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alekssr [168]
2 years ago
13

The length of a diagonal of a square is 72cm. find the length of the sides of the square​

Mathematics
1 answer:
vredina [299]2 years ago
8 0

Answer:

The answer would be 36\sqrt{2\\\\} or 50.91

Step-by-step explanation:

The way you would do this is that the diagonal of the square creates two right triangles. Both of the triangles created are 45, 45, 90 triangles.

In all cases of the 45,45,90 triangles the sides are 1/2 \sqrt{2\\\\}  of the hypotenuse aka the diagonal.  

So to solve, you would just multiply the diagonal by 1/2 \sqrt{2\\\\}  and you have your answer.

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Answer:

C and D is correct

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Find the lengths of the line segments whose end points are given below. Explain how you determined that the line segments are ho
maks197457 [2]

Answer:

A.  The segment has a 5 units lenght

B. The segment has a 10 units lenght.

C. The segment has a 7 units lenght.

D. The segment has a 5 units lenght.

E. The segment has a 19 units lenght.

Step-by-step explanation:

A. The given end points are (-3,4) and (-3,9). If we represent these two points in a cordinate axis we can see that those points are in the same vertical line according to the <em>y</em> axis, because the number in the <em>x</em> axis is -3 in each point so we can say that they are in the same vertical line. Now the segment line to match these two point has a 5 units lenght.

B. We can see that the given end points has equal number in the <em>y</em> axis. So we can say that those end points are in the same horizontal line, and the segment has a 10 units lenght.

C. In subsection c the pairs of points has a an equal number in the <em>x </em>axis. So those points are in the same vertical line. And the lenght of the segment is 7 units.

D. In subesection d the two points has an equal numever in the <em>y</em> axis, so these two points are in the same horizontal line according to the coordinate axis. And the segment that mathc these two points has a 5 units lenght.

E. The given points are ( 0,-11) and (0,8) we can see that the two points has the same <em>x</em> axis number, so they are in the same vertical line according to the <em>y </em>axis. And the segment has a 19 units lenght.

8 0
3 years ago
What is the distance between (12, -7) and (-3, -7)
irakobra [83]

c.15 units is the distance between (12,-7) (-3,-7)

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future value = P × (1+ i)t `"present value" = "P" / (1 + i)^"t"` What would be the value of $100 after 10 years if you earn 11 p
Dima020 [189]

Answer:  $283.94

<u>Step-by-step explanation:</u>

A=P(1+r)^t\\\\\bullet P=100\\\bullet r=11\% \implies 0.11\\\bullet t=10\\\\\\A=100(1.11)^{10}\\.\ =283.94

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what are the mark up and the retail price of a suit that costs a retailer $182 if he uses a standard markup rate of 30%
otez555 [7]

Answer:

Markup: $54.60 Retail Price: $236.60

Step-by-step explanation:

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