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OLEGan [10]
3 years ago
12

What is -3-4b= 25-8b

Mathematics
1 answer:
sammy [17]3 years ago
6 0

Answer:

b=7

Step-by-step explanation:

-3-4b= 25-8b Add 3 to both sides

-4b=28-8b Add 8b to both sides

4b=28 Divide 4 to both sides

b=7

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solve for the polynomial equation by factoring, then using the zero product principle. This is just the example problem Please e
Vaselesa [24]

Answer:

  -3 comes from combining 1 and -4

Step-by-step explanation:

The -3 under the radical is the result of combining the terms

  16 -4(16) = 16(1 -4) = 16(-3) = -3(16)

16 is factored out. It is done this way because 16 is a perfect square factor, so wants to maintain that identity while you figure out the rest of the radical.

  =\dfrac{-4\pm\sqrt{16-4(16)}}{2}=\dfrac{-4\pm\sqrt{16(1-4)}}{2}=\dfrac{-4\pm\sqrt{-3(16)}}{2}\\\\=\dfrac{-4\pm\sqrt{-3(4^2)}}{2}=\dfrac{-4\pm 4\sqrt{-3}}{2}=-2\pm2\sqrt{-3}=-2\pm2i\sqrt{3}

8 0
3 years ago
Larry claims,( 14+12) x(8+12) and (14x12) +(8x12) are equivalent because they have the same digits and the same operations. Is L
ipn [44]

Answer:

No, he isn´t

Step-by-step explanation:

Let's do the math in order to check if what larry says is true:

(14+12)*(8+12)=(14*12)+(8*12)

(26)*(20)=(168)+(96)

520=264  This is false because 520\neq 264

Hence, he isn't correct

7 0
3 years ago
The cake store is having a 10%, percent off sale on all of its cakes. If the cake you want regularly costs $6, how much would yo
sleet_krkn [62]
Here is a pro tip! When taking 10% of anything move the decimal back ONCE. The number you get is 10% of that number. You then take that number and subtract it by your original number if you want to know how much it will cost if it was 10% off. 

The reason why that works is because to take 10% of something you would need to multiply it by 0.1, which is the same as 1/10 (which is also the same as dividing the number by 10). 

So you take 10% of $6.00. It's $0.60. 
Subtract that from your original amount.

 $6.00
-$0.60

I'll let you do that one, but the answer comes out to be: 

$5.40

Now to answer the question of this problem (the previous steps were if they asked for the price, but in this case you could've stopped at the 10% part) 

You save $0.60.
3 0
4 years ago
Read 2 more answers
Can someone help me with this problem ASAP please.
harina [27]

None are correct because angle A is 40 degrees

3 0
4 years ago
Bret works for a printing company-each document takes 8 sheets of paper-he has 500 sheets-how many documents can he print
Juli2301 [7.4K]

Answer:

He can print 62 documents

Step-by-step explanation:

500/8=62.5

He can print only 62 documents because he cannot print half a document.

Hope this helps!

If not, I am sorry.

7 0
2 years ago
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