3 years ago

A. Create an algebraic expression.

Mathematics

2 answers:

NikAS [45]3 years ago

7 0

Answer:

Step-by-step explanation:

5x = 30

If there are 5 students in a row, find the number of rows given that the number of total students is 30.

Here 'x' represents the number of row

kherson [118]3 years ago

7 0

Answer:

a+b=ab

Step-by-step explanation:

a plus b is equal to ab.

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3 years ago

Use factoring to solve the quadratic equation x2 − 2x − 3 = 12.

melomori [17]

Answer:

$x_1=5\\x_2=-3$

Step-by-step explanation:

You have the following quadratic equation given in the problem:

$x^{2}-2x-3=12$

You must make the equation equal to zero, as following:

$x^{2}-2x-3-12=0$

Add like terms:

$x^{2}-2x-15=0$

Now, to factor the equation, you must find two numbers whose sum is -2 and whose product is -15. Therefore, you have:

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Answer:

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Step-by-step explanation:

length=22 inches

breadth=23 inches

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3 years ago

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3 years ago

The fraction models below represent two fractions of the same whole. How much of the Fraction 5 over 8 is in the Fraction 1 over

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