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Xelga [282]
3 years ago
5

The charge for a 7 min call is Rs.42.find the rate per min ​

Mathematics
1 answer:
Svetach [21]3 years ago
6 0

42 dollars/7 minutes

÷ by 7 on both

6 dollars/1 minute

hope this helped

please make this brainliest

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Graph a linear function which has a rate of change equal to the average rate of change of function f on the interval [-1, 1]. Th
fomenos
<h2>Answer:</h2>

The linear function is given by:

       y=\dfrac{3}{2}x-\dfrac{7}{2}

<h2>Step-by-step explanation:</h2>

It is given that the rate of change of the linear function is equal to the average rate of change of function f on the interval [-1, 1].

The slope(m) or average rate of change of  the linear function will be:

m=\dfrac{f(1)-f(-1)}{1-(-1)}\\\\\\m=\dfrac{-2-(-5)}{1+1}\\\\\\m=\dfrac{-2+5}{2}\\\\\\m=\dfrac{3}{2}

and the linear function pass through (1,-2)

We know that the equation of a line with given slope m and passing through point (a,b) is given by:

Here (a,b)=(1,-2)

and m=\dfrac{3}{2}

Hence, the equation of linear function is:

y-(-2)=\dfrac{3}{2}\times (x-1)\\\\\\y+2=\dfrac{3}{2}x-\dfrac{3}{2}\\\\\\y=\dfrac{3}{2}x-\dfrac{3}{2}-2\\\\\\y=\dfrac{3}{2}x-\dfrac{7}{2}

4 0
3 years ago
A piece of pizza with a diameter of 20 inches is eaten and m∠IPZ=45°. What is the perimeter of the piece of the pizza eaten in i
insens350 [35]

Answer:

Perimeter of pizza slice = 27.85 inches (Approx.)

Step-by-step explanation:

Given:

Diameter of pizza = 20 inches

So,

Radius of pizza slice = Diameter of pizza / 2

Radius of pizza slice = 20 / 2 = 10 inches

∠IPZ = 45°

Find:

Perimeter of pizza slice

Computation:

Perimeter of pizza slice = 2[Radius of pizza slice] + [θ/360][2πr]

Perimeter of pizza slice = 2[10] + [45/360][(2)(22/7)(10)]

Perimeter of pizza slice = 20 + [0.125][(2)(3.14)(10)]

Perimeter of pizza slice = 20 + [0.125][62.8]

Perimeter of pizza slice = 20 + 7.85

Perimeter of pizza slice = 27.85 inches (Approx.)

4 0
3 years ago
Quadrilateral SQUA is a square with sides measuring 25mm. Quadrilateral AQER is also a square.What is the length diagonal RQ
svet-max [94.6K]

The square has 4 sides of the same measure.

If square SQUA has a side measuring 25 mm, it means side QU measures the same.

Also, if quadrilateral AQER is a square two, then its diagonals bisect each other, then QU is equal to UR.

Thus, QR measures:

\begin{gathered} QR=QU+UR \\ QR=25\operatorname{mm}+25\operatorname{mm} \\ QR=50\operatorname{mm} \end{gathered}

The answer is 50 mm

6 0
2 years ago
Can some one help me to with question D?
nadya68 [22]
(x+2)/6 = 2/5 
(x+2)5 = 12 <-- Cross multiply
5x = 6 <-- Transpose the 2.
6/5 = x
7 0
4 years ago
The answer please?????????
Pani-rosa [81]

Answer:

Answer A- "The system of equations has one solution." :)

Step-by-step explanation:

Each shows two lines that make up a system of equations. If the graphs of the equations intersect, then there is one solution that is true for both equations. ... If the graphs of the equations are the same, then there are an infinite number of solutions that are true for both equations.

Hope this helps! <3

5 0
3 years ago
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