Pls help, i am giving brainliest out :)

Mathematics

1 answer:

MAXImum [283]3 years ago

6 0

Answer:

The last option.

Step-by-step explanation:

8 dollars per T-shirt (8x) and you take away 185 dollars from initial amount bc u spent money for it. Total profit is thus 8x - 185

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valerie has 10 Video games. 7 of her video games are racing games. what is valerie's racing games written as a decimal?

svet-max [94.6K]

Answer:

7/10.

Step-by-step explanation:

If theres a total of 10 games and 7 out of the 10 are racing games, it means that 7/10 of the games are racing games.

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3 years ago

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A person places $4080 in an investment account earning an annual rate of 5.7%, compounded continuously. Using the formula

tangare [24]

We have been given that a person places $6340 in an investment account earning an annual rate of 8.4%, compounded continuously. We are asked to find amount of money in the account after 2 years.

We will use continuous compounding formula to solve our given problem as:

, where

A = Final amount after t years,

P = Principal initially invested,

e = base of a natural logarithm,

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3 years ago

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Write the standard equation for the hyperbola with the following conditions: vertices: (-2, -3) and (6, -3) foci: (-4, -3) and (

STALIN [3.7K]

Hello,

Vertices are on a line parallele at ox (y=-3)

The hyperbola is horizontal.

Equation is (x-h)²/a²- (y-k)²/b²=1

Center =middle of the vertices=((-2+6)/2,-3)=(2,-3)
(h+a,k) = (6,-3)
(h-a,k)=(-2,-3)
==>k=-3 and 2h=4 ==>h=2
==>a=6-h=6-2=4 (semi-transverse axis)

Foci: (h+c,k) ,(h-c,k)
h=2 ==>c=8-2=6

c²=a²+b²==>b²=36-4²=20

Equation is:
$\boxed{ \dfrac{(x-2)^2}{16} - \dfrac{(y+3)^2}{20} =1}

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