3 years ago

What is the length of AB

Mathematics

2 answers:

Elena-2011 [213]3 years ago

8 0

Answer:

D. 12

Step-by-step explanation:

<A = <C = 50. It's isosceles triangle

So AB = BC

Plug in

4x = 2x + 6

2x = 6

x = 3

AB = 4 (3) = 12

sladkih [1.3K]3 years ago

8 0

Answer:

The answer is D with 12.

Step-by-step explanation:

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alexdok [17]

Answer:

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Step-by-step explanation:

Recall that increasing an amount C in x% is equivalent to multiply it by (1+x/100)

As we have 4% APR, the monthly interest would be (4/12)% = 0.04/12

Month 0 (first payment)

$250

Month 1

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Month 2

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2)$

Month 3

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3)$

Month 24 (2 years)

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3+...+(\frac{12.04}{12})^{24})$

The sum

$1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3+...+(\frac{12.04}{12})^{24}$

is the sum of the first 24 terms of a geometric sequence with common ratio $\frac{12.04}{12}$ which is

$\frac{1-(12.04/12)^{25}}{1-(12.04/12)}=26.02603071$

so, after 2 years the saving balance is

250*26.02603071 = 6,506.50767= $6,506.51 rounded to the nearest cent.

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3 years ago

What is the measure of angle 3?

aleksandr82 [10.1K]

68 degrees the reasoning would be because of corresponding angles

I hope this helps!

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If you answer correctly then u get brainlesit plus 10pts! Asap please :)

Gennadij [26K]

Answer:

The y - intercept is (0,-4). So it's the second option.

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ipn [44]

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igor_vitrenko [27]

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