Answer:
9)=95°
10)=120°
Step-by-step explanation:
9) = 10x+5 = -4+11x - vertically opposite
or, 5+4 = 11x-10x
or, x = 9
now
10x+5
= 10*9+5
= 90+5
= 95
9)= 95°
10)= soln
16x-4+31x-4=180-being cointerior
or, 47x-8=180
or, 47x= 188
so, x = 4
now
31x-4
= 31.4-4
=124-4
=120
10)=120°
Answer: Exact form; Decimal form; Mixed number form
Step-by-step explanation:
Exact form:
<u>66</u> = /3<u> 22</u>
15 5
Decimal form:
66 : 15 = 4.4
Mixed number form:
4 2/5
Answer:
9
Step-by-step explanation:
Summary: The range of a set of data is difference between the highest and lowest values. To find the range, first order the numbers from least to greatest. Then subtract the smallest value from the largest value in the set.
20/7 times 21/4 is 420/28, which is 15 simplified.
The area is 15 sq ft, or choice A