3 years ago

IU

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

6 0

Answer:

737392vdvdgv56287477474

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Phoenix [80]

They both have the same amount of CDs
bc 6 country Cds plus another 6 country CDs is 12 Cds. 5 rock Cds plus 5 rock CDs is 10 rock CDs. so in total they have 22 CDs

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List the steps to solve the equation x^2 + 12x + 28= 0 by completing the square, and give the solution or solutions.

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Step-by-step explanation: Hope this help :D

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The population of a town with a 20162016 population of 87 comma 00087,000 grows at a rate of 1.91.9% per year. a. Find the rate

SCORPION-xisa [38]

Answer:

Given,

The initial population, P = 87,000,

Annual rate of increasing, r = 1.9 %,

a) Thus, the population after t years,

$A=P(1+\frac{r}{100})^t$

$A=87000(1+\frac{1.9}{100})^{t}$

$=87000(1+0.019)^t$

$=87000(1.019)^t$

$87000(1.019)^t=87000e^{kt}$

Where, k is the rate constant,

By comparing,

$\implies k=log(1.019)=0.00817418400643\approx 0.00817$

Hence, the approximate value of k is 0.00817.

And, the exponential growth function would be,

$A=87000e^{0.00817t}$

b) If A = 145,000,

$145000=87000(1.019)^t$

By using graphing calculator,

We get,

$t=27.14\approx 27$

The year after 27 years from 2016 is 2043.

Hence, in 2043 the population reach 145,000.

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4 years ago

In the diagram below, every pair of segments which do not intersect are parallel, and the measure of angle k is 89 degrees. What

solong [7]

From the figure shown:
Given that k=89, then:
c=g=k=o=s=w=89
b=f=j=n=r=v=89
d=h=l=p=t=x=180-89=91
a=e=i=m=q=u=91
thus the sum of <span> s,e,q,u,o,i,a will be:
</span>s+e+q+u+o+i+a
=89+91+91+91+89+91+91
=633°

Answer: 633°

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3 years ago