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wel
3 years ago
12

Given f(x) = 2x + 2, solve for x when f(x) = -4Anyone know the answer? ​

Mathematics
1 answer:
Allushta [10]3 years ago
3 0
X=-2 I’m pretty sure that’s the answer! :)
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KIM [24]

Answer:17

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8 0
3 years ago
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Mitchell took out a loan for $1100 at a 19.2% APR, compounded monthly, to
nevsk [136]

Answer:

The total number of the payments is 18 ⇒ answer A

Step-by-step explanation:

* Lets revise the rule of compounded monthly payment

→ EMI=\frac{(A)(r)}{[1-\frac{1}{(1+r)^{n}}]}, where

- A is the loan amount

- r is monthly interest in decimal (R/12*100))

- n the total number of payments

∵ A = $1100

∵ EMI = $71.5

- Interest rate is 19.2% APR

∵ r = \frac{19.2}{12*100}=0.016

- Substitute these values in the rule to find n

∴ 71.5 = \frac{1100(0.016)}{[1-\frac{1}{(1+0.016)^{n}}]}=\frac{17.6}{[1-\frac{1}{(1.016)^{n}}]}

- By using cross multiplication

∴ 71.5[1 - \frac{1}{(1.016)^{n}} ] = 17.6

- Divide both sides by 71.5

∴ 1 - \frac{1}{(1.016)^{n}} = \frac{16}{65}

- Subtract 1 from both sides

∴ - \frac{1}{(1.016)^{n}} = - \frac{49}{65}

- Multiply both sides by -1

∴ \frac{1}{(1.016)^{n}} = \frac{49}{65}

- By using cross multiplication

∴ 49[ (1.016)^{n} ] = 65

- Divide both sides by 49

∴ (1.016)^{n} = \frac{65}{49}

- Insert log for both sides

∴ ㏒ (1.016)^{n} = log( \frac{65}{49} )

- Put n in-front of the ㏒

∴ n㏒(1.016) = ㏒( \frac{65}{49} )

- Divide both sides by ㏒(1.016)

∴ n = 17.8 ≅ 18

* <em>The total number of the payments is 18</em>

5 0
4 years ago
Please help!! 10 extra points
Igoryamba
HEY THERE !!

As we know that cotx= 1/tanx

cot36° = 1/tan36°

=>cot36°= 1/0.726543

=>so cot 36°= 1.376382

So correct answer is option D.


HOPR YOU LIKED.
7 0
3 years ago
PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/ BEST ANSWER
mrs_skeptik [129]

The answer is D. (4,2,-3)


See picture for solution:




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3 years ago
Which equation requires the multiplication property of equality to be solved?
prohojiy [21]

Answer:

201.6 = 11.2f

Step-by-step explanation:

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