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Mazyrski [523]
3 years ago
15

Please help this makes no sense to me

Mathematics
2 answers:
Whitepunk [10]3 years ago
8 0
The answer to your question: the ratio of 4 months that have 30 days is ✨3 to 1✨
Elden [556K]3 years ago
3 0
The answer is 3 in 1
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Abe,a plumber, charges $50 per hour for making an in-home visit. The Plumbing Service $65 per hour but no set free for a visit.
ArbitrLikvidat [17]

Answer:

Plumber: 13 hours

Plumbing service: 10

Step-by-step explanation:

What you have to find is LCM(least common multiple in order to find the lcm all you have to do is list all the multiples and find their common multiple.

5 0
3 years ago
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25 is 55% of what number
mart [117]

Answer:

45.45

Step-by-step explanation:

25 is 55% of What Number? - 25 is 55% of 45.45. 100% of 45.45 is 45.45, therefore 55 percent of 45.45 equals 25.

5 0
3 years ago
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When analyzing three linear functions, Michele noticed that they all intersected at the point (5, 3). What conclusion can Michel
xz_007 [3.2K]

Answer: option B. it has the highest y-intercept.

Explanation:

1) point -slope equation of the line

y - y₁ = m (x - x₁)

2) Replace (x₁, y₁) with the point (5,3):

y - 5 = m (x - 3)

3) Expand using distributive property and simplify:

y - 5 = mx - 3m ⇒ y = mx + 5 - 3m

4) Compare with the slope-intercept equation of the line: y = mx + b, where m is the slope and b is the y-intercept

⇒ slope = m

⇒ b = 5 - 3m = y - intercept.

Therefore, for the same point (5,3), the greater m (the slope of the line) the less b (the y-intercept); and the smaller m (the slope) the greater the y - intercept.

Then, the conclusion is: the linear function with the smallest slope has the highest y-intercept (option B).

7 0
3 years ago
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According to the U.S. Census Bureau, the prob ability that a randomly selected household speaks only English at home is 0.81. Th
ludmilkaskok [199]

Answer:

Step-by-step explanation:

Given that according to the U.S. Census Bureau, the prob ability that a randomly selected household speaks only English at home is 0.81.

The probability that a randomly selected household speaks only Spanish at home is 0.12.

(a)  the probability that a randomly selected household speaks only English or only Spanish at home

= 0.81+0.12 = 0.93

(since these two are disjoint sets)

(b)  the probability that a randomly selected household speaks a language other than only English or only Spanish at home

= 1-0.93= 0.07 (remaining)

(c)  the probability that a randomly selected household speaks a language other than only English at home

=1-0.81=0.19

(d) Can the probability that a randomly selected household speaks only Polish at home equal 0.08? Why or why not?

Polish alone can never exceed 1-(0.81+0.12) i.e. 0.70

At most it can take values as 0.7 only

So no is the answer.

4 0
3 years ago
Pencils come in boxes of 10. How many boxes should Erika buy if she needs 127 pencils
vova2212 [387]
13 boxes can I get brainliest please ❤️
3 0
3 years ago
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