3 years ago

Help???!!! (number 19)!!

Mathematics

2 answers:

andrew11 [14]3 years ago

8 0

The scale factor from small to large is 2.5

vredina [299]3 years ago

4 0

The scale factor is 2.5

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What is the range of the function f(x)=-3x-5 with a domain of {-3,0,11}

Sloan [31]

Answer:

R = {4,-5,-38}

Step-by-step explanation:

We know that the domain is the x value, meaning that the range is the y value.

f(x) = -3x - 5 is also y = -3x - 5

ur To find y(range) we need to solve the equation. Since we already have our x-values of {-3,0,11} all we need to do is plug in the values for x and solve.

I think you know the process of how to for y if you plug in these domain numbers, but if you don't, here is how to do it.

y = -3(-3) - 5 y = -3(0) - 5 y = -3(11) - 5

y = 9 - 5 y = 0 - 5 y = -33 - 5

y = 4 y = -5 y = -38

Hope this helps!

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3 years ago

Which of the diagrams below represents the statement "If it is an triangle,

zvonat [6]

Answer:

I think it's A, because all triangles have 3 vertices.

Step-by-step explanation:

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3 years ago

2x^2+12x+1 write the equation in vertex form show work

Ostrovityanka [42]

Answer:

y = 2(x+3)^2 - 17

Step-by-step explanation:

y = 2x^2+12x+1

y = 2(x^2+6x) + 1

y = 2(x^2+6x+9) + 1 - 2(9)

y = 2(x+3)^2 - 17

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3 years ago

What is the sum of -3 +(-5)?

Rudiy27

Answer:

-8

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

The students in Naomi's class sold calendars for a fund-raiser this year and last year. This year, the selling price of each cal

jolli1 [7]

We'll use the variable x to represent last year's price. First, we have to set up an equation:
$.06x+x=13.25$
We get this equation because $13.25 is 6% MORE than last year's price, meaning we need to add the original price to the increase. Next, we combine like terms and solve for x:
$.06x+x=13.25 \\ 1.06x=13.25 \\ \frac{1.06x}{1.06} = \frac{13.25}{1.06} \\ x= 12.50$

Last year's price was $12.50.

Hope this helps!

3 0

4 years ago