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Neko [114]
3 years ago
6

Can anyone please help me

Mathematics
1 answer:
astraxan [27]3 years ago
6 0

Answer:

its 72

Step-by-step explanation:

hope this helps

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If f(x)=-9x-3, find f(-5)
Andrews [41]

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Step-by-step explanation:

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If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)

5 0
3 years ago
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

6 0
2 years ago
Ill give brainliest i really need help on this
Sever21 [200]
I think the answer is

B.
8 0
2 years ago
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