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alexandr402 [8]
2 years ago
10

Pls help it’s due today

Mathematics
1 answer:
seraphim [82]2 years ago
3 0

Answer:

ion know

Step-by-step explanation:

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What are the solutions of the quadratic equation? 4x^2+34x+60=0
insens350 [35]

Answer:

Option 3) -6,-5/2

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

4x^{2} +34x+60=0  

so

a=4\\b=34\\c=60

substitute in the formula

x=\frac{-34(+/-)\sqrt{34^{2}-4(4)(60)}} {2(4)}

x=\frac{-34(+/-)\sqrt{196}} {8}

x=\frac{-34(+/-)14} {8}

x_1=\frac{-34(+)14} {8}=-\frac{20}{8}=-\frac{5}{2}

x_2=\frac{-34(-)14} {8}=-6

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2 years ago
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3 years ago
For the data set below, which of the following are true? {12, 18, 28, 14, 18, 20, 12}
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Step-by-step explanation:

174 x 4 = 522

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