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Yakvenalex [24]
3 years ago
13

A figure composed of 3 different rectangles that has a perimeter of 140 yards.

Mathematics
1 answer:
WITCHER [35]3 years ago
5 0
A qt and a half i believe.
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Please help! Correct answer only, please! I need to finish this assignment this week. What are the dimensions of the matrix show
Katena32 [7]

Answer:

3 x 5

Step-by-step explanation:

The dimension of a matrix is normally represented in form of:

<u>number of rows</u> x <u>number of columns</u>

In the given matrix, there are 3 rows and 5 columns.

=> The dimension of this matrix is 3 x 5

=> Option D is correct

Hope this helps!

5 0
3 years ago
Which is a correct way to test whether two variables representing numbers, numone and numtwo, are equal?
bija089 [108]
You use variables for the equation and after you find out the variables you set them equal to each other and see if they are equal
5 0
3 years ago
What is the domain and range of the relation below?
Katarina [22]
C


Domain is input, range is output

Mark brainliest please


8 0
3 years ago
10 points. [ATTACHED]
SVETLANKA909090 [29]

Answer:

\overline{AD}\:=\:19.2

Step-by-step explanation:

2x+5=3x-2\quad \:\rightarrow \quad \:x=7\\\\\overline{BD}\:=\:3\left(7\right)-2\:=\:19\\\\Length\:of\:\overline{AD}\:=\sqrt{19^2+2.5^2}=19.2

3 0
4 years ago
el perimetro de un terreno rectangular es de 170m y su area es de 170^2hallar la medida de sus lados con ecuacion cuadratica
Blizzard [7]

Answer:

Acá tenemos un sistema de ecuaciones.

El perímetro de un rectángulo es:

2*A + 2*L = 170m

donde A es el ancho y L es el largo.

Y el área del rectángulo es:

A*L = 170m^2.

Entonces, el primer paso es aislar una de las variables en una de las ecuaciones, yo voy a aislar A en la segunda:

A = 170m^2/L.

Ahora reemplazo eso en la primera ecuación y la resuelvo para L.

2*( 170m^2/L.) + 2*L = 170m.

340m^2 + 2*L^2 = 170m*L

ahora tenemos una ecuación cuadrática:

2*L^2 - 170m*L + 340m^2 = 0.

Las soluciones se pueden obtener usando la formula de Bhaskara:

L = \frac{+170 +- \sqrt{170^2 -4*340*2}  }{2*2} = \frac{170 +-161.8}{4}

Entonces las soluciones son:

L = (170 + 161.8)/4 = 82.95m

L = (170 - 161.8)/4 = 4.1m

Entonces, si tomamos L = 82.95m, tenemos A = 4.1 m

y el área es:

A*L = 4.1m*82.95m = 170m^2

3 0
3 years ago
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