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zubka84 [21]
3 years ago
9

Sians room is in the shape of a square. It’s area is 121 square feet . How long is one side of sian’s room ?

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0
11. Square root of 121
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Which is an equation in point-slope form for the given point and slope?
Kisachek [45]

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Q2.

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Q3.

(5,\ 9)\to x_1=5,\ y_1=9\\m=2\\\\y-9=2(x-5)

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y=mx+b\\\\(0,\ 1)\to b=1\\\\y=mx+1

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Hypothesis Test by Hand
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3 years ago
At 5 p.M., the temperatures recorded at two weather stations in Antarctica are -6 degrees and 2 degrees. The temperature changes
RoseWind [281]

Answer:

- 8° per hour

Step-by-step explanation:

Given that:

Station A = - 6°

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Rate of temperature change = x° / hour ; which is the same at both stations

Temperature at station A 3 hours after the recording is the same as the temperature in station B 4 hours after the recording ;

Temperature change in Station A:

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Temperature change in station B:

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8 0
3 years ago
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Inessa05 [86]

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In order to find out the third side of the triangle we will just use the Pythagoras Theorem.

c^{2} =a^{2} + b^{2}

Since we know the hypotenuse and we know one of the legs, in order to find the second leg we just substitute the values and solve the equation and so we get...

c^{2} =a^{2} + b^{2}\\19^{2} = 15^{2} + b^{2}\\361 = 225 + b^{2} \\

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And so b ≈ 11.66190

8 0
3 years ago
Make d the subject of the formula h=<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7B3%7D" id="TexFormula1" title="\frac{d}{3}
lakkis [162]
First you would subtract 2 to get d/3 by itself. On the left side you would have h-2 and one the right d/3 (h-2=d/3). Then you divide by 3 to get d by itself. So the answer is h/3-2/3=d
4 0
3 years ago
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