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irina [24]
3 years ago
9

How much is 3/10 times 7

Mathematics
2 answers:
Fudgin [204]3 years ago
7 0

Answer:

Step-by-step explanation:

9

Rashid [163]3 years ago
4 0
3/10 x 7 = 21/10
or alternative forms: 2 1/10, 2.1
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Answer:

12

Step-by-step explanation:

15/10=1.5

8 times 1.5=12

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2 years ago
Which of the following is not a rational number?
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If I am sure the answer is D
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4 years ago
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The earth has a diameter of 7926.41 miles. what is the circumference of the earth?
frutty [35]
Circumfrence is to a circle as perimeter is to a polygon. The circumfrence of a circle always equals the diameter (or two times the radius, since the radius is half of the diameter) times pi.

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3 years ago
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]

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<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.

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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 solution?
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(1,-1)

Step-by-step explanation:

The solution is the point where the two lines intersect.

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3 years ago
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