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Lostsunrise [7]
3 years ago
8

Nannette installed a security system in her office for $150 the monthly monitoring fee is $30. So far, Nannette has spent $420 f

or her security system. For how many months has she had the service?
Mathematics
1 answer:
mojhsa [17]3 years ago
5 0

Answer:

9 Months

Step-by-step explanation:420 - 150 = 270

270/30 = 9


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3 years ago
PLEASE HELP WITHIN THE NEXT FEW MINUTES!
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Volume of a sphere can be found by using the formula V=\frac{4}{3}  \pi r^{3} where r is the radius of sphere.

Lianne drew a sphere with a radius of 7 in that is r= 7 in .she has written \frac{\pi}{3} and need to find what should be multiplied in numerator with pi.

V=\frac{4}{3}  \pi  r^{3}   =\frac{4\pi r^{3} }{3}   =\frac{\pi}{3}   (4 r^{3}  )

As r= 7 she needs to multiply numerator 4 r^{3}  = 4 (7^{3)}  =4(343) =1372

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3 years ago
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You have 5 Red Marbles, 4 Green Marbles, and 3 Blue Marbles in a Bowl. You randomly pick 4 marbles from the bowl (without replac
makvit [3.9K]

Answer:

2%

Step-by-step explanation:

In this case each one is an independent event, therefore, the multiplication of each one would be the final probability

We have 5 Red Marbles, 4 Green Marbles, and 3 Blue Marbles, that is, there are 5 + 4 + 3 12 Marbles in total.

Now if I draw a red one, the probability would be: 5/12

When drawing another red, the probability would be: 4/11

When taking the green: 4/10

When removing the blue: 3/9

Finally, the final probability is:

P = (5/12) * (4/11) * (4/10) * (3/9)

P = 0.020

In other words, the probability of this happening is 2%

7 0
3 years ago
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BARSIC [14]

The set of coordinates in order from top to bottom: (0,3) (1,4) (2,5) (3,6) (4,7)

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4 years ago
Determine the equations of the vertical and horizontal asymptotes, if any, for f(x)=2x/x+4
lesya [120]

ANSWER

Vertical asymptote: x=-4

Horizontal asymptote: y=2

EXPLANATION

The given equation is

f(x) =  \frac{2x}{x + 4}

The vertical asymptote is determined by equating the denominator to zero and solve for x.

x + 4 = 0

The equation of the vertical asymptote is

x =  - 4

The numerator has the same degree as the denominator.

The equation of the horizontal asymptote is the coefficient of the leading term in the numerator expressed over the coefficient of the leading term in the denominator.

y =  \frac{2}{1}

y=2

5 0
4 years ago
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