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Stella [2.4K]
3 years ago
13

Find the directrix of the parabola y = (1/8)(x – 5)2 - 3.

Mathematics
1 answer:
V125BC [204]3 years ago
6 0
I have no idea. Quick question for you though since we are working on similar stuff. How do I write this equation in graphing form: y=2x^2-12x+19
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CORRECT ANSWER GETS BRAINLIEST A frequency table of grades has five classes​ (A, B,​ C, D,​ F) with frequencies of ​4,11 ​,15 ​,
ra1l [238]

Answer:

A = 10.5%

B = 28.9%

C = 39.5%

D = 18.4%

F = 2.6%

Step-by-step explanation:

Add all the frequencies together = 38

  • 4/38 × 100 = 10.5%
  • 11/38 × 100 = 28.9%
  • 15/38 × 100 = 39.5%
  • 7/38 × 100 = 18.4%
  • 1/38 × 100 = 2.6%

10.5 + 28.9 + 39.5 + 18.4 + 2.6 = 100%

5 0
3 years ago
PLEASE HELP PLEASE WILL GIVE BRAINILIEST 5 STARS AND THANK YOU TO WHOEVER CAN HELP!
Mnenie [13.5K]
Ok so the lines with two triangles are parralel to eachother. The lines with one are parallel to eachother.

The angle of 109° and angle of z° equal eachother. Z=109°

Since 109°, 33° and y° form a triangle, the sum of the angles will equal 180. Add 109 and 33 to get 142. Subtract 142 from 180 to get y°=38°.

Since z=109, this means that the triangle is congruent with the other. Since the congruent triangles are in a rhombus, then the angles are flipped. Thus, angle x =33°.

z=109°
y=38°
x=33°
3 0
3 years ago
7th grade math. Trying to find area. How do i find the area?
Komok [63]

Answer:

60

Step-by-step explanation:

A= bh

A = 6 x 10

A = 60

5 0
3 years ago
Read 2 more answers
2. What is the equation of the line that passes through (4, -5) and (6, -9)?
Anestetic [448]
Ok right now I’m going home now I’m
5 0
3 years ago
Find the constant of variation (k) for the inverse variation. Then write an equation for the inverse situation.
notka56 [123]

y = k/x

5 =k/7.5

k = 7.5/*5= 37.5

 answer is D

7 0
3 years ago
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