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allsm [11]
2 years ago
8

a scientist has two solutions which she is labeled solution a and solution b each contains salt she knows that solution a is 55%

salt solution b is 80% salt. she wants to obtain 80 oz of a mixture that is 70% salt how many ounces of each solution should she use​
Mathematics
1 answer:
son4ous [18]2 years ago
3 0

\color{pink} \rule{500pt}{100000000pt}

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The radius of a circular box is 21 centimeters. What is the circumference of the box? A 66cm B 132cm C 176cm D 1386cm
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The answer would be 132 because the formula for find circumference while using radius is 2(3.14)r .

C= 2(3.13)21

C= 6.28 • 21 = 131.88

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Andru [333]

Answer:

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Please solve for me ill give brainliest
Black_prince [1.1K]

Answer:

\displaystyle (0, -1); maximum

Step-by-step explanation:

First off, <em>B</em> is zero, so there is no <em>phase shift</em>, meaning that the vertex stays on the y-axis. Next, <em>A</em> is negative, so the parabola opens down, and whenever you have a parabola opening down, it does so at maximum. Finally, <em>C</em> represents our y-intercept, or in this case, our <em>vertical shift</em>. Our y-intercept is (0, −1), and so as our vertex, hence our answer.

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Which point below is a solution to the equation y = 2x + 3?
Anastasy [175]

Answer:

C (37, 77)

Step-by-step explanation:

<h3>Option A:</h3>

291=2(145)+3\\\\291=290+3\\\\\boxed{291\neq 293}

Option A is not a solution.

<h3>Option B:</h3>

163=2(78)+3\\\\163=156+3\\\\\boxed{163\neq 159}

Option B is not a solution.

<h3>Option C:</h3>

77=2(37)+3\\\\77=74+3\\\\\boxed{77=77}

Option C is a solution.

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