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Snezhnost [94]
3 years ago
14

The balance of an account after $40 withdraw You need to translate to a math expression.

Mathematics
1 answer:
stepladder [879]3 years ago
8 0

Answer:

Let's make "b" the amount in the account.

A withdrawal means a reduction in the balance. So we have

b - 40

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On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 9 k
nadya68 [22]

Answer:

6 kg

Step-by-step explanation:

Given is weight of an object directly varies with the mass of the object .

Let the constant of proportionality be k

So,

Weight = K×(mass of the object)

For an object , weight = 45 N

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So , 45 = K×9

      K = 5.

Now, for the other object ,

Weight = 30 N. K = 5 (as obtained above)

So, 30 = 5×(mass of the object)

mass of the object = 6 kg.

5 0
3 years ago
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MArishka [77]

Answer:

1 option is correct

Step-by-step explanation:

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7 0
3 years ago
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Xin Used 20 yards of fencing to build the walls of a square a chicken coop. Used 20 yards of fencing to build the walls of a squ
Gnoma [55]

Answer:

Equation: 20=4x or x=\frac{20}{4}

Solution: x=5

Step-by-step explanation:

The formula that is used to calculate the perimeter of  a square is:

P=4s

Where "s" is the side lenght the square.

Knowing that Xin used  20 yards of fencing to build the walls of a square chicken coop (in which the lenght in yards of each wall is represented with "x"), you can identify that:

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Then, you can susbtitute values into the formula P=4s:

20=4x

Finally, you must solve for "x" in order to find its value.

This is:

\frac{20}{4}=x\\\\x=5

6 0
3 years ago
How do you divide 85 and 5?
AVprozaik [17]
Division is like sharing so 85 things that are shared between 5 people
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3 years ago
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ElenaW [278]

Answer:

25 liters

Step-by-step explanation:

60/12=5

5*5=25

6 0
2 years ago
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