MATHEMATICS HIGH SCHOOL

21.21+13.22+-13.22 what is the answer

Answers

Answer 1
Answer:

Answer:

21.21

Step-by-step explanation:

=21.21+13.22+(-13.22)

=21.21+0

=21.21
Answer 2
Answer:

Answer: 47.65

Step-by-step explanation:

Hope this helps:)

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Keshawn is asked to compare and contrast the domain and range for the two functions.f(x) = 5x
g(x) = 5

Answers

For the function 5x, the range is the value of f(x) which is five times the x and the domain is the value of x which can be the ratio of f(x) and 5. For the second function which is g(x) = 5, the range is 5 all through out the graph while the domain is infinity.

Compare using <, >, or =.
7/9_____4/9

Answers

< is the answer , trust me
Think of fractions like a pizza pie, the more parts it's cut into the less everyone will have. 7/9 is smaller than 4/9 because of the remainder of what would be left over if this was actual pie. 

7/9 is less than (the first symbol) 4/9

What is the MAD of the data set?

{5, 12, 1, 6, 11}

Answers

So we want to find the MAD of the data set {5,12,1,6,11}. To do that first we need to find the mean value X. X=(5+12+1+6+11)/5=35/5=7. Now we have to find the distance d from the mean value for every number in the data set: d1=7-5=2, d2=12-7=5, d3=7-1=6, d4=7-6=1, d5=11-7=4. Now we can find the MAD: MAD=(2+5+6+1+4)/5=18/5=3.6

Answer:

3.6

Step-by-step explanation:

Show work.

Simplify 5! 3! / 2! 2!

Answers

Answer:

Simplify the expression.

Exact Form:

41/12

Decimal Form:

3.416

Mixed Number Form:

3  5/12

Which of these is the area of a sector of a circle with r = 18”, given that its arc length is 6π?a.54.00 in2B)113.10 in2C)169.65 in2D)339.29 in2

Answers

The formulas for arc length and area of a sector are quite close in their appearance.  The formula for arc length, however, is related to the circumference of a circle while the area of a sector is related to, well, the area! The arc length formula is AL= ( \beta )/(360) *2 \pi r.  Notice the "2*pi*r" which is the circumference formula.  The area of a sector is A s= ( \beta )/(360) * \pi r ^(2).  Notice the "pi*r squared", which of course is the area of a circle.  In our problem we are given the arc length and the radius.  What we do not have that we need to then find the area of a sector of the circle is the measure of the central angle, beta.  Filling in accordingly, 6 \pi = ( \beta )/(360) *2 \pi (18).  Simplifying by multiplying by 360 on both sides and then dividing by 36 on both sides gives us that our angle has a measure of 60°.  Now we can use that to find the area of a sector of that same circle.  Again, filling accordingly, A_(s) = (60)/(360) * \pi (18) ^(2), and A_(s) =54 \pi.  When you multiply in the value of pi, you get that your area is 169.65 in squared.

Geometry..they all look correct? But there isn't an all the above..so..

Answers

A is the incorrect answer cause all the others continue from the last letter unlike this one it does not so it doesn't continue the triangle
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