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Dvinal [7]
3 years ago
10

Celine goes to the book fair where paperback books are $2 and hardback books are $4.50. Celine buys three

Mathematics
1 answer:
prohojiy [21]3 years ago
7 0

Answer:

7. 35-(2*3+5*4.5)

8. 6.5

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the vertex of this parabola is at (3,5). When the y-value is 6, the x-value is -1. What is the coefficient of the squared term i
otez555 [7]
Now, assuming is a vertical parabola, so the squared variable is the "x", let's do some checking.

\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex
\begin{cases}
h=3\\
k=5
\end{cases}\implies y=a(x-3)^2+5
\\\\\\
\textit{we also know that }
\begin{cases}
y=6\\
x=-1
\end{cases}\implies 6=a(-1-3)^2+5
\\\\\\
1=a(-4)^2\implies 1=16a\implies \cfrac{1}{16}=a
6 0
3 years ago
AYO CAN YOU BE MY BAKA (HELP ME WITH MATH)
nikitadnepr [17]

Answer:

Addition

Step-by-step explanation:

1) Add 275 to both sides.

800 + 275 = p

2) Simplify 800 + 275 to 1075.

1075 = p

3) Switch sides.

p = 1075

We need to add in order to solve the equation.

so therefor, the answer is option G.

5 0
2 years ago
Read 2 more answers
SOMEBODY PLEASE HELP ME!!!!!!! <br>Solve each system of equations<br> -3x + 3y =4 <br>-x + y =3​
g100num [7]
The 2 equations have no solution. If both are true, then

-3x + 3y = 4

-x + y = 4/3

Thus, 3 = 4/3, which is obviously wrong. Pls mark me as brainliest!
7 0
3 years ago
I need help pls 100 points if its right help FAST!!!!!
padilas [110]

8 home theaters are sold for each $ 500 spent on advertising

Advertising ($)     1,000 - $ 2,000 - $ 3,000

Home Theaters      16      -    32       -    48

16 home theaters are sold when the amount on advertising is $ 1,000

32 home theaters are sold when the amount on advertising is $ 2,000

48 home theaters are sold when the amount on advertising is $ 3,000

X would = The number of home theaters that are sold when the amout of advertising is $500

16/1,000 = x/500

1,000x = 500 *16

1,000x = 8,000

x = 8,000/1,000

X=8

6 0
2 years ago
Read 2 more answers
The top rail of a boat is 4 ft out of the water. If the water rises 3 ft, how far out of
olya-2409 [2.1K]

Answer:

the correct answer is 1ft

Step-by-step explanation:

4ft-3ft

=1ft

8 0
2 years ago
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