2 years ago

Which relation is not a function? Reporting wrong answers.

Mathematics

1 answer:

Aleks [24]2 years ago

6 0

Answer:

C im pretty sure dont report me tho

Step-by-step explanation:

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Mrs.Tampo has 17 students in her class last year and this year she had 25 students in math class what is the percent of change

Alla [95]

Answer:

32% decrease

Step-by-step explanation:

Solution:

Calculate percentage change

from V1 = 25 to V2 = 17

so:

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2 years ago

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A car rental company rented out 8 cars in its first month. The number of cars it rented doubled each month. What was the total n

skad [1K]

The total number of cars rented for the first 5 months is
8 + 16 + 32 + 64 + 128 = 248

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2 years ago

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If A+B+C=<img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="\pi" alt="\pi" align="absmiddle" class="latex-formula"

seraphim [82]

Answer:

$a + b + c = \pi \\ = > c= \pi - a - b \\ < = > \tan(c) = \tan(\pi - a - b) = -\tan(a + b)$

Step-by-step explanation:

we have:

$\tan(a) + \tan(b) + \tan(c) \\ = \tan(a) + \tan(b) - \tan(a + b) \\ = \tan( a) + \tan(b) - \frac{ \tan(a) + \tan(b) }{1 - \tan(a) \tan(b) } \\ = \frac{ ( \tan(a) + \tan(b) ) \tan(a) \tan(b) }{ \tan(a) \tan(b) - 1 } (1)$

we also have:

$\tan(a) \tan(b) \tan(c) \\ = - \tan(a) \tan(b) \tan(a + b) \\ = \frac{ -(\tan( a ) + \tan(b) ) \tan(a) \tan(b) }{1 - \tan(a) \tan(b) } \\ = \frac{( \tan(a) + \tan(b)) \tan(a) \tan(b) }{ \tan(a) \tan(b) - 1 } (2)$

from (1)(2) => proven

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2 years ago

Which story problem could be solved using the given equation?

ddd [48]

Answer:

D. Jasmine bought some tiles to put around her patio. Each tile has a length of 23 feet and a width of 15 feet. What is the area, in square feet, of each tile?

Step-by-step explanation:

Area= Length x Width

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2 years ago

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Explain how solving an equation with several variables is similar to and different from the

matrenka [14]

Answer:

Step-by-step explanation:

To solve an equation for a particular variable, we can perform the same actions we did when solving equations that only had one variable. We can add the same number to both sides, multiply both sides by the same number, etc.

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2 years ago