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2 years ago

10

Which statement about the sides is true?

2 answers:

Vinvika [58]2 years ago

6 0

Step-by-step explanation:

i guess the answer is the last one

Nataliya [291]2 years ago

3 0

Answer:

the correct answer is the one

Step-by-step explanation:

I have got all correct answers

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2. I am thinking of a number. It is multiplied by 9. The product is 27. What is my number? (1 point)

Nitella [24]

Answer:

$x9 = 27 \\ x = 3$

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2 years ago

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madam [21]

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3 years ago

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Ray Of Light [21]

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2 years ago

What do all quadrilaterals have in common

Sophie [7]

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3 years ago

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The second term in a geometric sequence is 20. The fourth term in the same sequence is 45/4 or 11.25. What is the common ratio i

kati45 [8]

$\bf \begin{array}{ccll}
n&term&value\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
2&a_2&20\\
3&a_3&20r\\
4&a_4&20rr\\
&&20r^2\\\\
&&\frac{45}{4}
\end{array}\implies \stackrel{4^{th}~term}{20r^2=\cfrac{45}{4}}\implies r^2=\cfrac{45}{80}
\\\\\\
r^2=\stackrel{simplified}{\cfrac{9}{16}}\implies r=\sqrt{\cfrac{9}{16}}\implies r=\cfrac{\sqrt{9}}{\sqrt{16}}\implies r=\cfrac{3}{4}$

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3 years ago