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N76 [4]
3 years ago
15

in researching her science project, Leigh learned that light travels at a constant rate and that it takes 500 seconds for light

to travel the 93 million miles from the sun to earth. mars is 142 million miles from the sun. about how many seconds will it take for light to travel from the sun to mars
Mathematics
1 answer:
Zielflug [23.3K]3 years ago
4 0

Answer: around 763 seconds

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Jordan flipped a coin 492 times. Which of the following would be a good estimate of the number of times the coin landed on heads
Irina-Kira [14]
I'd say B. but that's only because I divided the number of times he flipped the coin by the number of sides it has, 2, and came up with 246. The closest number on here to that is 231 or B. I hope I helped.
6 0
3 years ago
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Solve for x and y simultaneously:<br> X-2y=3<br> 4xsquared-5xy+6y=3
Mkey [24]
X - 2y = 3
<span>4x^2 - 5xy + 6y = 3
lets solve for x the first and substitute in the second:
x = 3 + 2y
4(</span>3 + 2y)^2 - 5(3 + 2y)y + 6y = 3
4(9 + 12y + 4y^2) - 15y - 10y^2 = 3
36 + 48y +16y^2<span> - 15y - </span><span>10y^2 = 3
6y^2 + 33y + 33 = 0
we can solve using the general quadratic formula:
y = (-33 +- </span>√(33^2 - 4*6*33)<span>)/12
</span>y = (-33 +- √(297)<span>)/12
</span>so there are 2 solutions for y:
y1 = (-33 + √(297)<span>)/12
</span>y2 = (-33 - √(297)<span>)/12
</span>pick one and then substitute the y value in the first equation to find x
4 0
4 years ago
Read 2 more answers
What is the measure of R?<br> A. 32<br> B. 40°<br> C. Cannot be determined<br> D. 64°
Genrish500 [490]

Answer:

A. 32  

Step-by-Step Explanation:

∠QRP = 32

if two sides of a triangle are congruent, then the angles opposite those sides are congruent.

∠QRP ∠QPR

Substitute ∠QPR 32° into ∠QRP : ∠QRP 32°

5 0
3 years ago
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n 2010, the estimated population of New York City was 8.18 × 106 people. The population of the entire state that same year was a
masha68 [24]
The answer is 1.94 times 10 to the seventh power
6 0
3 years ago
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Can I get some help? <br><br> Please show your work! <br><br> Thanks!
kirill [66]
Hey there,

Your question states: You have a 332 feet fencing to enclose a rectangular region. What is the maximum area.

Your correct answer would be 6,889.

Reason/explanation: 

The formula that we would use is P = 2l+2w

f(x)=ax^{2} +b*x+c

L=166=-W\\  L=83
_____________________________________________________________

So by this, now that we know that L=83

We do . . . 83 × 83. . . 

And you final answer would be Option A.) 6,889

Hope this helps you!

~Jurgen

6 0
3 years ago
Read 2 more answers
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