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3 years ago

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a hot dog stand sells two type of hot dogs: plain hot dogs and chili-cheese dogs. plain hot dogs code $3 and chili-cheese dogs c

ost $5. every hot dog (both kinds) comes with a wrapper. The hot dog salesman notices at the end of the dat he has made $145 and used 38 wrappers

1 answer:

Arte-miy333 [17]3 years ago

5 0

Answer:

i love hotdogs

Step-by-step explanation:

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2x2 – 9x + 2 = –1

Reika [66]

Answer:

C) The discriminant is greater than 0, so there are two real roots

Step-by-step explanation:

<u>Discriminant</u>

$b^2-4ac\quad\textsf{when}\:ax^2+bx+c=0$

$\textsf{when }\:b^2-4ac > 0 \implies \textsf{two real roots}$

$\textsf{when }\:b^2-4ac=0 \implies \textsf{one real root}$

$\textsf{when }\:b^2-4ac < 0 \implies \textsf{no real roots}$

$2x^2-9x+2=-1$

$\implies 2x^2-9x+3=0$

$\implies a=2, b=-9, c=3$

$\begin{aligned}b^2-4ac &=(-9)^2-4(2)(3)\\& =81-24\\&=57 > 0\implies \textsf{two real roots}\end{aligned}$

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2 years ago

PLEASE HELP SISTERRSSSSS!!!!!!! 18 points!!!!!!!!

sp2606 [1]

Answer:

A) 400 B) 182 C)45.5%

Step-by-step explanation:

A) Is your total sales which is 400(shown in bottom right corner)

B) You can see you pizza sales(this counts as anything with or without pizza) 182

C) You divided your pizza sales by your total sales - 182/400 = .455(Then multiply this by 100 to get the percent) (.455*100) = 45.5%

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3 years ago

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Huw is paid a weekly wage. Every week he: saves 1/5 of his wage,

elena55 [62]

Answer: The answer is seven.

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katovenus [111]

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2 years ago

Which equation is equivalent?<br> 4+20=-3x + 8x -11+5<br> 24 =-5x - 6<br> 24 =-5x-16

Anna [14]

Answer:

you should follow this step but this is a different one.just follow the step

Step-by-step explanation:

Simplifying 4(5x + -6) = 16 Reorder the terms: 4(-6 + 5x) = 16 (-6 * 4 + 5x * 4) = 16 (-24 + 20x) = 16 Solving -24 + 20x = 16 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24' to each side of the equation. -24 + 24 + 20x = 16 + 24 Combine like terms: -24 + 24 = 0 0 + 20x = 16 + 24 20x = 16 + 24 Combine like terms: 16 + 24 = 40 20x = 40 Divide each side by '20'. x = 2 Simplifying x = 2

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3 years ago