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4 years ago

PLEASE BE 100% SURE the answer choices are attached

Mathematics

1 answer:

DerKrebs [107]4 years ago

4 0

B) should be your answer

The first one (the one given), is 6 "points" (forgot what it's called sorry) from 0 on all sides. To dilate it 1/3, divide 6 and 3

6/3 = 2

The one's that have points that land on points with 2 in it is B

so B is your best answer

hope this helps

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A Geometric series has a first term of 4 and a common ratio of 6. what formula is equivalent to the partial sum of the first n t

IRISSAK [1]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=4\\
r=6
\end{cases}
\\\\\\
S_n=4\left( \cfrac{1-6^n}{1-6} \right)\implies S_n=4\left( \cfrac{1-6^n}{-5} \right)$

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3 years ago

Pleaseee help me with number eight,, I don’t know how to do it at all

mamaluj [8]

Answer: Im not too good at math but I will try to help and I will say 70 is the answer...?

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7 0

3 years ago

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The price of a ring was decreased by 25% to £390. what was the price before the decrease?

sergiy2304 [10]

Answer:

The original price was 520

Step-by-step explanation:

To find this, we first need to note that we paid 75% of the price. This is because we took 25% off from the original. Now we take the price we paid and divide it by the percentage of it which we paid. This will give us the original price.

390/75% = Total

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3 years ago

Determine the slope of a line that passes through A(-4, 7) and B(6,3)

Helga [31]

Answer:

$m=\frac{-2}{5}$

Step-by-step explanation:

Use the formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

Plug in the numbers (coordinates) given, like so:

$m=\frac{3-7}{6+4}$

$m=\frac{-4}{10}$

Simplify:

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4 years ago

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madreJ [45]

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3 years ago