If A= and B=, find BA

Mathematics

1 answer:

zimovet [89]3 years ago

6 0

Row and column remember
Answer is B

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Calculate total distance?

vladimir2022 [97]

Simply find the area under the velocity curve. Over the first 3 second interval, the area is that of a trapezoid with bases 2 and 5, so that area/distance traveled is $\left(\dfrac{2+5}2\dfrac{\rm m}{\rm s}\right)\cdot(3\,\mathrm s)=\dfrac{21}2\,\mathrm m$ . For the last 4 seconds, the area/distance is $\left(5\dfrac{\rm m}{\rm s}\right)(4\,\mathrm s)=20\,\mathrm m$ .

Then the total distance traveled is

$\dfrac{21}2\,\mathrm m+20\,\mathrm m=\dfrac{61}2\,\mathrm m=30.5\,\mathrm m$

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dybincka [34]

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3 years ago

At what rate was an investment made that obtains $125.37 on $597 over three years?

Serjik [45]

I use simple annual interest to solve the problem

<span>$125.37 -------------------------------- 3 years
X-------------------------------------------> 1 year
X=125.37/3=</span>$41.79/ year

<span>$597--------------------->100%
</span>$41.79---------------------X%

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4 years ago

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Svetllana [295]

$\text{Apply Pythagorean theorem,}\\ \\~~~~~~12^2 = 3^2 + h^2\\\\\implies h^2 = 12^2 -3^2\\\\\implies h^2 = 144-9\\\\\implies h^2 = 135\\\\\implies h = \sqrt{135}\\\\\implies h = 3\sqrt{15}\\\\\implies h \approx 11.62$

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grandymaker [24]

48,x and x all lie on a straight line sooo 180-48=2x
132=2x
132/2=x
66=x
X=66

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3 years ago