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zzz [600]
3 years ago
7

-4×+5×=what is this questions because I don't know it

Mathematics
2 answers:
Simora [160]3 years ago
8 0
The question is invalid
Elan Coil [88]3 years ago
8 0

it should equal to 1x  

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Solve for x using the given diagram
blagie [28]

Answer:

<h2>x = 1</h2>

Step-by-step explanation:

Look a t the picture.

The triangles on the picture are similar.

Therefore the sides are in proportion:

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(8x)(5x)=(4)(10)

40x^2=40           <em>divide both sides by 40</em>

x^2=1\to x=\sqrt1\\\\x=1

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3 years ago
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zysi [14]
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3 0
3 years ago
Is statistics mathematics or science? defend your answer.
Simora [160]

Answer:

There are few kind of statistics: first of all - Mathematiсal statistics. This is quite a mathematical science.

Its applications widely used in many branches of science. First of all (for me) in measurement theory. When used correctly, there is no objection to this science and its methods.

The use in the so-called "social sciences", primarily in sociology, raises many questions: first and foremost - how representative is the "sample"? To what extent does the question asked by the respondent dictate the “correct” (expected) answer? And so on. Of course, this is not a statistic, but mostly a science-like hype, covering up the absence of objective methods.

Hope this helps <3

3 0
3 years ago
A costume costs $32.80. Today it is discounted 30%. How much did the costume cost today?
taurus [48]

Answer:

22.96

Step-by-step explanation:

3 0
3 years ago
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aliina [53]

Answer:

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y = mx + b

Mx will always be slope if the equation.

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