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3 years ago

What is the least common denominator for 2/5 + 3/7

Mathematics

2 answers:

-BARSIC- [3]3 years ago

6 0

Answer:

Step-by-step explanation:

SIZIF [17.4K]3 years ago

4 0

Answer:

Step-by-step explanation:

both are prime. so multiply each other to find the common denominator. 5x7 is 35. 10/35 plus 21/35 is 31/35 which cannot be reduced any further so yes

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Find f^-1(x) and it’s domain.

Mrac [35]

Answer: A

Step-by-step explanation:

Letting $f(y)=x$ ,

$x=\sqrt{y}-5\\\\x+5=\sqrt{y}\\\\y=(x+5)^{2}$

Also, the domain of an inverse is the same as the range of the original function, so the range is $x \geq 0$

7 0

1 year ago

I need help please.

Mumz [18]

Answer:

the result is : 14x + 27

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3 years ago

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Rectangle A has length 3 and width 5. Rectangle B has length 12 and

galina1969 [7]

Answer:

Yes, the scale factor is 4.

Step-by-step explanation:

If you times the length, 3, and the width, 5, by 4, you'll get 12 as your length and 20 as your width.

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2 years ago

How many twenty-fourths would five sixths equal

qwelly [4]

$n\cdot \frac { 1 }{ 24 } =\frac { 5 }{ 6 } \\ \\ 24\cdot n\cdot \frac { 1 }{ 24 } =\frac { 5 }{ 6 } \cdot 24$

$\\ \\ n=\frac { 5 }{ 6 } \left( 20+4 \right) \\ \\ n=\frac { 100 }{ 6 } +\frac { 20 }{ 6 } \\ \\ n=\frac { 120 }{ 6 } \\ \\ n=20$

The answer you are looking for is 20.

4 0

3 years ago

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One hundred and sixty-two thousandths as a decimal

lapo4ka [179]

Answer:

100.062

Step-by-step explanation:

100 + 62/1000 = 100 + 0.062 = 100.062

8 0

2 years ago

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