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Novay_Z [31]
3 years ago
5

Jason lost one fourth of his pencils. Later, he bought 3 more. He now has 12 pencils. How many did he start with?

Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer:

he started with 12 pencils

Step-by-step explanation:

lost 2.25 of his pencils

got 3 more

12 total

12-3=9

9 is 3/4 of the starting number

3,6,*9*,12

Rudiy273 years ago
4 0
Jason started with 9 pencils.
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Which data set could be represented by the box plot shown below?
Fudgin [204]

Answer:

Any set of data that satisfies the 5-Number summary: 1,6,12,16 and 19 can be represented with the box plot.

Step-by-step explanation:

<u>Interpreting Box Plots</u>

A box plot is used to present the 5-Number summary of a set of data.

The 5-Number summary consists of the following in their order of appearance on the box plot.

  • Minimum Value
  • First Quartile, Q_1
  • Median, Q_2
  • Third Quartile, Q_3
  • Maximum Value

In the box plot, the following rules applies

  • The whisker starts from the minimum value and ends at the first quartile.
  • The box starts at the first quartile and ends at the third quartile. There is a vertical line inside the box which shows the median.
  • The end whisker starts at the third quartile and ends at the maximum value.

Using these, we interpret the given box plot

A left whisker extends from 1 to 6.

  • Minimum Value=1
  • First Quartile =6

The box extends from 6 to 16 and is divided into 2 parts by a vertical line segment at 12.

  • Median=12
  • Thrid Quartile=16

The right whisker extends from 16 to 19.

  • Maximum Value =19

Therefore any set of data that satisfies the 5-Number summary: 1,6,12,16 and 19 can be represented with the box plot.

6 0
3 years ago
Determine which equation is written in function form:
Mila [183]

<em>Greetings from Brasil... </em>

A 1st degree function can be written in two ways:

F(X) = AX + B

or

Y = AX + B

note that F(X) = Y

So, looking at the alternatives in the question, only Y = 7X/3 - 8 is equivalent to Y = AX + B, where:

A = 7/3

B = - 8

then

\large{\boldsymbol{\mathbf{Y = \frac{7X}{3}-8\Leftrightarrow Y=AX+B}}}   <em>a function of the 1st degree</em>

answer:

<h2>Y = (7/3)X - 8</h2>
7 0
3 years ago
Plot the data for the functions ƒ(x) and g(x) on a grid. x -2 -1 0 1 2 ƒ(x) 1 4 16 x -1 0 1 2 3 g(x) 3 4 5 6 7 b. Identify each
lions [1.4K]
Part A:

The plot for the function f(x) and g(x) is attached. The purple curve represents f(x) and the black line represents g(x).



Part B:

The graph of f(x) shows that f(x) is an exponential function.
The graph of g(x) shows that g(x) is a linear function.



Part C:

As x increases from left to right, the function f(x) increases very rapidly.
As x increases from left to right, the function f(x) increases at a constant rate.



Part D:

From the graph it can be seen than the valus of x for which the values of the function are equal are: x = -4 and x = 1.19.
3 0
3 years ago
If x=0 and y&lt;0, where is the plot (x,y) located
docker41 [41]

Mark me the Brainliest!

Answer:

The point will be plotted on Y axis

5 0
2 years ago
PLEASE HELP ME FIRST GETS BRAINLIEST!
Fudgin [204]
Measures of variation: <span> ways to describe measures of central tendency for a data.
<em>
</em><em>the most common measure of variation is range, so in this case, the smallest number is 1, and the largest is 17. This means the range is 16.
</em>
Interquartile Range:

<em>Lower q: {1, 2, 4}
</em><em>Upper q: {8, 12, 17}
</em>Here you have to subtract 12 from 2, which gives you 10.

Mean absolute deviation:
Alright, let's first find the mean...

(1+2+4+5+8+12+17)
---------------------------= 7
                7

What is the distance of each number from 7?

1: 6 units
2: 5 units
4: 3 units
5: 2 units
8: 1 unit
12: 5 units
17: 10 units

After adding all of these together, and dividing by 7, you will get...

<em>4.571428 </em></span>≈ <em>4.6 or 5.
</em>
<span>
I hope these answers help you! Please give me brainliest!
</span>
5 0
3 years ago
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