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Vladimir [108]
3 years ago
7

PLEASEEEEEE HELLPPPPP MEEEEE

Mathematics
1 answer:
NemiM [27]3 years ago
8 0

Answer:

It's A

Step-by-step explanation:

The r coordinate of x is positive 4 which would be the frist number.

The r coordinate of y is positive 1 which would be the second number.

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A rectangular picture measures 6 inches by 9 inches. If a copy machine makes each of the two dimensions 1+1/3 larger, what is th
TiliK225 [7]

The percent increase in area of the picture is 40.33%

Step-by-step explanation:

Original area of the rectangular picture that measures 6 in by 9 in will be

Area= L*W

Area= 6*9= 54 in²

Increasing the dimensions by 1+ 1/3 larger will be

6+1+1/3 = 22/3

9+1+1/3=31/3

New area= 22/3 * 31/3 =682/9 = 75.78 in²

Increase in area = 75.78 - 54 = 21.78

Percent increase in area= percent increase/original area *100

Percent increase in area= 21.78/54 *100 = 40.33%

Learn More

Area of a rectangle : brainly.com/question/10865708

Keyword : rectangle, area, percent increase

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6 0
3 years ago
Determinan las siguientes tablas muestran magnitudes directamente correlaciones o directamente proporcionales
zheka24 [161]

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.

6 0
3 years ago
Domain of<br> What is the<br> the function y-x?
kaheart [24]

\huge \mathfrak  \color{green}{answer}

<h2><u>REAL </u><u>NUMBERS</u></h2>

  • <u>The graph of y = x is shown to the right. We can see that it is defined for all x-values because the line will continue to infinity. Thus, the domain of y = x is all real numbers.</u>

6 0
2 years ago
Prove sin^2x + cos^2x = 1
miskamm [114]
                                      sin²x + cos²x = 1
0.0002467198171x + 0.9997532802 = 1
                                                        x = 1
6 0
3 years ago
Christopher bought a new watch at the store when they were having a 30% off sale.If the regular price of the watch was $48, how
solong [7]

Answer:

30 \div 100 \times 48 = 14.4 \\ 48 - 14.4 = 33.6

therefore Christopher paid $ 33.6

5 0
3 years ago
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