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Marianna [84]
3 years ago
10

Which number has the same value as 30 tens

Mathematics
2 answers:
Anettt [7]3 years ago
6 0
The answer is 300.

Explanation: 10 times 30 equals 300.
bazaltina [42]3 years ago
5 0
For this case we have the following definition:
 The word "tens" is used to describe the second digit of a number to the left of the decimals.
 In this case we have the word refers to the following number:
 tens = 10

 Therefore, for 30 tens we have the following multiplication:
 30 (10)

 Doing the calculations we have:
 30 (10) = 300

 Answer:
 
A number that has the same value as 30 tens is:
 
300
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Given a table of values of a quadratic function, which of the following do you absolutely need in order to find its equation? *
nadya68 [22]

Answer:

The general form of a quadratic function is --> y = ax2 + bx + c

Since (0, -2) exists for the function, we can plug in those values:

-2 = a(0)2 + b(0) + c

-2 = 0 + 0 + c

-2 = c

So now our function so far is --> y = ax2 + bx - 2

We have two pairs of coordinates left: (-1, -8) and (3, -8).

First, plug in the first pair and simplify as much as you can:

-8 = a(-1)2 + b(-1) - 2

-8 = a - b - 2 ( add 2 to both sides )

-6 = a - b (stop here because we can't go further)

Second, plug in the second pair and simplify as much as you can:

-8 = a(3)2 + b(3) - 2

-8 = 9a + 3b - 2 ( add 2 to both sides )

-6 = 9a + 3b (stop here because we can't go further)

Now we have these two equations left:

a - b = -6

9a + 3b = -6

Now we solve for a and b using systems of equations, using one of three ways:

substitution

elimination

graphing (not my favorite, but it is doable)

Using substitution:

a - b = -6 can be rewritten as a = b - 6

plug into the second equation and solve for b

9(b - 6) + 3b = -6 (distribute the 9)

9b - 54 + 3b = -6 (combine all of the b's)

12b - 54 = -6 (add 54 to both sides)

12b = 48 (divide by 12 on both sides to isolate b)

b = 4

plug b into one of the original two equations

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a = -2

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6 0
3 years ago
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Answer:

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3 0
3 years ago
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Answer:

Root 181

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Distance Formula: \sqrt{(13-4)^{2} + (7+3})^2} = \sqrt{181}

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