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Georgia [21]
3 years ago
13

Bert already has $50 but needs a total of at least $250 for his holiday. He gets paid $20 per day for delivering papers. What is

the least number of days he must work to get enough money for his holiday
Mathematics
1 answer:
Lana71 [14]3 years ago
3 0
50+20x=250
-50. -50

20x=200

Divide both sides by 20
X=10
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Complete the square to rewrite the equation in the form (x−h)2=p.
Aloiza [94]

Answer:

The answer to your question is  the last option  (x + 6)² = 13

Step-by-step explanation:

Data

                             x² + 12x + 23 = 0

Process

1.- Subtract 23 in both sides

                           x² + 12x + 23 - 23 = -23

2.- Simplify

                          x² + 12x + (     )   = - 23

3.- Complete the perfect square trinomial

                         x² + 12x + (6)² = -23 + (6)²

4.- Factor

                         (x + 6)² = -23 + (6)²

5.- Simplify

                         (x + 6)² = -23 + 36

6.- Result

                        (x + 6)² = 13                              

7 0
3 years ago
Daniel and Hector both throw shot put for their school's track and field team.
tatyana61 [14]

Answer:

Option B : Hector by 3 feet is the correct answer.

Step-by-step explanation:

Given that:

Mean of Daniel = \frac{Sum\ of\ quantities}{Number\ of\ quantities}

Mean of Daniel = \frac{27+30+34+35+34}{5} = \frac{160}{5}

Mean of Daniel = 32 feet

Mean of Hector = \frac{38+24+38+40+35}{5} = \frac{175}{5}

Mean of Hector = 35 feet

Therefore,

Hector has a greater mean

Difference = Hector's Mean - Daniel's Mean

Difference = 35 - 32

Difference = 3 feet

Hence,

Option B : Hector by 3 feet is the correct answer.

3 0
2 years ago
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riadik2000 [5.3K]
Your method is completely correct. The first term will be 6 and each subsequent term can be obtained by adding 6 to the previous one, meaning the common difference is 6. The number of terms is given by the highest number that is divisible by 6 and dividing it by 6; that is 996/6 = 166
Then we simply apply the formula for arithmetic sequence sum:
S = n/2 [2a₁ + (n - 1)d]
S = 166/2 [ 2(6) + (166 - 1)6]
S = 83,166
8 0
3 years ago
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fiasKO [112]

Answer:

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The figure is made by attaching semicircles to each side of an 11-ft-by-11-ft
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