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3 years ago

Solve for w. 3w+9-11 w = -23 Simplify your answer as much as possible. w= ?

Mathematics

1 answer:

Andrej [43]3 years ago

4 0

W= 11/4 simplified to 2 3/4

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Give the solution set for the inequality 7x < 7(x - 2) in interval notation.

eduard

ANSWER:

The solution set for the inequality 7x < 7(x - 2) is null set $\varnothing$

SOLUTION:

Given, inequality expression is 7x < 7 × (x – 2)

We have to give the solution set for above inequality expression in the interval notation form.

Now, let us solve the inequality expression for x.

Then, 7x < 7 × (x – 2)

7x < 7 × x – 2 × 7

7x < 7x – 14

7x – (7x – 14) < 0

7x – 7x + 14 < 0

0 + 14 < 0

14 < 0

Which is false, so there exists no solution for x which can satisfy the given equation.

So, the interval solution for given inequality will be null set

Hence, the solution set is $\varnothing$

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4 years ago

3) A number between 0 and 1, expressed as one number over another, is called a _ _ _ _ _ _ _ _.

Bond [772]

If you write a number over another number, it's called a FRACTION

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3 years ago

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Sara got 88, 90, 75, 78, 100, 54, 90, 100, 45, and 60 on her English tests

Dmitrij [34]

The answer is 78 because when you add all the numbers it equals 780 and you need to divide the end sum by the amount of numbers added to get it. So in the end there were 10 numbers added to equal 780 so 780\10 equals 78

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3 years ago

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The Nguyen family spent $48 on entrance fees to the county fair. Each ticket for an adult cost $12. Each ticket for a child cost

monitta

I wanna say 3 but not sure

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3 years ago

MARK AS BRAINLIEST

timofeeve [1]

Answer:

x+20⩾50

Step-by-step explanation:

in inequality, the word at least means that is equal or more than. so that means that Allie might equal or more than 50 hours in the model but if you're to solve it, Allie will need 30 or more hours. and since she already has 20, add the 20.

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4 years ago