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Setler [38]
3 years ago
14

I need help on how to do this as soon as possible please

Mathematics
1 answer:
AfilCa [17]3 years ago
6 0

Answer:

11

Step-by-step explanation:

m∠1  = m∠2  {Corresponding angles}

78 - 2x = 89 - 3x

Add 3x to both sides

78 - 2x + 3x = 89

78 + x = 89

Subtract 78 from  both sides

x = 89 - 78

x = 11

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4 0
3 years ago
In a geometric series each term is 21% less than previous term what is the value of r for this geometric series
motikmotik
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5 0
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PLEASE ANSWER FAST HAVE TO FINISH TEST BY THE END OF THE DAY:
Dennis_Churaev [7]

Step-by-step explanation:

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3 years ago
Give the value of the expression from (a) when x=10<br> (i just need the answer for B)
Masteriza [31]

Answer:

257

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

2x² + 5x + 7

x = 10

<u>Step 2: Evaluate</u>

  1. Substitute:                    2(10)² + 5(10) + 7
  2. Exponents:                   2(100) + 5(10) + 7
  3. Multiply:                        200 + 50 + 7
  4. Add:                              250 + 7
  5. Add:                              257
5 0
2 years ago
1. The number of visitors to a website in the first week is 50. The number of visitors each week is double the number of visitor
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Week 2: 100
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Week 4: 400
Week 5: 800
Week 6: 1600
Week 7: 3200
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3 years ago
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