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emmasim [6.3K]
3 years ago
6

How many ways to use when finding the quadratic equations​

Mathematics
1 answer:
vekshin13 years ago
6 0

Answer:

three

Step-by-step explanation:

1) solving for roots

2) Quadratic formula

3) By completing square

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A car travels 17 miles on one gallon of gas
zmey [24]

When x =170, y =10, when x = 187, y = 1, when x = 204, y = 12, when x = 221, y = 13, when x = 238, y = 14, when x = 255, y = 15, when x = 272, y = 16, when x = 289, y = 17, when x = 306, y = 18, when x = 323, y = 19, when x = 340, y = 20,

Step-by-step explanation:

Step 1; Assume y is the gallons in the tank while x is the range of the car. We need to determine the equation relating the y to the x values in the given coordinates. x is the dependent value whereas y is the independent value i.e. the value of x depends on the value of y.

Step 2; As y increases, x also increases. For every extra gallon in the tank, the car can go another 17 miles. So with y as the amount of gas in the tank in gallons and x as the range of vehicle, we get;

x = 17y, this represents the relation between x and y.

To find the gallons in the tank, y = \frac{x}{17},

For x = 170, y = \frac{170}{17} = 10,

Similarly equating the values we get that when x = 187, y = 11,

when x = 204, y = 12,

when x = 221, y = 13,

when x = 238, y = 14,

when x = 255, y = 15,

when x = 272, y = 16,

when x = 289, y = 17,

when x = 306, y = 18,

when x = 323, y = 19,

when x = 340, y = 20,

8 0
3 years ago
The local animal shelter throws a dog-themed party. Humans, h, and dogs, d are both invited. The event space imposes two restric
lana66690 [7]
What type of math is this problem? Is it advanced?

6 0
3 years ago
Read 2 more answers
Match each quadratic function to its graph.
Ede4ka [16]

Answer:

You have to have the graph to answer it.

Step-by-step explanation:

6 0
3 years ago
The chess club has 16 members and gains a new member every month. the film club has 4 members and gains 4 new members every mont
steposvetlana [31]
<span>For chess club:
y1 = 16 + 1*x where y1 = total number of members after x months .
For film club:
y2 = 4 + 4*x where y2 = total number of members after x months.

y1 = y2 when:
16 + x = 4 + 4x
3x = 12
x = 4 months
Answer: C. 4 months.</span>
3 0
3 years ago
working together Alberto and Amanda can paint a fence in 4.12 hours. had she done it alone it would have taken Amanda 10 hours.
nata0808 [166]

Answer:

10 hrs

Step-by-step explanation:

4.12/2 = 2.06 hrs / person

8 0
3 years ago
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