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Pavlova-9 [17]
2 years ago
15

Question 11 12 and 13 Will be brainliest 20 POINTS NO EXPLANATION NEEDED

Mathematics
1 answer:
Mice21 [21]2 years ago
5 0

i read in class 4 but I don't explain the answer

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The graph of a function f is shown below.<br> Find f (2)
liberstina [14]

Answer:  f(2) is 3.

Step-by-step explanation:

f(2) just means "what is the vale of the function, f, when x = 2?  Look for x=2 and read the y value where the line crosses x=2, in this case, the y value is 3.  So f(2) = 3.

======

[One could also determine the equation for the line.  Provided below.]  

The slope is -(1/2) and the y-intercept is 4:

y = -(1/2)x + 4

For x=2,

y = -(1/2)*(2) + 4

y = 3  

y(2) = 3  

4 0
3 years ago
. Which equation represents y = −x2 + 4x − 1 in vertex form?
Stels [109]

Answer:

Rewrite in vertex form and use this form to find the vertex  

(

h

,

k

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.

(

2

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3

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Step-by-step explanation:

6 0
3 years ago
The length of segment EF is 8 units, the length of segment ED is 10 units, and the length of segment EA is 13.33 units. Find the
ivanzaharov [21]

Answer:

5.33 unit

Step-by-step explanation:

logically FA = EA - EF = 13.33-8 = 5.33 units

Since, E, F and A all lie on the same line EA . The information ED=  units is redundant. Therefore we can say that FA= 5.33 unit

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3 years ago
A builder makes all the ramps with a base to height ratio of 12 to 1 to be wheelchair accessible see diagram below which is not
Annette [7]

Answer:

9.63

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help if u cant read tell me i will send you a pic agan
Oduvanchick [21]
Their is no picture
5 0
4 years ago
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