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strojnjashka [21]
3 years ago
11

The mean amount of money withdrawn from

Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

I really don't know

Step-by-step explanation:

slavikrds [6]3 years ago
7 0

Answer:

i really dont kno ima lil slow so yea i can't help .-.

Step-by-step explanation:

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Can u plz help me? plz think ok<br> ps: Wetzucchini i know u try to hack me and put a vires on me
inessss [21]

Answer:

umm...

Step-by-step explanation:

6 0
3 years ago
The box plots represent the ages of pennies in two 50-cent rolls. By looking at the plots, Beth says that the two means are abou
Jlenok [28]

Answer:

The correct option is D

D) She may not be correct because means cannot be determined from the box plots

Step-by-step explanation:

The question is incomplete because the box plots are not attached in the question. I've attached the box plots of this question at the bottom.

The box plot, also know as box and whisker plot, displays only five type of values, which are:

  1. Minimum value
  2. First Quartile
  3. Median
  4. Third Quartile
  5. Maximum value

Mean cannot be determined by just lookin at the box plots. To find the mean, we need to know the values of data and total number of values.

As mean cannot be determined from the box plot, correct option is D

6 0
3 years ago
Read 2 more answers
1)Why is it impossible for a function to have fewer values in its domain than in its range?
Aneli [31]

<u>Part (1):</u>

For a relation to be called a function, each input must have one and only one corresponding output.

Now, we know that the input of the relation is known as its domain while the output is known as its range.

Based on the above definition, each input (value from domain) has only one output (value from range)

Therefore, the values for domain and range are equal, otherwise, the relation won't be a function


<u>Part (2):</u>

The graph of the function is shown in the attached image.

<u>Now, a linear function:</u>

<u>1- is a straight line.</u> This means that it has neither curved nor sharped bends.

In the graph of the given function, we can see that it has a sharp bend at the point (5,0)

<u>2- has a constant slope all over the graph.</u>

Let's test this condition on our graph:

For the two points (0,5) and (1,4):

slope = \frac{4-5}{1-0} = -1

For the two points (6,1) and (7,2):

slope = \frac{2-1}{7-6} = 1

We can see that the slope is not constant along the whole graph.

Based on the above two conditions, the absolute function is not a linear function


<u>Part(3):</u>

<u>There are two types of proportionality:</u>

1- Direct proportionality: This means that as one value increases, the other would increase at the same rate

<u>Let's check this on the given function:</u>

f (x) = -3x

At x = 1 ..........> f (x) = -3(1) = -3

At x = 2 .........> f (x) = -3(2) = -6

We can note that the condition of direct proportionality is not fulfilled, therefore, the relation is <u>not showing direct proportionality</u>

2- Inverse proportionality: This means that as one value increases, the other would decrease by the same rate.

Inverse proportionality has the general formula: y = \frac{k}{x}

where k is the constant of proportionality.

The given function is: f (x) = -3x

We can note that it does not have the same format as the general formula of the inverse proportionality.

Therefore, the given<u> relation does not show inverse proportionality</u>

Based on the above, we can conclude that the given relation is non-proportional


<u>Part (4):</u>

The graphs are shown in the second attached image

<u>Let's check the givens:</u>

<u>1) y = 9</u>

We know that this would be a line parallel to the x-axis constant at y = 9

Therefore, this choice is correct

<u>2) -2x² + 4</u>

We know that the second degree polynomial gives a curve not a line.

Therefore, this choice is incorrect

<u>3) y = -8 + 3</u>

The general form of the linear line is y = mx + b

The given equation has the same format as the general one.

Therefore, this choice is correct

<u>4) y = 7/x</u>

Again, the general form of the linear line is y = mx + b

The given equation has the a different format than the general one.

Therefore, this choice is incorrect


Hope this helps :)

7 0
3 years ago
What equation is described below?
slega [8]

Answer:

7×7=49

Step-by-step explanation:

Is means equals and times means multiply

7×7=49

True

7−7=49

7-7=0  False

7+7=49

7+7 =14  False

49÷7=7

True but this is not the equation described above

7×7=48

49False

8 0
3 years ago
Lea invests a sum of money in a savings account with an interest rate of 3.4% compounded continuously. After 10 years, the balan
Allushta [10]

Answer:

$1,352

Step-by-step explanation:

The computation of the initial amount is shown below:

As we know that

Ending value = Initial investment × e^{rate, time period}

$1,900 = Initial investment × e^{3.4%, 10}

$1,900  = Initial investment × e^0.34

$1,900  = Initial investment × 1.404947591

So, the initial investment is

= $1,900 ÷  1.404947591

= $1,352

4 0
3 years ago
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