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Alexxx [7]
4 years ago
14

Someone please help me with this question? Thanks if you do!

Mathematics
1 answer:
TEA [102]4 years ago
8 0

∠CBA it's an inscribed angle.

An inscribed angle is an angle with its vertex "on" the circle, formed by two intersecting chords.

Inscribed Angle = 1/2 Intercepted Arc

Therefore

<h3>m∠CBA = 1/2(88°) = 44° → B.</h3>
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A bowl contains 80 M&amp;M candies if 15 of the candies are orange what fraction of the candies
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Which ordered pair is a solution of the equation?<br> - 4x + 7 = 2y - 3
nydimaria [60]

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Read 2 more answers
A retired woman has $280,000 to invest. She has chosen one relatively safe investment fund that has an annual yield of 9% and an
ASHA 777 [7]

Answer:

9% fund: $ 210,000

13% fund: $70,000

Step-by-step explanation:

As she wants to have a $28,000 annual return for her $280,000 investment, she is expecting a return rate of 10%:

r=\dfrac{R}{C}=\dfrac{28,000}{280,000}=0.10

If we call x the proportion of the capital in the 9% fund, then (1-x) is the proportion of the capital in the 13% fund,and the return of the combination has to be the expected return of 10%:

0.09x+0.13(1-x)=0.10\\\\0.09x+0.13-0.13x=0.10\\\\-0.04x=0.10-0.13=-0.03\\\\x=\dfrac{0.03}{0.04}=0.75

Then, we know that 75% of the capital should be invested in the 9% fund and 25% in the 13% fund.

This correspond to a capital of:

9% fund: 0.75*$280,000 = $ 210,000

13% fund: 0.25*$280,000 = $70,000

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4 years ago
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