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gayaneshka [121]
3 years ago
11

PLS HELP I don’t understand

Mathematics
1 answer:
Radda [10]3 years ago
8 0

Answer:

180

Step-by-step explanation:

the 2nd one is 90 and third is DE

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HELP ASAP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Elena L [17]

Answer:

+.5

Step-by-step explanation:

3 0
3 years ago
A person invest $10,000 into a bank the bank pays 4.75% interest compounded semi annually. To the nearest 10th of a year, how lo
Mama L [17]

Answer:

T is 13.9 years to the nearest 10th of a year

Step-by-step explanation:

In this question, we are to calculate the number of years at which someone who invests a particular amount will have a particular amount based on compound interest.

To calculate the number of years, what we do is to use the compound interest formula.

Mathematically,

A = P(1+ r/n) ^nt

Where A is the final amount after compounding all interests which is $19,200 according to the question

P is the initial amount invested which is $10,000 according to the question

r is the rate which is 4.75% according to the question = 4.75/100 = 0.0475

n is the number of times per year in which interest is compounded. This is 2 as interest is compounded semi-annually

t= ?

we plug these values;

19200 = 10,000(1+0.0475/2)^2t

divide through by 10,000

1.92 = (1+0.02375)^2t

1.92 = (1.02375)^2t

We find the log of both sides

log 1.92 = log [(1.02375)^2t)

log 1.92 = 2tlog 1.02375

2t = log 1.92/log 1.02375

2t = 27.79

t = 27.79/2

t = 13.89 years

The question asks to give answer to the nearest tenth of a year and thus t = 13.9 years

7 0
3 years ago
Solve the equation √x-6 +2=6
Dovator [93]

Answer:

x = 22

Step-by-step explanation:

\sqrt{x-6} + 2 = 6 ( subtract 2 from both sides )

\sqrt{x-6} = 4 ( square both sides to clear the radical )

x - 6 = 4² = 16 ( add 6 to both sides )

x = 22

8 0
2 years ago
What is the expected value for the binomial
Pavlova-9 [17]

Answer:

2

Step-by-step explanation:

0(162/3125)+1(162/625)+2(216/625)+3(144/625)+4(48/625)+5(32/3125)

= 2

3 0
3 years ago
Read 2 more answers
Need help ASAP please and thank you
slamgirl [31]

Answer:

X=4

Step-by-step explanation:

The angle CA equals 4. The angle AB are equal to the angle CA therfore, the outcome of x=4.

3 0
3 years ago
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