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andreyandreev [35.5K]
3 years ago
11

the lighting for a billboard is provided by solar energy. if 4 energy panels generate 10 watts of power, how many panels are nee

ded to provide 550 watts of power?
Mathematics
1 answer:
viktelen [127]3 years ago
3 0
10/4
To get then watts per panel
550 / the Watts per panel to get the number of panels need

Always round this up if necessary
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PLEASE HELP....
astraxan [27]

Answer:

Step-by-step explanation:

If you treat 90° as 1 unit on the graph, then

P(1,0) corresponds to (0,0) and (360,0) on the sin graph (say (0,0) though)

P(0,1) corresponds to (90,1) on the sin graph

P(-1,0) corresponds to (180,0) on the sin graph

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3 years ago
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Olegator [25]

Answer:

a) The Total fee, that Mike charges for 4 hours of instruction is $152

b) The total fee, that Tony charges for 4 hours of instruction is $148

c) The difference between total fee Mike and Tony charge for 4 hours of instructions is $4

Step-by-step explanation:

a) What is the total fee, that mike charges for 4 hours of instruction.

Mike charges $12 for travel expenses and $35 per hour for instruction.

So, the equation will be: y=35h+12 where h is number of hours and y is cost

Put h=4 and find cost

y=35h+12\\y=35(4)+12\\y=140+12\\y=152\\

So, the Total fee, that Mike charges for 4 hours of instruction is $152

b) What is the total fee, that Tony charges for 4 hours of instruction

Tony's fee can be modelled by C=32h+20 where h is number of hours and C is cost

Put h=4

C=32h+20\\C=32(4)+20\\C=128+20\\C=148

So, the total fee, that Tony charges for 4 hours of instruction is $148

c) What is the difference between total fee Mike and Tony charge for 4 hours of instructions.

Cost for Mike = $152

Cost for Tony = $148

Difference = 152 - 148 = 4

So, the difference between total fee Mike and Tony charge for 4 hours of instructions is $4

8 0
2 years ago
What the slope of -8,8 and 2,5
Ne4ueva [31]
<h3>Answer:</h3>

slope =  -  \frac{3}{10}

<h3>Step-by-step explanation:</h3>

the slope <em><u>(Picture 1)</u></em>

the slope of (-8 , 8) and (2,5) is

slope=  \frac{(8) - (5)}{( - 8) - (2)}

slope =  \frac{3}{ - 10}

slope =  -    \frac{3}{10}

<em><u>(See the graph in the </u></em><em><u>Picture</u></em><em><u> 2)</u></em>

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3 years ago
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IRINA_888 [86]
I think the answers 158 m
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2 years ago
There are 11 kids at a party. If there are 6 girls and 5 boys at the party, what fraction of the kids are girls?
AnnyKZ [126]

Answer:

fraction of girls = 6/11

Step-by-step explanation:

To find the fraction of girls, take the number of girls over the total number

fraction of girls = 6/11

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