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Charra [1.4K]
3 years ago
10

HELPHELPHELPHELPHELPHELPHELP​

Mathematics
2 answers:
Tom [10]3 years ago
8 0

Answer:

75

Step-by-step explanation:

no.of candles he make in 3 hrs = 225

no. of candles he make in 1 hr = 225/3

= 75 candles

viva [34]3 years ago
5 0

Answer:

the answer is 75

Step-by-step explanation:

225 ÷ 3

75

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Joe charges 5 dollar to wash each floor, How many floors does joe need to wash to make at least $32?
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Divide 32 by 5, you get 6.4
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Answer is 6 floor washes. I hope that helps!
4 0
3 years ago
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The pH of lemon juice at 298 K is found to be 2. 32. What is the concentration of mc014-1. Jpg ions in the solution? Use StartBr
sdas [7]

The concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.

<h3>What is pH value?</h3>

The pH value shows that how much a solution is acidic or basic. The range of the pH value lies between the 0-14.

The pH value can be calculated with the following formula.

\rm pH=log[H^{+}]

Here, [H⁺] is the molar hydrogen ion concentration.

The pH of lemon juice at 298 K is found to be 2. 32. Put this value of pH in the above formula as,

\rm 2.32=log[H^{+}]\\\ [H^{+}]=4.79\times10^{-3} \rm \; M

Hence, the concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.

Learn more about the pH value here;

brainly.com/question/940314

8 0
2 years ago
What 30000.48978 rounded up
Fudgin [204]

Answer:

Rounded to the nearest ones: 30000

Rounded to the nearest tenths: 30000.5

Rounded to the nearest hundredths: 30000.49

Rounded to the nearest thousandths: 30000.490

Rounded to the nearest ten-thousandths: 30000.4898

7 0
3 years ago
_____ ÷ r × r = p<br> be fast :) easy point for who ever get it
krok68 [10]

Answer:

p

Step-by-step explanation:

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