1 answer:
Answer:
Step-by-step explanation:
<h3>Given AP </h3>
<h3>To find</h3>
<h3>Solution</h3>
a₁₂ = a + 11d = 62 a₂₀ = a + 19d = 102 <u>Subtract the first equation from the second one:</u>
<u>Find a:</u>
a + 11*5 = 62 a = 62 - 55 a = 7 <u>Find the sum of the first 20 terms:</u>
S₂₀ = 1/2*20(a + a₂₀) = 10(7 + 102) = 10(109)= 1090
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Given
Answer
Answer:
6:20
Step-by-step explanation:
There are 20 feet for the pig so that goes first and then the 6 feet of the chicken goes after since they are asking the number of feet for the pigs first and the feet of the chickens after.
Answer:
it should be 7.35 for each pizza, sorry if it's wrong
Step-by-step explanation:
95.55 divided by 13 is 7.35
5/2 ....................................
Answer:
64.53
Step-by-step explanation:
56.213 rounds to 56.21
7.983 rounds to 7.98
0.344 rounds to 0.34
Next you do 56.21 + 7.98 + 0.34 = 64.53