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Lesechka [4]
3 years ago
11

PLEASE HELP!!!

Mathematics
2 answers:
ElenaW [278]3 years ago
4 0

Answer:

Option B). Area of the rectangular region is 264 yd².

Step-by-step explanation:

It has been given in the question that a 68 yd of rope was used to rope off all four sides of a rectangular region.

Width of the region is 12 yd.

Since length of the rope is the perimeter of the rectangular region.

Therefore 2×(length + width) = 68

2(length + 12) = 68

2×length + 24 = 68

2×length = 68 - 24 = 44

Length = 44/2 = 22 yd

Therefore area of the rectangular region = 22×12 = 264 yd²

Option B) 264 yd² is the region.

SVETLANKA909090 [29]3 years ago
4 0

Answer:

answer is B i took a test on it

Step-by-step explanation:

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Agata [3.3K]
The answer to this question would be x-19
5 0
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The number of students in Mrs. Patrick's piano class decreased by 15% in 2 years to 17 students. How many students did she have
guapka [62]

Answer:

20 students

Step-by-step explanation:

If the class decreased by 15%, the students that she has now (17) represents a percentaje of:

100% - 15% = 85%

so<u> the 17 students are 85% of what she had</u>:

Students         Percentage

      17          ⇒        85%

and we are looking for how many students she had 2 years ago, thus we are looking for the <u>100%</u> of students (the original number of studens). If we represent this number by x:

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      x          ⇒        100%

and we solve this problem using the <u>rule of three</u>: multiply the cross quantities on the table( 17 and 100) and then divide by the remaining amount (85):

x = 17*100/85

x = 1700/85

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2 years ago she had 20 students

6 0
3 years ago
a bird is flying at a true bearing of 75 degree's at a speed of 40 miles per hour. Write the velocity of the bird as a vector in
Allisa [31]

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Step-by-step explanation:

The velocity is written as (vx, vy)

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In usual notation, the angles are measured counterclockwise from the positive x-axis.

We know that the angle is 75°, this means that the velocity in the x-axis will be equal to the total velocity of the bird projected in the x-axis (suppose a triangle rectangle, where the velocity is the hypotenuse, the x component is a cathetus and the y component is other cathetus)

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3 years ago
Which expression is equivalent to the quantity five raised to the negative second power times three raised to the fifth power en
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The equivalent expression is 5^(4) * 3^(-10)

<h3>How to determine the equivalent expression?</h3>

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five raised to the negative second power times three raised to the fifth power end quantity all raised to the negative second power

Rewrite properly as:

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Expand the expression by multiplying the exponents

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5^(-2 -2) * 3^(5 *-2)

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Read more about expression at

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6 0
1 year ago
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5 0
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