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3 years ago

13

I'm struggling please help!

1 answer:

elixir [45]3 years ago

8 0

Go on photo math and download it its really good for math

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The circumference of a circle with an area of 1,809.56 square centimeters

Virty [35]

$\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
------\\
A=1809.56
\end{cases}\implies 1809.56=\pi r^2
\\\\\\
\cfrac{1809.56}{\pi }=r^2\implies \boxed{\sqrt{\cfrac{1809.56}{\pi }}=r}\\\\
-------------------------------\\\\
\textit{circumference of a circle}\\\\
C=2\pi r\qquad \qquad \implies C=2\pi \left( \boxed{\sqrt{\cfrac{1809.56}{\pi }}} \right)$

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3 years ago

What type of function is represented?

tino4ka555 [31]

Answer:

b

Step-by-step explanation:

ITS B NOT C ITS B ITS B ITS B.

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3 years ago

Which is the equation of Line D?

lesya [120]

y=3x+3..................

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3 years ago

Jane bought 12 mangoes for $600 how many mangoes can she buy with $1000

Ghella [55]

Answer:

20 mangos

Step-by-step explanation:

1. Divide $600 by 12. Your answer should be $50. This means that every mango costs $50.

2. You now need to solve the expression: 1000 ÷ 50 which equals 20. This means that with $1000 Jane can buy 20 mangos.

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2 years ago

Rectangle QRST is dilated with the origin as the center of dilation to create rectangle Q'R'S'T'.

scoundrel [369]

Answer:

Rule: dilation about the origin by a scale factor of 2

Step-by-step explanation:

Given

See attachment for QRST and Q'R'S'T

Required

The dilation rule

First, we calculate the scale factor (k)

From the attachment, we have:

$QR = 4$

$Q'R' = 8$

k, is then calculated as:

$k = \frac{Q'R'}{QR}$

$k = \frac{8}{4}$

$k =2$

<em>Hence, QRST is dilated by a factor of 2</em>

3 0

3 years ago