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4 years ago

15

A restaurant uses a container that is shaped like a right triangular prism to package carry out sandwich orders. A net of the co

ntainer is shown below. Note: Figure is not drawn to scale. What is the surface area of the container?

2 answers:

kicyunya [14]4 years ago

5 0

Was there any pictures for this?

topjm [15]4 years ago

5 0

Answer: 145.9

Step-by-step explanation:

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Determine weather the statement is true or false. Justify your answer

topjm [15]

$\begin{gathered} \cos (-\frac{7\pi}{2})=\cos (\pi+\frac{\pi}{2}) \\ \cos (-\frac{7\pi}{2})=\cos (\frac{3\pi}{2}) \end{gathered}$

As we know:

$\begin{gathered} \cos (x)=0 \\ for \\ x=\pi n-\frac{\pi}{2} \\ n\in Z \end{gathered}$

For:

$\begin{gathered} n=2 \\ x=2\pi-\frac{\pi}{2}=\frac{3\pi}{2} \\ for \\ n=-3 \\ x=-3\pi-\frac{\pi}{2}=-\frac{7\pi}{2} \end{gathered}$

Therefore:

$\begin{gathered} \cos (-\frac{7\pi}{2})=0 \\ and \\ \cos (\frac{3\pi}{2})=0 \\ so\colon \\ 0=0 \\ This_{\text{ }}is_{\text{ }}true \end{gathered}$

Therefore, the statement is true

7 0

1 year ago

Find the surface area of this cylinder.<br>Round to the nearest tenth.<br>

iren2701 [21]

Answer:

282.7

Step-by-step explanation:

surface area of cylinder = 2πR² + 2πRh

R = 3 cm

h = 12 cm

surface area of cylinder = 2π*3² + 2π*3*12 = 90π ≈ 90*3.14 ≈ 282.7 (cm²)

4 0

3 years ago

The graph represents function 1 and the equation represents function 2:

Mazyrski [523]

Answer:

4

Step-by-step explanation:

A.

subtract both slopes

B.

in word problems:

"rate of change" means slope

C.

1. horizontal line's slope is 0

2. number next to the x is the slope

y = 4x + 1 : slope is 4

3. "How much more" is word problems means subtract

4 - 0 = 4

D.

horizontal and vertical lines' slopes are 0

4 0

3 years ago

Write 0.000 027 in standard form?

Ira Lisetskai [31]

answer: 0.000027= 2.7× 10 to the power of -5

6 0

3 years ago

A stack of books is 5 feet and 10 inches high. How high is it in inches?

snow_tiger [21]

5 ft = 60 in
60 + 10 = 70
70 inches tall

8 0

3 years ago