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vekshin1
3 years ago
6

How to solve f(x)=x2-8x+5

Mathematics
1 answer:
vfiekz [6]3 years ago
4 0

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex:  

(

4

,

−

11

)

Focus:  

(

4

,

−

43

4

)

Axis of Symmetry:  

x

=

4

Directrix:  

y

=

−

45

4

x

y

2

−

7

3

−

10

4

−

11

5

−

10

6

−

7

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Answer: what grade is this

Step-by-step explanation:

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3 years ago
The length of a rectangle is 17 m and the width is 12 m what is the perimeter of the rectangle
lbvjy [14]

Answer:

<h2>The answer is 58 m</h2>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

From the question

length = 17 m

width = 12 m

Substitute the values into the above formula and solve for the perimeter

We have

Perimeter = 2(17) + 2(12)

= 34 + 24

We have the final answer as

<h3>58 m</h3>

Hope this helps you

5 0
3 years ago
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astra-53 [7]
This is a percent problem which means 
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nikklg [1K]
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6 0
3 years ago
Liquid products were first obtained from coal in England during the 1700s. Lamp oil was produced from coal in the United States
jolli1 [7]

Answer:

b) The data is bell shaped hence the assumption of X been normally distributed is correct

c) The categories are

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d) attached below

e) The probability of < 7 gallons = 0.167

Step-by-step explanation:

<u>a) stem and leaf diagram for these data </u>

stem             leaf

5               .3

6               .1, .2, .2, .2, .5, .7, .7, .8

7               .1, .1, .1, .3, .4, .4, .4, .6, .6, .6, .7, .7, .8, .9, .9, .9

8              .0, .1, .1, .2, .2, .2, .4, .5, .7, .7, .7, .8, .8

9              .0, .1, .2, .3, .5, .5, .6, .6, .7

10             0

b) The data is bell shaped hence the assumption of X been normally distributed is correct

c) The categories are

  <  5, 5-6, 6-7, 7-8,  8-9, 9-10

d) attached below

e) The probability of < 7 gallons = 0.167

6 0
3 years ago
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