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DerKrebs [107]
3 years ago
13

Please show your work on this and I’ll mark you brainliest!!

Mathematics
1 answer:
larisa [96]3 years ago
4 0
F(x) = 3x^2 + 4x - 1

f(-3) = 3(-3)^2 + 4(-3) - 1

f(-3) = 3 * 9 - 12 - 1

f(-3) = 27 - 12 - 1

f(-3) = 15 - 1

f(-3) = 14
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15 points Help asap thanks so much
lyudmila [28]
The answer is inconsistent
5 0
3 years ago
Find the annual interest rate. Round your answer to the nearest hundredth of a percent. I=$160.67, P=$2000, t=8 monthsI=$160.67,
Keith_Richards [23]

Answer:

The annual interest rate is 12.05%.

Step-by-step explanation:

The simple interest is given by the formula:

I=\dfrac{P\times R\times T}{100}

Where I denotes interest.

P denotes the principal amount.

R denotes the rate of interest

and T denotes the time period.

I=$160.67, P=$2000, t=8 months=8/12 years (Since 12 months=1 year so 1 month=1/12 year)

160.67=\dfrac{2000\times R \times \dfrac{8}{12}}{100}\\\\R=12.05%

Hence, the annual interest rate is 12.05%.

5 0
3 years ago
Read 2 more answers
28+87 divided by 3•2 to the third power
erica [24]

Answer: =86

Step-by-step explanation:

* Hopefully the picture helps:) Mark me the brainliest:)

<em>∞ 234483279c20∞</em>

4 0
4 years ago
Read 2 more answers
Frankie descends 56 ft in 4 minutes. what is frankies average change in position per minute from which he started.
ArbitrLikvidat [17]

Answer:

14?

Step-by-step explanation:

6 0
4 years ago
A company makes and sells charm bracelets. The cost of producing x bracelets is represented by the function
Serggg [28]

P(x) = 12x – 180

Given:

A company makes and sells charm bracelets.

The cost of producing x bracelets is represented by the function C(x) = 180 +

8x

The revenue earned from selling x bracelets is represented by the function

R(x) = 20x.


Explanation of terms:

For x bracelets,

Cost of production is C(x); C(x) = 180 + 8x

Revenue earned is R(x); R(x) = 20x.Profit made is P(x); P(x) is unknown

Profit made = Revenue earned – Cost of production

∴ P(x) = R(x) – C(x)

P(x) = 20x – (180 + 8x)

P(x) = 20x – 180 – 8x

P(x) = 12x – 180

The profit made from selling x bracelets is represented by the function

<em> P(x) = 12x – 180</em>



8 0
3 years ago
Read 2 more answers
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