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Savatey [412]
3 years ago
8

Susan used 9 5/8 kilowatts of electricity to power her house for 5 1/2 hours. ON average, how many kilowatts did Susan use per h

our?
Mathematics
1 answer:
REY [17]3 years ago
6 0
The answer would be 1.75
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Find the sum of first 20 to terms of an ap in which d is equal to 7 and 20 second term is 149​
GuDViN [60]

Answer:

1370

Step-by-step explanation:

<h3>Given</h3>
  • AP with d= 7 and a₂₂ = 149
<h3>To find</h3>
  • Sum of first 20 terms
<h3>Solution</h3>

<u>First, let's get the value of the first term:</u>

  • aₙ = a + (n-1)d
  • a₂₂ = a + 21d
  • 149 = a + 21*7
  • a = 149 - 147
  • a= 2

<u>Next, let's find the sum of the first 20 terms</u>

  • Sₙ = 1/2n(2a+ (n-1)d)
  • S₂₀ = 1/2*20(2*2 + 19*7) = 10(4 + 133) = 10*137 = 1370

<u>Answer is</u> 1370

6 0
3 years ago
Read 2 more answers
What’s 50 1/3+ 50 1/3?
slega [8]

Answer:

100 2/3

Step-by-step explanation:

50+50=100

1/3+1/3=2/3

100+2/3= 100 2/3

4 0
3 years ago
Read 2 more answers
Please help!!!!! it's a word problem and I don't understand how to do it at all
andre [41]
7We can see that line NM = JK so NM also equals 10.
We know NL = 23 and NM = 10 therefore, ML = NL -NM  ML = 23 -13
ML = 10
The last thing to solve is the length of KL
KL = ML / sine 34
KL = 10 / 0.55919
KL = 17.9

Total fence length required = JK + KL + NL =
13 + 17.9 + 23
= 53.9 yards
Cost of Fencing = $3.50 * 53.9 =
<span> <span> <span> $188.65 </span> </span> </span>



8 0
3 years ago
This circle graph shows the type of condiments people used on their hamburgers.What percentage of people used relish?
erastova [34]
The answer is C; 25% use relish
7 0
3 years ago
Multiply (x + 1);<br> x + 1<br> 3+ + 2x+2<br> x +x+1<br> 2+2x+1
nika2105 [10]

Answer:

HI!!! I believe your answer is option a because it looks like your not multiplying anything so hope this helps:)

Step-by-step explanation:

7 0
3 years ago
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