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Llana [10]
2 years ago
11

i need this answer quick pleasePeter bought 10 basketball, 20 baseballs, and 11 football at the sports store. The basketball cos

t $5.75 each, the baseballs cost $2.25 a piece, and the football was $5.00 each. How much money does he need to pay at the counter?
Mathematics
1 answer:
zvonat [6]2 years ago
7 0

157.5

$5.75 x 10 = 57.5

$2.25 x 20 = 45

$5.00 x 11 = 55

then you add all them together and you get 157.5

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Y=-3/2x+4

The slope is -3/2, since Kerry traveled three feet and only went down 2.

The y intercept is 4, since she started four feet above the origin
3 0
3 years ago
In high school Matt grew from weighing 95 pounds to 162 pounds. What was Matt's change in weight during high school
malfutka [58]
Matt's change of weight is 62 pounds

4 0
3 years ago
Today there are a total of six toll-free area codes: 800, 844, 855, 866, 877, and 888. Assume that all seven digits for the rest
Ludmilka [50]

Answer:

6 \times 10^{7}

Step-by-step explanation:

Total number of toll-free area codes = 6

A complete number will be of the form:

800-abc-defg

Where abcdefg can be any 7 numbers from 0 to 9. This holds true for all the 6 area codes.

Finding the possible toll free numbers for one area code and multiplying that by 6 will give use the total number of toll free numbers for all 6 area codes.

Considering: 800-abc-defg

The first number "a" can take any digit from 0 to 9. So there are 10 possibilities for this place. Similarly, the second number can take any digit from 0 to 9, so there are 10 possibilities for this place as well and same goes for all the 7 numbers.

Since, there are 10 possibilities for each of the 7 places, according to the fundamental principle of counting, the total possible toll free numbers for one area code would be:

Possible toll free numbers for 1 area code = 10 x 10 x 10 x 10 x 10 x 10 x 10 = 10^{7}

Since, there are 6 toll-free are codes in total, the total number of toll-free numbers for all 6 area codes = 6 \times 10^{7}

4 0
3 years ago
I need help!!!!!!!!!!!!!! how many pound are in 40 ounces. this is off or i ready. please help me!!!
kogti [31]

Answer:

2.5 pounds

Step-by-step explanation:

6 0
1 year ago
Read 2 more answers
A parabola has its maximum at (4, 8) and an x–intercept at x = –2.
Crazy boy [7]

The other x-intercept is at x = 10

Step-by-step explanation:

The vertex form of the parabola is y = a(x - h)² + k, where

  • (h , k) are the coordinates of the vertex point of the parabola
  • a is the leading coefficient of the equation of the parabola
  • If a < 0 , then the vertex point is maximum
  • If a > 0 , the the vertex point is minimum

∵ The parabola has a maximum point at (4 , 8)

∴ h = 4 and k = 8

∵ The form of the equation of the parabola is y = a(x - h)² + k

∴ The equation of the parabola is y = a(x - 4)² + 8

∵ The x-intercept is at x = -2

- x-intercept means the parabola intersects the x-axis at point (-2 , 0)

∵ x = -2 and y = 0

- Substitute these values in the equation above to find a

∴ 0 = a(-2 - 4)² + 8

∴ 0 = a(-6)² + 8

∴ 0 = 36 a + 8

- Subtract 36 a from both sides

∴ -36 a = 8

- Divide both sides by -36

∴ a = \frac{-2}{9}

∴ The equation of the parabola is y = \frac{-2}{9} (x - 4)² + 8

To find the other x-intercept substitute y by 0

∵ 0 = \frac{-2}{9} (x - 4)² + 8

- Subtract 8 from both sides

∴ -8 = \frac{-2}{9} (x - 4)²

- Divide both sides by \frac{-2}{9}

∴ 36 = (x - 4)²

- Take √ for both sides

∴ x - 4 = 6 or x - 4 = -6

- Add 4 to both sides

∴ x = 10 or x = -2

The other x-intercept is at x = 10

Learn more:

You can learn more about quadratic function in brainly.com/question/1332667

#LearnwithBrainly

3 0
3 years ago
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