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NeX [460]
2 years ago
9

18/4(-11.5) Answer that question Thank You!!!

Mathematics
1 answer:
Paha777 [63]2 years ago
3 0

Answer: 207/4 or -51.75

Step-by-step explanation:

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Kona ice charges 4.50 for their large cup. Each refill on the cup cost $1.25. If Jason has 19.50, how many refills can he get be
Tasya [4]

Answer:

12

Step-by-step explanation:

19.50-4.50=15

15÷1.25=12

8 0
2 years ago
2. A number a is fewer than -6 or no less than - 3 .
damaskus [11]

Answer:

a<-6 or a≤-3

Step-by-step explanation:

5 0
3 years ago
The foci and the directrices of the hyperbola are labeled. Which equation represents the hyperbola? (x-3)^2/16 - y^2/9= 1 x^2/16
Gnom [1K]

Answer:

Step-by-step explanation:

Hyperbola are generally written as

(x-h)² / a² - (y-k)² / b² = 1

Where,

(h, k) is the center is

"a" is the semi-transverse axis

"b" is the semi-conjugate axis

The focus and the directives is generally describe as

The foci of the graph are

(h + a⋅e, k) and (h − a⋅e, k)

The directrices of the graph are

x = h + a / e and x = h − a / e

Comparing this to the equation given

1. (x-3)² / 4² - y² / 3² = 1

This is an hyperbole of centre (3,0)

And parallel to the x axis

2. x² / 4² - (y-3)² / 3² = 1

This is also an hyperbole of center (0,3) and parallel to the x axis

3. (y-3)² / 3² - x² / 4² = 1

This is an hyperbole parallel to the x axis

4. y² / 3² - (x-3)² / 1² = 1

This is an hyperbole parallel to the y-axis

5 0
2 years ago
What is the equation for the flight of the ball
notsponge [240]

Answer:

Option 2.

Step-by-step explanation:

To solve this, let's first find the values given to us.

The two x-intercepts are (4, 0) and (12, 0).

The parabola opens downward, meaning the value of a should be negative.

The vertex is (8, 32).

We know it is 8 because the halfway point between the x-intercepts is 8.

We can already eliminate option 3 because option 3 has a positive value of a.

This leaves us with options 1, 2, and 4.

The easiest way to figure out which option is correct is to graph the remaining functions in a graphing calculator.

The graph of a function that meets all of the above values is the correct function.

After graphing all of the functions, option 2 was the only one that had a vertex of (8, 32). So, option 2 is correct.

6 0
2 years ago
17.16 is 62.4% of what number?
Step2247 [10]
17.16 is 62.4% of what number?

'is' indicates an equal sign.

62.4% = 0.624

'of' indicates multiplication

'what number' indicates an unknown value that we can call 'x'

17.16 = 0.624 * x

17.16 = 0.624x

Divide 0.624 to both sides:

x = 27.5
3 0
3 years ago
Read 2 more answers
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