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alex41 [277]
3 years ago
7

When looking at the graph of a quadratic, what should be looking for to determine solutions?

Mathematics
1 answer:
balandron [24]3 years ago
4 0
The solutions are the points where the graph intersects the x axis!
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Help me with number three plzzzz i took a picrure below
kvasek [131]
All you have to do to solve this problem is to put it into fraction form: if for every $4 Jo makes, Leila makes $3, then the fraction would be 3/4.

To solve this divide 60 by 4 to get 15 and then multiply 15 by 3 to get Leila's pay. 15*3=45

Check it by putting it into simplest form as a fraction to see if it checks:

45/60=3/4 and 3/4=3/4 so therefore Leila makes $45 in profit

3 0
3 years ago
The data show the traveler spend- ing in billions of dollars for a recent year for a sample of the states. Find the range, varia
Svetllana [295]

Solution :

Given data :

20.1     33.5     21.7      58.4     23.2     110.8     30.9

24.0    74.8     60.0

n = 10

Range : Arranging from lowest to highest.

20.1,   21.7,   23.2,    24.0,   30.9,    33.5,    58.4,    60.0,    74.8,   110.8

Range = low highest value - lowest value

           = 110.8 - 20.1

           = 90.7

Mean = $\frac{\sum x}{n}$

         $=\frac{20.1+21.7+23.2+24.0+30.9+33.5+58.4+60.0+74.8+110.8}{10}$

          $=\frac{457.4}{10}$

         $=45.74$

Sample standard deviation :

$S=\sqrt{\frac{1}{n-1}\sum(x-\mu)^2}$

$S=\sqrt{\frac{1}{10-1}(20.1-45.74)^2+(21.7-45.74)^2+(23.2-45.74)^2+(24.0-45.74)^2+(30.9-45)^2}$  

      \sqrt{(33.5-45.74)^2+(58.4-45.74)^2+(60.0-45.74)^2+(74.8-45.74)^2+(110.8-45.74)^2}

$S=\sqrt{\frac{1}{9}(657.4+577.9+508.0+472.6+220.2+149.8+160.2+203.3+844.4+4232.8)}$$S=\sqrt{\frac{1}{9}(8026.96)}$

$S=\sqrt{891.88}$

S = 29.8644

Variance = S^2

               =(29.8644)^2

               = 891.8823

6 0
2 years ago
WILL GIVE BRANLIEST! pls help thank you!
nordsb [41]

Answer:

12x+12 = 7x+56

Step-by-step explanation:

12 / (x+8) = 7 / (x+1)

We can use cross products

12 (x+1) = 7(x+8)

Distribute

12x+12 = 7x+56

3 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!
lukranit [14]

Answer:

Positive

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Which equation can be used to find T the number of tickets each class needs to sell so that the total amount raised is the same
sasho [114]

Answer:

C.

Step-by-step explanation:

If you know how much each class is selling tickets for and how much they've already raised then you take those two values and set them equal to each other.

<em>2.5t + 350 = 3t + 225</em>

To actually find the number of tickets each class would have to sell you would just solve for t.

5 0
2 years ago
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