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Aleks04 [339]
3 years ago
13

To find the difference of 7- 3 5/12 how do yu rename the 7

Mathematics
1 answer:
Alchen [17]3 years ago
6 0
Since we need them to be fractions, 7 could be 7/1. but now we need a common denominator, so lets find one!

7*12 = 84
1*12 = 12

Answer: 84/12


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Write the addition or subtraction shown by the number line
Zigmanuir [339]
-3+7=4 should be your answer
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3 years ago
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Suppose a 5x8 coefficient matrix for a system has pivot columns. Is the system​ consistent? Why and Why not?
Lyrx [107]

Step-by-step explanation:

All the 5 rows of the coefficient matrix (since it is of order 5×8) will have a pivot position. The augmented matrix obtained by adding a last column of constant terms to the 8 columns of the coefficient matrix will have nine columns and will not have a row of the form [0 0 0 0 0 0 0 0 1]. So the system is consistent.

7 0
3 years ago
Quadratic 6X2 + 5X = -7
poizon [28]
Ok, so here your being asked to solve 6x2<span> + 5x = -7 

The procedure that I did was using this formula it led me to get the following:
</span>Using the formula:

x = -(-5) ± √(-5)² - 4(6)(-6)/ 2(6)
x = 5 ± √ 25 + 144 / 12
x = 5 ± √ 169 / 12
x = 5 ± 13/12

x1 = 5 + 13/12
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x2 = 5 - 13/12
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<span> x2 = - 2/3 

Hope this helped :)</span>
7 0
3 years ago
What is the percentage… b of sugar in the syrup made of 10 kg of water and 4 kg of sugar?
Artist 52 [7]

Answer:

<h3>28 4/7 % ≈ 29%</h3>

Step-by-step explanation:

4 kg - weight of sugar

10 kg - mass of water

4kg + 10kg = 14kg - weight of the syrup

\dfrac{4kg}{14kg}=\dfrac{2}{7}

The sugar is 2/7 of the weight of the syrup.

Convert to the percentage:

\dfrac{2}{7}=\dfrac{2}{7}\cdot100\%=\dfrac{200}{7}\%=28\dfrac{4}{7}\%\aaprox29\%

6 0
3 years ago
Read 2 more answers
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Cerrena [4.2K]
Solving an equation means finding a value of a variable that make the equation true. This value is called the solution of the equation.<span> A mathematical equation is just like a balanced equation. Both sides of the equation should be equal at all times. </span><span>Whatever we do to one side, has to be done on the opposite side.</span>

9|4p + 2| + 8 = 35 

&#10;9|4p+2|=35-8&#10; &#10;                Subtract \ 8 \ from \ both \ sides
 
9|4p+2|=27&#10;&#10; &#10; 

|4p+2|= \dfrac{27}{9}    Divide \ both \ sides \ by \ 9

|4p+2|=3 

Break \ down \ the \ problem \ into \ these \ 2 \ equations 

&#10;4p+2=3&#10; &#10; 

-(4p+2)=3 

Solve \ the \ 1st \ equation: \ 4p+2=3 

4p=3-2   <span> Subtract \ 2 \ from \ both \ sides 
</span>
4p=1 

p= \dfrac{1}{4}   <span> Divide \ both \ sides \ by \ 4 
</span>
Solve \ the \ 2nd \ equation: \ -(4p+2)=3 

-4p−2=3   Simplify \ brackets 

-4p=3+2      <span> Add \ 2 \ to \ both \ sides 
</span>
-4p=5 

p= -\dfrac{5}{4} 

Collect \ all \ solutions 

p= -\dfrac{5}{4} , p= \dfrac{1}{4} 
8 0
3 years ago
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