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BartSMP [9]
2 years ago
5

What is 13 divied it by 2

Mathematics
2 answers:
JulijaS [17]2 years ago
8 0

Answer:

6.5

Step-by-step explanation:

6.5 is 13 divided by 2. You can check your work by adding 6.5 to 6.5 or multiplying 6.5 by 2

MrMuchimi2 years ago
4 0

Answer:

6.5

Step-by-step explanation:

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What is the answer to this​
Gelneren [198K]

Answer:

the answer is d.

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3 years ago
Identify the constant and coefficient<br> 7 – 4x = 12 4x – 7 = 12 12 = 4x + 7
schepotkina [342]

Answer:

Constants: 7 and 12

Coefficients: 4

Step-by-step explanation:

A constant is number without a variable next to it, while a coefficient is a number with a variable next to it.

3 0
2 years ago
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3 years ago
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Let a= x^2 +4. Rewrite the following equation in terms of a and set it equal to zero. (x^2+4)^2+32=12x^2+48 what are the solutio
Umnica [9.8K]
Just replace x^2+4 with a
factor out on left side
(x^2+4)^2+32=12(x^2+4)
replace x^2+4 with a
a^2+32=12a
minus 12a both sides
a^2-12a+32=0
solve
factor
what 2 numbers mulitply to get 32 and add to get -12
-4 and -8
(a-4)(a-8)=0

set each to zero
a-4=0
a=4

a-8=0
a=8


remember
a=x^2+4
so

4=x^2+4
0=x^2
0=x

8=x^2+4
4=x^2
+/-2=x


x=-2, 0, 2
5 0
3 years ago
The sum of two numbers is 43 and the difference is 19. what are the numbers?
Burka [1]
You can solve this via algebra, lets say the numbers are x and y.
x + y = 43 and x - y = 19

You can re-arrange one of the equations to get

x = 43 - y Then substitute this into the other equation, so instead of x you put this:

(43 - y) - y = 19
43 - 2y = 19
-2y = 19 - 43
-2y = -24
-y = -12
so y = 12
then you can do 43 - 12 = 31 to get both of the numbers.
so the numbers are 31 and 12
3 0
3 years ago
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