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erik [133]
3 years ago
9

Select the correct answer.

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
8 0

Answer:

a

Step-by-step explanation:

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10. In the figure below, ABCD is a square. DEFC, BCGH and AEFB are all
zysi [14]

Answer:

a) As sides of squares are always equal.

So,

BC=CD

2b+CF=a+b

CF= a+b-2b

CF= a-b

b) Area of rectangle CDEF= CDxCF

=(a+b)(a-b)

=(a²-b²)

Hope it helps :-)

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3 years ago
Today, a round-trip plane ticket from Los Angeles to New York costs $350. If the average annual inflation rate is 2.5%, how much
Brrunno [24]
Answer = 875

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4 0
3 years ago
A parallelogram has a height of x cm. The length of its base is 4 cm greater than its height. A triangle has the same height as
LuckyWell [14K]

The value of x when the triangle and the parallelogram have the same area is 6 units

<h3>The dimensions</h3>

The dimension of the parallelogram is given as:

  • Height = x
  • Base = 4 + x

The dimension of the triangle is given as:

  • Height = x
  • Base = 20

<h3>Areas</h3>

The area of a shape is the amount of space it occupies

The area of the parallelogram is calculated as:

Area = x (4 + x)

The area of the triangle is calculated as:

Area = 0.5 \times 20 \times x

Area = 10x

Both areas are equal.

So, we have:

x(4 + x) = 10x

Divide both sides by x

4 + x = 10

Subtract 4 from both sides

x =6

Hence, the value of x is 6 units

Read more about areas at:

brainly.com/question/2126265

4 0
2 years ago
What statement is true for f(x) = 3.2^x?
goblinko [34]

Answer:

Step-by-step explanation:

7 0
2 years ago
What is the equation of the line that passes through (5, -2) and (-3, 4)?
Zarrin [17]
The answer is 3x+4y-7=0. The line will have a negative slope. 
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3 years ago
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