What is 3/7 plus 3/5 in fraction form?

2 answers:

8 0

Least Common Factor(LCM) of 5 and 7: 35

7*5=35
5*7 = 35

Factor of 5 and 7

3/7 + 3/5 = 15/35 + 21/35 = 36/35 = $1 \frac{1}{35}$

mixas84 [53]3 years ago

5 0

The first thing you're gonna do is find common denominators:
3/7 + 3/5 now becomes 15/35 + 21/35
Then add the numerators together:
15+21/35
This gives you your answer 36/35, simplify it and you get 1 1/35.
Hope this helps!:)

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Solve the following equation: lim x->0 sin3x/5x^3-4x.

goblinko [34]

Usual limit of sin is sinX/X--->1, when X--->0

sin3x/5x^3-4x=0/0?, sin3x/3x--->1 when x --->0, so sin3x/5x^3-4x= [3x. sin3x / 3x] /(5x^3-4x)=(sin3x / 3x) . (3x/5x^3-4x)
=(sin3x / 3x) . (3/5x^2- 4)
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3 0

3 years ago

A 20ft ladder is leaning against a house. The bottom of the ladder is 3 ft from the house. To the nearest tenth of a foot, abou

Tasya [4]

Answer: 19.8 ft

Step-by-step explanation:

Use the Pythagorean Theorem formula to solve for how high the top of the ladder reach.

The formula says a^2 + b^2 = c^2

Where a and b are the two legs and C is the hypotenuse.

In this situation, the hypotenuse will be length of the ladder , and either a or b will be the length of the ladder from the building or the length of how long the ladder.

a will be 3 , and c will be 20. Input in the values into the formula and solve for b.

3^2 + b^2 = 20^2

9 + b^2 = 400

-9 -9

b^2 = 391

b = $\sqrt{391}$