2 years ago

Compute the amount of interest earned in a deposit of $9,000 at 8.5% for 90 days. $

Mathematics

1 answer:

Marianna [84]2 years ago

3 0

Answer:

3x-x+2=4

Step-by-step explanation:A=9000(1.02125)^.25

A=9000*1.00527

A=9047.44

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3 years ago

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2. Quadrilateral ABCD was dilated with the origin as the center of dilation to create quadrilateral A'B'C'D. Which rule best rep

Virty [35]

Answer:

$(x,y) => (2.5x,2.5y)$

Step-by-step explanation:

Given

See attachment for ABCD and A'B'C'D'

Required

Determine the dilation rule

Using AB and A'B' as points of references;

$AB = (-1,2)\ to\ (2,1)$

$A'B' = (-2.5,5)\ to\ (5,2.5)$

The dilation factor (k) is calculated as:

$k = \frac{A'B'}{AB}$

This gives:

$k = \frac{(-2.5,5)}{(-1,2)} \ or\ k = \frac{(5,2.5)}{(2,1)}$

Factorize

$k = \frac{2.5*(-1,2)}{(-1,2)} \ or\ k = \frac{2.5*(2,1)}{(2,1)}$

$k = 2.5 \ or\ k = 2.5$

Hence, the scale factor is 2.5

The dilation rule is:

$(x,y) => k(x,y)$

$(x,y) => 2.5(x,y)$

$(x,y) => (2.5x,2.5y)$

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3 years ago

Find the distance between point (2, 7) and line y=1/3x-1/3.

oee [108]

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2 = 1/3 * 7 -1/3
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