Who do you do the problem 7/9+1/7+3/5? please explain thoroughly.

Answers

Answer 1
Answer: to add fractions you want to make sure that the bottom numbers are the same so we have to make them the same, but we have to make sure that the fractions are unchanged so we get the correct answer

so if we find out what number that 9,7, and 5 can all multiply into. we find that 9 times 7 times 5 or 315 is the number that will work

so to get them to all be over 315, we must multiply each fraction by a form of 1/1 or x/x or (number)/(same numbe as on top)

so 7/9 times (35/35)=245/315
1/7 times (45/45)=45/315
3/5 times (56/56)=168/315

we add them togther
245/315+45/315+168/315=(245+45+168)/315=458/315
this simplifies to 1 and 143/315
Answer 2
Answer:

To add those fractions, you must find a common denominator for all of them. To find this, find a number that is a multiple of all three denominators.  Then, multiply the top of the fraction by the same number you multiplied to get the common denominator.  Finally you add all of the numerators together and keep the denomiator the same.

Example: 1/2+1/4+1/8

The demominators all are factors of the multiple 8.  Therefore, we will use 8.  Then, since we multiplied 2 by 4 to get eight for the first fraction, we will multiply the top number by 4 also. The new fraction will look like this: 4/8.  After you have done that to all of the fractions, the equation will look like this: 4/8+2/8+1/8.  Finally add all of the top numbers together and keep the denominator the same.  The answer would be 7/8

Hope this helped :)  Good luck



Related Questions

a point is reflected across the y-axis.then the reflected point is reflected across the x-axis.how will the coordinates of the final point be related to the coordinates of the original point?
A class made equal teams of 5 for basketball,and equal teams of 6 for volleyball.Each student in the class was on a team.How many students might be in the class
a stack of quarters is 5 mm. how many quarters are in a stack that is 5 cm tall? show the steps you took and explain your answer
Which expression is equivalent to 8x-2y+x+x=
Two places are 4.7 cm apart on a map.On the map 1 cm represents 5 km. What is the actual distance between the two places?

The polygon ABCD was rotated 60° about point P as shown. Which best describes this rotation?





A.
1/6 turn clockwise


B.
1/6 turn counterclockwise


C.
1/3 turn clockwise


D.
1/3 turn counterclockwise

Answers

the answer is B.1/6 turn counterclockwise. why? well it is moving to the left and the clock moves to the right not the the left so that means it is counter clockwise. now to find out if it is 1/3 or 1/6 the circle has 360 degrees, and we already moved 60 so how much is 60 from 360 divide to find out 360/60=6. and since it is only one part it is 1/6 so B is your answer.

(3+root3)(3-root 2) is equal to


Its really urgent

Answers

Answer:

9 -3√2 + 3√3 - √6

Step-by-step explanation:

Use Foil (First Outside Inside Last)

(3 + √3)(3 - √2)=

9 -3√2 + 3√3 - √6

Solving inequalities. x-3<(-2)

Answers

Isolate the x. Add 3 to both sides

x - 3 (+3) < -2 (+3)

x < -2 + 3

Simplify

x < (-2 + 3)

x < 1

x < 1 is your answer

hope this helps

A Ferrari drove 300 kilometers in one and a half hours. How fast was the car going?

Answers

124.27 miles per hour

Lines b and c are parallel. What is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Answers

Answer:

m2 = 50

Step-by-step explanation:

7x+1+18x+4=180

25x+5=180

25x=175

x=7

m2= 7(7)+1 = 50

Answer:

2.  m\angle 2=50^(o)

Step-by-step explanation:  

We have been given that lines b and c are parallel.

Since we know that vertical angles are always congruent. We can see that measure of angle 2 will be equal to (7x+1)^(o) as it is the measure of vertical angle of angle 2.  

We can see that (7x+1)^(o) and (18x+4)^(o) form a linear pair, so they will add up to 180 degrees.  

18x+4+7x+1 =180  

25x+5=180

25x=180-5

25x=175

x=(175)/(25)

x=7

Now let us substitute value of x in the expression (7x+1)^(o) to find the measure of angle 2.  

m\angle 2=7x+1

m\angle 2=7* 7+1

m\angle 2=49+1

m\angle 2=50

Therefore, the measure of angle 2 will be 50 degrees and 2nd option is the correct choice.

79% of 67 miles is what?

Answers

79% of 67 miles is approximately 52.93 miles as per the concept of percentage.

To find 79% of 67 miles, we can use the concept of percentage as a fraction of a whole.

When we say "79% of 67 miles," we are asking for 79% of the total distance of 67 miles.

To calculate this, we convert the percentage to a decimal by dividing it by 100: 79% = 79/100 = 0.79.

Now, to find 79% of 67 miles, we multiply the decimal (0.79) by the total distance (67 miles):

0.79 x 67 miles = 52.93 miles

Therefore, 79% of 67 miles is approximately 52.93 miles.

In conclusion, when we talk about a percentage of a quantity, it represents a proportion of the total. In this case, 79% of 67 miles means 79% of the total distance of 67 miles, which is calculated by converting the percentage to a decimal and then multiplying it by the total distance. The result is approximately 52.93 miles.

To learn more about the percentage;

brainly.com/question/24159063

#SPJ6

52.93 to find 9% you divide 67 by 100 = 0.67 and times by 9 = 6.03 then to find 70% you divide by 10= 6.7 and times by 7 = 46.9 and lastly you you add 6.03 + 46.9 tada