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Lady bird [3.3K]
3 years ago
8

5x(x+6)=−50 i need to find the xs by completing the square

Mathematics
1 answer:
FrozenT [24]3 years ago
7 0
5x(x+6)=-50 X(x+6)=-10 X square +6x=-10 (X+3) square=-10-9 (X+3) square=-19 So this equation has no solution
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The expression, 20(4x) + 500, represents the cost in dollars of the materials and labor needed to build a square fence with side
Maru [420]

Answer:

20 represent the cost per variable inputs

Step-by-step explanation:

C(x) = 20(4x) + 500

Total cost is the addition of variable cost and fixed cost

Fixed cost are cost that do not change during the production process such as machinery, furnitures and fittings.

Variable cost are cost of production that changes with production process such as cost of labor, cost of raw materials.

C(x) = 20(4x) + 500

C(x) represent the total cost

20(4x) represent the variable cost

500 represent the fixed cost

From the variable cost 20(4x)

20 represent the cost per variable inputs

7 0
3 years ago
Daniel wants to do 208 practice problems to prepare for an exam. If he wants to do 8 problems a day, how many days
vovangra [49]

Answer:

8 problems per day for 12 of the days and 9 problems per day for 24 of the days

Step-by-step explanation:

3 0
2 years ago
2x^2-12x+6=0 how to solve
Alona [7]

Answer:

x=3+sqrt{6}

Step-by-step explanation:

4 0
2 years ago
Nick can run the 440 yard dash in 55 seconds, and Jack can run it in 88 seconds. How great a handicap must Nick give Jack for th
Zepler [3.9K]
Jack --> 440 = rate * 88Jack --> 5 yrds/sex = rateJack in 55 seconds --> distance = 5 * 55 = 275 yrds440 - 275 = 165 yards handicap.
8 0
3 years ago
Pls help me find the operations of 3a^2+4a^2+7a^2​
Ber [7]

Answer:

14a^2

Step-by-step explanation:

3a^2+4a^2+7a^2

Combine like terms

Factor out a^2

a^2(3+4+7)

a^2(14)

14a^2

7 0
3 years ago
Read 2 more answers
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