A movie theater has 200 of its 250 seats occupied . Write the fraction that shows the number of empty seats

Mathematics

1 answer:

guajiro [1.7K]3 years ago

6 0

1/5. Reduce your fraction of 200/250.

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Transform the parent function f(x) = x ^ 2 by vertical stretch of 3, a horizontal translation 2 units left and a vertical transl

IgorLugansk [536]

Answer:

f(x)= 3(x+2)+4

Step-by-step explanation:

f(x)=a(x-h)+k

a= stretches the function

h= horizontal units

k= vertical units

7 0

4 years ago

20 POINTS !!!!<br> The roots of the equation x^2+bx+c=0 are −4 and 2. Find b.

Irina18 [472]

first, love the killua profile picture ! i love hunterxhunter i am currently on season 5, episode 44 or 45 aka 119 or 120 but anyways,

answer:

b = 2

step-by-step explanation:

because its roots are -4 and 2,

and a = 1 [The coefficient of $x^2$ ] we know that $x^2 + bx + c = (x - (-4)) (x-2)=(x+4)(x-2) = 0.$

using the distributive property we get,

$x^2 + 2x - 8 = 0.$

by equating coefficients (common strategy for partial fractions and undetermined coefficient method of solving ODE), we get b = 2 and c = -8 ( solved c just for fun guess :) ) .

hope this helps :)

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5 0

3 years ago

Someone please help me on this I'm unsure if my answer is correct

mafiozo [28]

Answer:

A. length = 23 cm; width = 5 cm

Step-by-step explanation:

So if 4 times the width would be $4w$ and 3 more than would be $+ 3$ , the equation would be $l = 4w + 3$ . If the perimeter is 56, then the new equation, $2(4w + 3) + 2(w) = 56$ can be formed. This simplifies to $8w + 6 + 2w = 56$ , then to $10w + 6 = 56$ , then to $10w = 50$ , and finally, $w = 5$ . So the width is 5, and now plug it into the first equation.