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Lera25 [3.4K]
3 years ago
14

How do I do rate of change problems??

Mathematics
1 answer:
Yuki888 [10]3 years ago
4 0

Answer:

B) $28.25

Step-by-step explanation:

To solve this problem, you need to find how much the discount is.

To find the discount you multiply 75% by $112.99, which equals $84.74.

Now you have to find how much the bike will cost with the discount.

So you have to subtract $112.99 by $84.74, which equals $28.25

So the discounted price of the bike is $28.25.

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Which expression is an example of the associative
LenKa [72]

Answer:

A.

Step-by-step explanation:

This property states that when three or more  are added (or multiplied), the sum (or the ) is the same regardless of the grouping of the  (or the multiplicands).

8 0
4 years ago
What’s the answer to 9 and 10???
Zigmanuir [339]

Answer:

9. C. division

10. D. addition

Step-by-step explanation:

When solving for X the goal is to get it all by itself on one side of the equation and to do that you have to undo the operations already in effect on it.  In number 9 the x is multiplied by 3 so to undo that you would need to divide by 3 and that would cancel out leaving the x by itself.  Then you would need to divide by 3 on the other side of the equation also to keep it balenced.  In number 10 the X is connected to the 10 through subtraction so to cancel that out you would subtract 10 from both sides to get the X alone.

I hope this helps and please don't hesitate to ask if there is anything still unclear!

3 0
3 years ago
Read 2 more answers
Use an exponent to write each expression 3/4 x 3/4 x 3/4 x 3/4 x 3/4
Advocard [28]

Answer:

{ \frac{3}{4} }^{5}

6 0
3 years ago
If you borrow $675 for six years at an intrest rate of 10% how much intrest will you pay
Alex_Xolod [135]
You will pay $67.5 exactly
3 0
3 years ago
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Q # 7 please solve. the math
aleksandr82 [10.1K]
The first choice is the correct answer
12 in by 22 in by 4 in

the explanation is as shown in the figure
The dimension will be x , 20 - 2x , 30 -2x

the volume= v = x(20-2x)(30-2x) = 4x³ - 100x² + 600x
differentiating with respect to x and equating to zero
dv/dx = 12x² - 200x + 600 = 0
solve for x using calculator
x = 12.7 (unacceptable)   or x = 3.92 ≈ 4

∴ The dimension will be 4 , 12 , 22

7 0
4 years ago
Read 2 more answers
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