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Reil [10]
3 years ago
14

How many lines of reflectional symmetry does the regular hexagon have?

Mathematics
1 answer:
Rainbow [258]3 years ago
7 0

A regular hexagon has 3 lines of reflectional symmetry: 2 diagonal, 1 horizontal, and 1 vertical.

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HELPPPPPPPPPPP<br> Draw the graph of y = 2x + 3 on the grid
topjm [15]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

y=2x+3

This is the equation of the line

To graph a line we need two points

<em>Find the intercepts</em>

1) The y-intercept is the value of y when the value of x is equal to zero

For x=0

y=2(0)+3

y=3

The y-intercept is the point (0,3)

2) The x-intercept is the value of x when the value of y is equal to zero

For y=0

0=2x+3

x=-3/2=-1.5

The x-intercept is the point (-1.5,0)

To draw the graph of the line plot the intercepts and join the points

using a graphing tool

see the attached figure

3 0
3 years ago
The velocity v and maximum height h of the water being pumped into the air are related by the equation v=\sqrt(2gh) where g is t
Whitepunk [10]

The velocity v and maximum height h of the water being pumped into the air are related by the equation

v= \sqrt{2gh}

where g = 32

(a) To find the equation that will give the maximum height of the water , solve the equation for h

v= \sqrt{2gh}

Take square root on both sides

v^2 = 2gh

Divide by 2g on both sides

\frac{v^2}{2g} = h

So maximum height of the water h = \frac{v^2}{2g}

(b) Maximum height h= 80

velocity v= 75 ft/sec

Given g = 32

h = \frac{v^2}{2g}

h = \frac{75^2}{2*32}

h= 87.89 ft

The pump withe the velocity of 75 ft/sec reaches the maximum height of 87.89 feet. 87.86 is greater than the maximum height 80 feet.

So the pump will meet the fire department needs.

8 0
3 years ago
HELP!!!!!!! 5 STARS PLEASE HELPPPP
denis23 [38]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Why do you need to calculate mean, or modo of a set of data?
goldfiish [28.3K]
To find the average of the data
3 0
3 years ago
PLEASE HELP ASAP!!!
MAVERICK [17]

Answer:

y - 2, 3, 4, 5

Hope this helps :)

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2 years ago
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