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natita [175]
2 years ago
6

Por que las matemáticas tienen letras ?????​

Mathematics
1 answer:
Sever21 [200]2 years ago
4 0

Answer:

porque representan lo que tienes que averiguar

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(will give brainliest!!)
Alex73 [517]
Hey there!

To figure out what "x" means, you can divide the numbers 126 and 14  . . .

126 divided by 14 = 9

9 x 14 = 126

9 = x

----------------
x = 9
----------------

Hope this helps you.
Have a great day!
4 0
3 years ago
Read 2 more answers
What does "w" equal in the equation w²+6w-112+0?
Elenna [48]

Answer:

w^2+6w-112

Step-by-step explanation:

combine like terms

w^2 and 6w are not like terms

3 0
3 years ago
What is 6y-3X=-18 written in slope-intercept form?
Schach [20]

Answer: B

Step-by-step explanation:

6 0
3 years ago
Kara bought two birthday gifts for her twin nephews. Each gift cost $12.50. Sales tax was 6.75%. What was the total cost for the
Katyanochek1 [597]

Answer:

Step-by-step explanation:

two birthday gifts n each costs $12.50 so 12.50x2 = $25

sales tax was 6.75% on $25 = 25x6.75/100 = $1.69

total cost including tax = 25+1.69 = $26.69

6 0
3 years ago
Read 2 more answers
4. What is the circumference of a circle whose area is 81π cm squared?
vichka [17]
Area = pi*r^2
Circumference = 2pi*r

Step 1: find the radius from area
81pi=pi*r^2
81=r^2
9=r

Step 2: plug in radius to the circumference equation

Circumference = 2pi*r

18pi is the answer, otherwise know as 56.52 as well.
7 0
3 years ago
Read 2 more answers
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