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vitfil [10]
3 years ago
6

Question 1 of 10

Mathematics
2 answers:
jonny [76]3 years ago
8 0

Answer:

A.

Step-by-step explanation:

Just did it

kvasek [131]3 years ago
4 0

Given:

A parabola opens up or down and its vertex is at the point (h, v).

To find:

The equation of the parabola.

Solution:

A parabola opens up or down. It means it is a vertical parabola.

The vertex form of a vertical parabola is

y=a(x-h)^2+k             ...(i)

Where, a is constant and (h,k) is vertex.

The vertex of given parabola is at point (h,v). Putting h=h and k=v in (i), we get

y=a(x-h)^2+v

The required equation of the parabola is y=a(x-h)^2+v.

Therefore, the correct option is A.

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3: Bob has four boards of equal length and wants to be sure that his garden is square. How can he ensure the garden is square by
bearhunter [10]
3. I believe the answer is C & A, arrange the boards so that the diagonals bisects and  are perpendicular. A rhombus is a Quadrilateral with all its sides equal to each other. The diagonals of  a rhombus are perpendicular to each other and bisects each other.

4.The corresponding pairs of base angles of a trapezoid add up to 180 degrees, (they are supplementary), While all the angles (the four angles add up to 360 degrees)
Therefore; in this case the two angles are equal
    hence, 19x + 8 = 11x+16    solving for x
                           x = 1
substituting x in either of the expression
The angle = 27 °
 
5. The diagonals of a rhombus bisects each other at right angles; the are perpendicular,
hence,
m∠1= 10x = 90
                 x = 9

m∠2 = x + y =90
but x = 9,
thus, y = 81

m∠3 = 5z= 90
              z =18

10. A kite is a Quadrilateral with two equal sides and the other two sides equal. 
thus, y-4 = 5x+2   and x +22 = 3x +10
solving for x
x+22 = 3x +10
   2x = 12
     x = 6
y-4 = 5x +2
  y-4 = 5(6) +2
      y = 36.

11.a. RHOM is a Quadrilateral with four equal sides
     b. The four sides RH, OH, OM, and RM are equal, They are all congruent
     c   HM and HM is the diagonal, which forms the corresponding sides of triangle MRH and triangle MOH 
      d.  Triangle MRH and triangle MOH are congruent, SSS, and similar to each other.  



                      
7 0
3 years ago
HELP ASAP PLEASE Some of the measurements of the triangular prism with a right triangle base are shown.
geniusboy [140]

Answer:

4*sqrt(2)

Step-by-step explanation:

lets use Pythagorean Theorem

a^2+b^2=c^2

4^2+4^2=c^2

16+16=c^2

32=c^2

|c|=sqrt(32)

|c|=sqrt(4*4*2)

|c|=4*sqrt(2)

c= ±4*sqrt(2)

since distance can't be negative, the answer is +4*sqrt(2) or just 4*sqrt(2)

4 0
3 years ago
What is the solution of the system? use substitution. 5x - y =3 6x - y=8
Bess [88]
5x - y = 3 ------------ (1)
6x - y = 8 ------------ (2)

From (1):
5x - y = 3
y = 5x - 3 ------------ Sub into (2)

6x - (5x - 3) = 8
6x - 5x + 3 = 8
x + 3 = 8
x = 5 ------------------- Sub into (1)

5x - y = 3
5(5) - y = 3
25 - y = 3
y = 25 - 3
y = 22

---------------------------------
Ans: x = 5, y = 22
---------------------------------

5 0
3 years ago
What is 25% of 24 squares
Hunter-Best [27]
6 because 25%=1/4 of a number, and 6x4=24. So 1/4 or 25% of 24 is 6
6 0
4 years ago
Read 2 more answers
Clara's suitcase weighs 58 1/4 pounds, but the airline's weight limit for suitcases is 50 pounds. How much weight does she need
sergij07 [2.7K]
8 pounds and 4 oz. 58.04 - 8.04=50
5 0
3 years ago
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