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Aleks [24]
2 years ago
10

The four-digit number 5A2A, where A stands for a digit, is divisible by 6. What is the

Mathematics
1 answer:
FromTheMoon [43]2 years ago
8 0

Answer:

A=4

Step-by-step explanation:

if a number is divisible by 6 it is divisible by both 3 and 2

so 5424 is divisble by 2 since it is even

5+4+2+4=15

15/3=5

so A is = 4

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Find x (2x+1) (5x+5)
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explanation;

Solution for <em>2x+1=5x-5</em> equation

Simplifying

<em>2x + 1 = 5x + -5</em>

Reorder the terms:

<em>1 + 2x = 5x + -5</em>

Reorder the terms:

<em>1 + 2x = -5 + 5x</em>

Solving

<em>1 + 2x = -5 + 5x </em>

Solving for variable<em> 'x'. </em>

Move all terms containing x to the left, all other terms to the right.

Add <em>'-5x'</em> to each side of the equation.

<em>1 + 2x + -5x = -5 + 5x + -5x </em>

Combine like terms: <em>2x + -5x = -3x </em>

<em>1 + -3x = -5 + 5x + -5x </em>

Combine like terms: <em>5x + -5x = 0 </em>

<em>1 + -3x = -5 + 0 </em>

<em>1 + -3x = -5 </em>

Add '-1' to each side of the equation.

<em>1 + -1 + -3x = -5 + -1 </em>

Combine like terms: <em>1 + -1 = 0 </em>

<em>0 + -3x = -5 + -1 </em>

<em>-3x = -5 + -1 </em>

Combine like terms: <em>-5 + -1 = -6 </em>

<em>-3x = -6 </em>

Divide each side by <em>'-3'. </em>

<em>x = 2 </em>

Simplifying

<em>x = 2</em>

8 0
4 years ago
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Why do we have to change an improper fraction to a mixed fraction​
pogonyaev

Answer:

My I don't know it is stupied!

Step-by-step explanation:

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4 years ago
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3. Every morning, Matthew fills his dog’s water dish with 16 oz of water. If his dog
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His dog will drink 112oz a week
It is 14 cups
It is 5.81 pints
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6 0
2 years ago
What is the difference of 11 and 3.5?​
Deffense [45]
7.5

Explanation:
11-3.5=
Take 3 away form 11 and then get 8 then subtract.5 and you are left with 7.5
6 0
3 years ago
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How can you find f(4) if f(x)=7x^(2)-5
VashaNatasha [74]

Answer:

107

Step-by-step explanation:

f(x)=7x^(2)-5

f(4) means that x=4

f(4)=7*4^(2)-5

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