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2 years ago

Given that

Mathematics

1 answer:

andreev551 [17]2 years ago

7 0

Answer:

x=4.8

Step-by-step explanation:

5x:9 = 8:3

It can also be written as

5x/9 = 8/3

Cross multiply

5x*3 = 8*9

15x = 72

Divide both sides by 15

15x/15 = 72/15

x =4.8

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solve the system of equations below by graphing both equations with a pencil and paper. what is the solution y = x - 1 y = 1/2x

Elan Coil [88]

Answer:

(4,3)

Step-by-step explanation:

$(x-1) = \frac{1}{2}x +1$

$(x-\frac{1}{2}x)-(-1+1)=(\frac{1}{2}x-\frac{1}{2}x)+(1+1)$

$(\frac{1}{2}x/\frac{1}{2})=(2/\frac{1}{2})$

$x=4$

$y=(4)-1$

$y=3$

$y=\frac{1}{2}(4)+1$

$y=2+1$

$y=3$

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2 years ago

How many vertices and edges does a cuboid have

anastassius [24]

A cuboid has 8 vertices and 12 edges

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3 years ago

Order from least to greatest -5 -4 -7, 0, 3

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-7, -5,-4,0,3
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2 years ago

Read 2 more answers

How do i graph the parabolas y = 1/32x^2

Pachacha [2.7K]

$y=\frac{1}{32}x^2 \\ \\x=-16 \Rightarrow y=\frac{1}{32} *(-16)^2=\frac{1}{\not32^1}*\not256^8=8\\ \\x=-8 \Rightarrow y=\frac{1}{32} *(-8)^2=\frac{1}{\not32^1}*\not64^2=2\\ \\x=0 \Rightarrow y=\frac{1}{32} *(0)^2=\frac{1}{\not32^1}*0=0 \\ \\x=8 \Rightarrow y=\frac{1}{32} *(8)^2=\frac{1}{\not32^1}*\not64^2=2 \\ \\x= 16 \Rightarrow y=\frac{1}{32} *( 16)^2=\frac{1}{\not32^1}*\not256^8=8$

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2 years ago

11.

Anton [14]

$\qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &18000\\ r=rate\to 14.3\%\to \frac{14.3}{100}\dotfill &0.143\\ t=years \end{cases} \\\\\\ A=18000(1 - 0.143)^{t}\implies A=18000(0.857)^t \\\\\\ \textit{3 years later, t = 3}\qquad A=18000(0.857)^3\implies A\approx 11329.61$

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1 year ago