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Illusion [34]
3 years ago
13

Which graph is defined by the function given below? y=(x-2)(x+5)

Mathematics
2 answers:
inn [45]3 years ago
7 0

Answer: Option A  is the graph for given function y=(x-2)(x+5)

Explanation:  we have  given function y = (x-2)(x+5)

which is a quadratic meaning the equation in which highest degree is two

and graph of a quadratic equation is a parabola.

In case of  (x-2) graph will shift two units right along x-axis.

In case of  (x+5) graph will shift 5 units left along x-axis.

it will cover left and right side of x-axis.

In option B graph is only on left side which is not satisfying given points

In option C graph is only on right side which is satisfying given points



Hoochie [10]3 years ago
3 0

Answer:

graph a

Step-by-step explanation:

on a p e x

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A cylindrical metal pipe has external diameter of 6cm and internal diameter of 4cm. Calculate the volume of metal in a pipe of l
ArbitrLikvidat [17]

Answer:

volume is 1570 cm³

mass is 12560 g

Step-by-step explanation:

1m = 100 cm

the volume is :

1/4 x \pi x 6² x 100 - 1/4 x \pi x 4² x 100

= 900 \pi - 400 \pi              { v = 1/4 \pi d²h }

= 500 \pi

= 500 x 3.14

= 1570 cm³

the mass of the pipe is:

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5 0
2 years ago
True or false: the lateral surface of cone a is exactly 1/2 the lateral surface area of cylinder b
Mazyrski [523]

Answer:

True

Step-by-step explanation:

We have that,

The cone A has the length of the lateral side = h and the height of the cylinder  B = h.

Since, the lateral surface areas are given by,

Lateral surface area of cone = \pi r\times l, where l is the length of the lateral side.

So, we get L_{A} = \pi r\times h.

Also, Lateral surface area of cylinder is 2\pi r\times h, where h is the height of the cylinder.

So, we get L_{B} = 2\pi r\times h

Thus, we see that, L_{A}=\frac{1}{2}\times L_{B}

Hence, the given statement is correct.

6 0
3 years ago
A shopkeeper buys pens at the rate of ₹ 75 per 100. for how much should he sell each pen so as to make a gain of 15%? please hel
Lady bird [3.3K]

Answer:

He should sell each pen of Rs.0.8625 so as to make a gain of 15%

Step-by-step explanation:

  • Cost price of 100 pens = Rs.75
  • Cost price of 1 pen=\frac{75}{100} = 0.75
  • Gain%= 15%

Gain=15%X 0.75= 0.1125

SP = CP+Gain = 0.75+0.1125=0.8625

<u>So, He should sell each pen of Rs.0.8625 so as to make a gain of 15%</u>

#Learn more:

By selling 60 pens a shopkeeper gain the cp of 15 pen. If he bought 20 pens in rs36. Find the sp of one pen

brainly.in/question/15083989

https://brainly.in/question/7469007

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