Answer:
25)
arcQR=60°
26)
arcUWY=240°
27)
arcSU=112°
28)
arcSR=310°
hope it helps
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Answer:
To find the exact vale of atan(-sqrt(3)) we're going to need the help of a calculator
atan(-sqrt(3)) = -1.04719755 rads.
If you take a look at the important angles, you will notice that the arc is minus 60 degrees which equals -1.04716755 radians.
The rate of change is given as 10 per day--the number of cans the class plans to bring each day.
After 10 days at that rate, the change will be 10*10 = 100. Since the total after 10 days is 205, we compute the initial value as 205 -100 = 105. This is the number the teacher already had.
cans = 10*days +105
Step-by-step explanation:
The sum is 1225
Solution :
The numbers from 150 to 200 divisible by 7 are 154,161 ,168,…., 196
Here, a=154,d=7a=154,d=7 and tn=196tn=196
tn=a+(n−1)dtn=a+(n-1)d …(Formula )
∴196=154+(n−1)×7∴196=154+(n-1)×7 …(Substituting the values )
∴196−154=(n−1)×7∴196-154=(n-1)×7
∴427=n−1∴427=n-1 ∴n−1=6∴n-1=6 ∴n=7∴n=7
Now, we find the sum of 7 numbers.
Sn=n2[t1+tn]Sn=n2[t1+tn] ...(Formula )
=72[154+196)=72[154+196)
=72×350=72×350
=7×175=7×175
=1225
Answer:
A=1/2bh
A=1/2(2)(4)
A=1/2(8)
A=4
Step-by-step explanation:
Area is 4units²
