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Juliette [100K]
3 years ago
5

Simplify the expression. b + 3 + 2b + 6

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
4 0
D since it’s like terms you have to do those first so it would be 3b + 9
SOVA2 [1]3 years ago
3 0
D. 3b + 9

because you add the like terms 2b and b which means 1b and add 6 and 3.
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A zoo has 15 toucans and 60 parrots. What is the ratio of the number of toucans to thee number of parrots at the zoo?
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A chair costs ₹ 452 and a table costs ₹ 1750. What will be cost of 15 chairs and 30 tables?
gavmur [86]

Answer:

1 chair cost=$452

so of 15 chairs=$452×15=$6780

1 table cost=$1750

so cost of 40 tables=$1750×30=$5250

Total cost=$6780+$5250=$12,030

Step-by-step explanation:

5 0
3 years ago
A stadium has two sponsorship deals. Deal A has revenue of $100,000 and expenses of $10,000. Deal B has revenue of $50,000 and e
meriva
The profit is calculated by subtracting the expenses from the revenue. 
For Deal A:
                               Profit = $100,000 - $10,000
                                         = $90,000
Deal B:
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For the percentage of revenue, we divide the revenue by the expense and multiply the quotient by 100%

Deal A:                   %revenue = $100,000/$10,000 x 100 = 1000%

Deal B:                    %revenue = $50,000/$20,000 x 100 = 250%
7 0
4 years ago
Read 2 more answers
Please don't put any links or I'll report you:)​
Semenov [28]
His tip was a total of $6.26
7 0
3 years ago
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The function g(x)= 112 Ln (0.121x) + 2011 models the year in which the population of New York City will equal x million people.
stellarik [79]

We are given function: g(x)= 112\ ln (0.121x) + 2011.

Given function models a particular year of population of New York City.  

x represents population of New York City ( In millions).

We need to estimate the population of New York City in 2020.

Because g(x) function represents a particular year of population of New York City and we are given year 2020, so we need to replace g(x) by 2020 and solve for x.

Replacing g(x) by 2020, we get

2020= 112\ ln (0.121x) + 2011   : <em>This is the required equation to estimate the population of New York City in 2020</em>

Let us solve the above equation for x now.

2020=112\ln \left(0.121x\right)+2011

\mathrm{Switch\:sides}

112\ln \left(0.121x\right)+2011=2020

\mathrm{Subtract\:}2011\mathrm{\:from\:both\:sides}

112\ln \left(0.121x\right)+2011-2011=2020-2011

Simplify

112\ln \left(0.121x\right)=9

\mathrm{Divide\:both\:sides\:by\:}112

\frac{112\ln \left(0.121x\right)}{112}=\frac{9}{112}

\mathrm{Simplify}

\ln \left(0.121x\right)=\frac{9}{112}

\mathrm{Apply\:log\:rule}:\quad \:a=\log _b\left(b^a\right)

\frac{9}{112}=\ln \left(e^{\frac{9}{112}}\right)

\ln \left(0.121x\right)=\ln \left(e^{\frac{9}{112}}\right)

0.121x=e^{\frac{9}{112}}

\mathrm{Divide\:both\:sides\:by\:}0.121

\frac{0.121x}{0.121}=\frac{e^{\frac{9}{112}} }{0.121}

x=8.95598 ≈ 9 million people.

So, we can say..

Population of New York City in 2020 would be 8.95598 millions or 9 million ( approximately).



4 0
3 years ago
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