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Lynna [10]
3 years ago
5

I need help I don't really understand this

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0
The perimeters of both are equal.
The side of the square is 12.
Therefore, its area equals to : 12² = 144

The rectangle base is 19.
Because it has the same perimeter as the square's, so rectangle perimeter is : 19 + 19 + side + side = 12 + 12 + 12 + 12
= 38 + 2side = 48
= 2side = 48 - 38
= side of rectangle = 5
Therefore, its area is 19 x 5 = 95

If you subtract it from the area of the square, you will get : 144 - 95 = 49.
So the answer is : the area of the square is 49 units largee than the area of the square (C)
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4 to the power of 5 × 3 to the power of 2​
Rama09 [41]

Answer:

Step-by-step explanation:

Break down the equation first.1) 5(3)= 15

2)15 to the power of 2=225,because you have to multiply 15 by itself 2 times.

3)225 to the power of 4=<u>2,562,890,625</u>

Answer=<u> 2,562,890,625</u>

8 0
3 years ago
Find a vector equation and parametric equations for the line through the point (7,4, 5) and parallel to the vector 3i 2j-k .
aleksley [76]

Answer: vector equation r = (7+3t)i + (4+2t)j + (5 - 5t)k

parametric equations: x = 7 + 3t; y = 4 + 2t; z = 5 - 5t

Step-by-step explanation: The vector equation is a line of the form:

r = r_{0} + t.v

where

r_{0} is the position vector;

v is the vector;

For point (7,4,5):

r_{0} = 7i + 4j + 5k

Then, the equation is:

r = 7i + 4j + 5k + t(3i + 2j - k)

<u><em>r = (7 + 3t)</em></u><u><em>i</em></u><u><em> + (4 + 2t)</em></u><u><em>j </em></u><u><em>+ (5 - 5t)</em></u><u><em>k</em></u>

The parametric equations of the line are of the form:

x = x_{0} + at

y = y_{0} + bt

z = z_{0} + ct

So, the parametric equations are:

<em><u>x = 7 + 3t</u></em>

<em><u>y = 4 + 2t</u></em>

<em><u>z = 5 - 5t</u></em>

4 0
3 years ago
Can a triangle have sides with the given lengths? Explain.<br> a = 6 yd, b = 9 yd, c = 11 yd
RideAnS [48]

Answer:

Step-by-step explanation:

Use the cosine rule and see if the numbers hold true. a^2 = b^2 + c^2 - (2bc (cos x))

By substituting in our values I get that cos x = 0.838... which is possible. If cos x would equal 1.5, the there is no solution and the triangle would not be possible.

3 0
2 years ago
The cost of five books is 71 dollars what is the cost of each book
Sedbober [7]
Divide 71 and 5 to get a decimal since 71 does not end with 5 or 0. Do it to get 14 1/5 or 14.2
5 0
3 years ago
Read 2 more answers
Explain why n &gt; 5 and 5 &gt; n are not equivalent.
klemol [59]

Answer:

yes it is not b/c

Step-by-step explanation:

if n is >5 ,5 is < n

4 0
3 years ago
Read 2 more answers
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