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Anarel [89]
3 years ago
7

Solve: 2x + 3 = -1 im not that good at algebra type questions

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0


2x+3=-1         /-3

2x=-4        /:2

x=-2

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I need the answers pls!!!!<br>please​
Igoryamba

Answer:

(4x - 3)(5x - 8) = 20x^2 -47x + 24

Step-by-step explanation:

Given

(4x - 3)(5x - 8)

Required

Identify and correct error

The error is when the inner and outer terms are multiplied. i.e.

4x * -8 = -32x not 32x

-3 * 5x = -15x not 15x

So, the expression is:

(4x - 3)(5x - 8) = 20x^2 - 32x -15x + 24

(4x - 3)(5x - 8) = 20x^2 -47x + 24

6 0
3 years ago
What the correct answer now fast
Natali5045456 [20]

Answer:

y = 12.9

Step-by-step explanation:

To find the value of the side y, simply apply the law of cosines.

y^2 = (14)^2 + (9)^2 - 2(14)(9)cos(64)

y^2 = 196 + 81 - 110.47

y^2 = 166.53

y = 12.9

Therefore, your solution should be y = 12.9

Cheers.

7 0
3 years ago
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