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3 years ago

Anyone can help me with this please!!!????(don’t mind the question at the bottom!!)

Mathematics

1 answer:

weqwewe [10]3 years ago

6 0

Answer:

a=6 b=12

Step-by-step explanation:

i think i could be wrong

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How to create a system equation

Natasha_Volkova [10]

Answer:

Step-by-step explanation:

Write a system of equations to model the situation. Add the equations to eliminate the y-term and then solve for x. Substitute the value for x into one of the original equations to find y. Check your answer by substituting x = 8 and y = 2 into the original system.

3 0

3 years ago

A rectangular box has a perimeter of 36 inches. Which of the following equations represents the area of the rectangular box in t

mote1985 [20]

Perimeter=2(l+w)
36=2(l+w)
(l+w)=18
l=18-w

area of a rectangle=w*l

put value of l here
Area=w*(18-w)
Area=18w-w^2

5 0

3 years ago

se quiere pintar una pared en forma de hexágono regular y se sabe que cada lado mide 3m y que su apotema es de 2,8m cual es el a

qwelly [4]

Answer:

El área total a pintar será:

$A_{tot}=25.2\: m^{2}$

Step-by-step explanation:

Sabiendo el apotema y la longitu de los lados, podemos encontrar el área de un triangulo. Recordemos que, si trazamos rectas del centro del hexágono a los vértices, se formaran 6 triángulos equiláteros.

El área de un triángulo es:

$A_{t1}=\frac{b*a}{2}$

b es la longitud de la base (b=3 m)

a es la apotema, osea la altura del triangulo (a = 2.8)

$A_{t1}=\frac{2.8*3}{2}$

$A_{t1}=4.2\: m^{2}$

Ahora, solo debemos mutiplicar ese valor por 6 para determianr el área total de la pared.

$A_{tot}=25.2\: m^{2}$

Espero te haya sido util!

5 0

3 years ago

Linda's container of cranberry juice holds 200 ml. Harries container holds 7/8 as much juice. How many milliliters of cranberry

Aleks04 [339]

200/1 times 7/8 = 1400/8 = 700/4 = 350/2 = 175

175 + 200 = 375ml

4 0

3 years ago

Find the solution set for the following problem. 5 diminished by 3 times a number is at most 11.

leva [86]

For this case, the first thing we are going to do is define the following variable:
x = unknown number
We now write the following inequality:
5-3x <= 11
We clear x:
5-11 <= 3x
-6 <= 3x
-6/3 <= x
-2 <= x
The solution set is:
[-2, inf)
Answer:
the solution set is:
[-2, inf)

4 0

3 years ago