3 years ago

Which of the following multiplication equations doesn't have the same solution as the others?

Mathematics

1 answer:

n200080 [17]3 years ago

3 0

The answer is option 2: 4b = 7. The other options all equal 4.

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Jungwon has $15. Notepads cost $2.50 each. How many notepads can Jungwon buy?

Artyom0805 [142]

15 divided by 2.50 is 6

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Which of the following would be an acceptable first step in simplifying the expression tanx/1+ secx

djverab [1.8K]

The acceptable first step in simplifying the expression $\mathbf{\frac{tan\ x}{1 + sec\ x}}$ is (a) $\mathbf{\frac{tan\ x(1 - sec\ x)}{(1 + sec\ x)(1 - sec\ x)}}$

The expression is given as:

$\mathbf{\frac{tan\ x}{1 + sec\ x}}$

To change the form of the expression, we simply perform several arithmetic operations on it.

Start by multiplying the expression by 1/1

$\mathbf{\frac{tan\ x}{1 + sec\ x} = \frac{tan\ x}{1 + sec\ x} \times \frac 11}$

Express 1 /1 as (1 - sec x)/(1 - sec x)

$\mathbf{\frac{tan\ x}{1 + sec\ x} = \frac{tan\ x}{1 + sec\ x} \times \frac{1 - sec\ x}{1 - sec\ x}}$

Rewrite the above expression as follows:

$\mathbf{\frac{tan\ x}{1 + sec\ x} = \frac{tan\ x(1 - sec\ x)}{(1 + sec\ x)(1 - sec\ x)}}$

Hence, the acceptable first step is (a)

Read more about trigonometry ratios at:

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2 years ago

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List from least to greatest 3/4 2/3 1/4 1/2

Aliun [14]

Least to greatest

1/4, 1/2, 2/3, 3/4

to check your work divide each of the fractions to see their decimals and that will determine which one is greater

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Vesnalui [34]

The answer is d

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Write the first 10 multiples of 2 and 3 and find LCM.

schepotkina [342]

Answer:

multiples of 2 2,4,6,8,10,12,14,16,18,20

multiples of 3 3,6,9,12,15,,18,21,24,27,30

Step-by-step explanation:

Lcm is 6

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