2 years ago

1. Construct a square by using only a compass and straightedge. Explain your steps clearly.

1 answer:

7 0

This shows clear step by step to constructing a square.
https://mathbitsnotebook.com/Geometry/Constructions/CCconstructionSquare.html

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What is the 21st term of the sequence with a1 = -6 and d = 4?

Nutka1998 [239]

Answer:

answer is 74

Step-by-step explanation:

-6+4 x 20

- 6+80=74

8 0

2 years ago

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The time it takes you to go a certain distance varies inversely with the speed of travel. Suppose it takes you 4 hours to get to

fgiga [73]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf \textit{time it takes varies inversely with the speed rate}\qquad \stackrel{time}{t}=\cfrac{k}{\stackrel{rate}{r}}
\\\\\\
\textit{we also know that }
\begin{cases}
t=\stackrel{hrs}{4}\\
r=\stackrel{mph}{50}
\end{cases}\implies 4=\cfrac{k}{50}\implies 200=k
\\\\\\
\boxed{t=\cfrac{200}{r}}
\\\\\\
\textit{if your rate r = 40, what is your distance \underline{t}?}\qquad t=\cfrac{200}{40}$

3 0

2 years ago

A geometric sequence has a4=4 and a5=7. What is a1?

ella [17]

A is 0.025 from what i worked out, I hope it is correct :)

4 0

2 years ago

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Chandra bought a 2-liter bottle of

tatuchka [14]

Answer:B

Step-by-step explanation: