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Vlad [161]
2 years ago
10

Lauren drew a tower using only similar quadrilaterals.

Mathematics
2 answers:
Nataly [62]2 years ago
8 0

The answers' B bro, well how are you doin'?

Sphinxa [80]2 years ago
6 0

Answer:

B. The quadrilaterals are all the same size and shape.

Step-by-step explanation:

Lauren was drawing a tower ONLY using SIMILAR quadrilaterals, so since that is, since the quadrilaterals are similar, then they must have the same size and shape.

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A banner is hung for a party. The
rewona [7]

Answer:

  • 8.5 feet

Explanation:

The function that can determine the distance from a point on the bottom edge of the banner to the floor is:

f(x)=0.25x^2-x+9.5

That function is a quadratic function which means that it is a parabola. Given that the coefficient of the quadratic term (0.25) is positive, the parabola open upwards, and the vertex is the lowest point of the parabola and it represents how high above the floor is the lowest point on the bottom edge of the banner.

So, you need to find the vertex of the parabola.

I will complete squares to find the form A(x -h)² + k, where h and k are the coordinates of the vertex (h, k).

f(x)=0.25x^2-x+9.5\\ \\ 4(f(x))=4(0.25x^2-x+9.5)\\ \\ 4f(x)=x^2-4x+38\\ \\ 4f(x)-38=x^2-4x\\ \\ 4f(x)-38+4=x^2-4x+4\\ \\ 4f(x)-34=(x-2)^2\\ \\ 4f(x)=(x-2)^2+34\\ \\ f(x)=(1/4)(x-2)^2+8.5

Hence, the vertex (h,k) is (2, 8.5), meaning that the lowest point on the bottom edge of the banner is at 2 feet from the left edge of the banner and 8.5 feet above the floor.

3 0
3 years ago
Eric and Bryan live next door to each other and are best friends. They love to play PlayStation each afternoon after school. Eri
maxonik [38]

Answer:

6; 54 is 6 times 9

Step-by-step explanation:

9x = 54

x = 54/9

x = 6

6 0
2 years ago
Can 7/9 and 42/54 form a proportion
SOVA2 [1]

Answer:

yes

Step-by-step explanation:

42/54 = 6*7/6*9 = 7/9

7/9 = 42/54

8 0
3 years ago
Read 2 more answers
How do you do this question?
Hitman42 [59]

The central angle corresponding to AOB is half of the 8pi/9 radians mentioned, meaning that the central angle of AOB is 4pi/9.

Converting that to degrees:

4pi/9 180 degrees

-------- * -------------------- = 80 degrees.

1 pi

4 0
3 years ago
Read 2 more answers
Find the supplementary angle.<br> 4. 80°<br> 5. 65°<br> 6. 34°
erastova [34]

Answer:

In a supplementary angle the angle is 360°

in a complementary angle the angle is 180°

5 0
2 years ago
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