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Alex73 [517]
3 years ago
15

Khan academy how to solve equations with fractions and mixed numbers

Mathematics
1 answer:
Rufina [12.5K]3 years ago
8 0
Generally, you are told to approach these by "clearing fractions". That is, you generally multiply the equations by the least common denominator so all fractions and mixed numbers become integers.

Alternatively, you can simply do the arithmetic using the numbers given. You learned a long time ago how to add, subtract, multiply, and divide mixed numbers and fractions. Do these operations as necessary to solve the equations.
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Please answer the question from the attachment.
Shalnov [3]
I think its -5 so 5 - 10 = -5

3 0
3 years ago
I have several other questions
Licemer1 [7]

Answer:

81 m²

Step-by-step explanation:

A = 6*10 + 7*6/2

= 60 + 7*3

= 60 + 21

= 81 m²

6 0
3 years ago
4a + 6b= 10 2a - 4b =12 what does 12a=
mixer [17]
4a + 6b = 10
2a - 4b = 12...multiply by -2
----------------
4a + 6b = 10
-4a + 8b = - 24 (result of multiplying by -2)
------------------add
14b = - 14
b = -14/14
b = -1

2a - 4b = 12
2a - 4(-1) = 12
2a + 4 = 12
2a = 12 - 4
2a = 8
a = 8/2
a = 4

so 12a = 12(4) = 48 <==
3 0
3 years ago
What is the following sum? 5(3√x)+9(3√x)
charle [14.2K]
5(3√x)+9(3√x)
=3√x(5+9)
=14(3√x)

answer is C. third choice 14(3√x)
3 0
3 years ago
Read 2 more answers
Convert 0.827 to a fraction or in simplest form
dangina [55]
<span>0.827 = 0.827 / 1


Numerator = 0.827 × 10 × 10 × 10 = 827
Denominator  = 1 × 10 × 10 × 10 = 1000

Numerator / Denominator = 827 / 1000

Simplifying our fraction

= 827/1000

= 827/1000</span>
7 0
2 years ago
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