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exis [7]
3 years ago
14

X+y =10 Y=-x+10 System of equations

Mathematics
1 answer:
katovenus [111]3 years ago
3 0

Answer:

Infinite solutions

Step-by-step explanation:

x + y = 10

y = -x + 10

We'll choose one equation to use, x + y = 10

Substitute y with -x + 10

x - x + 10 = 10

x cancels each other out

10 = 10, which would also mean 0 = 0

This means the answer will validate with any number

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Find the factors of function f. Based on the factors, which statement is true about the graph of function f? A. The graph crosse
Bas_tet [7]

The option (D) the graph crosses the x-axis at the point (2, 0) is correct because the graph crosses x-axis at points (0, 0), (5, 0), (-2, 0), and (2, 0).

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

The question is incomplete.

The correct question is in the picture please refer to the attached picture.

We have a function:

f(x) = x⁴ - 5x³ - 4x² + 20x

By using factorization method:

\rm f(x) =x\left(x^3-5x^2-4x+20\right)

\rm f(x) =x\left(x-5\right)\left(x+2\right)\left(x-2\right)

By using zero product rule:

x = 0

x = 5

x = -2

x = 2

The graph crosses the x-axis at points (0, 0), (5, 0), (-2, 0), and (2, 0)

Thus, the option (D) the graph crosses the x-axis at the point (2, 0) is correct because the graph crosses the x-axis at points (0, 0), (5, 0), (-2, 0), and (2, 0).

Learn more about the function here:

brainly.com/question/5245372

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5 0
2 years ago
A new car is purchased for 20000 dollars. The value of the car depreciates at 12. 5% per year. What will the value of the car be
Georgia [21]

To solve the problem we need to know about depreciation.

<h2>Formula of Depreciation</h2>

The formula of depreciation is given as,

A = P(1-r)^t

where,

A is the value of an object after t years of time,

P is the value of the object at the beginning, and

r is the rate of depreciation.

The value of the car after 11 years is $4,603.81.

<h2>Explanation</h2>

Given to us

  • Cost of Car at the beginning, p = $20,000
  • Rate of depreciation, r = 12.5%
  • Time, t = 11 years

<h3>Value of the car after 11 years</h3>

Substituting the values in the formula of depreciation,

A = P(1-r)^t

Value of the car after 11 years = P(1-r)^n

                                                 = \$20,000(1-0.125)^{11}\\\\&#10;= \$20,000\times 0.23\\\\&#10;= \$4,603.822 \approx \$4,603.81

Hence, the value of the car after 11 years is $4,603.81.

Learn more about Depreciation:

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8 0
3 years ago
Janelle measures, to the nearest 1/8 inch, objects in her bedroom.
Karo-lina-s [1.5K]
The Answer: Tell Janelle to provide more information and perhaps a question instead of wasting your points. You’re welcome Janelle.
5 0
4 years ago
Please help asap 30 pts
IgorLugansk [536]

Answer:

second choice, or 2(m - 3) + 7 >= 11

Step-by-step explanation:

2(m - 3) + 7 >= 11

2m - 6 + 7 >= 11

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7 0
3 years ago
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olga nikolaevna [1]
2^7 * (3³-1) = 128*26=3328. better check the problem again
3 0
3 years ago
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