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Semmy [17]
3 years ago
6

Evaluate 3a-2b when a =-4 and b=-1

Mathematics
1 answer:
TEA [102]3 years ago
7 0
Just plug in answers... its -12--2 which becomes -12+2 and you get
10
Hope this helps you!!!
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Write 11760825 in word form
igor_vitrenko [27]
11 million seventy six thousand eight hundred twenty five
4 0
4 years ago
What is the average rate of change of the function f(x)=20(14)xf(x)=20(14)x from x = 1 to x = 2? Enter your answer, as a decimal
notsponge [240]
\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\
f(x)= 20(14)^x  \qquad 
\begin{cases}
x_1=1\\
x_2=2
\end{cases}\implies \cfrac{f(2)-f(1)}{2-1}
\\\\\\
\cfrac{[20(14)^2]~~-~~[20(14)^1]}{1}\implies \cfrac{20\cdot 196~~-~~20\cdot 14}{1}
\\\\\\
\cfrac{3920~~-~~280}{1}\implies \cfrac{3640}{1}\implies 3640
4 0
3 years ago
Read 2 more answers
Given the box plot, will the mean or the median provide a better description of the center?
alexandr402 [8]

Answer:

The median, because the data distribution is skewed to the right

Step-by-step explanation:

Min= 10.5

Q1 = 11.5

Median = 12.5

Q3= 13.5

Maximum = 15

The data is skewed towards the right because more values towards the right side as compared to the left side.

For data to be symmetrical, it has same shape on both sides of the median, which in our case is not possible.

So, for skewed data we always prefer median because it is less affected by the outliers and if mean is chosen, the value of mean is biased towards the side that has larger values while median does not get affected by it. So, we choose median.

our correct option will be:

The median, because the data distribution is skewed to the right

6 0
3 years ago
Read 2 more answers
Yea I need help !! I can't understand this!!
oksano4ka [1.4K]
40. 24+26=50 41. I don't understand that one either what grade are you in?
4 0
4 years ago
Alice is saving money at a constant rate. Suppose she initially has $70 saved, and after 2 months, she has $170 saved.
timofeeve [1]

Answer:

50 dollars per month

Step-by-step explanation:

Given

Months = 2

Total = 170

Initial = 70

Required

Determine the rate of savings

Suppose in a month, she saves x amount.

In 2 months, she would save 2x

When 2x is added to the initial savings, it gives the total amount saved.

So, we have:

2x + 70 = 170

Collect Like Terms

2x = 170 - 70

2x = 100

Divide both sides by 2

x = \frac{100}{2}

x = 50

<em>Hence, she saves $50 dollars monthly</em>

3 0
3 years ago
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