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mart [117]
3 years ago
14

Help please very confused.

Mathematics
2 answers:
Nat2105 [25]3 years ago
7 0

Answer:

12.

Step-by-step explanation:

Replace k in the radical by -2:

So we have √(-72*-2)

= √144

= 12.

Daniel [21]3 years ago
7 0

Answer:

12

Step-by-step explanation:

\sqrt{-72(-2)} = \sqrt{144} = 12

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The function h is defined by h(x)=4+3x over 5+x<br><br> Find h(4z)
Jobisdone [24]

Answer:

h(4z)=4+12z / 5+4z

Step-by-step explanation:

The function h is defined by h(x)=4+3x over 5+x

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We will substitute 4z in the place of x in the function. This becomes

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3 years ago
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Anna11 [10]

Answer:

Step-by-step explanation:

Remember the general form of a linear equartion: y=mx + b, where m is the slope and b is the y-intercept (the value of y when x = 0).

The equation of line v (y=9x+1) has a slope of 9. A perpendicular line with have a slope equal to the negative inverse of the reference line. So the line we want will have a slope of -(1/9). That gives us y = -(1/9)x + b. Any vale of b will produce a line that is perpendicular. But we want a line that goes through point (3,-2). All we need to do is find a value for b that will make that wish come true.

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3 years ago
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Answer:

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