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Katen [24]
3 years ago
11

Skyler goes to a school which has 100 students in it. She asks 40 random students whether they like the new 8.30 am start to the

day. 30 of them say no they don’t like it. Use this information to estimate how many students in the whole school dislike the 8.30 am start.
Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Answer:

75 students

Step-by-step explanation:

first write a ratio of the students asked to students dislike

40:30, 40 to 30, or 40/30

now simplify the ratio

4/3

now she asked 40 students, so we have to find out the unit rate

so we have to flip the fraction to 3/4 and then divided the top and bottom by 4

0.75/1

now multiply the top and bottom by 100

75/100

75 students

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REFLECTION

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Triangle ABC has side lengths: AB = 3.5 cm, BC = 2.4 cm, and AC = 4.2 cm ΔABC ≅ ΔHJK What is the length of side HJ?
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What is 4/15 / -3.4<br>​
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4 0
3 years ago
Graph the equation using the slope and the y intercept 2x-3y=8
sammy [17]

Step-by-step explanation:

<h2>Find slope-intercept structure </h2>
  • y=
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7 0
2 years ago
The angle Johnny holds his pen on paper creates a linear pair. The measure of one angle is 13x + 7. The
tresset_1 [31]
<h3>The value of x is 4.10</h3>

<em><u>Solution:</u></em>

Given that,

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Angles in a linear pair are supplementary angles

Two angles are supplementary, when they add up to 180 degrees

The measure of one angle is 13x + 7

The  measure of the second angle is one less than twice the first angle

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