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Verdich [7]
2 years ago
14

Subtact: (9x + 5) - (4x + 3)​

Mathematics
1 answer:
jek_recluse [69]2 years ago
8 0

Answer:

5x+2

Step-by-step explanation:

(9x+5)-(4x+3)

5x+2

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The sloping side of a cone is 10cm and the height is 8cm. find the radius of the base
amid [387]
You can use Pythagoras theorem to find the radius.

r^2 + 8^2 = 10^2

r^2 + 64 = 100

r^2 = 36

r = 6
3 0
3 years ago
You survey 50 people and 44 say​ "yes." What fraction of the people say​ "yes?" What percent of the people say​ "yes?"
Mumz [18]

Answer:

percent 88%

fraction 44/50

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Step-by-step explanation:

8 0
2 years ago
A.2/7<br> B.3/7<br> C.5/7<br> D.4/7
Dafna1 [17]

Answer:

  • The C indicates the opposite of that
  • So it would be 4/7

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2 years ago
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patriot [66]

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a

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Step-by-step explanation:

4 0
2 years ago
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At the beginning of an experiment, the temperature of a solution was 48°C. During a 6-hour
ExtremeBDS [4]

9514 1404 393

Answer:

  • -2.2(6) +1.8(4) . . . temperature change
  • 42 °C

Step-by-step explanation:

At the end of the first 6 hours, the temperature change was ...

  (-2.2 K/h)(6 h) = -13.2 K

The change in the next 4 hours was ...

  (1.8 K/h)(4 h) = 7.2 K

Then the total change over the 10-hour period was ...

  (-2.2)(6) +(1.8)(4) . . . . . expression for temperature change

This evaluates to -13.2 +7.2 = -6.

__

The final temperature is the sum of the initial temperature and the temperature change:

  final temperature = 48 °C -6 °C = 42 °C

_____

<em>Additional comment</em>

When temperature is measured on the Celsius scale, a change of 1 degree is called a kelvin (K).

8 0
3 years ago
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