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KiRa [710]
3 years ago
12

Given the trinomial 5x^2 - 2x- 3 predict the type of solutions

Mathematics
1 answer:
Firdavs [7]3 years ago
8 0

Answer:

One rational solution

Step-by-step explanation:

proof

5x2 - 2x - 3=0, the sum of coefficients is 5-2-3=0, so the equation has exactly two solutions, x=1, and x = -3/5 this last is the one rational solution

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Drag the amounts to order them from greatest to least.
pogonyaev

Answer:

answer is c i did the test

Step-by-step explanation:

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Choice two: a segment that doesn’t pass through the center of dilation in the pre-image is parallel to its corresponding segment in the image
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Jessica cannot remember the correct order of the five digits in her id number. she does remember that the id number contains the
Phantasy [73]
Well 4 out of the 5 are odd.  So the probability the first digit is odd is (4/5) since that digit is no longer available, then the probability the second digit is odd is (3/4), then for the third (2/3), then the forth (1/2).

So to find the first four being odd is (4/5)*(3/4)*(2/3)*(1/2) = 24/120 = .20
4 0
3 years ago
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A boat costs $19,200 and decreases in value by 12% per year. How much will the boat be worth after 5 years?
Scilla [17]
The boat will be worth $10,132.45 after 5 years.

Year                    12%                  Value
0                                                $19,200
1                      2,304                    16,896
2                      2,027.52                14,868.48
3                      1,784.22                13,084.26
4                      1,570.11                11,514.15
5                      1,381.70                10,132.45

OR YOU CAN JUST DO IT LIKE THIS.

100% - 12% = 88% / 100% = 0.88

$19,200 * 0.88 * 0.88 * 0.88 * 0.88 * 0.88 = 10,132.4528

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6 0
3 years ago
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Find the distance, in feet, a particle travels in its first 2 seconds of travel, if it moves according to the velocity equation
just olya [345]

Answer:

The particle will travel 6 feet in first 2 seconds.

Step-by-step explanation:

We have been given that a particle moves according to the velocity equation v(t)= 6t^2-18t+12. We are asked to find the distance that the particle will travel in its first 2 seconds.

s(t)=\int |v(t)|dt

s(t)=\int\limits^2_0 |6t^2-18t+12|dt

Now, we will eliminate the absolute value sign as:

s(t)=\int\limits^1_0 6t^2-18t+12dt+\int\limits^2_1 -6t^2+18t-12dt

s(t)=[\frac{6t^3}{3}-\frac{18t^2}{2}+12t]^1_0 +[\frac{-6t^3}{3}+\frac{18t^2}{2}-12t]^2_1

s(t)=[2t^3-9t^2+12t]^1_0 +[-2t^3+9t^2-12t]^2_1

s(2)=2(1)^3-9(1)^2+12(1)-(2(0)^3-9(0)^2+12(0))-2(2)^3+9(2)^2-12(2)-(-2(1)^3+9(1)^2-12(1))

s(2)=2-9+12-(0)-16+36-24-(-2+9-12)

s(2)=5-(0)-4-(-5)

s(2)=5-4+5

s(2)=6

Therefore, the particle will travel 6 feet in first 2 seconds.

   

 

7 0
3 years ago
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