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3 years ago

What is the surface area of the box if it is scaled up by a fraction of 10

Mathematics

1 answer:

ryzh [129]3 years ago

5 0

Surface area will be 150

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Please help with this<br><br> Find the area of the shaded regions.

Mice21 [21]

Answer:

The area of the shaded region is 7π square centimeters.

Step-by-step explanation:

Note that Circle B has a radius of 3 cm, and the two smaller circles, Circles O and C, both have a radius of 1 cm.

The area of a circle is given by:

$\displaystyle A = \pi r^2$

Therefore, the area of Circle B, the entire circle, is:

$\displaystyle \begin{aligned} A_B &= \pi (3)^2 \\ &= 9\pi \end{aligned}$

The area of Circle O is:

$\displaystyle \begin{aligned} A_O &= \pi (1)^2 \\ &= \pi \end{aligned}$

And likewise, the area of Circle C is:

$\displaystyle \begin{aligned} A_C &= \pi (1)^2 \\ &= \pi \end{aligned}$

The area of the shaded area is the area of the Circle B subtracted by the area of Circles O and C. Hence:

$\displaystyle A_\text{shaded} =A_B - \left(A_ O + A_ C\right)$

Substitute and evaluate:

$\displaystyle \begin{aligned} A_\text{shaded} &= (9\pi ) - (\pi + \pi) \\ &= 9\pi - 2\pi \\\ &= 7\pi \end{aligned}$

The area of the shaded region is 7π square centimeters.

8 0

3 years ago

Math assignment cant get it

kupik [55]

Answer:

y = -1/2x + (-1)

Step-by-step explanation:

8 0

3 years ago

(Will give brainliest help asap pls)

DanielleElmas [232]

D because 5.50 is x and your y so boom D

6 0

2 years ago

Find the volume and surface area of this triangular prism. 12 cm 13 cm 18 cm and 5 cm

Ipatiy [6.2K]

⇒ s = a+b+c2=5+12+132 a + b + c 2 = 5 + 12 + 13 2 = 15 cm.
Area of the base = √s(s−a)(s−b)(s−c)
= √15×10×3×2 15 × 10 × 3 × 2 cm2 = 30 cm2

3 0

2 years ago

Read 2 more answers

Click on the attachment <3 answer, please and thank you (:

natta225 [31]

Answer:

Step-by-step explanation:

x-7=?

x=17

17-7=10

7+10=17

17=17 Correct :)

5 0

3 years ago