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3 years ago

I need help it says to use 3.14 PI

Mathematics

1 answer:

aliya0001 [1]3 years ago

8 0

Answer:

Step-by-step explanation:

$\text{We have a rectangle of 100 by 50 and half a circle with a radius of 25.}\\ \\ A=100(50)+3.14(25^2)\\ \\ A\approx 6962.5\ m^2$

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4 years ago

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A band has been playing weekly at local venue. They have been making a fixed amount, plus they receive additional money for e

DerKrebs [107]

<h2><u>Ticket prices</u></h2>

According to the calculations made, the greater the number of tickets sold, the lower the variable amount to be paid for each ticket.

Since a band has been playing weekly at local venue, and they have been making a fixed amount, plus they receive additional money for every ticket sold, and last week they sold 40 tickets and were paid $ 200, while the week before that they sold 70 tickets and were paid $ 260, to determine the relationship between the number of tickets sold and the amount the band will be paid, the following calculation must be performed:

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3 years ago

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Hunter-Best [27]

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3 years ago

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3 years ago

Which Two Numbers Add Up To Negative 26 And Multiply To 11?

Fynjy0 [20]

Xy=11
x+y=-26

x+y=-26
minus x both sides
y=-26-x

sub for y
x(-26-x)=11
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x^2+26x+11=0

ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

a=1
b=26
c=11

x= $\frac{-26+/-\sqrt{26^{2}-4(1)(11)} }{2(1)}$
x= $\frac{-26+/-\sqrt{676-44} }{2}$
x= $\frac{-26+/-\sqrt{632} }{2}$
x= $\frac{-26+/-2\sqrt{158} }{2}$
x= $-13+/-\sqrt{158}$

x= $-13+\sqrt{158}$ or $-13-\sqrt{158}$

aprox

x=-0.420195 or -25.5698

those are the numbers

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4 years ago

I need help it says to use 3.14 PI ​

I need help it says to use 3.14 PI