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zzz [600]
3 years ago
13

Determinan las siguientes tablas muestran magnitudes directamente correlaciones o directamente proporcionales

Mathematics
1 answer:
zheka24 [161]3 years ago
6 0

Responder:

Los cuadros 89 y 91 presentan proporcionalidad directa

El cuadro 90 muestra una correlación directa.

Explicación paso a paso:

De la imagen adjunta:

Cuadro 89:

Para mostrar proporcionalidad directa:

y α x

y = kx; k = constante de proporcionalidad

Comprobando las tablas:

Cuadro 89:

A = 1,5; B = 3

B = kA; 3 = 1.5k

k = B / A

k = 3 / 1,5 = 2

Usando k = 2;

demuestre que B = 4 cuando A = 2; para establecer proporcionalidad directa.

B = 2 * 2 = 4

Por tanto, el cuadro 89 exhibe proporcionalidad directa

Comprobando las tablas:

Cuadro 90:

C = 2; D = 8

D = kC; 8 = 2k

k = 8/2 = 4

Usando k = 4;

demuestre que D = 9 cuando C = 3; para establecer proporcionalidad directa.

B

D = 4 * 3 = 12

De la tabla, D = 9;

Por tanto, el cuadro 90 presenta una correlación directa pero no una proporcionalidad directa.

Comprobando las tablas:

Cuadro 91:

E = 1; F = 1/2

F = kE; 1/2 = k

k = 1/2

Usando k = 1/2;

demuestre que F = 3/2 cuando E = 3; para establecer proporcionalidad directa.

F = 1/2 * 3 = 3/2

Por tanto, el cuadro 91 presenta proporcionalidad directa.

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Whats the value of 5y if -2(3y+5)=-4
Liula [17]
Hi Yasmindaniele!



-2.(3y+5) = -4 \\ \\ \\
3y+5 = \dfrac{-4}{-2} \\ \\ \\
3y + 5 = 2 \\ \\ \\
3y = -3 \\ \\ \\
y = -1 \\ \\ \\
5y = -5




GoodLuck...
8 0
3 years ago
Which values of p and q result in an equation with no solution? -60x+32=qx+p
Andrew [12]
Ndnndndbdbd d emmendjr
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3 years ago
What’s the surface area of this prism?
finlep [7]

Answer:

580

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Need answer asap.thanks​
Marrrta [24]

Answer:

0.46=\frac{23}{50}

Step-by-step explanation:

To write any decimal as a fraction you divide by 1 and multiply by a number (ranging from 10, 100, 1000 etc.) that will make 0.46 a whole number, this will explain:

Let x = \frac{0.46}{1}

10x = 10*\frac{0.46}{1} =\frac{4.6}{10}

100x = 100*\frac{0.46}{1}=\frac{46}{100} this is our perfect fraction, now we simplify later

100x - 10x = \frac{46}{100} -\frac{4.6}{10}

90x = \frac{46}{100} -\frac{4.6}{10} =0  this is to confirm both fractions are equal

x is the same as \frac{0.46}{1} as \frac{4.6}{10} as \frac{46}{100} but here x = \frac{46}{100} because a fraction has to have no decimals.

So  0.46 is equal any of these values, as a fraction, on the other hand, it's improperly equal to \frac{46}{100} = \frac{23}{50} here I divided by 2 to bring down the proper fraction. (fraction at its simplest form)

6 0
4 years ago
−3/2⋅4⋅1/2(10−8) hurry
Tasya [4]

The result of the given expression is  -6

<h3>Solving expressions</h3>

Given the expression below

−3/2⋅4⋅1/2(10−8)

Expand to have;

-3/2 * 4 * 1/2(2)

-3/2 * 4 * 1

-3/2  * 4

This is expressed as;

-12/2

-6

Hence the result of the given expression is  -6

Learn more on equation here:brainly.com/question/2972832

#SPJ1

8 0
2 years ago
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