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uranmaximum [27]
3 years ago
11

Jake is building a circular sandbox for his son. How many plastic blocks will he need to make one layer around the sandbox?

Mathematics
2 answers:
irakobra [83]3 years ago
8 0

Answer:

35

Step-by-step explanation:

densk [106]3 years ago
4 0

Answer:

6.28(r)  

r = #blocks

Step-by-step explanation:

circumference = 2pi(r)

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NO LINKS!! Please help with questions 3 and 4​
Taya2010 [7]

Answer:

\textsf{3.} \quad (x,y) \rightarrow (x-5,y+2)

\textsf{4.} \quad (x,y) \rightarrow (x+3,y+1)

Step-by-step explanation:

<h3><u>Question 3</u></h3>

Given vertices of ΔLMN:

  • L = (1, -1)
  • M = (4, 1)
  • N = (5, -1)

Given vertices of ΔL'M'N':

  • L' = (-4, 1)
  • M' = (-1, 3)
  • N' = (0, 1)

From inspection of the given diagram, we can see that the two triangles are congruent since their corresponding angles and corresponding side lengths are the same.  

There is no apparent reflection or rotation, so the transformation of ΔLMN to ΔL'M'N' is by translation.

To find the mapping rule for the translation, choose one pair of corresponding vertices and determine the difference between the x and y values of the translated point and the original point:

x_{M'}-x_M =-1-4=-5 \implies \textsf{5 units left}

y_{M'}-y_M =3-1=2 \implies \textsf{2 units up}

Therefore, the mapping rule for the translation is:

(x,y) \rightarrow (x-5,y+2)

<h3><u>Question 4</u></h3>

Given vertices of ΔLMN:

  • L = (-6, -4)
  • M = (-5, -1)
  • N = (-2 -4)

Given vertices of ΔL'M'N':

  • L' = (-3, -3)
  • M' = (-2, 0)
  • N' = (1, -3)

From inspection of the given diagram, we can see that the two triangles are congruent since their corresponding angles and corresponding side lengths are the same.  

There is no apparent reflection or rotation, so the transformation of ΔLMN to ΔL'M'N' is by translation.

To find the mapping rule for the translation, choose one pair of corresponding vertices and determine the difference between the x and y values of the translated point and the original point:

x_{L'}-x_L =-3-(-6)=3 \implies \textsf{3 units right}

y_{L'}-y_L =-3-(-4)=1 \implies \textsf{1 units up}

Therefore, the mapping rule for the translation is:

(x,y) \rightarrow (x+3,y+1)

8 0
1 year ago
Read 2 more answers
List the angles in order from shortest to longest.<br> De, CE, CD
Gnoma [55]

Answer:

CE, CD, DE

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the smallest number which must be added to the following numbers so as to make them a perfect square 4931
Feliz [49]

Answer:

110.

Step-by-step explanation

4900 = 70^2

71^2 = 5041

5041- 4931 = 110

Answer is 110

6 0
4 years ago
Read 2 more answers
What function represents this graph??
mr Goodwill [35]

The required piecewise function that represents the graph is given as:

f(x)=\left \{ {{y = -3x-10} \atop y=-\frac{1}{2}x-3 } \atop y=-2x-6 }} \right.

<h3>Piecewise functions</h3>

The graph consists of 3 lines with different equations and slopes. In order to determine the function it represents, we will create a piecewise function.

For the line crossing the negative x-axis

Using the coordinate points (-4, 2) and (-2, -4)

Slope = -6/2

Slope = -3

2 = -3(-4) + b
2 - 12 = b

b = -10

The equation of the line will be y = -3x-10

For the line crossing the negative y-axis

Using the coordinate points (-2, -4) and  (2,-2)

Slope = 2/4

Slope = 1/2

-2 = 1/2(2) + b
-2 - 1 = b

b = -3

The equation of the line will be y = -1/2x-3

For the line crossing the positive x-axis

Using the coordinate points (2, -2) and (3, 0)

Slope = 2/1

Slope = 2

0 = 2(3) + b
0 - 6 = b

b = -6

The equation of the line will be y = 2x-6

The required piecewise function that represents the graph is given as:

f(x)=\left \{ {{y = -3x-10} \atop y=-\frac{1}{2}x-3 } \atop y=-2x-6 }} \right.

Learn more on piecewise function here: brainly.com/question/18499561

#SPJ1

3 0
2 years ago
The volume of a cube is 521 cm3. calculate the total surface area in cm2​
motikmotik
262 cm............................
5 0
3 years ago
Read 2 more answers
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