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bagirrra123 [75]
3 years ago
8

Help me please-1 = (5 + x)/6

Mathematics
2 answers:
mariarad [96]3 years ago
4 0

Answer:

x=-11

Step-by-step explanation:

/=division

*=multiplication

-1=(5+x)/6

-1*6=(5+x)/6*6

-6-5=5+x-5

-11=x

Lady bird [3.3K]3 years ago
3 0

Answer:

x= -11 I hope this helps!

Step-by-step explanation:

You might be interested in
In (x + 2) (3x + 1) = 3x^2 + ___ + 2, what should be the value of the middle term to complete the product?
zvonat [6]

Answer:

middle term = 7x

Step-by-step explanation:

in order to find the middle term, we will expand the bracket on the left hand side and compare the expressions on both sides.

(x + 2) (3x + 1) = 3x² + ___ + 2

let the unknown expression = y

(x + 2) (3x + 1) = 3x² + y + 2

Expanding the bracket on the left hand side by multiplication:

x + 2( 3x + 1) = (x × 3x) + (x × 1) + (2 × 3x) + ( 2 × 1)

= 3x² + x + 6x + 2

= 3x² + 7x + 2

Comparing with the expression on the right hand side:

3x² + 7x + 2 =  3x² + y + 2

∴ y = 7x

middle term = 7x

5 0
3 years ago
I need help with these two problems !!
wolverine [178]

Not so sure about the second one, but the first one is pretty simple:

The area of a circle = pi x radius^2

Since you need to find the area of the entire dvd, I'm assuming they mean if the hole in the center wasn't there, so add that to the diameter.

12+1.5 = 13.5

Half of the diameter is the radius, so half of 13.5 = 6.75

Now, multiply pi (3.14) by the radius, but have the radius squared. You'd write the equation like this:

3.14 x 6.75^2 (or on paper, the ^2 would be a small two diagonal from the 5)

Actual answer: 143.06625

You can round that to 143.

4 0
3 years ago
If m ABC=3x and m BCD=6x, find x.
Verdich [7]

Answer:

2x

Because 6 ÷ 3 = 2, so the answer is 2x

6 0
3 years ago
-3(x - 1) + 8(x - 3) = 6x + 7 - 5x<br> Please helppp
Levart [38]

Answer:

x=7

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

6 0
3 years ago
9/4,3/8,1/3 what is the least common denominator plz show work
Alexus [3.1K]
4, 8, and 3 must all go into the number. find the LCM(4,8) is 8. the LCM(8,3) is 24. that's your answer, 24
7 0
3 years ago
Read 2 more answers
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