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Katyanochek1 [597]
4 years ago
5

20 POINTS!!

Mathematics
2 answers:
Rufina [12.5K]4 years ago
4 0

Answer:

40

Step-by-step explanation:

sveta [45]4 years ago
3 0

Answer: The answer is 40 degrees


Step-by-step explanation: Angles CDE and ABC are congruent and the sum of the other angles together is 140 degrees. Since all triangles add up to 180 degrees 40 degrees is left.


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PLEASE HELP!!!!!!! ALSO SHOW WORK
Dimas [21]

Answer: a) 92 yards, b) 29.29 yards and 672.99 sq. yd.

Step-by-step explanation:

Since we have given that

Area of square pen = 529 sq. yd

Let the length of each side be 'a'.

As we know the formula for "Area":

Area=a^2\\\\529=a^2\\\\\sqrt{529}=a\\\\a=23\ yd

So, the perimeter of the square pen is given by

4\times s=4\times 23\\\\=92\ yd

So, perimeter of square pen = Perimeter of round pen

92=2\pi r\\\\92=2\times 3.14\times r\\\\\dfrac{92}{2}=3.14\times r\\\\\dfrac{46}{3.14}=r\\\\14.64=r

So, the diameter of round pen is 2\times r=2\times 14.64=29.29\ yd

And the area of round pen is

\pi r^2\\\\=3.14\times (14.64)^2\\\\=672.99\ sq.\ yd

Hence, a) 92 yards, b) 29.29 yards and 672.99 sq. yd.

3 0
3 years ago
Should the line of best-fit travel through the origin of the graph . Explain your reasoning
igomit [66]
No because if it does then you had no human error and based on what your graphing it is very unlikely that when you have zero at your x axis you will also reasonably be at zero on your y axis! Hope this helps you
7 0
3 years ago
What is the equation of the line that passes through the point (8,1) and has a slope<br> of?
NemiM [27]

Answer:

Step-by-step explanation:

hello :

Use the point-slope formula.

y - y_1 = m(x - x_1)      when : x_1 = 8  and  y_1 = 1

the equation is : y - 1 = m(x - 8)

5 0
3 years ago
3(b+1)=4b-1 I need help
steposvetlana [31]

Answer:

3b + 3 = 4b - 1

3= b - 1

b= 4 is the solution

3 0
3 years ago
Can Anyone help me with this question Below!
murzikaleks [220]
<span>Vr = L * W * h = 8 * 4 * 2.25 = 14.22 in^3 = Volume of rectangle

Vc = L * W * h = 0.25 * 0.25 * 0.25 = (0.25)^3 = 0.0156 in^3 = Volume of cube 

Vr / Vc = 14.22in^3 / 0.0156in^3 = 910 cubes910 cubes are needed to fill the rectangular prism.
</span>
8 0
3 years ago
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