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3 years ago

What is 3 1/8 - 2 1/8 =

Mathematics

2 answers:

Zanzabum3 years ago

5 0

Answer: 1 is the answer

Step-by-step explanation:

Kay [80]3 years ago

3 0

Answer:

Step-by-step explanation:

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What's the equivalent ratio 15:3

fomenos

5:1 divide it by three

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4 years ago

What's the hcf and lcm of 5and 7

svetlana [45]

Answer:

gcf, hcf, gcd (5; 7) = 1: greatest (highest) common factor (divisor), calculated. Coprime numbers (relatively prime). Numbers have no common prime factors.

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3 years ago

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Prove that: (secA-cosec A) (1+cot A +tan A) =( sec^2A/cosecA)-(Cosec^2A/secA)<br>

Ksju [112]

Step-by-step explanation:

$(\sec A - \csc A)(1 + \cot A + \tan A)$

$=(\sec A - \csc A)\left(1 + \dfrac{\cos A}{\sin A} + \dfrac{\sin A}{\cos A} \right)$

$=(\sec A - \csc A)\left(1 + \dfrac{\cos^2 A + \sin^2 A}{\sin A\cos A} \right)$

$=(\sec A - \csc A)\left(\dfrac{1 + \sin A \cos A}{\sin A \cos A} \right)$

$=\left(\dfrac{\frac{1}{\cos A} - \frac{1}{\sin A}+\sin A - \cos A}{\sin A\cos A}\right)$

$=\dfrac{\sin A - \sin A \cos^2A - \cos A + \cos A\sin^2A}{(\sin A\cos A)^2}$

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

$=\dfrac{\sin^3A - \cos^3A}{\sin^2A\cos^2A}$

$=\dfrac{\sin A}{\cos^2A} - \dfrac{\cos A}{\sin^2A}$

$=\left(\dfrac{1}{\cos A}\right)\left(\dfrac{\sin A}{1}\right) - \left(\dfrac{1}{\sin^2A}\right) \left(\dfrac{\cos A}{1}\right)$

$=\sec^2A\csc A - \csc^2A\sec A$

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3 years ago

Write an algebraic expression

Law Incorporation [45]

Answer:

6x+25

Step-by-step explanation:

6 times a number. Let x represent that number.

It also says the to add 25 to the expression.

Add 25 to 6x.

6x+25

Hope this helps!

Please mark as brainliest if correct!

8 0

2 years ago

Please help!! 20 points! #18 a,b,c

AVprozaik [17]

A. 60 degrees
b. 45 degrees
c. 36 degrees

To find your answer, you simply divide 360 (degrees in a circle) by x (number of slices per pizza)

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3 years ago

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