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RUDIKE [14]
3 years ago
8

What is the order of operation for 2(9 + 7)?

Mathematics
2 answers:
shepuryov [24]3 years ago
6 0

the answer is 32 because you add 9 plus 7 then you multiply tha th # by 2

Oksana_A [137]3 years ago
3 0
First do the math in the parentheses and then multiply.
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What is the average rate of change CAN SOMEONE PLEASE ANSWER THIS QUESTION I WILL BRAINLIEST
Andre45 [30]
<h3>Answer: The average rate of change for both is -2</h3>

=======================================================

Explanation:

The x interval [0,3] is the same as writing 0 \le x \le 3

It starts at x = 0 and ends at x = 3.

The graph shows that x = 0 leads to y = 3. So we have the point (0,3) on the parabola. We also have the point (3,-3) on the parabola.

Let's find the slope of the line through these endpoints.

(x_1,y_1) = (0,3) \text{ and } (x_2,y_2)  = (3,-3)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{-3 - 3}{3 - 0}\\\\m = \frac{-6}{3}\\\\m = -2\\\\

The slope is -2. This is the average rate of change from x = 0 to x = 3.

This is because:

slope = rise/run = (change in y)/(change in x) = average rate of change.

-------------

Now let's find the slope for the table.

Focus on the rows for x = 0 and x = 3. They lead to f(x) = 10 and f(x) = 4 respectively.

We have (0,10) and (3,4) as our two points this time.

(x_1,y_1) = (0,10) \text{ and } (x_2,y_2)  = (3,4)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{4 - 10}{3 - 0}\\\\m = \frac{-6}{3}\\\\m = -2\\\\

We get the same slope as before, so we have the same rate of change.

Notice the change in y (-6) is the same as before. So we could pick any two y values we want as long as there's a gap of 6 between them, and the second y value is smaller than the first.

3 0
2 years ago
2. A bicycle wheel has a diameter of 26 inches. Isabelle rides the bike so that the wheel makes
nevsk [136]

The answer is right here

|

|

|

v

7 0
3 years ago
The standard diameter of a golf ball is 42.67 mm.
liberstina [14]

Answer:

The first one is the second option

The second one is the 2 and 4 options

Step-by-step explanation:

It’s right on ed

3 0
3 years ago
If f(x)=-x^2– 7x – 22, find f(-5).<br><br> A. -82<br> B. -32<br> C. -12<br> D. 12<br> E. 38
DaniilM [7]

Answer:

E. 38

Step-by-step explanation:

f(-5) means to plug in -5 for x in the given equation

f(-5)=(-5)^2-7(-5)-22=25+35-22=38

3 0
2 years ago
Please what is the answer?
tresset_1 [31]

Answer: scale to measure the weight

Step-by-step explanation:

7 0
2 years ago
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