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4 years ago

Can you help? Find u: 4/5 + u = 8

2 answers:

7 0

Not giving much of any options to choose from. But in exact form your answer is 36/5. In decimal for your answer is 7.2. And in mixed number form your answer is 7 1/5. Hope this helps.

mixas84 [53]4 years ago

3 0

$u = \frac{36}{5}$

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Is 3(5x - 4) = 15x - 12 a one solution , no solution or infinite solutions

vaieri [72.5K]

Answer:

Infinite Solutions

Step-by-step explanation:

3(5x - 4) needs to be simplified

So we multiply 5x by 3

So 3 x 5x = 15x

Then we multiply -4 by 3

3 x -4 = - 12

Put those together we get 15x - 12

The same equation as the one on the right side

So since 15x - 12 = 15x - 12, the x variable can be any number

Also a little tip:

With Forms quizzes, you can hit control + U and find the answers in the code

6 0

3 years ago

I don’t know the answer to this question.

serious [3.7K]

6×(1×5)=(6×1)×5

6×5=6×5

30=30

Always do the brackets first.

Follow BEDMAS

B = Brackets

E = Exponent

D = Division

M = multiplication

A = Addition

S = Substruction

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3 years ago

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4 0

3 years ago

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liubo4ka [24]

Answer:

Option A

Step-by-step explanation:

<u>Given equation is:</u>

$x^2+1=2x-3$

Setting it up as a quadratic equation.

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Comparing it with quadratic equation $ax^2+bx+c=0$ , we get:

a = 1 , b = -2 , c = 4

<u>Putting the values in quadratic equation:</u>

$\displaystyle x = \frac{-b +-\sqrt{b^2-4ac} }{2a} \\\\x = \frac{-(-2)+-\sqrt{(-2)^2-4(1)(4)} }{2(1)}$

$\rule[225]{225}{2}$

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3 years ago

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bearhunter [10]

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4 years ago