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zmey [24]
3 years ago
7

Here's my last question

Mathematics
1 answer:
N76 [4]3 years ago
3 0

Answer:

19.14lb

Step-by-step explanation:


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A train must climb a constant gradient of 5.5m for every 200m on track. Find the angle of incline
Eduardwww [97]
<span>angle = arcsin(5.5/200) = 1.575 degrees</span>
4 0
3 years ago
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What is the inverse of the function f(x) = 2x – 10?
Lana71 [14]

Answer:

h(x)=\dfrac{x}{2}+5

Step-by-step explanation:

You are given the function f(x)=2x-10. To find the inverse function f^{-1}(x) do such steps:

1. Rewrite the function f(x) as

y=2x-10

2. Express x in terms of y:

y+10=2x\\ \\x=\dfrac{y}{2}+5

3. Change x into y and y into x:

y=\dfrac{x}{2}+5

Now, the inverse function is

f^{-1}(x)=\dfrac{x}{2}+5

7 0
3 years ago
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a factory could produce 84 toy robots in one day. They purchased some new equipment. Now they can produce 105 robots in one day.
kompoz [17]

Answer:

The answer to the question is

25 % increase in production rate

Step-by-step explanation:

To solve the question, we note that

Initial number of products = 84 toy robots per day

Present production rate = 105 robots per day

The percentage increase is given by the increase in production rate divided by the original production rate multiplied by 100  

Where increase in production rate = 105 - 84 = 21

Percentage increase = 21/84 ×100 = 25 % increase

3 0
3 years ago
Please answer<br> fasttt
-BARSIC- [3]

Answer:

7.5 lb/cu ft

Step-by-step explanation:

75 lb / 10 cu ft = 7.5 lb/cu ft

4 0
2 years ago
I WILL GIVE BRAINLIEST
adelina 88 [10]

Answer: 2x - 1 (+x) =19

4 0
2 years ago
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