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irina1246 [14]
3 years ago
12

What does 1/3 plus 1/7 equil?

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0
1/3 + 1/7 = ?
7/21 + 3/21 = 10/21
The answer is 10/21.
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A fraction reduces to 36 if its numerator is (6x)^5 what is it’s denominator
beks73 [17]

Set up an equation:

Numerator is the top number and denominator is the bottom number in a fraction.

(6x)^5 / d = 36

(6x)^5 can be rewritten as 6^5x^5

6^5x^5 / d = 36

Raise 6 tot he power of 5:

7776x^5 /d = 36

Multiply both sides by d:

7776x^5 = 36d

Divide both sides by 36:

d = 7776x^5 / 36

d = 216x^5

7 0
3 years ago
Which of the following expressions is in simplified form?
Rasek [7]

Answer:

The answer is 4w-5 its in its simplest form

6 0
3 years ago
A guy has a mix of one, five, and ten dollar bills. There are 27 bills in a jar for a total of $91. There are four times as many
olchik [2.2K]

Answer:

There are 7 five dollar bills in the jar.

Step-by-step explanation:

There are 7 because 16 + y + 4 = 27 → 20 + y = 27 → y = 7

3 0
3 years ago
Prove that:- (1-sinA)(1+sinA)÷(1+cosA)(1-cosA)=cot^2A​
astraxan [27]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

sin²x + cos²x = 1 , then

sin²x = 1 - cos²x and cos²x = 1 - sin²x

Consider the left side

\frac{(1-sinA)(1 + sinA)}{(1+cosA)(1-cosA)} ← expand numerator/denominator using FOIL

= \frac{1-sin^2A}{1-cos^2A}

= \frac{1-(1-cos^2A)}{1-(1-sin^2A)}

= \frac{1-1+cos^2A}{1-1+sin^2A}

= \frac{cos^2A}{sin^2A}

= cot²A = right side , thus proven

6 0
3 years ago
What is the product?
Sphinxa [80]

Answer:

[6 12 2]

[0 0 0]

[0 6 2]

Step-by-step explanation:

4 0
2 years ago
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