 and y = x + 1 to solve the equation -1/2x+4= x+1. His graph is shown below. What are the

solution(s) of -1/2x+4= x+1?
A. –1 and 8
B. 1 and 4
C. 2
D. 3
Mathematics
1 answer:
arlik [135]3 years ago
5 0

Answer:

C.        x= 2

Step-by-step explanation:

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Answer:

The answer is C.

Step-by-step explanation:

You have to use Distributive Law, a(b+c) = ab + ac. So for this question :

5x(x - 4) \\  = 5x(x)  +  5x( - 4) \\  = 5 {x}^{2}  - 20x

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Find the required annual interest rate, to the
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1400=1100\left( 1+\frac{r}{12} \right)^{12\cdot 7}\implies \cfrac{1400}{1100}=\left( 1+\frac{r}{12} \right)^{84}\implies \cfrac{14}{11}=\left( 1+\frac{r}{12} \right)^{84} \\\\\\ \sqrt[84]{\cfrac{14}{11}}=1+\cfrac{r}{12}\implies \sqrt[84]{\cfrac{14}{11}}-1=\cfrac{r}{12}\implies 12\left[ \sqrt[84]{\cfrac{14}{11}}-1 \right]=r \\\\\\ 0.0345\approx r\stackrel{\textit{converting to \%}}{0.0345\cdot 100}\implies 3.45\approx r\implies \stackrel{\textit{rounded up}}{3.4\approx r}

8 0
3 years ago
Classify the shape as precisely as possible based on its markings. Question 18 options: A) Square B) Quadrilateral C) Parallelog
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Answer:

parallelogram

Step-by-step explanation:

technically its a quadrilateral too but seeing as it has 2 sets of parallel lines Im going with parallelogram.

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First, make it easy for yourself by putting like terms together
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then, combine like terms
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hope this helps!
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The two other transformations are the width of the parabola (vertical stretch or sink) and a reflection about the x-axis if the parabola becomes negative.
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