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3 years ago

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4vir4ik [10]3 years ago

5 0

I MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGE

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A consult needs to make at least $600 this week she earns $120 for each new piece and $60 for each review which of the following

inessss [21]

The consult must make at least 600 dollars. That means the combination of reviews and new written pieces must be at least $600, or greater than or equal to (<span>≥) $600.

You are also told that each new piece = $120 and each review = $60. Let's use variables n = new piece and r = review. (You might be given different variables for your answer choices). That means the total money made from a combination of new pieces and reviews is:
120n (money made from each new piece times n number of new pieces) + 60r (money made from each review times r number of reviews).

Put that all together to get your inequality:
120n + 60r </span>≥ 600

-----

Answer: 120n + 60r ≥ 600

8 0

3 years ago

researchers are conducting a survey about what brand of ice cream shoppers prefer. they survey the tenth person who walks into t

RoseWind [281]

The store is conducting random sampling.

6 0

4 years ago

Read 2 more answers

Simply expression 1+5v+v

emmasim [6.3K]

Answer:

1 + 6v

Step-by-step explanation:

1+5v+v

Combine like terms

1 + 6v

5 0

4 years ago

Read 2 more answers

If f(x)f(x) is an exponential function where f(1.5)=5f(1.5)=5 and f(7.5)=79f(7.5)=79, then find the value of f(3)f(3), to the ne

stiv31 [10]

Answer: $7.93$

Step-by-step explanation:

Given

$f(x)$ is an exponential function. Suppose $f(x)$ is $ae^{bx}$

$f(1.5)=5\ \text{and}\ f(7.5)=79$

$\Rightarrow 5=ae^{1.5b}\\\Rightarrow \ln 5=\ln a-1.5b\quad \ldots(i)$

Similarly,

$\Rightarrow 79=ae^{7.5b}\\\Rightarrow \ln(79)=\ln a+7.5b\quad \ldots(ii)$

Subtract (i) and (ii)

$\Rightarrow \ln (79)-\ln (5)=9b\\\Rightarrow \ln (\frac{79}{5})=9b\\\\\Rightarrow b=\dfrac{\ln (\frac{79}{5})}{9}\\\\\Rightarrow b=0.3066$

Insert the value of $b$

$\Rightarrow 5=ae^{0.46}\\\Rightarrow a=5\times 0.6312\\\Rightarrow a=3.156\approx 3.16$

So, the function becomes

$\Rightarrow f(x)=3.16e^{0.3066b}$

$\Rightarrow f(3)=3.16e^{0.3066\times 3}\\\Rightarrow f(3)=7.927\approx 7.93$

4 0

3 years ago

Read 2 more answers

Becas goal is to practice piano for 20 minutes for every 5 minutes of lesson she takes if she takes a 20 minute piano lesson thi

Eduardwww [97]

Answer:

This week Beca will practice for 80 minutes for her 20 minutes piano lessons.

Step-by-step explanation:

Duration of Beca's practice for every 5 minutes lessons = 20 minutes

Duration of Beca's practice if she take 1 minute piano lesson:

$\frac{20 min}{5} = 4 minutes$

So, duration of Beca's practice if she takes 20 minutes of piano lessons:

$20\times 4minutes=80 minutes$

This week Beca will practice for 80 minutes for her 20 minutes piano lessons.

3 0

3 years ago