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frozen [14]
3 years ago
8

Which system has no solution?

Mathematics
1 answer:
DanielleElmas [232]3 years ago
4 0
I wanna say the 6th one down
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5 + 4x - 2x = 8x + 11 + 12<br><br> Explain step by step PLEASE
Yuliya22 [10]

Answer:

The solution is x = -3

Step-by-step explanation: Please brainliest!

4 0
2 years ago
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the length of a rectangle is 4 feet longer than twice the width of the same rectangle. if the perimeter of the rectangle is 68 f
Rom4ik [11]

Represent the length and width by L and W.  Then L = W + 4.

Using the perimeter formula:  P = 2L + 2W = 68 ft = 2W) + 2(W+4).

Solve for W:  68 = 2W + 2W + 8, or 4W = 60.  Thus, W = 15 and L = 19.

The dimensions of the rectangle are 15 by 19 feet.

4 0
3 years ago
Samples of rejuvenated mitochondria are mutated(defective) in 1% ofcases. Suppose 15 samples are studied, and they can be consid
Bezzdna [24]

Answer:

A)0.86

B)0.99

C)6.047E-13

Step-by-step explanation:

Since p = 0.01 and q= 0.99

Number of event n = 15

Using binomial expansion

A) Probability (No samples are mutated) = 15C0 (p)^0 * (q)^15

= 1*(0.01)^0*(0.99)^15 = 0.86

B)Probability (At most one sample is mutated) = 15C0 * p^0 *q^15 + 15C1 * p^1 * q^14 = 1*(0.01)^0*(0.99)^15 + 15C1 * 0.01 * 0.99^14 = 0.86 + 15*0.01*0.8687 = 0.86 + 0.13 = 0.99

C) Probability (More than half the samples are mutated) = 15C8* 0.01^8 * 0.99^7 + 15C9* 0.01^9 * 0.99^6 +15C10* 0.01^10 *0.99^5 + 15C11 * 0.01^11 * 0.99^4 + 15C12 * 0.01^12 * 0.99^3 + 15C13 * 0.01^13 * 0.99^ 2 + 15C14 * 0.01^14 * 0.99^1 + 15C15 * 0.01^15 * 0.99^0

Probability (More than half the samples are mutated) = 6E-13 + 4.71E-15 + 2.86E-17 + 1.31E-19 + 4.41E-22 + 1.03E-24 + 1.49E-27 + 1E-30 = 6.047E-13

3 0
3 years ago
7x - y = - 1 (7x + 3y = - 25)
Otrada [13]

Answer:

x = -1

y = -6

Step-by-step explanation:

7x - y = -1 -> y = 1 + 7x

7x + 3y = - 25

Put y = 1 +7x -> 7x + 3(1 +7x) = -25

-> x = -1

-> y = -6

8 0
2 years ago
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Which one has a greater value 2654° or 5°​
wariber [46]

Answer: 2650 degrees

Step-by-step explanation: because it is higher then 5

6 0
3 years ago
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