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Harlamova29_29 [7]
2 years ago
8

PLEASE HELP! I will give you the brainiest and A LOT of points! (Ch.5.7)

Mathematics
1 answer:
STALIN [3.7K]2 years ago
4 0
Company A pays $5500 more than B in year 10

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If the sum of the total mining costs for student 1 and student 2 is $40, what is the cost of equipment for student 2?
Andreyy89
If they're both equal $20 but there is many different ways to answer this like 19 plus 21
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A tool and die company buys a machine for 175,000 and it depreciates at a rate of 30% per year. Find the depreciated value of th
DaniilM [7]
1417.5 is the answer and this is a tricky question. 
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3 years ago
He fastest that a seahorse can travel is 2,640 feet per hour. What is its top speed in miles per hour?
Slav-nsk [51]

Answer:

Step-by-step explanation:

You get 2640 and double it which is 5280 and then do 2640/5280 which is 0.5, that is the amount of miles in 2640 feet. So the answer is 0.5 mph which is C

6 0
3 years ago
Suppose that the functions p and q are defined as follows.p(x) = -2x + 1q(x)=-x?Find the following.
MariettaO [177]

First let us find

(q\mathrm{}p)(x)\begin{gathered} q(p(x))=q(-2x+1) \\ =-(-2x+1)^2 \\ So\text{ } \\ (q\mathrm{}p)(5)=-(-2\times5+1)^2 \\ =-(9)^2 \\ =-81 \end{gathered}

Now let;s solve the second part

\begin{gathered} (p\mathrm{}q)(x)=p(q(x)) \\ =p(-x^2) \\ =-2(-x^2)+1 \\ =2x^2+1 \\ So\text{ (p.q)(5) will be } \\ (p\mathrm{}q)(5)=2(5)^2+1 \\ =51 \end{gathered}

6 0
1 year ago
If the function f(x) = -1/2x - 7 were graphed, which of the following would be true?
Fittoniya [83]
ANSWER

D. As the x-values increase, the y-values would decrease

EXPLANATION

The given function is
y =  -  \frac{1}{2} x - 7


The slope of this function is
m =  -  \frac{1}{2}

Since the slope is negative, there is a negative or an inverse relationship between x and y.

As the values of x increases, the values of y decreases.

Also, as the values of x decreases, the values of y increases.

The first option is not true because as x is becoming bigger and bigger negatively, y will become positive.

For instance, when
x =  - 40
y =  -  \frac{1}{2} ( - 40) - 7


This implies that,

y = 20 - 7 = 13

Options B is obviously not true because the function has a negative relationship between x and y.


Option C is also false because, x can be positive since it is the independent variable.

See graph



Therefore, the correct answer is option D.




5 0
3 years ago
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