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77julia77 [94]
3 years ago
8

K(x) = 6x + 100 k(-5) =

Mathematics
1 answer:
Delvig [45]3 years ago
8 0

Answer:

21.6

Step by step

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What is the ratio of the two values and what new value do they produce? $280 in 7m
3241004551 [841]

Answer:

The ratio between two values A and B is just the quotient between these two values:

ratio = A/B

a) $280 in 7m

Here the ratio is:

$280/7m = $40/m

This also can be read as:

$40 per meter.

b) 105 miles in 2 hours

Here the ratio is:

105mi/2h = 52.5 mi/h

This also can be read as:

52.5 miles per hour

c) $33 for 5lb

The ratio is:

$33/5lb = $6.6/lb

This can be read as:

$6.6 per pound.

d) 50 pages in 2 hours

the ratio is:

(50 pages)/2h = 25 pages/h

this can be read as:

25 pages per hour.

4 0
2 years ago
Seven halves is equal to how many wholes?
nikdorinn [45]
Seven halves would equal to 3.5 wholes. What you do is divide 7 by 2 to find out how many wholes their are.
6 0
2 years ago
It takes machine A x hours to manufacture a deck of cards that machine B can manufacture in y hours. If machine A operates alone
nlexa [21]

Answer:

The expression that shows how long the two machines will operate simultaneously is:

\frac{y(100x-z)}{x+y}

Step-by-step explanation:

We know that:

x: hours to manufacture a deck of cards for machine A

y: hours to manufacture a deck of cards for machine B

z: hours that machine A operates alone

The number of decks manufactured only by machine A is:

\frac{z}{x}

So, the remaining decks are given by:

100-\frac{z}{x}=\frac{100x-z}{x}

Then, the combined rate of machines A and B would be:

\frac{1}{x} +\frac{1}{y} =\frac{x+y}{xy}

The work-rate formula is:

Amount= Rate \times Time

Hence, the time that the two machines work simultaneously is:

Time=\frac{Amount}{Rate}

Time=\frac{Amount}{Rate} =\frac{\frac{100x-z}{x} }{\frac{x+y}{xy} } ={\frac{100x-z}{x} \times \frac{xy}{x+y}=\frac{y(100x-z)}{x+y}

3 0
3 years ago
b) Imagine that you earned $8,425 in one year. If the government enforces a 15% income tax, how much money would you owe in taxe
Solnce55 [7]
$1,263.75 is how much would be taxed 
Take 8425 multiply it by 0.15 to get your answer
4 0
3 years ago
Read 2 more answers
Please help need done will mark you as brainliest
Tom [10]
First, you find the volume,  for a cone which is 4/3 pi r^2/ I don't want to give you the answer, but find the radius and height and then double it. All you need here is to find the formula

8 0
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