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3 years ago

Given the functions j(x) = x2 + 3 and k(x) = x2 − x + 4, which operation results in a 2nd degree polynomial?

1 answer:

8 0

Addition is the correct answer.

x^2 is the part where you get the second degree term. If you add x^2+x^2 you get 2x^2. If you subtract x^2-x^2 you get 0. If you multiply x^2*x^2 you get x^4, which is a fourth degree term

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Find the area of ABC Help

Katarina [22]

The value of the scale factor is 3. Then the height and area of the triangle ΔABC will be 9 ft and 54 square ft.

<h3>What is dilation?</h3>

Dilation means the changing of the size of the object without changing the shape. The size of the object may be increased or decreased based on the scale factor.

The area of the triangle ΔDEF is 6 square ft. And the base length of the triangle ΔDEF is 4 ft.

The area of the triangle is given as

$\rm Area = \dfrac{1}{2} \times bh\\\\$

Then the height of the triangle ΔDEF will be

$\rm 6 = \dfrac{1}{2} \times 4 \times h\\\\h = \dfrac{12}{4}\\\\h = 3$

Then the scale factor will be

$\rm SF = \dfrac{12}{4} = 3$

Then the height of the triangle ΔABC will be

$\rm \dfrac{H}{3} = 3\\\\H \ = 9$

Then the area of the dilated triangle ΔABC will be

$\rm Dilated \ Area = \dfrac{1}{2} \times 12 \times 9\\\\Dilated \ Area = 54 \ ft^2$

More about the dilation link is given below.

brainly.com/question/2856466

#SPJ1

6 0

1 year ago

Eight candy bars cost $6.00. Caulatue the cost per candy bar

natima [27]

Answer:

about $1.34

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

13. Diberi v = u + at, cari nilai t apabila v = v = 42 u=-8 dana - 5. A.10 B.8 C.6 D.4

LiRa [457]

Answer:

Lol mcm soalan kamu salah. Pilih A je

Step-by-step explanation:

v = 42
u = -8
a = -5

Masukkan nilai tersebut dalam persamaan v = u + at,

42 = -8 + (-5)t

50 = -5t

t = -10

3 0

2 years ago

Solve for k: A=5k/7y

Mashutka [201]

Answer:

7/5 * A *y =k

Step-by-step explanation:

A=5k/7y

Multiply each side by 7y

A* 7y = 5k/7y * 7y

7Ay = 5k

Divide by 5

7Ay/5 = 5k/5

7/5 * A *y =k

4 0

2 years ago

A radius is an angle that connects any point on the circle to the center of that circle.

Flura [38]

The answer is false.

A radius is a segment that connects any point on the circle to the center of said circle. An angle requires two lines, and a radius only consists of one line, which further proves that this statement is false.

6 0

3 years ago