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8090 [49]
3 years ago
8

Find the measure of arc DB.

Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

ñ!

.30261 {23680x}^{?}

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Taylor has $97.23 in her checking account.She uses her debit card to spend $29.74 and then deposits $118.08 into her account.Wha
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$97.23 - $29.74 = $67.49
$67.49 + $118.08 = $185.57

Taylor's new balance is $185.57.
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3 years ago
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The graph of F(x) can be flipped over a certain line to produce the graph of its inverse. What is the equation of that line?
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y=x
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a group of astronauts launched a model rocket from a platform. Its flight path is modeled by h= -4t^2+24t+13 where h is the heig
Eddi Din [679]

Answer:

6.5 seconds

Step-by-step explanation:

Keep in mind that when h=0, this is the same height for both when the model rocket takes off and lands, so when the rocket lands, time is positive. Thus:

h=-4t^2+24t+13\\\\0=-4t^2+24t+13\\\\t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\ \\t=\frac{-24\pm\sqrt{24^2-4(-4)(13)}}{2(-4)}\\ \\t=\frac{-24\pm\sqrt{576+208}}{-8}\\\\t=\frac{-24\pm\sqrt{576+208}}{-8}\\\\t=\frac{-24\pm\sqrt{784}}{-8}\\\\t=\frac{-24\pm28}{-8}\\\\t=\frac{-24-28}{-8}\\ \\t=\frac{-52}{-8}\\ \\t=\frac{52}{8}\\\\t=6.5

So, the amount of seconds that the model rocket stayed above the ground since it left the platform is 6.5 seconds

5 0
2 years ago
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If d= the number of dogs, which variable expression represents the phase below the sum of the number of dogs and the 6 cats
TEA [102]

although none of these are right, C would make the most sense

6 0
3 years ago
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I’m having a crisis so please help 7x-19<16
vampirchik [111]

Answer:

5 i believe correct me if im wrong

Step-by-step explanation:

To work this problem out you would do it as if it were just a simple equation

7x-19<16 (you would first have to add 19 to both sides)

7x<35 (then you would divide by 7 to get the variable by itself)

x<5 ( you answer would then be 5)

7 0
3 years ago
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