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Elan Coil [88]
3 years ago
12

4 ALGEBRA 1B QUESTIONS - 70PTS

Mathematics
1 answer:
max2010maxim [7]3 years ago
6 0
They have two solutions
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The function y = x^2 - 4x + 5 approximates the height, y, of a bird, and its
Soloha48 [4]

Answer:

Option C and option D

Step-by-step explanation:

we have that

y=x^{2}-4x+5

This is the equation of a vertical parabola open upward

The vertex is a minimum

Convert the equation into vertex form

Complete the square

y-5=x^{2}-4x

y-5+4=x^{2}-4x+4

y-1=x^{2}-4x+4

y-1=(x-2)^{2}

y=(x-2)^{2}+1 ----> equation of the parabola in vertex form

The vertex is the point (2,1)

therefore

when the bird is 2 feet away from the first fence post, it reaches its minimum height of 1 foot

5 0
2 years ago
Will mark brainliest to best answer, i need it asap!!!!!!!!!!!!!
Paha777 [63]

Answer:

please mark me as brainlest

Step-by-step explanation:

B is the answers for the question

7 0
2 years ago
Read 2 more answers
Solve these questions. Pls show your work.
zhannawk [14.2K]
I solved it but don’t know how to show my work
6 0
3 years ago
Read 2 more answers
PLEASE HELP ME
lyudmila [28]
As seen, the graph is pointing/increasing upwards. This means that the graph is exponentially increasing. 

You notice there are significantly more spores at 4th hour than the first, therefore, this is an increasing trend. 

Hope I helped :) 
6 0
3 years ago
Read 2 more answers
The volume of a right cone is 17287 units³. If its circumference measures 247 units,
Nikolay [14]

The height of the right cone is 10.68 unit

<h3>What is Volume ?</h3>

Volume is defined as the space occupied by a three dimensional object.

Volume of a right cone is given  by

V = π r²h/3

C = 2 π r

r = 247/2 π

3 * 17287 =  π  r²h

3 * 17287 =  π *(247/2 π )²h

h = 51861 *π *4/61009

h = 10.68 unit

Therefore the height of the right cone is 10.68 unit.

To know more about Volume

brainly.com/question/1578538

#SPJ1

7 0
2 years ago
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