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WINSTONCH [101]
3 years ago
14

What expression is equivalent to 16 + 2 ⋅ 36?

Mathematics
2 answers:
JulijaS [17]3 years ago
8 0

to figure this one out we need to simplify the expression

16x²-36  start by taking out the greatest factor of 16 and 36 which is 4

4(4x²-9) then since this is the difference of squares (meaning both 4 and 9 are squares and it is subtraction) this one is easy, just square the parenthasis and seperate them  to get

4(2x+3)(2x-3)

I hope I've helped!

dezoksy [38]3 years ago
3 0

Answer:

16 +(2 * 36)

Step-by-step explanation:

Is this multiple choice if it is what are the choices?

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The wheels on Jason’s dirt bike measure 19 inches in diameter. How many revolutions will the wheels make when Jason rides for 50
Svetradugi [14.3K]

Answer:

101 revolutions

Step-by-step explanation:

Given: The diameter of the bike wheel is 19 inches.

We need to find the circumference of the wheel.

The circumference of the wheel = πd

π = 3.14 and d = 19

Now plug in these values in the above formula, we get

The circumference of the wheel = 3.14*19

= 59.66 inches

We need to find number of revolutions of wheel to cover the distance of 500 feet.

Now we have to convert 500 feet to inches.

1 foot = 12 inches.

500 feet = 500 *12 = 6000 inches.

The number of revolution = 6000 / 59.66

= 100.56

When we round of to the nearest whole number, we get 101

To cover the distance of 500 feet, the wheel must be rotate 101 times.

8 0
4 years ago
14. A right cone has a height of 14 in and a base diameter of 17 in.
Mars2501 [29]

Given:

The height of a right cone = 14 in

Base diameter = 17 in

To find:

The diagram of the cone and its lateral surface area.

Solution:

(a)

The diagram of a right cone with height 14 in and base diameter of 17 in is shown below.

Diagram is not to scale.

(b)

We know that lateral surface of the cone is

A=\pi rl

A=\pi r\sqrt{r^2+h^2}              ...(i)

Where, r is the base radius, h is vertical height and l is the slant height of the cone.

Base radius of the cone = \dfrac{\text{Base diameter}}{2}

r=\dfrac{17}{2}

r=8.5

Now,

Putting r=8.5, h=14 and π=3.14 in (i), we get

A=(3.14)(8.5)\sqrt{(8.5)^2+(14)^2}

A=26.69\sqrt{72.25+196}

A=26.69\sqrt{268.25}

A=437.1379

A\approx 437

Therefore, the lateral surface area of the cone is 437 sq. inches.

5 0
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