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WARRIOR [948]
3 years ago
13

A cars radiator should contain a solution of 50% antifreeze. Bae has 2 gallons of 35% antifreeze. How many gallons of 100% antif

reeze should he add to his solution to produce a solution of 50% antifreeze
Mathematics
1 answer:
kakasveta [241]3 years ago
7 0
X= 240
-----
Equation:
anti + anti = anti
0.60x + 0.20*80 = 0.50(x+80)
-----
Multiply thru by 100 to get:
60x + 20*80 = 50x + 50*80
-----
10x = 30*80
x = 3*80
x = 240
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Answer:

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V of rectangular prism = l*w*h

V of cylinder = 16 * 3.14 * 8

                      = <em><u>401.92</u></em>

V of rectangular prism = 14 * 8 * 12

                                      = <em><u>1344</u></em>

<em><u>Add = 401.92 + 1344</u></em>

<em><u>        = 1,745.92</u></em>

<h2><em><u>1,745.92 is the answer.</u></em></h2><h2><em><u>Rounded the answer is C</u></em></h2>
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Step-by-step explanation:

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To which quadrants is tan^-1 x restricted?
Xelga [282]

The quadrants is tan⁻¹x restricted is A. Quadrants I and IV

To answer the question, we need to know what tan⁻¹x is.

<h3>What is tan⁻¹x?</h3>

tan⁻¹x is the inverse trigonometric function of tanx, which is the value of the angle for tanx.

<h3>Quadrant in which tan⁻¹x is restricted</h3>

To find the quadrants in which tan⁻¹x is restricted, we know that tanx lies in the range

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tan⁻¹x lies between quadrant I and IV

So, the quadrants is tan⁻¹x restricted is A. Quadrants I and IV

Learn more about tan⁻¹x here:

brainly.com/question/20334292

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