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lara31 [8.8K]
3 years ago
6

Find the total surface area of the figure shown. 20 cm 16 cm 10 cm 12 cm

Mathematics
1 answer:
galben [10]3 years ago
8 0

Answer:

672

Step-by-step explanation:

(1/2×16×12)×2 + (10×12) + (10×16) + (20×10)

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Flura [38]
The answer is A or c I’m probs wrong
7 0
3 years ago
What is the greatest common factor of 62, 41, and 71?
garik1379 [7]
62= 1 \cdot 2 \cdot 31 \\
41=1 \cdot 41 \\
71=1 \cdot 71 \\ \\
GCF(62,41,71)=1
3 0
3 years ago
The diameter of the circle above is 22 cm. What is the circumference of the circle? (Use = 3.14.)
postnew [5]

Answer:

69.08cm

Step-by-step explanation:

The formula for the circumference is

pi times diameter=circumference

Since we are using 3.14 and we know the diameter we can plug that in

3.14 times 22= circumference

69.08=circumference

8 0
2 years ago
Find the absolute extrema of f(x) = e^{x^2+2x}f ( x ) = e x 2 + 2 x on the interval [-2,2][ − 2 , 2 ] first and then use the com
fredd [130]

f(x)=e^{x^2+2x}\implies f'(x)=2(x+1)e^{x^2+2x}

f has critical points where the derivative is 0:

2(x+1)e^{x^2+2x}=0\implies x+1=0\implies x=-1

The second derivative is

f''(x)=2e^{x^2+2x}+4(x+1)^2e^{x^2+2x}=2(2x^2+4x+3)e^{x^2+2x}

and f''(-1)=\frac2e>0, which indicates a local minimum at x=-1 with a value of f(-1)=\frac1e.

At the endpoints of [-2, 2], we have f(-2)=1 and f(2)=e^8, so that f has an absolute minimum of \frac1e and an absolute maximum of e^8 on [-2, 2].

So we have

\dfrac1e\le f(x)\le e^8

\implies\displaystyle\int_{-2}^2\frac{\mathrm dx}e\le\int_{-2}^2f(x)\,\mathrm dx\le\int_{-2}^2e^8\,\mathrm dx

\implies\boxed{\displaystyle\frac4e\le\int_{-2}^2f(x)\,\mathrm dx\le4e^8}

5 0
3 years ago
Alex's mom gave her $27.75 to spend on smoothies for the entire month.How many smoothies can she buy during the month.​
Komok [63]

Answer:

Around 6 smoothies

Step-by-step explanation:

1 smoothie = $4.25

? smoothies = $27.75

27.75 divided by 4.25 = 6.52941176470....

So like 6 smoothies with some spare change

5 0
3 years ago
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