I don't even know this

Answers

Answer 1

Answer: To find the circumference of the semicircle, first multiply the diameter, 2, by pi, or 3.14. 2*3.14 = 6.28. This is the circumference of the hypothetical full circle, which we must divide by 2 because it is a semicircle! So the circumference is 3.14. Now, find the perimeter of the rectangular portion, which is 5+5+2 = 12. Now, add.
3.14 + 12 = 15.14.
The answer is d. 15.14 ft.
Hope that helped you.

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What is 60/100 simplified

Answers

60/100=3/5 (decimal:0.6)
=6/10----> divide 6 by 2 and 10 by 2.
=3/5----> divide 3 and 5
=0.6-----> Simplify

60/100 = 6/10
Then you can simplify that to 3/5
Hope i helped

PLEASE HELP!!!!!!!!The system of equations is inconsistent. What are the missing values?

5x+____y=2
____x+3y=8

Answers

$5x+ay=2 \nbx+3y=8$

Write it in the y=mx+b form.

$ay=-5x+2 \n3y=-bx+8 \n \ny=-(5)/(a)x+(2)/(a) \ny=-(b)/(3)x+(8)/(3)$

The system will be inconsistent when the equations describe two parallel lines.
Two lines are parallel when their slopes are identical.
$-(5)/(a)=-(b)/(3) \nab=(-5) * (-3) \nab=15$

Also they can't be the same line, so the y-intercepts must be different.
$(2)/(a) \not= (8)/(3) \n8a \not= 2 * 3 \n8a \not= 6 \na \not= (6)/(8) \na \not= (3)/(4)$

So for every value of a and b such that ab=15 and a≠3/2 this system of equations is inconsisent.

It can be:
$5x+5y=2 \n3x+3y=8$
or
$5x+15y=2 \nx+3y=8$
or
$5x+(1)/(2)y=2 \n30x+3y=8$
etc.

HELP!!!! Please?! Solve the equation below, and check the solution. -6x+7=79 the solution set is? BRAINLIEST ANSWER

Answers

Alright so, in order to solve an equation, you must have the unknown by itself.

So, we first subtract 7 from both sides and get a new equation.

-6x = 72

Now we divide by -6 so that x is by itself.

x = -12.

Now, -12 is a *possible* solution to the equation. The way to find out is to check. Checking the answer means "plugging in" the number into the equation, and seeing if it solves. so.

-6 * -12 + 7 = 79

72 + 7 = 79

79 = 79

So, since the answer checked out, -12 is a solution to the equation.

Hope this helps.

What is 1.794 round to the nearest hundredths