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ANTONII [103]
2 years ago
11

Find the postive value of x when y = 25

Mathematics
2 answers:
tiny-mole [99]2 years ago
7 0
2/5 , i dont have an explanation but maybe try that! I just did the math on paper
AleksandrR [38]2 years ago
3 0

Answer: x = 2/5

Step-by-step explanation:

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Hey can you please help me posted picture of question
aleksandrvk [35]
The correct answer is D. Graph D

Find the Vertex of   <span>y = 3x2+7x+2

</span>Parabolas have a highest or a lowest point called the Vertex .   Our parabola opens up and accordingly has a lowest point (AKA absolute minimum) .   <span>We know this even before plotting </span> "y" <span> because the coefficient of the first term,</span> 3 , is positive (greater than zero).<span> 

 </span><span>Each parabola has a vertical line of symmetry that passes through its vertex. Because of this symmetry, the line of symmetry would, for example, pass through the midpoint of the two </span> x -intercepts (roots or solutions) of the parabola. That is, if the parabola has indeed two real solutions.<span> 

 </span>Parabolas can model many real life situations, such as the height above ground, of an object thrown upward, after some period of time. The vertex of the parabola can provide us with information, such as the maximum height that object, thrown upwards, can reach. For this reason we want to be able to find the coordinates of the vertex.<span> 

 </span>For any parabola,<span>Ax2+Bx+C,</span><span>the </span> x <span>-coordinate of the vertex is given by </span> -B/(2A) <span>. In our case the </span> x <span> coordinate is </span> -1.1667 <span> 

 </span><span>Plugging into the parabola formula </span> -1.1667 <span> for </span> x <span> we can calculate the </span> y -coordinate :<span> 
 </span><span> y = 3.0 * -1.17 * -1.17 + 7.0 * -1.17 + 2.0 
</span><span>or </span><span>  y = -2.083
</span>Parabola, Graphing Vertex and X-Intercepts :

Root plot for : <span> y = 3x2+7x+2</span>
Axis of Symmetry (dashed)  {x}={-1.17} 
Vertex at  {x,y} = {-1.17,-2.08}  
 x -Intercepts (Roots) :
Root 1 at  {x,y} = {-2.00, 0.00} 
Root 2 at<span>  {x,y} = {-0.33, 0.00} </span>

5 0
3 years ago
Read 2 more answers
Kim needed to fill up her trucks gasoline tank and gasoline costs $3.75 per gallon. If she paid $56.85, how many gallons of gas
Sidana [21]
She bought 15 gallons
8 0
3 years ago
Which situation could not represent a proportional relationship
SVETLANKA909090 [29]

Answer:

1/5 does not equal 3/11

Step-by-step explanation:

3 0
2 years ago
Eight children want to share 6 oranges so that everyone gets the same amount. How much of the oranges can each child have?
Leya [2.2K]
That would be 6 divided by 8 so the answer is 0.75 hope that helped!!
5 0
2 years ago
Read 2 more answers
I need help on this ASAP
Kruka [31]

Answer:

x = 6

Step-by-step explanation:

9x + 1 = 10x - 5

1 = x - 5

6 = x

8 0
3 years ago
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