3 years ago

Find the vertex of y = 5 - 3x - x 2

Mathematics

1 answer:

enyata [817]3 years ago

8 0

I really don’t know sorry I’m doing it for the points

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What is the slope of the line

Nady [450]

Answer:

the slope is -2

Step-by-step explanation:

(1,0) (0,2)

$\frac{y2 - y1}{x2 - x1}$

[tex] \frac{2 - 0}{0 - 1} = - \frac{2}{ 1} = -2/tex]

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2 years ago

Dave has 12$ to spend on a 7 dollar book and two birthday cards (c) for his friends how much can he spend on each card if he buy

anzhelika [568]

Answer:

2.50

Step-by-step explanation:

So if you have a budget of 12 dollars, and the book is 7 dollars, subtract 12-7 and you get 5 dollars. And half of 5 dollars is 2.50. And if there is 2 cards, then that means that 1 card is 2.50

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3 years ago

Karins mom runs a dairy farm. Last year Betty the cow gave 375 gallons less than twice the amount from Bessie the cow. Together,

yawa3891 [41]

X = bessie and y = betty

x + y = 1464
y = 2x - 375

x + 2x - 375 = 1464
3x - 375 = 1464
3x = 1464 + 375
3x = 1839
x = 1839/3
x = 613 <== Bessie gave 613 gallons

y = 2x - 375
y = 2(613) - 375
y = 1226 - 375
y = 851 <== Betty gave 851 gallons

7 0

3 years ago

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Sprawdz, ktora liczba spelnia rownanie: -2x+7=-6x-5 . Ktora jest dobra odpowiedzia -3, 3 -2 czy 2 ? Prosze pomuszcie :'(

schepotkina [342]

Answer:

x= -3

Step-by-step explanation:

hello :

-2x+7=-6x-5

-2x+7+6x=-6x-5 +6x

4x+7=-5

4x+7-7=-5-7

4x= -12

x= -12/4

x= -3

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3 years ago

How many hours in 90 minutes

irakobra [83]

1.5 hours is in 90 minutes

6 0

3 years ago

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