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skelet666 [1.2K]
4 years ago
6

Solve using factoring n2 - 7n = 0

Mathematics
2 answers:
svet-max [94.6K]4 years ago
5 0
The answer is n=0,7 !!
11Alexandr11 [23.1K]4 years ago
4 0

Answer:

Step-by-step explanation:

n^2-7n is n(n-7). So n(n-7) = 0. We know n can be zero because 0* anything is 0. It could also be 7 because we are looking to multiply by 0. So to get a zero in the parentheses. you would do 0+7. Which is obviously, 7

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Please help marked brainliest if correct.
solmaris [256]

Answer: Michael is 72.

hope this helps

Step-by-step explanation:

Let Brandon be b. Then Michael is 3g.

3g-18=9(b-18)

3g-18=9g-162

6g=144

b=24

3g=72

5 0
3 years ago
Translate: 6 less than twice a number
Basile [38]

Answer:

2x-6

Step-by-step explanation:

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6 less than twice a number is

6 less than 2x and that is

2x-6

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3 years ago
√13= what does it equal
motikmotik
About 3.606, if you round it.
7 0
3 years ago
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PLEASE HELP ASAP I'LL GIVE. BRAINLIEST
AleksandrR [38]
It would be B. 28 square yards
6 0
3 years ago
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A roof repairman charges a $60 consult fee, and then $45 per hour to complete repairs. if the homeowner pays a total of $195, ho
Thepotemich [5.8K]

The time spent by the repairman there will be 3 hours so the correct answer is option D.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Given that:-

A roof repairman charges a $60 consult fee, and then $45 per hour to complete repairs. if the homeowner pays a total of $195.

The time will be calculated as:-

Total amount =  $195

Now the fixed consulting cost will be $60 and will be deducted from the

total amount.

Variable cost = 195 - 60 = 135

The $45 per hour charge so for $145 the time will be:-

Time = 135 / 45

Time =  3 Hours

Therefore the time spent by the repairman there will be 3 hours so the correct answer is option D.

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2 years ago
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