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chubhunter [2.5K]
3 years ago
13

Suppose you try to conduct a presidential approval poll of 5,000 likely

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer:

I don't know answer good morning dear

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5. Using only odd numbers for numerators,
Lady bird [3.3K]

Answer:

  • 3/4 - 1/4 = 1/2
  • 5/8 - 1/8 = 1/2

Step-by-step explanation:

You can pick just about any fraction with an odd numerator and find another at distance 1/2 from it.

For example, 5/7 - 1/2 = 10/14 - 7/14 = 3/14. So your subtraction problem can be ...

  5/7 - 3/14 = 1/2

Choosing a denominator divisible by 4 can make both parts of the problem use the same denominator.

  3/4 - 2/4 = 1/4, so the corresponding subtraction problem is 3/4 - 1/4 = 1/2.

  5/8 - 4/8 = 1/8, so the subtraction problem is 5/8 -1/8 = 1/2.

4 0
3 years ago
Has to be turned in soon at 9:00 it's 7:50
disa [49]

Answer:

A

Step-by-step explanation:

b must always be greater than 0 since 12b-15 must always be greater than 21. You can simplify the ineqaulity to see things easier; 12b>36. Again, this ineqaulity can be simplified; b>3. A is the closest answer here, but there should be an open interval at 3 for A to be correct.

7 0
2 years ago
Three students have started a fence-painting business. Working together, Pragnesh and Qazi can paint the fence in 2 hours. Simil
vlada-n [284]

Answer: 55.4 mins

Step-by-step explanation:

pragnesh and qazi = 2hrs

pragnesh and roghui = 3hrs

qazi and roghui = 4hrs

this means for every 1 hour they wold paint.

pragnesh and qazi = \frac{1}{2} half of the fence

pragnesh and roghui = \frac{1}{3}

qazi and roghui = \frac{1}{4} quarter of the fence

time taken when they all work together

= \frac{1}{2} + \frac{1}{3} + \frac{1}{4}

= \frac{13}{12}

= \frac{12}{13}

= 0.9231 × 60(mins)

= 55.4 mins

8 0
3 years ago
Do u have algebra answers
8090 [49]
What's the algebra question ?
8 0
3 years ago
Ruby is buying chocolates for her friends. The candy store charges $13.80 for a box of chocolates, and each additional piece of
Reptile [31]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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