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3 years ago

Does the color on an object affect the temperature of the object while in sunlight?

Mathematics

2 answers:

Elza [17]3 years ago

5 0

Answer:

yes

Step-by-step explanation:

the darker the color the hotter it will get. black is the hottest and white won't get hot as easily.

balu736 [363]3 years ago

3 0

Answer:

yes it does

Step-by-step explanation:

the darker the color the hoter it will get black is the hottest and white wont get hot as easily

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alina1380 [7]

Y=-3x-5 is the answer !!

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3 years ago

How much kinetic energy is possessed by a 12 kg remote controlled car that is traveling with a speed of 5 m/s?

Marianna [84]

Answer: 150 Kg $m^{2}$ / $s^{2}$

Step-by-step explanation:

K.E = $\frac{1}{2}$ m $v^{2}$

K.E = $\frac{1}{2}$ X 12 X 25

K.E = 150

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4 years ago

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Edward can run 1/2 mile in 300 seconds what is edwards unit rate

Vilka [71]

Rate/ speed = distance / time;
= 1/2mile / 300 seconds;
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4 years ago

A rectangle has an area of 19.38 cm2. When both the length and width of the rectangle are increased by 1.50 cm, the area of the

Lostsunrise [7]

Answer: $5.7\ cm$

Step-by-step explanation:

Given

Rectangle has an area of $19.38\ cm^2$

Suppose rectangle length and width are $l$ and $w$

If each side is increased by $1.50\ cm$

Area becomes $A_2=35.28\ cm^2$

We can write

$\Rightarrow lw=19.38\quad \ldots(i)\\\\\Rightarrow (l+1.5)(w+1.5)=35.28\\\Rightarrow lw+1.5(l+w)+1.5^2=35.28\\\text{use (i) for}\ lw\\\Rightarrow 19.38+1.5(l+w)=35.28-2.25\\\Rightarrow l+w=9.1\quad \ldots(ii)$

Substitute the value of width from (ii) in equation (i)

$\Rightarrow l(9.1-l)=19.38\\\Rightarrow l^2-9.1l+19.38=0\\\\\Rightarrow l=\dfrac{9.1\pm\sqrt{(-9.1)^2-4(1)(19.38)}}{2\times 1}\\\\\Rightarrow l=\dfrac{9.1\pm\sqrt{5.29}}{2}\\\\\Rightarrow l=\dfrac{9.1\pm2.3}{2}\\\\\Rightarrow l=3.4,\ 5.7$

Width corresponding to these lengths

$w=5.7,\ 3.4$

Therfore, we can write the length of the longer side is $5.7\ cm$

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3 years ago

Victor needs to calculate the number of miles per gallon his car averages. His car's gas tanks holds 15 gallons of gas. Write an

krek1111 [17]

Since you're looking for the unit rate, you can start do this:
$mpg= \frac{miles}{gallon}\\
y=\frac{x}{15}$
And yes, $15y=x$ is also correct, it's just switching around the 15

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3 years ago

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