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3 years ago

Find the difference. Enter your answer in the box below as a fraction, using

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

3 0

Answer: its 1/17

Step-by-step explanat

5-4=1 keep the 17 the same so its 1/17

There u good :)

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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

zhannawk [14.2K]

Answer:

y=27;y=−42

Step-by-step explanation:

33−y=6;63+y=21

y=27;y=−42

I hope this helps!

3 0

3 years ago

Read 2 more answers

Mary cut a wire into 7 equal pieces. The wire was originally 7.84 meters long. How long is each piece?

Dvinal [7]

Answer:

Each piece is 1.12 meters long

Step-by-step explanation:

7 equal pieces = divide x by 7

equation: 7.84 / 7

5 0

3 years ago

- is running in a long-distance race. If he maintains an average speed of 8 miles per hour, then the distance in miles that he h

UkoKoshka [18]

Answer:

55555

Step-by-step explanation:

56778654368754775556

8 0

2 years ago

Help!

nikklg [1K]

Answer:

Step-by-step explanation:

19) Amount of oil in = amount of oil in final product

.025(x) + .09(40-x) = .055(40) (x = 2.5% amt 40 - x = 9% amt)

x = 21.54 L of 2.5 % then 9% = 18.46 L

3 0

2 years ago

The number of bacteria in a refrigerated food product is given by N ( T ) = 22 T 2 − 123 T + 40 , 6 < T < 36 , where T is

antoniya [11.8K]

Answer:

$N(T(t)) = 1408t^2 - 385.6t - 105.52$

Time for bacteria count reaching 8019: t = 2.543 hours

Step-by-step explanation:

To find the composite function N(T(t)), we just need to use the value of T(t) for each T in the function N(T). So we have that:

$N(T(t)) = 22 * (8t + 1.7)^2 - 123 * (8t + 1.7) + 40$

$N(T(t)) = 22 * (64t^2 + 27.2t + 2.89) - 984t - 209.1 + 40$

$N(T(t)) = 1408t^2 + 598.4t + 63.58 - 984t - 169.1$

$N(T(t)) = 1408t^2 - 385.6t - 105.52$

Now, to find the time when the bacteria count reaches 8019, we just need to use N(T(t)) = 8019 and then find the value of t:

$8019 = 1408t^2 - 385.6t - 105.52$

$1408t^2 - 385.6t - 8124.52 = 0$

Solving this quadratic equation, we have that t = 2.543 hours, so that is the time needed to the bacteria count reaching 8019.

4 0

3 years ago