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3 years ago

For what value of w makes the equation true? 135= w + 98

2 answers:

7 0

Answer:
w = 37

Explanation:
1. To solve this problem, you need to subtract both sides by 98. This will isolate the variable.

135 = w + 98 → 138 - 98 = w + 98 - 98

37 = w

2. Switch the sides

37 = w → w = 37

3. Your final answer should be w = 37

Ainat [17]3 years ago

4 0

W = 135-98 =37

First you substitue the 98 to the left side then since it changes to negative in the rule of substition you can easily subtract and get the answer

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Quadratic equations are second-order polynomial equations and they have the form y = ax^2 + bx + c or y = a(x - h)^2 + k

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A quadratic equations can be split to several equations and it can be solved as a whole

In this case, the quadratic equation is given as

5x^2 + 11x + 2 = 0

Using the form of the quadratic equation y = ax^2 + bx + c, we have

a = 5, b = 11 and c = 2

The quadratic equation can be solved using the following formula

x = (-b ± √(b^2 - 4ac))/2a

Substitute the known values of a, b and c in the above equation

x = (-11 ± √(11^2 - 4 * 5 * 2))/2*2

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x = (-11 ± √(121 - 4 * 5 * 2))/2*2

Evaluate the products

x = (-11 ± √(121 - 40))/4

Evaluate the sum

x = (-11 ± √(81))/4

Take the square root of 81

x = (-11 ± 9)/4

Expand

x = 1/4 * (-11 + 9) or x = 1/4 * (-11 - 9)

Evaluate the difference

x = 1/4 * -2 or x = 1/4 * -20

Evaluate the product

x = -1/2 or x = -5

Hence, the solutions to the quadratic equation in the exact form are x = -1/2 or x = -5

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3 years ago

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Brut [27]

The graph that does not represents a proportional relationship is: A (see image attached below).

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A proportional relationship has a constant, which is uniform and is defined in the equation y = kx, as k. This means a relationship that is proportionate will have an equation in that form.

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