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3 years ago

The points earned by each choir team during the All-State Competition are as follows:

Mathematics

1 answer:

gavmur [86]3 years ago

8 0

130.1 because 1 rounds down to 0 it isn't over 5

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(-8x-3)- -5 i need work shown i don't know how to do this one

lawyer [7]

The answer for this problem is -8x+2

3 0

3 years ago

How do I find the derivative of 2(f(x)+g(x))?

kramer

$\bf 2[f(x)+g(x)]\implies 2f(x)+2g(x)\implies 2\cfrac{df}{dx}+2\cfrac{dg}{dx}\\\\
-------------------------------\\\\
\cfrac{1}{2}\left[ f(x)\cdot g(x) \right]\implies \cfrac{1}{2}\left[ \stackrel{product~rule}{\cfrac{df}{dx}\cdot g(x)+f(x)\cdot \cfrac{dg}{dx}} \right]
\\\\\\
\cfrac{1}{2}\cdot \cfrac{df}{dx}\cdot g(x)+\cfrac{1}{2}\cdot \cfrac{dg}{dx}f(x)$

8 0

4 years ago

Read 2 more answers

In 1990, the profit of the Gamma company was $11.900,848. Each year after 1990profits fell by \$48,263 on average Construct a li

Marina86 [1]

Answer:

$10452958

Step-by-step explanation:

Initial profit = $11900848

Fall rate= $48263 per year

Equation:

P(x)= 11900848 - (x-1990)*48263,

where P(x)= profit at year of x, and 1990<x<2020

P(2020)= 11900848- 30*48263= $10452958

4 0

4 years ago

Can anyone answer this question for me and also if you’re able to give me the explanation on how to solve it also. PLEASE.

photoshop1234 [79]

Answer:

 First option=$13950 is correct.

Why?

Total other cost =$15500

10% saving on other cost

=10% × $15500

=$1550

So total cost target on other cost for next month

=$15500-$1550

=$13950

8 0

3 years ago

State whether the decay is linear or exponential, and answer the associated question. The value of a car is decreasing by 9% p

Sunny_sXe [5.5K]

Answer:

Exponential
A(2)=$9109.10

Step-by-step explanation:

Since the value of the car decreases by a common factor each year, the decay is exponential.

An exponential decay function is of the form

$A(t)=A_0(1-r)^t$ where:\\Initial Value, A_0=\$11,000\\$Decay Factor, r=9%=0.09$

Therefore, the function modeling the car's decay is:

$A(t)=11000(1-0.09)^t$

We want to determine the car's value in two years.

When t=2

$A(2)=11000(1-0.09)^2\\A(2)=\$9109.10$

The value of the car in 2 years will be A(t)=$9109.10

7 0

3 years ago