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ale4655 [162]
4 years ago
8

Pens cost $0.20 each. Pencils cost $0.15 each. Write an algebraic expression that represents the total cost of buying p pens and

n pencils. (Will give brainliest if correct)
Mathematics
1 answer:
Harlamova29_29 [7]4 years ago
8 0

Answer:

y=0.20p + 0.15n

Step-by-step explanation:

I believe this is correct I am 90% positive that it is right.

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A manufacturing machine has two processes. One of them is repeated 4 times and the second only once. The entire cycle
Allushta [10]

Answer:

The inequality representing the time taken by the entire cycle is:

4x+y\leq 3

Step-by-step explanation:

The time taken to complete one cycle of a manufacturing machine is no longer than 3 minutes.  

It is provided that the manufacturing machine has two processes.

One of them is repeated 4 times and the second only once.

Assume that the variable <em>x</em> represents the time taken to complete the first process once.

Then the  time taken to complete the first process 4 times would be, 4<em>x</em>.

Also assume that the variable <em>y</em> represents the time taken to complete the second process.

Then the inequality representing the time taken by the entire cycle is:

4x+y\leq 3

Consider the graph below representing the above equation.

5 0
3 years ago
What is the exact value of cos(-60°)?​
Afina-wow [57]

Answer: 1/2

Step-by-step explanation:

cosine=adjacent/hypotenuse

Cos (-60)=1/2

This is a special triangle

see below as the ratio of each side

Hope this helps!! :)

Please let me know if you have any question

4 0
3 years ago
Read 2 more answers
Subtract -2k^3 + k^2 - 9 from 5k^3 - 3k + 7.
katen-ka-za [31]
5k^3 - 3k + 7.-(-2k^3 + k^2 - 9)

7k^3 +k^2-3k +16


C. 7k^3 - k^2 - 3k + 16
4 0
4 years ago
If a 12 pound turkey takes 4 hours to cook, how long will it take for a 14 pound turkey to cook
zubka84 [21]

It will take the turkey 2 hours to cook

6 0
3 years ago
Read 2 more answers
A line passes through the origin and has a slope of 1/2.
ArbitrLikvidat [17]

Answer:

(2, 1)

Step-by-step explanation:

A line that passes through the origin and has a slope of 1/2 can be best represented as y = 1/2x

it starts at the origin

goes 2 units to the right

1 unit above

2 units to the right + 1 unit above = (2, 1)

Final Answer: (2, 1)

8 0
3 years ago
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