D. QR and CD
I hope this helps. :)
Answer: 42
Step-by-step explanation:
Ok what you want to do is add all of them up and equal it to 180 because a triangle is 180 degrees .
Your equation should look like this
9x-3+22x+1+42-3x = 180
What you want to do first is combine all the x and numbers on the left side so it should look like this
1) 28x+40= 180
Then you want to subtract 40 on both sides so it will look like this
2)28x=140
You want to get x by it self so you divide 28 on both sides
3) x=140/28
4) x=5
Since you are finding c you have to insert 5 into x
1) 9(5)-3
2)45-3
Then your answer should be 42
Answer:
There are infinite vocabulary words that can be used in math, but i think these are the most commonly used.
Step-by-step explanation:
. parallel - equal- equidistant - collinear - symmetry - tangent.
. Lines- angles-circles - quadrilateral- circumference.
.Addition-subtraction-calculate- arithmetic - decimal-radius-diameter - center of gravity-centroid-equilateral- isosceles- height-median - perpendicular bisector- compass - protractor.
. Average- axis - coordinates-curve - cylinder - section - cosine- sine- multiplication - division - cube-cone- degree- divisor - dozen-ellipse - equation-numerical- even- odd - exponent- expression - corresponding - factor - factorial- factorization - fraction- geometry - algebra - graph - greater than - more - less- compare - integer- intersection - inequality - equality - identity - inverse - real - imaginary - irrational - rational- linear- mean- minus- plus- negative - positive - perimeter - parabola - parallelogram - quotient - radian- series-set- slope- sphere - solve - square root - symbol - volume-variable.
Answer:
The mean absolute deviation tells you how spread out or how clustered around the mean a set of data is. This is the variation in the data. To compare sets, a higher mean absolute deviation indicates that the data points are more spread out from the mean. A lower mean absolute deviation indicates data points are more clustered around the mean.
