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MaRussiya [10]
3 years ago
8

Determine the type and number of solutions of x^2 + 10x − 25 = 0.

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

There is exactly 1 solution and it is a double root.

Step-by-step explanation:

To find this, factor the equation and solve.

x^2 + 10x - 25 = 0

(x - 5)(x - 5) = 0

Now that we have this factored, we can set each parenthesis equal to 0 and solve separately.

x - 5 = 0

x = 5

x - 5 = 0

x = 5

Because there are two of the exact same answer, we know it to be a double root.

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What integer is closest to <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B321%7D%20" id="TexFormula1" title=" \sqrt{321} " a
crimeas [40]

Answer:

Step-by-step explanation:

18*18 = 324

So 18 is the closest integer to \sqrt{321}

6 0
2 years ago
Read 2 more answers
Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using mathematical evidence or visual models.
d1i1m1o1n [39]

15% of 25 is the greatest of the two.

Answer:

25% of 15 is 3.75

15% of 25 is also 3.75

15 - 3.75 = 11.25

25 - 3.75 =21.25

Compare and then determine.

11.25 < 21.25

8 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=10xy-4x%2B25y-10" id="TexFormula1" title="10xy-4x+25y-10" alt="10xy-4x+25y-10" align="absmiddl
r-ruslan [8.4K]
Answer:

(5y-2)x(2x+5)

Step by step explanation:

10xy-4x+25y-10

Factor out 2x from the expression

2x*(5y-2)+25y-10

Factor our 5 from the expression

2x*(5y-2)+5(5y-2)

Factor out 5y-2 from the expression

(5y-2)x(2x+5)
5 0
2 years ago
3^2+100(-3x+209)66^2+11+34= ?
mel-nik [20]

Answer:

I think its −1306800x+91040454

Step-by-step explanation:

Let's simplify step-by-step.

32+100(−3x+209)(662)+11+34

Distribute:

=32+−1306800x+91040400+11+34

=9+−1306800x+91040400+11+34

Combine Like Terms:

=9+−1306800x+91040400+11+34

=(−1306800x)+(9+91040400+11+34)

=−1306800x+91040454

7 0
2 years ago
What is the best example of elasticity demand in the context university of rwanda
WINSTONCH [101]

Answer:

Step-by-step explanation:

<u>Elasticity Demand</u>

  • The flexibility of interest is a significant minor departure from the idea of interest. Request can be delegated as versatile, inelastic, or unitary.
  • Flexible interest is one in which the adjustment of the amount requested because of an adjustment of cost is huge. An inelastic interest is one in which the adjustment of the amount requested because of an adjustment of cost is little.
  • The equation for processing versatility of interest is:

(Q1 - Q2)/(Q1 + Q2)

(P1 - P2)/(P1 + P2)

  • In the event that the recipe makes an outright worth more prominent than 1, the interest is flexible. At the end of the day, the amount changes quicker than the cost. On the off chance that the worth is under 1, the request is inelastic. All in all, the amount changes more slowly than the cost. In the event that the number is equivalent to 1, the flexibility of interest is unitary. All in all, the amount changes at a similar rate as the cost.
  • An illustration of items with a flexible interest is purchaser durables. These are things that are bought inconsistently, similar to a clothes washer or an auto, and can be deferred assuming the cost rises. For instance, vehicle refunds have been extremely fruitful in expanding car deals by diminishing costs.

#SPJ10

7 0
1 year ago
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