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Studentka2010 [4]
2 years ago
11

I need help please I need it ASAP

Mathematics
1 answer:
Bess [88]2 years ago
7 0

Answer:

Step-by-step explanation:

Answers and explanations in attachment.  Problem 29 was cut off a bit.  I assumed the question was what percent of the total are cubs.

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What is the answer to this math problem??
lakkis [162]

Answer:

A

Step-by-step explanation:

given \frac{1}{49^2}

note that 49² = 2401, hence

\frac{1}{49^2} = \frac{1}{2401} → A


4 0
3 years ago
Simplify
Schach [20]
2x + 7y + 3x + 4y 

(2x+3x)+(7y-4y)
 
   Gather \ like \ terms 

5x+11y
8 0
3 years ago
How to round 70 to the nerest 100
den301095 [7]

Answer:

100

Step-by-step explanation:

First, you look at wether the first digit in this case is above or below a 5. Since it is, you would round up. The closest hundred to this number is 100, so that is the answer. For 3 digit numbers or higher, look at the tens place to determine the nearest hundred. Same rule applies for rounding up or down.

Hope I helped :)

6 0
3 years ago
The graph of a quadratic function having the form f(x) = ax? + bx + c passes
insens350 [35]

Answer:

  f(-3) = -20

Step-by-step explanation:

We observe that the given x-values are 3 units apart, and that the x-value we're concerned with is also 3 units from the first of those given. So, a simple way to work this is to consider the sequence for x = 6, 3, 0, -3. The corresponding sequence of f(x) values is ...

  34, 10, -8, ?

The first differences of these numbers are ...

  10 -34 = -24

  -8 -10 = -18

And the second difference is ...

  -18 -(-24) = 6

For a quadratic function, second differences are constant. This means the next first-difference will be ...

  ? -(-8) = -18 +6

  ? = -12 -8 = -20

The value of the function at x=-3 is -20.

_____

The attachment shows using a graphing calculator to do a quadratic regression on the given points. The graph can then be used to find the point of interest. There are algebraic ways to do this, too, but they are somewhat more complicated than the 5 addition/subtraction operations we needed to find the solution. (Had the required x-value been different, we might have chosen a different approach.)

5 0
3 years ago
Which pairs of angles in the figure below are vertical angles?<br><br> Check all that apply.
erica [24]
I think it’s all of them.
7 0
3 years ago
Read 2 more answers
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