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Greeley [361]
3 years ago
12

In the early months of some​ year, one site added 0.2 million new accounts every day. at this​ rate, how many days would be need

ed to add 10million new​ accounts?
Mathematics
2 answers:
Wewaii [24]3 years ago
6 0

Answer:

50 days

Step-by-step explanation:

It's simple, we just have to express this as an equation.

x we will take it as the number of days we do not know.

so..

(0.2 M * x) = 10 M

we divide on both sides by 0.2 M.

x *  0.2 M / 0.2M  = 10 M / 0.2 M

we simplify

x = 10M / 0.2 M

finally we only solve and the result of x will be the days it took.

x = 50

50 days

inessss [21]3 years ago
3 0
50 days needed for 10 million new account
5 days for 1 million
1 day for 0.2 million
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A right triangle has a leg of 12 cm and a hypotenuse of 19 cm.
Yakvenalex [24]

Answer:

14.7 cm

Step-by-step explanation:

Using Pythagoras Theorem,

The length of the other leg

=  \sqrt{ {19}^{2}  -  {12}^{2} }

=  \sqrt{217}

= 14.730919...

= 14.7 cm (rounded to the nearest tenth)

6 0
3 years ago
Find a cartesian equation for the curve and identify it. r = 10 tan(θ) sec(θ)
Vilka [71]
For a cartesian equation
x=r\cos\theta \ and \ y=r\sin\theta \\  \\ \cos\theta=\frac{x}{r} \ and \ \sin\theta=\frac{y}{r} \\  \\ \tan\theta=\frac{\sin\theta}{\cos\theta}=\frac{y}{r}\cdot\frac{r}{x}=\frac{y}{x} \\  \\ \sec\theta=\frac{1}{\cos\theta}=\frac{r}{x}

Given r = <span>10 tan(θ) sec(θ)
r=10\tan\theta\sec\theta=10\cdot\frac{y}{x}\cdot\frac{r}{x} \\  \\ \Rightarrow10y=x^2 \\  \\ \Rightarrow y= \frac{1}{10} x^2

Therefore,</span>the curve is a parabola opening upward with vertex (0, 0).
3 0
3 years ago
–5x+8y= 10<br> 7x-2y= -14
Lostsunrise [7]

Answer:

x=2,y=0

(You did not provide enough information for me to know what to do with said equations, so I'm assuming it was System of Equations.)

7 0
3 years ago
Below are two different functions, f(x) and g(x). What can be determined about their y-intercepts? F(x)=-2x-1
katrin [286]
The function g(x) has a higher y intercept
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3 years ago
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Sonja [21]

Answer:

The equation of straight line is x = 1

Step-by-step explanation:

<u>Step </u>:-

The equation of straight line having slope 'm' and passing through the point

(x_{1} ,y_{1} ) is y-y_{1} = m (x-x_{1} )

Slope of horizontal line(that is x-axis) is m = 0

slope of vertical line (that is y-axis) is m is not defined

The equation of straight line having slope is not defined and passing through the point (1,7).

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cross multiplication we will get equation

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The equation of straight line is x = 1

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