Answer:
5x + 3y = -6
2x + y = -4.
Step-by-step explanation:
Answer:
number of scores between 490 and 610 is = 0.68 x 300 = 204
Step-by-step explanation:
The concept of Probability distribution is applied as it relates to the Z-scores.
Z = X - Mean /Standard deviation
The detailed steps and appropriate substitution is as shown in the attached file.
Answer:
240 = 2 x 2 x 2 x 2 x 3 x 5 or 2^4x3x5
Step-by-step explanation:
240
/ \
2 120 (240 = 2 x 120)
/ \
2 60 (120 = 2 x 60)
/ \
2 30 (60 = 30 x 2)
/ \
2 15 (30 = 2 x 15)
/ \
3 5
Solutions
4 1/9
4 1/9 <span> is a "mixed" fraction" so it can be simplified to an improper fraction
4 1/9 = 37 / 9 as an </span><span>improper fraction
</span><span> "reciprocal" means its inverse, which would be
</span>
9 / 37
To find the reciprocal you just have to flip the fraction.
