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pishuonlain [190]

3 years ago

15

A chemist is using 338 milliliters of a solution of acid and water. If 16.3% of the solution is acid, how many milliliters of ac

id are there?

1 answer:

adelina 88 [10]3 years ago

5 0

It easy it’s B i just took this quiz

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skad [1K]

The answer would be: B

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3 years ago

The experimental probability of rain in a certain town is 20 percent. In the next 45 days, how many days can one expect it to ra

Hatshy [7]

9.

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3 years ago

1*5*665*5665*5545*5665

sergiy2304 [10]

Answer:

thats long just use calcukator

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3 years ago

BRAINLIEST BRAINLIEST!!! <br> EASY MATH! Do with explanation!!

Anuta_ua [19.1K]

Answer:

<em>Answer is </em><em>given below with explanations</em><em>.</em><em>,</em>

Step-by-step explanation:

$1)formula \: for \: linear \: equation \: is \: \\ ax + by + c = 0 \\ 2) \: solution \: of \: the \: equation \: y = 9x - 3 \\ (2,15) \: is \: the \: solution \: \\ on \: substitutuing \: the \: points \\ 15 = 9(2) - 3 \\ 15 = 18 - 3 \\ 15 = 15 \\ hence \: proved\\ 3) \: given \:( k,7) \: is \: a \: solution\\ \: of \: y = - 4x + 1 \\ on \: substitutuing \: the \: points \\ 7 = - 4k + 1 \\ 4k = - 7 + 1 \\ 4k = - 6 \\ k = \frac{ - 6}{4} \\ k = \frac{ - 2}{3}$

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>.</em>

3 0

3 years ago

Factor the expression:

Dovator [93]

Answer:

B) (4x-5i)(4x+5i)

Step-by-step explanation:

The expression can be treated as the difference of squares, and factored accordingly. That factoring is ...

a² -b² = (a -b)(a +b)

__

Here, we have ...

a² -b² = 16x² -(-25)

a² = 16x² ⇒ a = 4x

b² = -25 ⇒ b = √-25 = 5i

Then the factoring is ...

(a -b)(a +b) = (4x -5i)(4x +5i)

6 0

3 years ago