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Misha Larkins [42]
2 years ago
6

7 Which of following equations represents the

Mathematics
1 answer:
Alisiya [41]2 years ago
7 0

Answer:

y=5x

Step-by-step explanation:

slope =5

y intercept= 0

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I NEED HELP PEOPLE LAST TIME
Hoochie [10]

29.

f(x) = -x^2-7x-6

As x \to \pm \infty, y \to - \infty.

This can be easily verified by looking at the graph (graph of a quadratic equation).

30.

The growth of a population is not linear, it's exponential.

31.

Exponential growth > polynomial, so y = 3^x.

35.

V(t) = 30\cdot (25)^{\frac{t}{20}}

The question is asking V(t) for t = 40.

V(40) = 30\cdot (25)^{\frac{40}{20}} \\~\\V(40) = 30\cdot 25^2 \\~\\V(40) = 30\cdot 625 \\~\\V(40) = 18750

36.

The point of symmetry of a quadratic equation y = ax^2+bx+c is at its vertice:

V_x = \dfrac{-b}{2a}

V_x = \dfrac{6}{2}

V_x = 3

The line is x= 3.

3 0
2 years ago
Which ordered pair is a solution to the system of equations?
tatyana61 [14]
2x - y = -2 . . . (1)
5x - 2y = -7 . . . (2)
From (1), y = 2x + 2 . . . (3)
Putting (3) into (2), gives:
5x - 2(2x + 2) = -7
5x - 4x - 4 = -7
x - 4 = -7
x = -7 + 4 = -3
y = 2(-3) + 2 = -6 + 2 = -4.

Therefore, the required answer is (-3, -4)
6 0
3 years ago
Read 2 more answers
PLZ HELP FAST!??!!!!​
masha68 [24]

Answer:

use math   way

Step-by-step explanation:

look up math   way

5 0
3 years ago
A grocery store sells a bag of 4 oranges for $2.84. If arianna spent &3.55 on oranges, how many did she buy?
iogann1982 [59]

Answer:

5 dollors i just tookthe test 4

Step-by-step explanation:

5 0
3 years ago
Simplify the expression -3(x+3)-3+3x into standard form
timofeeve [1]
That in standard form would be 12
6 0
3 years ago
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