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3 years ago

The perimeter of a regular hexagon is 42a + 18.

Mathematics

1 answer:

Rudik [331]3 years ago

5 0

P = 6s

42a +18 = 6s

s = 7a + 3

s is the side of hexagon

p is the perimeter of the hexagon

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working together, shawn and hector can install a tile floor in 6 hours. it would take shawn 9 hours to do the job alone. what is

Vikki [24]

First, let x be the number of hours it will take for Hector to finish the same job alone. This means that every hour, Hector can do 1/x of the job. The amount of work done by Shawn and Hector in 6 hours should be equal to 1 complete work. This can be expressed as,
(1/9 + 1/x)(6) = 1
The value of x is 18. Thus, Hector can to 1/18 of the job in one hour.

8 0

4 years ago

Read 2 more answers

Two planes just took off from St. Louis, MO. The first plane is traveling 3.5 times as fast as the second plane. After Traveling

Yanka [14]

Answer:

Speed of first plane is 350 miles per hour

Speed of second plane is 100 miles per hour

Step-by-step explanation:

Let the speed of the second plane be X

Then the speed of the first plane will be 3.5 X

Distance travelled by first plane is 9.5 *X

Distance travelled by second plane is 9.5 * 3.5 X

Difference of distance between the two plane is

$9.5 * 3.5 X - 9.5 *X = 2375\\23.75 X = 2375\\X = 100$ miles per hour

Speed of first plane is 3.5 *100 = 350 miles per hour

Speed of second plane is 100 miles per hour

8 0

3 years ago

Find the output, hhh, when the input, ttt, is 353535.

kow [346]

9514 1404 393

Answer:

Step-by-step explanation:

Put the value where t is and do the arithmetic.

h = 50 -t/5

h = 50 -35/5 = 50 -7 = 43

The output, h, is 43 when the input is 35.

4 0

3 years ago

5. (-8, 1) and (0, -5)<br>6. (-3,-8) and (2,7)<br> write both equations in slope intercept form

Cerrena [4.2K]

Slope-intercept form is as shown here: y = mx + b

(-8, 1) and (0, -5) in slope-intercept form will be y = -3/4x - 5

(-3, -8) and (2, 7) in slope-intercept form will be y = 3x + 1

6 0

3 years ago

Solve 4 over x minus 4 equals the quantity of x over x minus 4, minus four thirds for x and determine if the solution is extrane

Vinil7 [7]

I'm thinking this is what the problem looks like: $\frac{4}{x-4}= \frac{x}{x-4}- \frac{4}{3}$ . The first thing to do is to move the $\frac{x}{x-4}$ over to the other side because it has a common denominator with the other side. Doing that and at the same time combining them over their common denominator looks like this: $\frac{4-x}{x-4}= -\frac{4}{3}$ . The best way to solve for x now is to cross-multiply to get 3(4-x)=-4(x-4). Distributing through the parenthesis is 12 - 3x = -4x + 16. Solving for x gives us x = 4. Of course when we sub a 4 back in for x we get real problems, don't we? Dividing by zero breaks every rule in math that there ever was! So, yes, the solution is extraneous.

6 0

3 years ago