3 years ago

The answer to the problem.

1 answer:

7 0

The picture shows the answer I got!

Also! For the future, I use a site called math way and it is great for problems like these.

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Alice, Bertie and Cara like to spend time outdoors. One of them is an avid

sergij07 [2.7K]

Answer:

Cara.

Step-by-step explanation:

Cara went to an Island.

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3 years ago

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, -7) and passes through the poin

yarga [219]

$~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill$

$\begin{cases} h=3\\ k=-7 \end{cases}\implies y=a(x-3)^2-7\qquad \textit{we also know that} \begin{cases} x=1\\ y=-10 \end{cases} \\\\\\ -10=a(1-3)^2-7\implies -3=a(-2)^2\implies -3=4a\implies -\cfrac{3}{4}=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=-\cfrac{3}{4}(x-3)^2-7~\hfill$

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2 years ago

Solve for x using the<br> distributive property.<br> -2(-3+ x) = -4<br> X =<br> [?]

dlinn [17]

Answer:

x=5

Step-by-step explanation:

-2(-3+ x) = -4

Distribute

-2 * -3 + (-2) *x = -4

6 -2x = -4

Subtract 6 from each side

6 -2x-6 = -4-6

-2x = -10

Divide each side by -2

-2x/-2 = -10/-2

x = 5

3 0

3 years ago

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What is the first step in solving the equation: 3(x+2) = 12?

yanalaym [24]

Answer:

Divide by 3 on both sides.

Step-by-step explanation:

Original Expression: 3(x+2) = 12

Divide by 3 on both sides: x+2 = 4

Subtract 2 from both sides: x=2

Let me know if this helps!

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3 years ago

Ummm help please becuase i don't know the answer so plese help

Bezzdna [24]

It goes 2, 4, 10, 20 euros
(1,2)
(2,4)
(5,10)
(10,20)

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3 years ago

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