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3 years ago

URGENT !!!

Mathematics

1 answer:

Sedaia [141]3 years ago

8 0

Answer:

${ \tt{pH = - log[H {}^{ + } ]}} \\ pH = - log(4.2 \times {10}^{ - 5} ) \\ pH = 4.38$

Step-by-step explanation:

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How many 1/12 pieces are in 3/3? 3/3 = __/12

adelina 88 [10]

Answer:

Is your teacher trying to confuse us or what?

Step-by-step explanation:

well 3/3 is full so it's just like 12/12, so 12 pieces of 1/12 piece are in 3/3

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2 years ago

How do you figure this out?

pantera1 [17]

$3 ^{ - 2} = \frac{1}{3 {}^{2} } = \frac{1}{9}$

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3 years ago

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The diagram shows squares arranged around the edge of a right triangle. What is the area of square B

Lina20 [59]

Step-by-step explanation:

take the right triangle

15^2 = 9^2 + x^2

225 = 81 + x^2

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area of square b = 144

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2 years ago

81.3 x 47.5 = i am lost............

Drupady [299]

Answer:

3861.75

Step-by-step explanation:

i hope its the good answer

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3 years ago

Please solve the problem and show all steps, thank you.a-c=d+r, for a

Delicious77 [7]

Answer:

a = d + r + c

Step-by-step explanation:

a - c + c = d + r + c

a = d + r + c

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2 years ago