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svp [43]
3 years ago
6

9. Consider the line y = 4x + 9. If a second line is perpendicular to this one, what is its slope

Mathematics
1 answer:
Tatiana [17]3 years ago
6 0

Graph the line using the slope and y-intercept, or two points.

(Slope: 4)

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A car travels a distance of 500 km in a time of 5 hours. <br> What is the car's average speed?
FrozenT [24]

Answer:

100km/h

Step-by-step explanation:

The formula for speed is:

v  =  x / d  =  500/5  =  100km/h

7 0
3 years ago
Which expression is equivalent to \sqrt(-80)?
DedPeter [7]
√-80 can be factored out, to see which factors can be square rooted. A pair of factors would be 16 and -5, so that would be 4√-5. But, negative numbers cannot be inside a square root. So, √-1 is the same thing as <em>i</em>, or <u>imaginary number</u>. So, the expression equivalent to √-80 is 4<em>i</em>√5.
Have a nice day! ♪
8 0
3 years ago
Read 2 more answers
Rick O'Shea, the only employee of Hunter Furniture Company, makes $30,000 per year and is paid once a month. For the month of Ju
vazorg [7]

Answer:

  $1976.25

Step-by-step explanation:

Rick's monthly pay is $30,000/12 = $2500.

His total deductions are ...

  180 + 37 + (6.2% +1.45% +4% +0.6%)(2500) = 217 +12.25%(2500)

  = 217 +306.25 = 523.25

Rick's net pay is the difference ...

  $2500 -523.25 = $1976.25 . . . . net pay for July

5 0
3 years ago
Suppose y varies directly with x if y=27 when x=3 what is y when x=5
Sindrei [870]

The value of y when x = 5 is 45

<h3><u>Solution:</u></h3>

Given that y varies directly with x. This can be written mathematically as:

y  ∝  x

y = k \times x  ---- eqn 1

Where "k" is the constant of propotionality

Given y = 27 when x = 3. Substitute these values in eqn 1

27 = k \times 3\\\\k = \frac{27}{3} = 9

<h3>k = 9</h3>

Substitute k = 9 in eqn 1

y = 9x ----- eqn 2

<u><em>To find: y = ? and x = 5</em></u>

Substitute x = 5 in eqn 2

y = 9 \times 5 = 45

Thus the value of y when x = 5 is 45

5 0
3 years ago
What is the length of the hypotenuse in a right triangle with legs of length 14 and 48?
Irina-Kira [14]
14^2+48^2=x^2
196+2304=x^2
2500=x^2
x=50
hypotenuse equals 50
3 0
3 years ago
Read 2 more answers
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