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Triss [41]
2 years ago
13

Help will mark brainleist serious answers only

Mathematics
1 answer:
USPshnik [31]2 years ago
8 0

Answer:

x is +1

y is-5

Step-by-step explanation:

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What is the answer to the equation 7/9+1/6+3/5
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Step-by-step explanation:

7/9+1/6+3/5

Least common factor is 90

Multiply

70/90+15/90+54/90

Is 139/90 which is. 1 49/90

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10 pts<br> Point K (-2,-3) is translated (x + 5, y-7). What are the coordinates K?
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What is the value of a^(m-n) *​
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a {}^{m - n}

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The population of a certain country in 1996 was 286 million people. In​ addition, the population of the country was growing at a
Fudgin [204]

Answer:

A) In 2004 the population will reach 306 million.

B) In 2033 the population will reach 386 million.

Step-by-step explanation:

Given : The population of a certain country in 1996 was 286 million people. In​ addition, the population of the country was growing at a rate of 0.8​% per year. Assuming that this growth rate​ continues, the model P(t) = 286(1.008 )^{t-1996} represents the population P​ (in millions of​ people) in year t.

To find : According to this​ model, when will the population of the country reach A. 306 million? B. 386 million?

Solution :

The model represent the population is P(t) = 286(1.008 )^{t-1996}

Where, P represents the population in million.

t represents the time.

A) When population P=306 million.

306 = 286(1.008 )^{t-1996}

\frac{306}{286}=(1.008 )^{t-1996}

1.0699=(1.008 )^{t-1996}

Taking log both side,

\log(1.0699)=\log((1.008 )^{t-1996})

\log(1.0699)=(t-1996)\log(1.008)  

\frac{\log(1.0699)}{\log(1.008)}=(t-1996)  

8.479=t-1996  

t=8.479+1996

t=2004.47

t\approx2004

Therefore, In 2004 the population will reach 306 million.

B) When population P=386 million.

386 = 286(1.008 )^{t-1996}

\frac{386}{286}=(1.008 )^{t-1996}

1.3496=(1.008 )^{t-1996}

Taking log both side,

\log(1.3496)=\log((1.008 )^{t-1996})

\log(1.3496)=(t-1996)\log(1.008)  

\frac{\log(1.3496)}{\log(1.008)}=(t-1996)  

37.625=t-1996  

t=37.625+1996

t=2033.625

t\approx2033

Therefore, In 2033 the population will reach 386 million.

6 0
3 years ago
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