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Natali [406]
3 years ago
15

Is 1/2 and 5/10 proportional?

Mathematics
2 answers:
Crazy boy [7]3 years ago
5 0
Yes 1/2 and 5/10 is proportional
yaroslaw [1]3 years ago
5 0

Step-by-step explanation:

Yes

it is

If you take it to its smallest numbers it would be 1/2

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100.
Ratling [72]

Check the picture below.

so our bases are "d" and "d+a+b", and a height of "c".

\bf \textit{area of a trapezoid}\\\\ A=\cfrac{h(x+y)}{2}~~ \begin{cases} x,y=\stackrel{parallel~sides}{bases}\\ h~~~=height\\ \cline{1-1} x=d\\ y=d+a+b\\ h=c\\ A=(d+b)c \end{cases}\implies (d+b)c=\cfrac{c[d+(d+a+b)]}{2} \\\\\\ 2(d+b)c=c[d+(d+a+b)]\implies 2dc+2bc=c(2d+a+b)

\bf ~~\begin{matrix} 2dc \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~+2bc=~~\begin{matrix} 2dc \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~+ac+bc\implies 2bc=ac+bc\implies 2bc=c(a+b) \\\\\\ \cfrac{2b~~\begin{matrix} c \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{~~\begin{matrix} c \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}=a+b\implies 2b=a+b\implies 2b-b=a\implies \blacktriangleright b=a \blacktriangleleft

8 0
4 years ago
Which situation is respresented by the inequality below
mihalych1998 [28]
X = greater than or equal to six

Because you divide the 6 from each side

6x > 36
-----------
6. 6

Which equals x = greater than or equal to six


It has to be greater than or equal to because it had the line under it which means equal to and has the open mouth of the comparison sign facing the left which is greater than. Combine them together
4 0
3 years ago
The value of a boat, in dollars, x years after its purchase is represented by the function.
Furkat [3]

Given the function f(x) = 10000(0.73)^x

<span>Where y is The value of a boat, in dollars, </span> <span>x years after its purchase </span>
at x = 1
f(1) = 10000(0.73)^1
f(1) = $7300  
at x = 2
f(2) = 10000(0.73)^2
f(2) = $ 5329  
so the decrease
D = $7300 - $ 5329
D = $ 1971

<span> </span>

5 0
4 years ago
Qt + a = -1 <br><br> when q = 3 and t = 4
Pachacha [2.7K]

Answer:

a=-13

Step-by-step explanation:

We can use substitution to find the value of a:

qt+a=-1

3(4)+a=-1

12+a=-1

a=-13

Hope this helps :)

5 0
3 years ago
You are sending a package in the mail. The box is a cube
Leya [2.2K]

Answer: 2744

:)

Hope it’s right

7 0
3 years ago
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