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arsen [322]
2 years ago
5

Chris made a solid by joining two identical rectangular prisms as picture below. The overall dimensions of the composite solid a

re 20 centimeters (cm) by 18 centimeters by 15 centimeters.
What is the surface area in square centimeters, of a single prism?

DON’T ANSWER IF YOU DON’T KNOW THE ANSWER. Whoever answers correctly will get Brainliest.

Mathematics
1 answer:
Neporo4naja [7]2 years ago
3 0

Answer:

area of a square prism is 2×a square +4ah

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Find the numbers of faces, edges, and vertices of the solid.
deff fn [24]

Answer:

  • 7 faces
  • 15 edges
  • 10 vertices

Step-by-step explanation:

This is a counting problem. As with many counting problems, it is helpful to adopt a strategy that helps ensure you count everything only once.

__

<h3>Faces</h3>

There are two pentagonal faces and 5 rectangular faces for a total of ...

  7 faces

__

<h3>Edges</h3>

There are 5 edges around each of the pentagonal faces, and 5 edges connecting the top face to the bottom faces, for a total of ...

  15 edges

__

<h3>Vertices</h3>

There are 5 vertices on the top face, and 5 on the bottom face, for a total of ...

  10 vertices

7 0
1 year ago
4/9 (x+3)=g. Solve for X. State any restrictions on the variables
ivann1987 [24]
The solution for this problem is:
\frac{4}{9}(x + 3)=g \\ 4(x+3) = 9g \\ (x+3)= \frac{9g}{4}   \\ x= \frac{9g}{4} -3


5 0
3 years ago
Please help!!!!! I have no idea what to do!
Phantasy [73]

Answer:

f(x)=-\frac{1}{2}x +1

Step-by-step explanation:

Slope intercept form is: f(x)=mx+b

<h2>Find the Slope:</h2>

Choose 2 points on the graph:

(0,1) (2,0)

Find the slope of the two points:

\frac{0-1}{2-0}=-\frac{1}{2}

m=-\frac{1}{2}

<h2>Find the Y-Intercept</h2>

The y-intercept, or the point that the line crosses on the y axis, is (0,1).

b=1

f(x)=-\frac{1}{2}x +1

4 0
3 years ago
Read 2 more answers
Una carretera recta tiene un ángulo de elevación de 3 grados respecto al plano horizontal. ¿Qué distancia hay que recorrer para
geniusboy [140]

Answer:

572.4 m

Step-by-step explanation:

Fórmula del ángulo de elevación =

tan θ = Opuesto / Adyacente

θ = 3 °

Opuesto = 30 m

Adyacente =?

Por eso

bronceado 3 = 30 m / x

Multiplicar cruzada

bronceado 3 × x = 30 m

x = 30 m / bronceado 3

x = 572.43410063m

Aproximadamente = 572.4 m

5 0
2 years ago
Did I do this right? If not please explain!
andrew11 [14]
Yep! Good job, you did it correctly.
Your y-intercept is equal to the constant of the equation (y-int = -2). Your movement/direction (or rise over run) is equal to the variable. Since your variable is x (which can also be written as 1x) means you move up one and over one (rise over run). This is because 1/1 is equal to 1.
5 0
2 years ago
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