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krek1111 [17]
3 years ago
12

brian buys bikes to resell. he applies a mark up of 15%. write two expressions to represent the selling price. let (b) represent

the original cost of the bike.
Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0
You can do it and if you can't then I will tell you
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Find a number such that three less than four times the number is two.
dimaraw [331]
Answer:
X=5/4 or 1.25

Solution:
Make algebraic equation to solve
4x-3=2
Solve
4x=2+3=5
X=5/4

Hope this helps. Please mark brainliest.
4 0
3 years ago
A nest of ants has been growing exponentially in such a way that it's population,P, as a function increasing on average more or
ivolga24 [154]

Not sure question is complete, assumptions however

Answer and explanation:

Given the above, the function of the population of the ants can be modelled thus:

P(x)= 1600x

Where x is the number of weeks and assuming exponential growth 1600 is constant for each week

Assuming average number of ants in week 1,2,3 and 4 are given by 1545,1520,1620 and 1630 respectively, then we would round these numbers to the nearest tenth to get 1500, 1500, 1600 and 1600 respectively. In this case the function above wouldn't apply, as growth values vary for each week and would have to be added without using the function.

On one hand, the function above could be used as an estimate given that 1600 is the average growth of the ants per week hence a reasonable estimate of total ants in x weeks can be made using the function.

7 0
3 years ago
John has a job selling souvenirs on a football stadium. He earns $10 per game plus $0.25 dollars for each souvenir he sells. How
Ahat [919]

Answer:

He needs to sell 100 souvenirs

Step-by-step explanation:

We want to know the number of souveniers John has to sell

Let the number of souveniers he sold at the game be s

At a rate of $0.25 per souvenier, the amount earned on souveniers for s souveniers will be:

0.25 \times s =0.25s

Now, if we added this to the amount he earns per game, we will have the total $35 earned for working at one game.

Thus, mathematically:

0.25s + 10 = 35 \\ 0.25s = 35 - 10 \\ 0.25s = 25 \\ s =  \frac{25}{0.25}  \\ s = 100

7 0
3 years ago
4. What is the value of b in the triangle shown below? (1 point)
Romashka-Z-Leto [24]
You need to give some form of an image for us to be able to give you the answer. There’s no way of solving the equation you’ve given us without the key information from the image....
5 0
3 years ago
How to write a ratio as a decimal
Brums [2.3K]

Step-by-step explanation:

To do this, divide the numerator by the denominator. The result is the decimal form of the ratio. For example, convert 7:2 to a decimal value.

3 0
3 years ago
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