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3 years ago

I NEED HELP ASAP PICK ALL

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

5 0

Answer: I'm serious, where is your question? no question posted here sir.

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a person invest in 9000 in a bank. the bank pays 5% interest compounded semi annually. to the nearest tenth of a year, how long

QveST [7]

Answer:

10.1 years.

Step-by-step explanation:

It is given that,

Principal = 9000

Rate of interest = 5%

No. of times interest compounded = 2 times in an year

Amount after certain time = 14800

The formula for amount:

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

where, P is principal, r is rate of interest, n is no. of times interest compounded in an year and t is time in years.

Substitute the given values in the above formula.

$14800=9000(1+\frac{0.05}{2})^{2t}$

$\frac{14800}{9000}=(1+0.025)^{2t}$

$1.644=(1.025)^{2t}$

Taking log both sides.

$\log(1.644)=\log(1.025)^{2t}$

$\log(1.644)=2t\log(1.025)$ $[\because \log a^b=b\log a]$

$\frac{\log(1.644)}{2\log(1.025)}=t$

$t=10.066$

$t=10.1$

Therefore, the required time is 10.1 years.

3 0

3 years ago

PLEASE HELP ASAP!! A triangle has vertices X(2,1), Y(5,4), and Z(5,1). What is the area of the triangle?

Aliun [14]

Answer Is Option a)4.5 sq.units

Given vertices are X(2,1),Y(5,4) and Z(5,1)

Answer is given above in the image

If you have any doubts see the image or ask in comments box .

 HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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3 years ago

What is 1+1? I am very confused, is it 1, 0, or 3?

Yuri [45]

Answer:

1 + 1 = 2, if you are doing multiplication then it is 1 x 1 = 1

Step-by-step explanation:

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3 years ago

What is the equation for a circle with the center, (0,0) and a radius of 4?

Leno4ka [110]

Answer:

(X-x0)^2 +(y-y0)^2= r^2

R=4

R^2=16

(X-0)^2+(y-0)^2=16

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3 years ago

The coordinate plane shows the floor plan for a swimming pool. What is the area of the pool’s border? A. 50 square meters B. 65

irakobra [83]

Answer: Choice B

Step-by-step explanation:

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4 years ago