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Tatiana [17]
2 years ago
13

Resolver a equacao x² - 16 = 0 pf

Mathematics
2 answers:
Leni [432]2 years ago
6 0
4, because 4 to the power of two means you multiply that number by itself so 4x4=16. And 16-16=0 <span />
Novosadov [1.4K]2 years ago
5 0
The answer is 4 you're very welcome
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In a certain fraction, the numerator is 4 less than the denominator. If 4 is added to both the numerator and the denominator , t
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Answer:

Step-by-step explanation:

If the new fraction is 8/12 I will show how to find it.

Let's say the original denominator is x, then the numerator is x-4, so we have (x-4)/x.

Then it says f we add 4 to both, so now we have x/(x+4) this equals 8/12.  Now, keep in mind -4 cannot be an answer because it would make x/(x+4) be divided by 0 which wouldn't exist.

Now we just use algebra.

x/(x+4) = 8/12

12x = 8(x+4)

12x = 8x + 32

4x = 32

x = 8

So the original fraction (x-4)/x = (8-4)/8 = 4/8

5 0
3 years ago
Y: 2x+3+9x+2<br> Simplify this
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Answer:

y=16x ??

Step-by-step explanation:

5 0
2 years ago
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A bag of chips costs $3.79, including tax. Mr. Connor wants to purchase chips for his class and has a $15 budget. Write an inequ
Verizon [17]

Answer:

D. $3.79x \leq $15

<em>Brainliest, please!</em>

Step-by-step explanation:

It costs $3.79 per bag of chips, and Mr. Connor can pay NO MORE THAN $15.

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3 years ago
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I certain brand of coffee comes into sizes a 10.5 ounce package cost $3.24 I 30.6 ounce package cost $9.88 find the unit price f
Fofino [41]
Unit price: divide each coffee's total cost by the total package weight.
First Coffee= $3.24 ÷ 10.5 oz= $0.3085 per oz= $0.31 per oz rounded

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= $0.32 per oz rounded
 
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Hope this helps!  :)



6 0
2 years ago
PLEASE HELP... Students are making necklaces of six beads for their mothers. There are
nasty-shy [4]

Answer:

Step-by-step explanation:

#1 Number of ways picking 2 from 6 = 6C2 = 15

#2 Arranging them in a circle (consider 1 pair AB)

can be done

1,5  (ABBBBB)   or (5,1)

2,4 ( AABBBB) or (4,2)

3,3

1,1 (ABABAB)

all up = 7 ways

#3 = product of #1 and #2 = 15x7 = 105

3 0
1 year ago
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