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kompoz [17]
3 years ago
11

You purchase a new stereo for $500 it will decrease in value by 16% each year. How would I write this at an exponential equation

Mathematics
1 answer:
ozzi3 years ago
8 0

Answer:

500=-16x

Step-by-step explanation:

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A cupcake factory has already used 19.2 lb of flour today. They are now making cupcakes that require 0.5 lb per batch.
Vlada [557]

Answer:

166.8 pounds.

Step-by-step explanation:

Let b be the number of batches baked and f be the total weight of flour.

We have been given that a cupcake factory has already used 22.8 pounds of flour today.

They are now making cupcakes that require 8 pounds per batch, so the weight of flour used in b batches will be 8b.

The equation representing the total weight of used flour is given as:

To find the total weight of flour used, when 18 batches are baked we will substitute b = 18 in our given equation.

Therefore, the total weight of flour used in baking 18 batches will be 166.8 pounds.

4 0
3 years ago
PLEASE HELP ME WITH THIS PLEASE!!
UkoKoshka [18]

Answer:

Help with what Question?

Step-by-step explanation:

What Question do you need help with?

4 0
3 years ago
Last Sunday a certain store sold copies of newspaper A for $1.00 and B for$1.25 each. If "r" percent of the stores revenue from
AnnZ [28]
I am not really sure but I have a feeling it’s (B.)
7 0
3 years ago
Please help... this is super complicted
nataly862011 [7]

Answer:

  (a) 412 +A -B

  (b) 412 +A -B + (A-20) -(B+14)

  (c) 378 +2A -2B

Step-by-step explanation:

Water flowing in adds to the amount in the reservoir. Water flowing out subtracts from the amount in the reservoir.

__

(a) 412 + A - B . . . . at the end of January

__

(b) Flowing in was (A -20), flowing out was (B +14). In February, we start with the amount at the end of January.

  (412 +A -B) +(A-20) -(B +14)

__

(c) Simplifying the above, we have ...

  412 -20 -14 +2A -2B = 378 +2A -2B

8 0
3 years ago
John likes to watch the birds in her yard. One morning, she noticed that there are twice as many Robbins as Blue Jays. She count
Degger [83]
We can write an equation to solve this:

Let x represent amount of Blue Jays.

2x + x = 21

We can simplify the equation:

3x = 21

Divide both sides by 3 to isolate x variable:


x = 7

Therefore, 7 Blue Jays.
5 0
4 years ago
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