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olya-2409 [2.1K]
3 years ago
9

Melissa has $100 in the bank. She plans to deposit $40 per week until she reaches $500. What is the rate of change? Explain what

the rate of change means in the context of the problem. *
Mathematics
1 answer:
Wewaii [24]3 years ago
5 0

Answer:

$40 per week

Step-by-step explanation:

Step one:

Given data

the initial amount is = $100

the total amount= $500

let the number of weeks be x

Step two:

The expression for the scenario is

500= 100+40x-------1

From the expression above, the rate of the change is $40 per week.

this means that in every week the account will be increased by $40

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Tom opens a bank account and makes an initial deposit of $15,000. The banker tells Tom that he is going to receive an annual rat
saul85 [17]
Assuming annual compounding, then:
FV=15000*(1+.035)^15
FV=15000*1.6753488307521611831782355996538
FV=$25130.23
At the end of 15 years, Tom should have $25130.23 in his account.
7 0
4 years ago
in a bag of candies there are `3 red candies, 13 green candies, 13 yellow candies, and 13 blue candies. If you choose 1 candy fr
rodikova [14]

Answer:

29/42

Step-by-step explanation:

No. of red candies = 3

No. of green candies = 13

No. of yellow candies = 13

No. of blue candies = 13

T.T = 42

Probability that candy will not be blue= 13+13+3 = 29

= 29/42

Hope it helps!

Pls mark me brainliest

Have a good day.

8 0
3 years ago
the cost of a ticket t to a concert with a 3% sales tax can be represented by the expression t+0.03t. simplify the expression. t
Leokris [45]
.03 time 72 then add 72 or just do 1.03 time 72
4 0
3 years ago
The answer is 5:6:20 but can someone explain how plz?
Leya [2.2K]
The ratio of red to green is 5:6 which means that for every 5 red cars, there are 6 green cars

The ratio of green to blue is 3:10 telling us that for every 3 green cars, there are 10 blue cars. 

The ratio 3:10 is equivalent to 6:20 after we multiply both parts by 2. This now says that for every 6 green cars, there are 20 blue cars.

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

Let's say we had 5 red cars, 6 green cars and 20 blue cars
Based on that info, we know that the ratio of red to green is 5:6
And the ratio of green to blue is 6:20 which reduces to 3:10

We don't reduce 6:20 to 3:10 however, since that would change the green count from 6 to 3. We want to keep the green count at 6.

So because there are 5 red cars, 6 green cars, and 20 blue cars in this example, and this example points to the proper ratios mentioned earlier, this means that the final answer is 5:6:20. This ratio cannot be reduced or simplified as there are no common factors (other than 1) for 5, 6, and 20.
4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28-1%29%2B%28-10%29%2B4" id="TexFormula1" title="(-1)+(-10)+4" alt="(-1)+(-10)+4" align="absm
ratelena [41]
Answer : -7

Step- by- step- explanation:
( - 1) + ( -10 ) + 4
- 1 - 10 + 4
- 11 + 4
- 7

Hope this helps
7 0
3 years ago
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