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natulia [17]
3 years ago
14

A rectangle has an area of 22.64 inches squared. If the coordinates of one of its sides are (0, 0) and (4, 4), what are the dime

nsions of the rectangle?
(Please only answer if you know how to solve it and maybe know an app, don't answer just because you want the points.)
Mathematics
1 answer:
wolverine [178]3 years ago
7 0

Answer:

width= 4

hieght- 5.65

Step-by-step explanation:

so first lets find the diestnce between 0,0 and 4,4

which is 4 root 2

which is approciamitlty 5.65 and this would be the hieght

the width would be 22.64/5.65= approxiamitly 4

 if you found my answer helpful please mark as brainliest.

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A piece of hot metal is cooling at a linear rate. Its Temp. After 4 minutes is 310 deg. Its Temp. After 7 minutes is 205 deg. Wh
rodikova [14]

Answer:

It'll take 12 minutes to be at 30 degrees.

Step-by-step explanation:

Since the metal is cooling at a linear rate then the rate of degrees per minute should be the through the cooling process. From 4 minutes to 7 minutes there was a span of 3 minutes and in that time the metal cooled 105 degrees. So the metal is cooling at a rate of

rate = 105/3 degrees/minute = 35 degrees/min

To reach 30 degrees from 205 it should cool down an additional 175 degrees so it'll take:

minutes = deegrees/rate = 175/(35) = 5 minutes

Since the metal had a temperature of 205 degrees in 7 minutes, then it'll take 12 minutes to be at 30 degrees.

7 0
3 years ago
PLEASE HELP IF YOU CAN!
Masteriza [31]
\bf \begin{array}{ccllll}
term&value\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
a_1&9.5\\
a_2&11.5\\
a_3&13.5\\
a_4&15.5\\
...&...
\end{array}\\\\
-----------------------------\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term}\\
d=\textit{common difference}
\end{cases}

notice, the first term is 9.5
from there it goes to 11.5, well, how much is it being added to get 11.5?
well 9.5 + 2, is 11.5, so it was added 2 to 9.5

then it goes from 11.5 to 13.5, namely, 11.5+2 = 13.5
and then 13.5+2 = 15.5 and so on

so, the "common difference" or the common addition value, is 2
how do you find the nth term?

well  \bf a_n=9.5+(n-1)2\iff a_n=9.5+2(n-1)
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Step-by-step explanation:

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<span>8-(-5)-4 (-7)
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