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Dmitrij [34]
3 years ago
10

Tran is solving the quadratic equation 2x2 – 4x – 3 = 0 by completing the square. His first four steps are shown in the table.

Mathematics
1 answer:
telo118 [61]3 years ago
8 0
The answer is Step 3.
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\bf sin\left(\cfrac{{{ \theta}}}{2}\right)=\pm \sqrt{\cfrac{1-cos({{ \theta}})}{2}}\\\\&#10;-------------------------------\\\\&#10;\cfrac{7\pi }{8}\cdot 2\implies \cfrac{7\pi }{4}\qquad \qquad sin\left(\frac{7\pi }{8}  \right)\implies sin\left(\cfrac{\frac{7\pi }{4}}{2}  \right)&#10;\\\\\\&#10;sin\left(\cfrac{\frac{7\pi }{4}}{2}  \right)=\pm\sqrt{\cfrac{1-cos\left(\frac{7\pi }{4}  \right)}{2}}\implies &#10;sin\left(\cfrac{\frac{7\pi }{4}}{2}  \right)=\pm\sqrt{\cfrac{1-\frac{\sqrt{2}}{2}}{2}}

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3 years ago
A bakery can make 230 bagels in 2 hours. How many bagels can they bake in 16 hours ? What’s the rate per hour ?
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25. answer this question by using the graph and information​
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<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

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It would be B. 2.5 weeks

<h3><u>✽</u></h3>

➶ Hope This Helps You!

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8 0
4 years ago
What is 3.611 in expanded form
vivado [14]

Answer:

Expanded Notation Form:

3  

+   0.6

+   0.01

+   0.001

Expanded Factors Form:

 3 × 1  

+ 6 ×   0.1

+ 1 ×   0.01

+ 1 ×   0.001

Expanded Exponential Form:

3 × 100

+ 6 × 10-1

+ 1 × 10-2

+ 1 × 10-3

Word Form:

three and six hundred eleven thousandths

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3 years ago
729,314 rounded to the hundred-thousands is
kogti [31]
700,000, you round up because 29,314 is below 50k.
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3 years ago
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