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aksik [14]
3 years ago
5

There are 13 boys and 10 girls in the classroom.what is the ratio of boys and girls

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0

Answer:Step-by-step explanation: 13:10

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Evaluate. [(1 1/3−2/3)⋅(−3/4)^3]÷(−2) What is the value of the expression? Enter your answer as a simplified fraction in the box
AleksAgata [21]

Answer

9/64

Step-by-step explanation:

(1 1/3- 2/3) x (-3/4) divided by (-2) is the answer

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7 0
2 years ago
Write an equation of the parabola in vertex form.
GenaCL600 [577]
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3 years ago
What is the HCF of 66, 121 ,132
gayaneshka [121]
11

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5 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 is the measure of the missing angle?
irinina [24]

125+42= 167

180-167= 13 degrees

Triangles is always equaled to 180 degrees.

Answer: choice 3

I am pretty sure this is the answer

6 0
2 years ago
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