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tatuchka [14]
3 years ago
12

Help meeeeeeeeeeee with all of these questions

Mathematics
1 answer:
kaheart [24]3 years ago
6 0
Answer:
1. Step 2: 2a-6+6 Step 3: 2a
2. Step 2: 8(2d+3)

Step by step explanation:
Here’s my work form what I seen:

You might be interested in
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
-2(x + 5) = -16 <br><br> = ???
34kurt

Answer:

if you're looking for x its -13

8 0
3 years ago
Read 2 more answers
. Mallorie has $5.50 in her wallet. If this is 10% of her monthly allowance, what is her
Zinaida [17]

Answer:

Hello!!

If Mallorie has $5.50 in her wallet. If this is 10% of her monthly allowance, her monthly allowance is $50.

Step-by-step explanation:

5.50 ÷10=0.55 round decimal two places to the right

Hope this helps!!

7 0
3 years ago
5x^4? Please solve this for me I don’t understand stand
igomit [66]

Answer:

-5 1/x4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How many sides is a decagon? I forgot LOL
umka21 [38]

Answer:

10 sides.

Step-by-step explanation:

In geometry, a decagon is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440°. A self-intersecting regular decagon is known as a decagram.

3 0
3 years ago
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