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den301095 [7]
3 years ago
10

I’m stuck here please help !!!

Mathematics
1 answer:
Olin [163]3 years ago
8 0

Answer:

1) element - a member of a set

2) inequality - <, <, \leq, \geq

3) line graph - visual tool used to illustrate solution sets

4) real number - positive or negative, rational or irrational numbers including                zero

5) set - a collection or group of sets indicated by brackets, {}

6) set builder notation - a shorthand way to write a set

Step-by-step explanation:

The definitions of each of the terms are as follows:

Element: In a set, each member is called its element.

Inequality: The term inequality is used to compare two values. The sign used for inequalities are <, <, \leq, \geq.

Line graph: It gives the solution on a number line. This is the pictorial or visual representation of the solution.

Real number: All numbers that are rational, irrational positive or negative values are called real numbers.

Set: A set is a collection of data that are enclosed in two curly brackets. The data can be numbers, sets, etc.

Set builder notation: It is a shorthand notation used to represent a given set. It defines the data inside the set using appropriate mathematical symbols.

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C. Miles per hour

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Which numbers are solutions to the inequality below?
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Answer:

4, 5 and 6

Step-by-step explanation:

Add 19 to both sides:

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Divide by -4

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4, 5 and 6 satisfy this

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3 years ago
A study conducted in 2000 found that the mean number of children under 18 per household in a certain community was 1.7. A statis
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Answer:

c). Two tailed test

Step-by-step explanation:

The given hypothesis are

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Alternative hypothesis: H1:μ≠ 1.7

The alternative hypothesis demonstrates that  mean number of children are not 1.7 in 2000. This means that mean number of children can be greater than 1.7 or mean number of children can be less than 1.7. Thus, the given alternative hypothesis indicates the two tailed test.

3 0
3 years ago
Please help!! (Number 73)
Rasek [7]
So hmm notice the picture below

one is 7x5x1.75 the volume of a rectangular prism is V = length * width * height

so 7*5*1.75 gives us 61.25 ft³

the second one, is larger by some width and length we dunno, but we know that it required that 61.25 plus an extra 17.5 to fill it up, so its volume is 61.25 + 17.5 or 78.75

the height is the same... so \bf V=l\cdot w\cdot h\qquad &#10;\begin{cases}&#10;l=length\\&#10;w=width\\&#10;h=height\\ --------\\&#10;h=1.75\\&#10;V=78.75&#10;\end{cases}\implies 78.75=lw\cdot 1.75&#10;\\\\\\&#10;\cfrac{78.75}{1.75}=lw\implies 45=lw

so.. if you factor 45, to two factors, one will be the length, the other the width

3 0
3 years ago
Find the generating function for the sequence 1,-2,4,-8, 16, ...
kirill [66]

Answer:

  a(x)=\dfrac{1}{1+2x}

Step-by-step explanation:

The generating function a(x) produces a power series ...

  a(x)=a_0+a_1x+a_2x^2+a_3x^3+\dots

where the coefficients are the elements of the given sequence.

We observe that the given sequence has the recurrence relation ...

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This can be rearranged to ...

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We can formulate this in terms of a(x) as follows, then solve for a(x).

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The generating function is ...

  a(x) = 1/(1+2x)

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3 years ago
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