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frez [133]
3 years ago
6

The two triangles shown are congruent: ΔFHG ≅ ΔJKL. Based on this information, which of the following is a true statement?

Mathematics
2 answers:
alex41 [277]3 years ago
8 0
Answer is C this a math is subtracted and I know
julia-pushkina [17]3 years ago
5 0

Answer:

Answer is C) Angle G is congruent to Angle L

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1. Use precise mathematical language to justify and explain each mathematical process.
iris [78.8K]

Mathematical processes are the steps used to determine the result of operations

  • The perimeter of the rectangle is 10x^2 - 14x + 28
  • The area of the rectangle is 5x^3 +17x^2  -31x + 45

The dimension of the rectangle is given as:

Length = 5x^2 - 8x + 9

Width = x + 5

<u>(1) The perimeter of the triangle</u>

This is the sum of the side lengths of the rectangle.

So, we have:

Perimeter = 2 \times (Length + Width)

This gives

Perimeter = 2 \times (5x^2 - 8x + 9 + x + 5)

Collect like terms

Perimeter = 2 \times (5x^2 - 7x + 14)

Open brackets

Perimeter = 10x^2 - 14x + 28

Hence, the perimeter of the rectangle is 10x^2 - 14x + 28

<u>(2) The area of the triangle</u>

This is the product of the dimensions of the rectangle.

So, we have:

Area = Length \times  Width

This gives

Area = (5x^2 - 8x + 9) \times  (x + 5)

Open brackets

Area = 5x^3 - 8x^2 + 9x +25x^2 - 40x + 45

Collect like terms

Area = 5x^3 - 8x^2 +25x^2+ 9x  - 40x + 45

Area = 5x^3 +17x^2  -31x + 45

Hence, the area of the rectangle is 5x^3 +17x^2  -31x + 45

Read more about areas and perimeters at:

brainly.com/question/15656646

6 0
2 years ago
The graph of f(x) is shown below. On a coordinate plane, a straight line has a negative slope and goes through (0, 6) and (3, 0)
Rudik [331]

Answer:

The intersection point is (2,2)

Step-by-step explanation:

First let's find the equation of f(x), using the linear model:

f(x) = ax + b

Using the point (0, 6), we have:

6 = a*0 + b\\b = 6

Using the point (3, 0), we have:

0 = a*3 + 6\\3a = -6\\a = -2

So we have that f(x) = -2x + 6

To find f'(x) (the inverse of f(x)), we can substitute f(x) by x and x by f'(x) in the equation of f(x) and then isolate f'(x):

x = -2f'(x) + 6\\2f'(x) = -x + 6\\f'(x) = -x/2 + 3

Now, to find the intersection point, we need to calculate f(x) = f'(x):

-2x + 6 = -x/2 + 3\\3x/2 = 3\\3x = 6\\x = 2

And the y-value is:

y = -2x + 6 = -2*2 + 6 = 2

So the point is (2,2)

4 0
3 years ago
Which angles are vertical angles?
shutvik [7]

Answer:

<DCA and <BCF

Step-by-step explanation:

The vertically opposite angles are the angles <DCA and <BCF. These angles are always equal.

  • When two lines cross, two angles that are vertical two one another are equal.
  • They are know as vertically opposite angles.
  • When two straight lines cross each other, four angles are produced.
  • The two vertically opposite have the same values.

6 0
3 years ago
What is the perimeter, in centimeters, of the figure
xeze [42]

Answer:

30 cm

Step-by-step explanation:

add all sides and use 7 for the bottom line because 5+2=7 and use 8 for the side because 5+3=8.

5 0
2 years ago
Lisa had $4.26 in her purse. She bought some school supplies for $2.75. How much money does Lisa have left?
Mama L [17]

Answer:

$1.51

Step-by-step explanation:

take 4.26 and subtract 2.75.

7 0
3 years ago
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