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olga nikolaevna [1]
3 years ago
6

X+34>55

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
8 0

Answer:

x > 21

General Formulas and Concepts:

<u>Pre-Algebra</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

x + 34 > 55

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 34 on both sides:                      x > 21
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63 feet of ribbon

Step-by-step explanation:

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Two isosceles triangles are shown above. If b = 180-4a and a=35, What is the value of c?
Ymorist [56]

Answer:

a=35 given

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I couldn't complete see c. Please look at the picture to see what I assumed it to be.

Step-by-step explanation:

Hmmm... I guess a and b are not vertical.

We are given b=180-4a and a=35 so b=180-4(35)=180-140=40.

So b=40.

Isosceles triangles always have congruent base angles.  So let's call both of the base angles in the bottom triangle x.

That means x+x+40=180.

We need to solve this for x.

Combine like terms:

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Subtract 40 on both sides:

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3 years ago
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For the past three months Grace used her cell phone for 43 minutes 62 minutes and 57 minutes how many minutes would you have to
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Answer:

Grace should use her phone for 58 minutes to maintain an average of 55 minutes.

Step-by-step explanation:

Usage of first month = 43 minutes

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Mean of the data = 5 minutes

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or, 55  x 4 = 162 + k

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or, k = 58 minutes

So, Grace should use her phone for 58 minutes to maintain an average of 55 minutes.

5 0
3 years ago
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