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Virty [35]
3 years ago
6

How do you add 3 fractions of different denominators

Mathematics
2 answers:
dimulka [17.4K]3 years ago
5 0

Step 1: Find the Lowest Common Multiple between the denominators.

Step 2: Multiply the numerator and denominator of each fraction by a number (the one that will get them to the lcm) so that they have the LCM as their new denominator.

Step 3: Add or subtract the numerators and keep the denominator the same.

FrozenT [24]3 years ago
3 0
First, then the denominations the same! So, find a product (which is a answer to a multiplication problem) that both numbers can go in! then change the numerator also, by the same multiplication, and then u add! Remember that before u add fractions, u always need to have same denominators!
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HI everyone, this questions last part is hard, I promise to give BRAINLIEST to the first correct answer, and I always keep up my
sertanlavr [38]

\huge\underline{Answer ☘}

a) students that travel to school by car = 14

students that do not travel to school by car = 11

total number of students = 14 + 11 = 25

percentage of students that do not travel by car =

\frac{11}{\cancel{25}}  \times \cancel{100} \\  \\  =  > 11 \times 4 \\  =  > 44\% \\

<h2>—————————————</h2>

b) 3 since we've 4 such cars in which 2 students travel , which gives us 8 students. then we've 1 car in which 3 students travel . adding them up , we get 8 + 3 = 11 students.

we've to find the number of cars that carry just 1 student.

this can be found by ,

14 - 11 = 3 cars

<h2>—————————————</h2>

c)

mean \:  =  \:  \frac{sum \: of \: observations}{total \: number \: of \: observations}  \\  \\ mean \:  =  \frac{8}{6}  =>  \frac{4}{3}  \\ \\   =  > 1.33

hope helpful ~

8 0
2 years ago
Alan made $396 for 18 hours of work. At the same rate, how much would he make for 11 hours of work?
wel

Answer:

Step-by-step explanation:

I think it is helpful to set this up as a proportion as it is the easiest way in my opinion.

1st step: 396/18 and x/11

This is the way you set up the proportion.

2nd Step: You would have to multiply 396 and 11 then divide the value by 18.

396x11 = 4,356

4,356/18 = 242

x=242 Dollars

Answer: 242 dollars

Therefore, Alan would make 242$ while working at the same rate for 11 hours.

8 0
3 years ago
Which expressions are equivalent to (5g+3h+4) •2
timama [110]

Step-by-step explanation:

Unfortunately you didn’t provide the expressions to chose from

however, we can write :

(5g+3h+4) •2 = 2*5g + 2*3h + 2*4  (using distributive property)

                     = 10g + 6h + 8.

5 0
3 years ago
Steve provides lawn care services in his neighborhood. For each lawn he charges a flat fee of 6 dollars for clean up and 10 doll
Taya2010 [7]

Answer:

c(h) = 6 + 10h

Step-by-step explanation:

We are given the following in the question:

Flat fee = 6 dollars

Charges per hour = 10 dollars per hour

Let Steve work for h hours.

Then, we can write the total charge in the following manner:

Total charge =

=\text{Flat fee} + (\text{Number of hours}\times \text{Charges per hour})

Putting values, we get,

c(h) = 6 + 10h

is the required equation for total charges if Steve worked for h hours.

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3 years ago
Is it ASA , SSS, AAS, SAS!! Help
Sonja [21]

Answer:

490

Step-by-step explanation:

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3 years ago
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