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LUCKY_DIMON [66]
4 years ago
14

-9s - 8 = -4s + 8 - 3s

Mathematics
1 answer:
Vlad [161]4 years ago
3 0
We move all terms to the left:

-9s-8-(-4s+8-3s)=0

We add all the numbers together, and all the variables

-9s-(-7s+8)-8=0

We get rid of parentheses

-9s+7s-8-8=0

We add all the numbers together, and all the variables

-2s-16=0

We move all terms containing s to the left, all other terms to the right

-2s=16

s=16/-2

s=-8
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Brianna has 4 pink bracelets. One third of all her bracelets are pink. How many bracelets does brianna have?
aivan3 [116]
Hey there!

Let's first evaluate this problem, and the keyword we need to use. The problem says that out of the total number of bracelets Brianna has, x, 1/3 of them are pink. The reason the word of is so important throughout math is that it signifies multiplication. For example, 1/2 of 10 is 5 because 1/2 times 10 is 5.

Now, to apply that to this situation, we need to create an equation, a mathematical statement that indicated the equilibrium or equality of two values. Since we have 1/3 of all her bracelets, x is four, we can set up our equation. Here's another good keyword- is. Is signifies an equation, because it means "equal to" mathematically. For example, 5 is equal to 20/4.

We have:

1/3(x) = 4 

(One-third of x, the total amount of bracelets, is four.)

We don't want that fraction there. In order to get rid of it and keep the expression equal, we multiply both sides by 3. We have,

x = 12

Hope this helps!
8 0
3 years ago
Can you explain clearly. This is very hard for me.
Crazy boy [7]
The answer to the question is 6 yards and 2 feet

6 0
3 years ago
Solve:<br><br> n/4-1=n/5 <br><br> .·(&gt;▂&lt;)·.
juin [17]
\dfrac{n}{4}-1=\dfrac{n}{5}\\&#10;5n-20=4n\\&#10;5n-4n=20\\&#10;n=20
3 0
3 years ago
Is the square root of 53 a irrational or rational number
nevsk [136]
Pretty sure it’s irrational
7 0
3 years ago
Read 2 more answers
Arden calculated the height of a cylinder that has a volume of 88π mm3 and a radius of 4 mm. V = Bh 1. 88π42(h) 2. 88π = 16π(h)
inysia [295]

Answer:

D. No, the \pi should have canceled out in step 4 making the correct answer 5.5mm.

Step-by-step explanation:

All the steps that Arden took were correct up until the last step:

1. V = Bh  ⇒  88\pi = \pi*4^2 * h = 16\pi h

2. Divide by 16\pi from both sides: h = 88\pi / 16\pi = 88/16 = 5.5

Arden forgot to cancel out the pi from both the numerator and denominator, so her answer should have been 5.5 mm, not 5.5\pi mm.

Thus, the answer is D.

Hope this helps!

5 0
3 years ago
Read 2 more answers
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