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Whitepunk [10]
2 years ago
15

In quadrilateral ABDC, AB // CD. Which additional piece of information is needed to determine that ABDC is a parallelogram? over

line AB cong overline CD O overline AC cong overline BD OAB overline AB perp overline BD; overline CD perp overline BD

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
4 0

Answer:

AC is parallel to BD

Step-by-step explanation:

A parallelogram is a quadrilateral with two pairs of parallel sides.

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Sarah took out a $30,000 loan for 11 years at a 4.7% interest rate to put a new pool in her backyard. If
MissTica

The amount of the loan after 11 years is $34,113.53 and the intereest earned is $4,113.53

<h3>How to calculate the compound interest</h3>

The formula for calculating the exponential function is expressed as:

A =P(1+\frac{r}{n} )^t

Given the following

  • P = 30,000
  • r = 0.047
  • t = 11 years
  • n = 4

Substitute into the formula to have:

A=30000(1+\frac{0.047}{4} )^{11}\\A =30000(1.13711)\\A =\$34,113.53

Hence the amount of the loan after 11 years is $34,113.53

<h3>Find the interest earned</h3>

Interest = A - P

Interest = 34,113.53 - 30000

Interest = 4,113.53

Hence the intereest earned is $4,113.53

Learn more on compound interest here: brainly.com/question/24924853

7 0
2 years ago
Please help. Im dying for the explanation. I will mark you brainalist.
AlekseyPX

Step-by-step explanation:

Given that the mean of the numbers is 12

mean =  \frac{sum \:  \: of \: observations}{total \: number \: of \: observations}

so here

let's that one as x and another one as 2x since it is given that one is twice the other

Therefore we get

mean =  \frac{13 + x + 4 + 16 + 6 + 2x}{6}

Given mean = 12

12 =  \frac{39 + 3x}{6}

72 = 39 + 3x

3x = 33

x = 11

Hence it's 11 and 22

5 0
2 years ago
The square of a number is 12 less than 7 times the number
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Im pretty sure its -9.
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3 years ago
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