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Katena32 [7]
3 years ago
10

?Write the phrase as a rate in simplest form. ?260 inches in 15 seconds ?

Mathematics
1 answer:
melomori [17]3 years ago
6 0

Answer: 52:3


Step-by-step explanation:

260 divided by 5 = 52

15 divided by 5 = 3

260:15 = 52:3


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Find the slope of the line through each pair of points (-12,0) (20,0)
AlexFokin [52]

\frac{y2}{x2}  -  \frac{y1}{x1}
That is the formula to find the slope. Hope it will help you.
8 0
3 years ago
What is the solution to the system of equations graphed below? On a coordinate plane, 2 lines intersect at (2, negative 3). (2,
vlabodo [156]

Answer:

2, -3

Step-by-step explanation:

I think this is right.

Maybe just wait till someone else answers just to makae sure this is exactly the right answer.

8 0
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What is the y-value of the vertex of the function f(x)=-(x-3)(x+11)
lutik1710 [3]

so, this is a quadratic equation, meaning two solutions, and we have a factored form of it, meaning you can get the solutions by simply zeroing out the f(x).

\bf \stackrel{f(x)}{0}=-(x-3)(x+11)\implies 0=(x-3)(x+11)\implies x= \begin{cases} 3\\ -11 \end{cases} \\\\\\ \boxed{-11}\stackrel{\textit{\large 7 units}}{\rule[0.35em]{10em}{0.25pt}}-4\stackrel{\textit{\large 7 units}}{\rule[0.35em]{10em}{0.25pt}}\boxed{3}

so the zeros/solutions are at x = 3 and x = -11, now, bearing in mind the vertex will be half-way between those two, checking the number line, that midpoint will be at x = -4, so the vertex is right there, well, what's f(x) when x = -4?

\bf f(-4)=-(-4-3)(-4+11)\implies f(-4)=7(7)\implies f(-4)=49 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{vertex}{(-4~~,~~49)}~\hfill

7 0
3 years ago
Help me I have no idea how to do 18
sleet_krkn [62]

First, subtract px2 from both sides.

Now you have:

x3 - px2 = (1 - p) x1

Next, divide both sides by (1 - p)

So now you have

x3 - px2/(1 - p) = x1

...as your final answer


*You can decide if you want to leave the parenthesis in your final answer, I left them there so it could be visible where I put them. :)

5 0
3 years ago
I don't know I try my best I'm not good at this
AlladinOne [14]
You should definitely ask your parents or teacher. Also, never give up :)
Trust me just keep trying your best and don't tell yourself that you can't do it :)
8 0
3 years ago
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