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wel
3 years ago
10

The area of the following equilateral triangle is 62.4 square feet? What is its height?

Mathematics
2 answers:
love history [14]3 years ago
6 0

Answer:

10.4 ft

Step-by-step explanation:

lakkis [162]3 years ago
3 0
You need to know the base to answer this. but if you want i will explain it divide 62.4 by 2 which is 31.2
the you divide 31.2 by what ever the base is and that is your height 

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Without solving the equation, determine the nature of the roots of x^2 - 2x - 8 = 0.
noname [10]

Answer:

two real, unequal  roots

Step-by-step explanation:

This is a quadratic equation.  The quadratic formula can be used to determine how many and what kind of roots may exist:  

Find the discriminant, which is defined as b^2 - 4ac, if ax^2 + bx + c = 0.  In this case, a = 1, b = -2 and c  = -8, so that the discriminant value is

(-2)^2 - 4(1)(-8), or 4 + 32  =  36.

Because the discriminant is real and positive, we know for certain that we have two real, unequal  roots

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3 years ago
Khan academy question
andriy [413]

Answer:

(2,5)

Step-by-step explanation:

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4 0
3 years ago
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Rewrite in simplest terms: -2(5d-9f)+7f-10(-9f-7d)
Afina-wow [57]

Answer:

= 5 ( 12d + 23f )

Step-by-step explanation:

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Open parenthesis

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Collect like terms

= -10d + 70d + 18f + 7f + 90f

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Therefore,

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2 years ago
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Lelu [443]

Answer:

It would be C

Step-by-step explanation:

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X=17 is the awnser for this
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