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lys-0071 [83]
2 years ago
9

Solve for x. x 18 = 10 A) 8 B) 28 C) 162 D) 180

Mathematics
2 answers:
Novay_Z [31]2 years ago
8 0

Answer:

D) 180

Step-by-step explanation:

Komok [63]2 years ago
5 0

Answer:

B) 28?

Step-by-step explanation:

Im assuming its x+18=10.

Therefore 18+10 so x=28

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PLEASE SOMEONE ANSWER THESE 2 questions asap and show how u got ur answer! Will thanks and give double the points and mark brain
Fed [463]

4x-3 ≥ 5
4x ≥ 5+3      (add 3 to both sides)
x ≥ 8/4         (divide both sides by 4)
x ≥ 2

a is the answer.
_____________________

3x-5 ≥ 7
3x ≥ 7+5
x ≥ 12/3
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b is the answer

so, did you understand?

4 0
3 years ago
Find the Z-scores that separate the middle 61% of the distribution from the area in the tails of the standard normal distributio
professor190 [17]

Answer:

Z-scores between -0.86 and 0.86 separate the middle 61% of the distribution from the area in the tails of the standard normal distribution

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Middle 61%

Between the 50 - (61/2) = 19.5th percentile and the 50 + (61/2) = 80.5th percentile.

19.5th percentile.

Z with a pvalue of 0.195. So Z = -0.86

80.5th percentile.

Z with a pvalue of 0.805. So Z = 0.86.

Z-scores between -0.86 and 0.86 separate the middle 61% of the distribution from the area in the tails of the standard normal distribution

8 0
2 years ago
Plz help answer if you know the answer
Elza [17]

Answer:

I think its 12 bc of the triangle inequality theorem

6 0
3 years ago
Read 2 more answers
Question 4 (1 point)
kow [346]

Answer:

pretty sure its A n B = {1,5}

Step-by-step explanation:

8 0
3 years ago
Combining like terms
ololo11 [35]
Like terms are where there variables are the same
3 0
3 years ago
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