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prisoha [69]
3 years ago
10

A survey showed that 75% of middle school students have at least one sibling. If Mrs.McCall has a total of 72 students, how many

would you expect to have at least one sibling?
Mathematics
1 answer:
Jlenok [28]3 years ago
8 0

<em>54 people have at least one sibling.</em>

steps;

1) figure out what it would be in if a decimal ex; 0.75 (75%) is in the hundredths place.

2) divide 75 by 100.

3) times 0.75 by 72.

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Q6: Find the first 3 terms of the sequence: a1 = 12, an = 3an-1 – 21<br> ,n&gt;2
trapecia [35]

Answer:

See below

Step-by-step explanation:

1. 12

2. 15   [3*12-21 = 15]

3. 24  [3*15-21 = 24]

4. 51   [3*24 - 21 = 51]

6 0
2 years ago
Train A traveled 173 miles in five hours. For Train B, y = 31.35x represents its rate of speed over the same five hours. Which t
kap26 [50]
<span> D) Train A by a factor of 1.1
</span>Train A: <span>17/35</span><span> = 34.6</span>

<span>Train B: </span>Rate<span> is the </span>slope<span> of the </span>equation, 31.35

Thus,<span>34.6/31.35</span><span> = 1.1036</span>
4 0
3 years ago
Read 2 more answers
3. passes through (8. -4), slope = 1/2​
spayn [35]

Answer:

y=12x−8

Step-by-step explanation:

8 0
3 years ago
if Chelsea has 11 times as many art. Brushes and they have 60 art brushes altogether how many brushes does Chelsea have
scoundrel [369]
<span>t's call P the number of art brushes that Monique has. Chelsea has 11xP (that is 11 times as many as Monique) Together they have: P + 11xP = 12xP That means 12xP = 60 (60 is the number of art brushes they have together) In order to find how much is P, we need to divide: 60 Ă· 12 = 5 brushes P = 5 ; that means has Monique 5 art brushes. Chelsea has 11 times as many art brushes as Monique: 11 x 5 = 55 brushes</span>
8 0
3 years ago
A researcher records the hospital admission rates for coronary heart disease at 10 local hospitals. She finds that 2 different h
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The central tendency researcher use to describe these data is "mode".

<h3>What is mode?</h3>

The value that appears most frequently in a data set is called the mode. One mode, several modes, or none at all may be present in a set of data. The mean, or average of a set, and the median, or middle value in a set, are two more common measurements of central tendency.

Calculation of mode is done by-

  • The number that appears the most frequently in a piece of data is its mode.
  • Put the numbers in ascending order by least to greatest, then count the occurrences of each number to quickly determine the mode.
  • The most frequent number is the mode.
  • Simply counting how many times each number appears in the data set can help you identify the mode, which is the number that appears the most frequently in the data set.
  • The figure with the largest total is the mode.
  • Example: Since it happens most frequently, the mode for the data set [5, 7, 8, 2, 1, 5, 6, 7, 5] is 5.

To know more about the mode of the data, here

brainly.com/question/27951780

#SPJ4

6 0
1 year ago
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