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4 years ago

Can someone help me with this, please

Mathematics

1 answer:

SIZIF [17.4K]4 years ago

4 0

Answer:

(0,4) vertex and (1,3) another pt

Step-by-step explanation:

The parabola has been shifted up 4 units from parent function (there is also a reflection)...but we only really care about the shift 4 units up from (0,0) for our vertex... Our vertex is (0,4)

Now just plug in another number to find another point...let's do x=1

Plug in you get -1^2+4=-1+4=3 so another point is (1,3)

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400 passengers go on a coach trip.

Afina-wow [57]

Answer: ₹759407.56

Step-by-step explanation: Total No. of passengers = 400

1 Coach = 50 passengers

∴Total No. of coaches= 400/50=8 coaches.

Cost for each passenger= £23

∴Total cost for 400 passengers= 400x£23

= £9200 ( 1£=82.5443 ₹) ∴ Total cost for passengers = ₹759407.56

Money spent per mile= 70p

∴Money spent for 200 miles= 200x70p=14000p

(1₹=100p) thus, 14000p=₹140

Total profit= Money from the passengers- Money spent for fuel

∴₹759407.56- ₹140= ₹7,59,407.56

Actually I am a 9th grader and I have tried this question, so I am not sure for my answer, But I have tried my level best.

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3 years ago

The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. Which equation models t

Elden [556K]

$\bf \textit{Logarithm Cancellation Rules}
\\\\
log_a a^x = x\qquad \qquad \boxed{a^{log_a x}=x}\\\\
-------------------------------\\\\
pH=-log(H+)\qquad \stackrel{pH}{7.2}=-log(H+)\implies -7.2=log_{10}(H+)
\\\\\\
10^{-7.2}=10^{log_{10}(H+)}\implies 10^{-7.2}=H+\implies \cfrac{1}{10^{7.2}}=H+$

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3 years ago

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WINSTONCH [101]

n, n + 2 - two consecutive odd integers

196 - the sum

The equation:

n + (n + 2) = 196

n + n + 2 = 196 |subtract 2 from both sides

2n = 194 |divide both sides by 2

n = 97

n + 2 = 97 + 2 = 99

Answer: 97, 99.

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4 years ago

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zimovet [89]

Answer:

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3 years ago

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yKpoI14uk [10]

Answer:

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