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Delicious77 [7]
3 years ago
12

Help me please please I don't understand ​

Mathematics
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

1) After 2 years the value of the car decreases to $22,600.

2) d(0,-1) it just wouldn't be linear

3) a each number has one line drawn from and b just draw another letter going to more than one number

Step-by-step explanation:

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Quick help meeeeeeeeeeeeeee!!!!!1.Which equation has a graph that is parallel to the graph of 2x - 3y = 1?
andreev551 [17]
1.) A
2.) A
3.) D
Those r the answers
8 0
3 years ago
Let f(x) be a quartic polynomial with integer coefficients and four integer roots. Suppose the constant term of f(x) is 6.(a) Is
frez [133]

Answer:

  (a) yes

  (b) no; see below

Step-by-step explanation:

(a) Integer roots of the quartic will be integer divisors of 6. One of the divisors of 6 is 3, so 3 is a possible root.

(b) In order for 3 to be a double root, it would have to be a double factor of 6. The only integer factors of 6 are 1, 2, 3, 6. (3² = 9 is not one.)

___

The quartic can be written as ...

  k(x -a)(x -b)(x -c)(x -d) . . . . . where a, b, c, d, k are integers

The constant term will be kabcd, of which each of the roots is a factor. If the constant is 6 and one root is d=3, then we must have

  kabcd = 3kabc = 6

  kabc = 6/3 = 2

Among these four integer factors, there must be an even number of minus signs, and one that has the value ±2. Another root whose value is 3 will not satisfy the requirements.

3 0
3 years ago
The sum of the squares of two consecutive positive integers is 41. Find the two
Komok [63]

We have to present the number 41 as the sum of two squares of consecutive positive integers.

1² = 1

2² = 4

3² = 9

4² = 16

5² = 25

16 + 25 = 41

<h3>Answer: 4 and 5</h3>

Other method:

n, n + 1 - two consecutive positive integers

The equation:

n² + (n + 1)² = 41     <em>use (a + b)² = a² + 2ab + b²</em>

n² + n² + 2(n)(1) + 1² = 41

2n² + 2n + 1 = 41     <em>subtract 41 from both sides</em>

2n² + 2n - 40 = 0     <em>divide both sides by 2</em>

n² + n - 20 = 0

n² + 5n - 4n - 20= 0

n(n + 5) - 4(n + 5) = 0

(n + 5)(n - 4) = 0 ↔ n + 5 = 0 ∨ n - 4 =0

n = -5 < 0 ∨ n = 4 >0

n = 4

n + 1 = 4 + 1 = 5

<h3>Answer: 4 and 5.</h3>
7 0
3 years ago
Solve x2 - 4x + 1 = 0.<br> x= 2 + 2i15<br> x = 4+ V3<br> x = 2/3<br> x= -2-3
Lerok [7]

Answer:

x = 2 ± √ 3

Step-by-step explanation:

8 0
3 years ago
Max earned a 65% on his test. If there were 40 questions on. The test, how many did he miss?
liq [111]

Answer:

14

Step-by-step explanation:

40 = 100%

If Max got 65% correct, he got 35% wrong.

(100 - 65)

divide 40 by 100:

0.4

multiply by 35:

14

7 0
2 years ago
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