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Tema [17]
3 years ago
11

Describe how to find the number of seats on the middle and lower levels of the stadium when solving for the variable only gives

the number of seats on the upper level.
Mathematics
2 answers:
frozen [14]3 years ago
9 0

Answer:

Sample Response: Solving the equation gives only the number of upper-level seats, but that value can be used to solve for the other unknown values. To find the number of seats in the middle and upper levels, substitute the value of the variable into the expressions for the number of seats on those levels.

dezoksy [38]3 years ago
5 0

Answer:

Use the value for the variable to solve for the other unknowns.  Substitute the value for the variable into the expression for the number of seats on the middle level.  Substitute the value for the variable into the expression for the number of seats on the lower level.

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37.7in
ICE Princess25 [194]

Answer:

Rewrite the question correctly! it's totally absurd

8 0
3 years ago
The sum of a number divided by 5 and 12 is 16. What is the number?
Pachacha [2.7K]

x/5)+12=16

x/5=4

x=20

Hope this helps! Have a nice day!

8 0
3 years ago
Read 2 more answers
If points (7,a), (-5,2) and (3,6) are collinear, find a.
uysha [10]

Answer:

The value of a is 8

Step-by-step explanation:

If the three lines are collinear, they all lie on the same line

So let us have the equation of a line that passes through the known ends

the slope will be;

m = (6-2)/(3 + 5) = 4/8 = 1/2

The general form is;

y = mx + b

so, we have

y = 1/2x + b

To get b, we use any of the two known points

6 = 3/2 + b

b = 6-3/2

b = (12-3)/2 = 9/2

So the equation of the line is;

y = 1/2x + 9/2

Multiply through by 2

2y = x + 9

So for the point , to get a , we have that

2(a) = 7 + 9

2a = 16

a = 16/2

a = 8

7 0
2 years ago
Please help me answer this math problem
Vesnalui [34]

Answer:

The answer is AAS.

Step-by-step explanation:

Since you have 2 angles that are the same and 1 side which are the same or congruent.

A = E

and C=C they are vertical angles so they are the same

And the AB and ED  side are also same.

5 0
2 years ago
NO LINKS!!!!!
8090 [49]

9514 1404 393

Answer:

  5x^2 +10x = -5

Step-by-step explanation:

The equation will have one solution when the discriminant is zero.

In standard form, the equation is ...

  ax^2 +10x -c = 0

The discriminant of the equation ax^2+bx+c=0 is  ...

  b^2 -4ac

so the discriminant of your equation is ...

  10^2 -4a(-c) = 100 +4ac

We want that to be zero, so we require ...

  100 +4ac = 0

  25 +ac = 0

  ac = -25

Any pair of values of 'a' and 'c' that have a product of -25 will satisfy the requirement. As you state, one possible pair is a = 5 and c = -5. Putting these values into the given equation makes it ...

  5x^2 +10x = -5 . . . . . the equation with a=5, c=-5

_____

<em>Additional comment</em>

Your problem statement does not require that 'a' be non-zero. If <em>a=0</em>, then the equation will have one real solution for <em>any value of c</em>.

If you restrict the solutions to integers, then possibilities include ...

  (a, c) = (1, -25), (5, -5), (25, -1), (-25, 1), (-5, 5), (-1, 25)

6 0
2 years ago
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