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Sveta_85 [38]
3 years ago
14

Desiree spent 20% of her birthday money on a new bicycle. Which are equivalent tp 20%? Choose all equivalent expressions.

Mathematics
1 answer:
il63 [147K]3 years ago
3 0
1. 20/100
3. 0.2
4. 1/5
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1/3(9x+16+2) + 2x What is X
Flauer [41]
This is the answer if your question

3 0
3 years ago
Quadratics need help making parabola
timama [110]

Answer:

The equation of the parabola is y = \frac{1}{3}\cdot x^{2}-\frac{4}{3}\cdot x -4, whose real vertex is (x,y) = (2, -5.333), not (x,y) = (2, -5).

Step-by-step explanation:

A parabola is a second order polynomial. By Fundamental Theorem of Algebra we know that a second order polynomial can be formed when three distinct points are known. From statement we have the following information:

(x_{1}, y_{1}) = (-2, 0), (x_{2}, y_{2}) = (6, 0), (x_{3}, y_{3}) = (0, -4)

From definition of second order polynomial and the three points described above, we have the following system of linear equations:

4\cdot a -2\cdot b + c = 0 (1)

36\cdot a + 6\cdot b + c = 0 (2)

c = -4 (3)

The solution of this system is: a = \frac{1}{3}, b = - \frac{4}{3}, c = -4. Hence, the equation of the parabola is y = \frac{1}{3}\cdot x^{2}-\frac{4}{3}\cdot x -4. Lastly, we must check if (x,y) = (2, -5) belongs to the function. If we know that x = 2, then the value of y is:

y = \frac{1}{3}\cdot (2)^{2}-\frac{4}{3}\cdot (2) - 4

y = -5.333

(x,y) = (2, -5) does not belong to the function, the real point is (x,y) = (2, -5.333).

5 0
2 years ago
Hiii please help i’ll give brainliest thanks
Dima020 [189]

Answer:

coefficient is the term in front of the value

Hence the second term is 5b which means the value is 5

5 0
3 years ago
Please help!! thank you
uysha [10]

Answer: It would be E

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP ASAP! ILL MARK BRAINLIEST!! A farmer ships 4 times the amount of oranges as tangerines. The farmer ships 8,260 orang
Masja [62]

Answer:

2,065 tangerines

Step-by-step explanation:

4t = 8,260

t = tangerines

hope this helps :)

6 0
2 years ago
Read 2 more answers
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