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Mazyrski [523]
3 years ago
12

What is a real situation that would be represented by a+3

Mathematics
1 answer:
spin [16.1K]3 years ago
7 0
A is just a variable to cover up any number you want. <span>a can be anything you want, such as the money in your bank account.
a+3
a=200
200+3</span>
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if you buy a car wash at the gas station for $6.00, the cost per gallon is $2.35. if you have $40, write and solve a linear equa
Dennis_Churaev [7]
2.35x+6.00=y
x=number of gallons of gas
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Marco needs to buy some dog food. At the nearest​ store, 3 bags of dog food cost ​$6.75. how much would he spend spend on six ba
ipn [44]
Your answer would be $13.50 because is 3 bags cost 6.75 and you need 6 bags then just multiply the 6.75 by 2 and you get your answer :)
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D= kA [T2 - T1 / L] Solve for T1
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d=\dfrac{k_A(T_2-T_1)}{T}\ \ \ \ |multiply\ both\ sides\ by\ T\\\\k_A(T_2-T_1)=dT\ \ \ \ |divide\ both\ sides\ by\ k_A\\\\T_2-T_1=\dfrac{dT}{k_A}\ \ \ \ |subtract\ T_2\ from\ both\ sides\\\\-T_1=\dfrac{dT}{k_A}-T_2\ \ \ \ \ |change\ signs\\\\\boxed{T_1=T_2-\frac{dT}{k_A}}
5 0
3 years ago
What is the value of x?
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7 0
3 years ago
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Bruno solved the following equation: 4x + one half(10x − 4) = 6 Step Work Justification 1 4x + 5x − 2 = 6 2 9x − 2 = 6 3 9x = 8
beks73 [17]

Answer:

Statement                                   Reason

1. 4x+5x-2=6                 1. Distributive Property

2. 9x-2=6                        2. Combine like terms

3. 9x=8                              3. Addition Property of Equality

4. x=\dfrac{8}{9}                               4. Division Property of Equality

Step-by-step explanation:

The given equation is

4x+\dfrac{1}{2}(10x-4)=6

Using distributive property, we get

4x+\dfrac{1}{2}(10x)+\dfrac{1}{2}(-4)=6

4x+5x-2=6

9x-2=6         (Combine like terms)

Using Addition Property of Equality, add 2 on both sides.

9x=6+2

9x=8

Using Division Property of Equality, divide both sides by 9.

x=\dfrac{8}{9}

4 0
3 years ago
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