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Lunna [17]
3 years ago
5

Plzz help 20 points. HURRY!!!!!!!!!!!!!!!!

Mathematics
2 answers:
dimaraw [331]3 years ago
5 0

Answer:

2 and 3; .07 seconds

Phantasy [73]3 years ago
3 0

5 and 6

0.07

that is the answers

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Peter has twice as many stickers as Joe. Joe has 40 more stickers than Emily. They have 300 Stickers altogether. How many sticke
GarryVolchara [31]

Answer:

170

Step-by-step explanation:

Equations derived from given info.

  • P=2J
  • J=E+40
  • P+J+E=300

Use some substitution now.

  • P=2(E+40)
  • J=E+40
  • P+J+E=300

Substitute first and second equation into third.

  • 2(E+40)+E+40+E=300
  • 2E+80+E+40+E=300
  • 4E+120=300
  • 4E=180
  • E=45

Emily has 45 stickers. But we want to know what Peter has.

Use P=2(E+40)

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Peter has 170 stickers.

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3 years ago
1 meter is times as long as 1 decimeter
anzhelika [568]

Answer:

10

Step-by-step explanation:

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Twice a first number decreased by a second number is 22. The first number increased by four times the second number is - 7.
AnnZ [28]

Answer:

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Step-by-step explanation:

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3 years ago
A colony contains 1500 bacteria. The population increases at a rate of 115% each hour. If x represents the number of hours elaps
Burka [1]

Answer:Answer:

Option (c) is correct.

function representing the increase of bacteria every hour x,

Step-by-step explanation:

Given : A colony contains 1500 bacteria. The population increases at a rate of 115% each hour.

we have to find the function that represents the given scenario.

Let x represents the number of hours elapsed.

Given  A colony contains 1500 bacteria

and number of bacteria is increasing at a rate of 115% each hour.

Using formula for Compound interest , we have,

Where A is amount

T is time period

R is rate of interest

Here, P = 1500

T = x hours

R = 115%

Let f(x) be the function representing the increase of bacteria every hour.

Substitute, we have,

Simplify, we get,

Thus,  function representing the increase of bacteria every hour x,

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I got that question and the answer C
5 0
2 years ago
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