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Ksivusya [100]
3 years ago
6

Four circles of radius 3 are arranged as shown. Their centers are the vertices of a square. The area of the shaded region is clo

sest to:
A. 7.7
B. 12.1
C. 17.2
D. 18
E. 27

Mathematics
1 answer:
Tanya [424]3 years ago
8 0

Answer:

Its A, 7.7

Step-by-step explanation:

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True or false if n is an integer,then n is a whole number
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5 0
3 years ago
33 managers and 27 non-managers attended a company meeting. What percentage of the people in the meeting were managers?
Arada [10]

Answer:

81.82%

Step-by-step explanation:

Step 1: We make the assumption that 33 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x.

Step 3: From step 1, it follows that $100\%=33$100%=33.

Step 4: In the same vein, $x\%=27$x%=27.

Step 5: This gives us a pair of simple equations:

$100\%=33(1)$100%=33(1).

$x\%=27(2)$x%=27(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{33}{27}$100%x%=3327

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{27}{33}$x%100%=2733

$\Rightarrow x=81.82\%$⇒x=81.82%

Therefore, $27$27 is $81.82\%$81.82% of $33$33.

3 0
2 years ago
Helpppppp!!!!!!!!!!!!!
kiruha [24]
<h3>Answer:  Choice B)  468 cm^2</h3>

============================================================

Explanation:

As the diagram shows, we have a triangular face with a base of b = 18 and height of h = 13. The area of this triangular face is:

A = 0.5*b*h

A = 0.5*18*13

A = 117 square cm or cm^2

This represents the area of one face, but there are 4 identical copies of this triangular face assuming this tetrahedron is a regular polyhedron. So we have a total surface area of 4*117 = 468 cm^2 which points us to choice B

This is the amount of paint you'll need to cover the outer surface of the pyramid, or you can think of it as the amount of wrapping paper needed. This assumes there are no gaps or overlaps.

5 0
2 years ago
The parent function f(x) = x^2 is vertically stretched by a scale factor of 2, translated 14 units right, and 6 units up. Which
Elena-2011 [213]

Answer:

(1)\; G(x)=2(x-14)^2+6

Step-by-step explanation:

Assuming, right and up are positive directions.

The given parent function, f(x)=x^2

Let f_1(x) be the function when the parent function is stretched by a scale factor of 2.

So, f_1(x)=2f(x)

\Rightarrow f_1(x)=2x^2

Let f_2(x) be the function when f_1(x) is translated 14 units right.

So, f_2(x)=f_1(x-14)

\Rightarrow f_2(x)=2(x-14)^2

Again, let f_3(x) be the function when f_2(x) is translated 4 units up.

So, f_3(x)=f_2(x)+6

\Rightarrow f_3(x)=2(x-14)^2+6

So, the resulting function, f_3(x)=G(x)=2(x-14)^2+6.

Hence, option (1) is correct.

4 0
3 years ago
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