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Over [174]
3 years ago
13

What is the formula for axis of symitry and vertex of a porabala?

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
5 0
Axis of symmetry is x=-b/2a

& the coordinate of the vertex (-b/2a, b^2/4a)
blsea [12.9K]3 years ago
3 0
Axis of Symmetry: x = -b/2a
Vertex: y = Ax² + By + c  
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Theresa has $12 in nickels and quarters. If she has the same number of each kind of coin, how many nickels and quarters does she
postnew [5]

Answer: She has 40 nickels and 40 quarters .

Step-by-step explanation:

Let be "n" the number of nickels Theresa has and "q" the number of quarters Theresa has.

You know that she has a total of $12 in nickels and quarters. In cents, this is:

\$12*100=1,200\ cents

Then, based on this you can write the following expression:

5n+25q=1,200

Since n=q, you can rewrite it as:

5n+25n=1,200

Solving for "n", you get:

30n=1,200\\\\n=\frac{1,200}{30}\\\\n=40

Therefore she has 40 nickels and 40 quarters .

7 0
3 years ago
Show all your work!!! <br><br> B is already wrong (TRUST ME)
Blizzard [7]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If 35+(16x-8)+(2x+9)=180 what does x equal
Mnenie [13.5K]

Answer:

x = 8

Step-by-step explanation:

combine like terms:

18x + 36 = 180

18x = 180-36

18x = 144

x = 144/18

x = 8

3 0
3 years ago
Solve each equation 3m-3/5=2m-1/2
Kazeer [188]

Answer:

m= 1/10

Step-by-step explanation:

1. Move the terms so that will be 3m - 2m=-1/2 + 3/5

2. Subtract the m values so that will be 3m - 2m= 1 or m

3. Calculate the sum.

4. So the answer will be m= 1/10. M because we subtracted 2 from 3 which make us 1 so we say it m and 1/10 by doing 1/2 + 3/5.

3 0
3 years ago
Read 2 more answers
How do I find the all of the angle measures of a kite with only one given angle?
ohaa [14]
Use the geometery rules of a kite to fiugure it out
8 0
2 years ago
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