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Lorico [155]
2 years ago
13

Quadrilateral ABCD has vertices A(-2,0) B(-3,-3) C(-5,-2) D(-5,2). Which of the following are the coordinates of A' after a dila

tion centered at the origin with a scale factor of 2 1/2?
Mathematics
1 answer:
Naya [18.7K]2 years ago
7 0

Answer:

A' = (-5, 0)

"A" MAY NOT BE THE ANSWER CHOICE "A" IS THE NAME OF THE POINT

Step-by-step explanation:

If A = (-2,0)

Then multiplying each coordinate by 2.5 (-2*2.5, 0*2.5)

Gets us (-5, 0)

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Jenna saves $2,500 per year in an account that earns 10% interest per year, compounded annually. Jenna will have saved in 30 yea
Vsevolod [243]

~~~~~~~~~~~~\textit{Future Value of an ordinary annuity}\\ ~~~~~~~~~~~~(\textit{payments at the end of the period}) \\\\ A=pymnt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]

\begin{cases} A= \begin{array}{llll} \textit{accumulated amount}\\ \end{array}\\ pymnt=\textit{periodic payments}\dotfill &2500\\ r=rate\to 10\%\to \frac{10}{100}\dotfill &0.1\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &30 \end{cases}

A=2500\left[ \cfrac{\left( 1+\frac{0.1}{1} \right)^{1\cdot 30}-1}{\frac{0.1}{1}} \right]\implies A=2500\left[ \cfrac{(1.01)^{30}-1}{0.1} \right] \\\\[-0.35em] ~\dotfill\\\\ ~\hfill A\approx 411235.06~\hfill

4 0
2 years ago
Which expression is equivalent to 7- 3x +2?​
Colt1911 [192]

Answer: 9-3x

Step-by-step explanation:

You add like terms

don't look at the 3x for now

positive 7 + positive 2 = 9

there is a negative sign next to 3x

9 goes first so

9 - 3x

8 0
3 years ago
The area of a triangle is 25 sq cm and the base of the triangle is 5 cm. Which equation could be used to find the height of the
gladu [14]
I hope this helps you





Area=base×height/2



25=5×height/2



5×2=height


height=10
6 0
3 years ago
How do I simplify 9v+9(1+7v) and can you show me the work
KonstantinChe [14]

Answer:72v+9

Step-by-step explanation:

Apply the distributive property.

9 v + 9 ⋅ 1 + 9 ( 7 v )

Multiply  

9  by  1 . 9 v + 9 + 9 ( 7 v )

Multiply  

7  by  9 . 9 v + 9 + 63 v

Add  

9 v  and  63 v . 72 v + 9

I hope this helps you.

7 0
3 years ago
First pirson to type 1 i will see if i can give brainlist but idk how bot i will try
amm1812

Answer:

1

Step-by-step explanation:

you asked to type 1

3 0
3 years ago
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