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REY [17]
3 years ago
9

Find measure of angle labeled X

Mathematics
2 answers:
trasher [3.6K]3 years ago
7 0
Is it number15?
then it is 
3x = 180
x = 60
x will be 60
Aliun [14]3 years ago
6 0
X=60 because 60 times 2 is 120 and it is added to 60 which totals up to 180 which is a supplementary angle
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Question:Find the area of he trapezoid by decomposing it into other shapes.
Ad libitum [116K]

Answer:

D) 171 cm²

Step-by-step explanation:

You don’t actually need to decompose it.  You could just do it as a trapezoid:

(15+23)/2=19

19x9=171

If you want to decompose it into 2 triangles and a rectangle:

10=15x9=135

1/2(3)(9)=13.5

1/2(5)(9)=22.5

135+13.5+22.5=171 also

8 0
3 years ago
What is the sale price 45% of 69.50
Zolol [24]
   x         55
-------- = ---------
69.50     100

69.50*55= 3822.5
3822.5/100= 38.225
x=$38.22
5 0
3 years ago
Mr. Rogers recorded the height of 15 students from two of his classes. Based on these samples, what generalization can be made?
Sati [7]
You are not giving enough information but in one of the calsses the average of student's height might be greater than the other class beacause one of the two classes needs to have 1 extra person than the other calss
6 0
3 years ago
Please help me if you are good at math!
Zanzabum
Answers:
1, 6, 36, 216: Geometric
12, 4, -4, -12: Arithmetic
1, 2, 8, 64: Neither
-216, -72, -24, -8: Geometric

Explanations:
Arithmetic Sequence: Every number in the sequence is either added or subtracted by the same number. We know that 12, 4, -4, -12 is arithmetic because each number in the sequence is subtracted by 8.

Geometric Sequence: Every number in the sequence is either multiplied or divided by the same number. We know that 1, 6, 36, 216 is geometric because each number in the sequence is multiplied by 6. We also know that -216, -72, -24, -8 is geometric because each number in the sequence is being divided by 3.

Neither: 1, 2, 8, 64 is neither because it is not being added, subtracted, multiplied, or divided by the same number.

I hope this helped!
4 0
3 years ago
I need the answer fast
4vir4ik [10]

Answer:

300ft

Step-by-step explanation:

did the math .....

5 0
3 years ago
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