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lbvjy [14]
3 years ago
11

Y is this so hard? :/ i dont know, but its a test, pls get it right

Mathematics
1 answer:
kozerog [31]3 years ago
6 0

Answer:

test? :/

Step-by-step explanation:

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4 congruent kites and connected an inscribed within a rectangle. The rectangle is 4 inches wide and 8 inches long. A greeting ca
AveGali [126]

Given:

A rectangular greeting card uses a geometric design containing 4 congruent kites.

Consider the below figure attached with this question.

Length of card = 8 inches

Width of card = 4 inches

To find:

The area of one kite.

Solution:

The kites are connected to each other as shown below.

The length of a kite is:

\dfrac{8}{2}=4 inches

The width of a kite is:

\dfrac{4}{2}=2 inches

Area of a kite is:

A=\dfrac{1}{2}d_1d_2

Where, d_1,d_2 are diagonals of the kite.

Length and width of a kite are 4 inches and 2 inches respectively. So, the diagonals of a kite are 4 inches and 2 inches.

Using the above formula, we get

A=\dfrac{1}{2}(4)(2)

A=4

The area of a kite is 4 sq. in.

Therefore, the correct option is A.

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3 years ago
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valentina_108 [34]

Answer:

By changing 0.65 miles into fraction we got 65/100 and it's simplest form is 13/20 .

6 0
3 years ago
38% of 94 with steps
viktelen [127]

Answer:

35.72

Step-by-step explanation:

38% of 94:

38 * 94 = 3572

3572/100

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Robert has available 400 yards of fencing and wishes to enclose a rectangular area. Express the areaAof the rectangle as a funct
solong [7]

Answer:

The answer is below

Step-by-step explanation:

a)Given that the length of fencing available is 400 yards. This means that the perimeter of the rectangle is 400 yards.

the perimeter of a rectangle is given as:

Perimeter = 2(length + width) = 2(l + w)

Hence;

400 = 2(l + w)

200 = l + w

l = 200 - w

The area of a rectangle is given as:

Area = length × width

Area = (200 - w) × w

Area = 200w - w²

b) For a quadratic equation y = ax² + bx + c. it has a maximum at x = -b/2a

Hence, for the area = 200w - w² a=-1, b = 200, the maximum width is at:

w = -b/2a = -200/2(-1) = -200/-2 = 100

A width of 100 yard has the largest area

c) l = 200 - w = 200 - 100 = 100 yards

Area = l × w = 100 × 100 = 10000 yd²

The maximum area is 10000 yd²

7 0
3 years ago
What do the following two equations represent? y-3=2(x-3)y−3=2(x−3)y, minus, 3, equals, 2, left parenthesis, x, minus, 3, right
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Answer:

A: the same line

Step-by-step explanation:

khan academy

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