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liraira [26]
3 years ago
5

Can someone help me on this

Mathematics
1 answer:
balandron [24]3 years ago
6 0

Answer:

7

Step-by-step explanation:

→ Substitute x = -1 into - 5x + 2

-5 × -1 = 5

5 + 2 = 7

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in a hotel ,100 bulbs each of 60W are lightened for 6 hours a day and 40 fans each of 50Wvate run for 10 hours a day . calculate
alekssr [168]

Answer:

1680 kwhr

Step-by-step explanation:

See attached for explanation.  I converted watt*hr to kW*hr by dividing by 1000.

Fans Bulbs  

 40         100  

 50          60      W

  10            6       hours/day

20000 36000 W*hr/day

 30          30 days/month

600000 1080000    W*hr/month

  600      1080   kWhr/month

 

Total = 1680 kWhr/month

5 0
3 years ago
118 + 560 is the same as<br> 100 +
Fed [463]

Answer:

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Step-by-step explanation:

118

+560

answer:678

678-100=578

6 0
3 years ago
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givi [52]

Answer:  \frac{1}{16}

Step-by-step explanation:

Whenever an exponent is negative, you flip the solution.

For this, 2^4 = 2*2*2*2 = 4*4 = 16, however the exponent is negative, so flip 16 to get your final answer of \frac{1}{16}

5 0
2 years ago
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The sum of three consecutive integers is 33. Find the numbers.
Rufina [12.5K]

Answer:

A

Step-by-step explanation:

x+x+1+x+2=33

3x+3=33

3x=30

x=10

so x+1 =11

x+2 =12

5 0
3 years ago
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