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Triss [41]
4 years ago
14

SOMEONE PLEASE HELP ME! I've been stuck on this for over 3 hours and i really need help! I'm offering 40 points!

Mathematics
2 answers:
Ne4ueva [31]4 years ago
4 0

Answer:

x\geq 8.6

Step-by-step explanation:

This problem requires subtraction, then division.. The first step is to add 9.5 to each side of the inequality. This isolates 6x on one side and makes the equation easier to understand:

-9.5+9.5+6x\geq 42.1+9.5\\6x\geq 51.6

Next, you need to divide each side by 6 to get your answer:

\frac{6x}{6}\geq  \frac{51.6}{6} \\x\geq 8.6

As a little bonus tip, if you ever end up dividing each side by a negative number, you MUST reverse the sign.

yawa3891 [41]4 years ago
4 0

Answer:

x≥8.6

Step-by-step explanation:

-9.5+6x≥42.1

Add 9.5 to cancel out the left hand side

6x≥42.1+9.5

6x≥51.6

Divide by 6.

x≥8.6

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The statement "Angle 1 is congruent to angle 3" is justified by the ________. ?
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Answer:

1

Step-by-step explanation:

that is a cute thing to be said that you know is the only way you could

6 0
3 years ago
Let f(x) = 5x – 2 and g(x) = 2x + 3 and find f(x) –
Sati [7]

Answer:

f(x) - g(x) = 3x - 5

Step-by-step explanation:

Hi,

To subtract f(x) and g(x), we need to do (5x - 2) - (2x + 3). We solve and we get 3x - 5. So, f(x) - g(x) = 3x - 5.

The second answer choice is correct.

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5 0
3 years ago
Read 2 more answers
Explain how to write and evaluate an algebraic expression.
ziro4ka [17]

Answer:

  • 40/n - 13
  • 7

Step-by-step explanation:

Thirteen less than the quotient of forty and a number. Required equation:

  • 40/n - 13

<u>When n = 2 we have:</u>

  • 40/2 - 13 = 20 - 13 = 7
6 0
3 years ago
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If the circumference of the circle is 72 what is the minor arc of a 60 degree angle
telo118 [61]
The circumference involves 360 degrees.
60 degrees is one sixth of the circle (60/360)
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6 0
4 years ago
I have 25 coins in my pocket all of which are 5 penny or 20 penny coins. if their total value is 2.90 pounds how many penny coin
Jlenok [28]

Answer:

  • 14 coins of 5p
  • 11 coins of 20p

Step-by-step explanation:

<u>Given</u>

  • 5p coins = x
  • 20p coins = y
  • Total = 2.90 = 290 p
  • Number of coins = 25

<u>Equations</u>

  • x + y = 25
  • 5x + 20y = 290 ⇒ x + 4y = 58

<u>Consider the first equation in the second one</u>

  • x + y + 3y = 58
  • 25 + 3y = 58
  • 3y = 33
  • y = 11

<u>Then x is</u>

  • x = 25 - 11 = 14

<u>Answer</u>

  • 14 off 5p coins and 11 off 20p coins
3 0
3 years ago
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