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inna [77]
3 years ago
7

Darren can get to work in 30 minutes. the speed limit is 35 mph, but there are three stop lights. with the traffic and lights, h

e can average 30 mph. how far is he from work?
Mathematics
1 answer:
Radda [10]3 years ago
3 0
To solve this problem you must apply the proccedure shown below:
 1. You have that Darren can get to work in 30 minutes and <span>with the traffic and lights, he can average </span>30 mph<span>.Therefore, you must apply the formula for calculate the distance, which is:
 </span>d=Vt&#10;<span>
 Where </span>V<span> is the speed and </span>t&#10;<span> is the time.
 2. The time in hours is:
 </span>30 min=1/2 h&#10;<span>
 3. Substituying values, you have:
 </span>d=(30 mph)(1/2 h) \\ d=15 miles
<span> The answer is:</span>15 miles
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PLEASEEEEEEEEE HELPPPPPPPPPP 70-100 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!! I NEED ONE MORE ANSWER BC I WANNA SEE WHICH ANSWER IS THE
Zina [86]

Answer and Explanation:

Gina wanted to swim at the pool. She is allowed to spend at most $30. The cost to swim in the pool is 3 dollars per hour plus a flat fee of $3. How many hours can Gina swim without going over her spending limit?

This problem can be represented by  3x+3\leq 30.

'x' would be the number of hours. "At most" means less than or equal to. So, the value of x would have to be less than or equal to 30.

3x+3\leq 30-3\\\\3x\leq 27\\\\3x/3\leq 27/3\\\\\boxed{x\leq9}

So, Gina would have a maximum of 9 hours to swim in the pool.

Hope this helps.

3 0
3 years ago
Jessica bought a computer for $325 and had to pay 6% sales tax. What was the total cost of Jessica’s computer?
EastWind [94]
C.) 344.50

Take what she paid before tax (325) and multiply it by 1.06 (the tax rate) and there's your answer. 
5 0
3 years ago
(a) How would you characterize the relationship between money spent on advertising and items sold?
Mashcka [7]

Answer:

a) Positive Correlation

b) 69.5

c) Base advertisement fee    

Step-by-step explanation:

a) Relationship between money spent on advertising and items sold

If we spent greater amount of money on advertisement, thus, we create more awareness and thus, the number of item sold increases.

Similarly, if less money is spent on advertisement, the number of items sold will be less.

Thus, the money spent on advertisement varies directly with the number of items sold.

Thus, they have a positive relationship or a positive correlation.

b) Money spent in advertising to sell 30 items

We are given the function:

y= 1.6x+ 21.5

We put x = 30

y(30)= 1.6(30)+ 21.5\\y(30) = 69.5

Thus, the score predicted by model is 69.5 units.

c) Interpretation of 21.5

Comparing the equation to a general linear equation, we get

y = mx + c

where m is the slope and c is the y-intercept.

y-intercept tells us the value of function when x is zero.

Thus, for the given scenario it will tell about the basic advertisement fee to be paid if we want to sell 0 products.

Comparing we get,

c  = 21.5

Interpretation:

Thus, 21.5 units is the basic amount of advertisement fee that needed to be paid( the number of items sold is 0)

8 0
3 years ago
What is 50% of 50? Use a diagram to show your work. Draw a diagram to help you.?
topjm [15]

Answer:

25.

Step-by-step explanation:

50% = 1/2 and 1/2 of 50 is 25. so 50% is 25.

8 0
3 years ago
Read 2 more answers
What is the value of y when x=7?
Gwar [14]
The value of y would be 60

The way you would solve this is by plugging in 7 for x.
After you plug in the 7 for x you would have to multiply 7 by 4 to get 28.
Next you would add 28 to 32 to get 60.
Your final answer should be y=60
5 0
3 years ago
Read 2 more answers
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