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Dmitry_Shevchenko [17]
3 years ago
15

Need help with this question I don't understand.

Mathematics
2 answers:
laila [671]3 years ago
6 0

Answer:

A, B, and C

Step-by-step explanation:

For each value of the x plotted in the graph there can be only 1 y-value, according to the definition of a function.

The circle shown in the last picture isn't a function since there are two y-values plotted on each 1 x-value.

- For example in the last graph, if looked at the point (1,0), this is an x-value, there are 2 y-values (1,6) and (1, -6) for that value.

Hope this helped!

pochemuha3 years ago
3 0

Answer:

Step-by-step explanation:

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A certain chalkboard manufacturer determines that their largest blackboard model has a mean length of 5.00 m and a standard devi
Igoryamba

Answer:

23 chalkboards

Step-by-step explanation:

Given:

Mean length = 5 m

Standard deviation = 0.01

Number of units ordered = 1000

Now,

The z factor = \frac{\textup{x - Mean}}{\textup{standard deviation}}

or

The z factor = \frac{\textup{4.98 - 5}}{\textup{0.01}}

or

Z = - 2

Now, the Probability P( length < 4.98 )

Also, From z table the p-value = 0.0228

therefore,

P( length < 4.98 ) = 0.0228

Hence, out of 1000 chalkboard ordered (0.0228 × 1000) = 23 chalkboard are likely to have lengths of under 4.98 m.

7 0
3 years ago
How to do linear functions using the table ?
Ira Lisetskai [31]

Answer:

-8 = m-2+b

-2 = m-0+b

4 = m2+b

10 = m4+b

Step-by-step explanation:

You just put them in y = mx+b format

3 0
3 years ago
A pyramid has a regular hexagonal base with side links of four and a slant height of six. Find the total area of the pyramid
vova2212 [387]

Area of the Base = 6 * side^2 / 4 * tan (180/6)

Area of the Base = 6 * 16 / 4 * 0.57735

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Area of 6 Faces = 72


Total Area = 41.5692387633 + 72

Total Area = 113.5692387633

7 0
3 years ago
Simplify 4a²+1/3a+5+a²+4+1/3a
vladimir2022 [97]

Answer:

5a^2+\frac{2a}{3} + 9

Step-by-step explanation:

Refer to file. Trying something different. Should be easier to read than text format and is easier than mathML.

7 0
2 years ago
Which polynomial identity will prove that 49 − 4 = 45?
Marizza181 [45]
49 is a square of 7 and 4 is a square of 2. To get 45  you need to subtract 7² and 2². Therefore, its the difference of squares. 
3 0
3 years ago
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