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ELEN [110]
3 years ago
10

Solve using the quadratic formula: (Standard form 1st!) 2x^2-2x=24

Mathematics
1 answer:
Flura [38]3 years ago
5 0

Answer:

4, -3

Step-by-step explanation:

The quadratic formula is \frac{-b+-\sqrt{b^2-4ac} }{2a}.

When using the formula for both the negative and positive value of the sqrt, you will get:

x = 4, -3

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(4) (5) Geometry help
MissTica
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3 years ago
The perimeter of a triangle is 37. One side of triangle is one foot longer than the second side. The third side is tgree feet lo
disa [49]

Answer:

First: 12 feet

Second: 11 feet

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Step-by-step explanation:

Let the second side of the traingle be x

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x = 11

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3 years ago
A number decreased by 4 is greater than 13 solve pls
eimsori [14]

Answer:  

Year 10 Interactive Maths - Second Edition

Problem Solving

Linear equations are often used to solve practical problems that have an unknown quantity. We use a suitable pronumeral to represent the unknown quantity, translate the information given in the problem into an equation, and then solve the equation using the skills acquired earlier in this chapter.

Example 11

If a number is increased by 8, the result is 25. Find the number.

Solution:

Let x be the number.  Increasing x by 8 gives x + 8, which we are told is 25.  Therefore, x + 8 = 25.  Subtract 8 from both sides to find x = 17.  So, the number is 17.

Step-by-step explanation:

I hope this helps!!!

4 0
2 years ago
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