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11111nata11111 [884]
3 years ago
9

Please help? Is this correct i need tight now poease

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

Your answer is correct :) good job and keep it up!

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Use quadratic formula <br><br> y^2-14y= -44<br><br> what is the solution set?
andrezito [222]
<span>Given, y^2 - 14y = -44


Add 44 to both sides of the equation

</span>y^2 - 14y + 44 = -44 + 44<span>

</span>y^2 - 14y + 44 = 0


Using the quadratic formula x = [-b ± √(b² - 4ac)]/2a

Where,

a = 1

b = -14

c = 44



x = [-b ± √(b² - 4ac)]/2a

x =  [-(-14) ± √(-14² - 4(1)(44)]/2(1)

x = [14  ± √(196 - 176)]/2

x = [14  ± √20]/2

x = (14 + √20)/2 OR (14 - √20)/2

x = (14 + 4.472)/2 OR (14 - 4.472)/2

x = 18.472/2 OR 9.528/2

x = 9.236 OR 4.764


The solution set is {9.236, 4.764}



TO EXPRESS THE ANSWER IN RADICALS

x = [14 ± √20]/2

x = (14 + √20)/2 OR (14 - √20)/2

x = (14 + 2√5)/2 OR (14 - 2√5)/2

<span>x = 7+√5 OR 7-√5 
</span>

The solution set is {7+√5, 7-√5}

5 0
4 years ago
Which equation represents a parabola that opens upward, has a minimum at x = 3, and has a line of symmetry at x = 3?
Licemer1 [7]

Answer:

A. y = x^2 -6x + 13

Step-by-step explanation:

The parabola that opens up and has line of symmetry x=3 and a minimum at x=3  is

y=x^2-6x+13

The reason is that, we can write this function in the vertex form to get;

y=x^2-6x+(-3)^2+13-(-3)^2

y=(x-3)^2+13-9

y=(x-3)^2+4

Hence the line of symmetry is x=3 and the vertex is (3,4)

8 0
3 years ago
Read 2 more answers
What is the scale factor of a triangle with a vertex of A(–6, 4) that has been dilated with a center of dilation at the origin s
Rudiy27

Answer:

4

Step-by-step explanation:

I know this cause I did the quiz

6 0
4 years ago
Read 2 more answers
PLEASE HLEP WITH QUESTION ONE PLS
nordsb [41]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

a .

Parallel lines → a & c

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b .

Parallel lines → d & e

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c .

I couldn't read it....

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

d .

Parallel lines → ---

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

e .

Parallel lines → b & c

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

f .

Parallel lines → a & c

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

8 0
3 years ago
Given the following table, determine the missing value.
sergeinik [125]
We know that
Based on the table
Percent%=[1-Decay factor]*100%
so

for decay factor=0.98
Percent%=[1-0.98]*100%----> 2%

for decay factor=0.50
Percent%=[1-0.50]*100%---->50 %

for decay factor=0.64
Percent%=[1-0.64]*100%----> 36%

for decay factor=0.23
Percent%=[1-0.23]*100%----> 77%

therefore

the answer is
36%

6 0
3 years ago
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