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abruzzese [7]
2 years ago
12

The base of a triangle is 7 less than twice its height. if the area of the triangle is 102cm^2 find the length of the base

Mathematics
1 answer:
Gre4nikov [31]2 years ago
7 0
B=2h-7
Area of a triangle: A=1/2 of bh
replace b with 2h-7: A=(1/2)(2h-7)h=102 => (2h-7)h=204
2h^2-7h-204=0
factor or use quadratic function to solve
h=12
b=2*-7=17
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MrMuchimi

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Y=6x+1 for x=5. what is the solution​
const2013 [10]

Answer:

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Step-by-step explanation:

Replace x with 5

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Use PEMDAS

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I hope I helped!

Let me know if you need anything else!

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6 0
3 years ago
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Vera_Pavlovna [14]
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7 0
2 years ago
What is this 16/6.72 thank you
kvv77 [185]
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6 0
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Evgesh-ka [11]

Answer:

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Step-by-step explanation:

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so its 5.9500 = 5.95

4 0
2 years ago
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