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2 years ago

Solve for x: 3/4 x + 5/8 = 4x

2 answers:

7 0

34‌x+‌58‌−4x=4x−4x‌−134‌x+‌58‌=0
Step 2‌−134‌x+‌58‌−‌58‌=0−‌58‌‌−134‌x=‌−58‌
Step 3(‌4−13‌)*(‌−134‌x)=(‌4−13‌)*(‌−58‌)x=‌526x=‌526

ozzi2 years ago

7 0

(3/4)x + (5/8) x =4x

.75. .625

.75x +.625x = 4x

1.375x = 4x

subtract 4x from each side because you want to get like terms (x) together.

equation is now
1.375-4x= 0

-2.625x= 0

-2.625× = 0
------------- -----------
-2.625 -2.625

zero can't be divided by anything so

x=0

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2 years ago

Read 2 more answers

Determine the value of c that will result in a perfect square trinomial. w^2+6w+ c =130+c

Genrish500 [490]

Answer:

The value of c that will result in a perfect square trinomial is (3)^2 or 9

The perfect square trinomial is: $(w+3)^2=139$

Step-by-step explanation:

We need to determine the value of c that will result in a perfect square trinomial.

$w^2+6w+ c =130+c$

Perfect square trinomial are of form: $a^2+2ab+b^2=(a+b)^2$

Now, the equation given is:

$w^2+6w+ c =130+c$

Looking at the term 6w, we can write it as 2(w)(3)

We are given: a = w, 2ab = 2(w)(3) so, b will be: (3)^2

So, we will be adding (3)^2 on both sides

$w^2+6w+ c=130+c\\w^2+2(w)(3)+ (3)^2 =130+(3)^2\\The\:left\:side\:becomes: a^2+2ab+b^2\\We\:can\:write\:it\:as: (a+b)^2\\We\:have\:a=w\: and\: b=3\\(w+3)^2=130+9\\(w+3)^2=139$

So, The value of c that will result in a perfect square trinomial is (3)^2 or 9

The perfect square trinomial is: $(w+3)^2=139$

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