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gtnhenbr [62]
3 years ago
9

Item 4

Mathematics
1 answer:
natima [27]3 years ago
5 0
Answer:
135 seconds

Explanation:
One minute= 60 seconds

2 minutes = 120 because 60+60=120

120 + 15 seconds
So, 135 seconds is the answer.
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HACTEHA [7]

Answer:

1×(4-3x)/5=1×(3x×4)/7

(4-3x)/5=(3x-4)/7

7(4-3x)=5(3x-4)

28-21x=15x+21x

28+20=15x+21x

48=36x

48/36=x

x=4/3

6 0
3 years ago
A<br> Play 3)<br> What is the mean of the data set?<br> 8, 16, 9, 11
konstantin123 [22]
The answer is 11 when you add everything up it makes 44 divided by how many numbers there are so 44/4=11
5 0
3 years ago
Read 2 more answers
Find the student’s error in solving the following inequality.
hram777 [196]

Step-by-step explanation:

When dividing both sides of an equality by a negative number, the sign should be changed:

25 < -5x

-5 > x

x < -5

6 0
4 years ago
In a class of 80 students in Debre Berhan University, 45 are good in mathematics, 15 are good in both mathematics and English, 1
Burka [1]

Step-by-step explanation:

No of Student in Debre Berhan University - 80 students

<h2><em>No </em><em>of </em><em>student </em><em>good </em><em>in </em><em>mathematics </em><em>-</em><em> </em><em>45 </em><em>student's </em></h2>

<em>No </em><em>of </em><em>students </em><em>good </em><em>in </em><em>mathematics </em><em>and </em><em>English </em><em>-</em><em>15</em>

<h2><u>No </u><u>of </u><u>students </u><u>good </u><u>in </u><u>mathematics </u><u>and </u><u>psychology </u><u>-</u><u>13</u></h2>

<h2><u>No of students good </u><u>in </u><u>English </u><u>and </u><u>psychology </u><u>-</u><u>16</u></h2>

<h3><u>No of students good in</u><u> </u><u>psychology </u><u>-</u><u>20</u></h3>

<u>no </u><u>of </u><u>student </u><u>good </u><u>in </u><u>mathematics </u><u>-</u><u>45+</u><u>1</u><u>5</u><u>+</u><u>1</u><u>3</u>

<h2><u>-</u><em><u>7</u></em><em><u>5</u></em></h2>

<em><u>therefore </u></em><em><u>no </u></em><em><u>of </u></em><em><u>student </u></em><em><u>good </u></em><em><u>in </u></em><em><u>math </u></em><em><u>is </u></em><em><u>75 </u></em><em><u>.</u></em>

<em><u>pls </u></em><em><u>mark </u></em><em><u>me </u></em><em><u>branilest </u></em>

7 0
3 years ago
2 3/4 quarts equals how many pints
mr Goodwill [35]
The answer to this question would be: 5 1/2 pints

A quart is a unit that used for volume. A quart would be equal to 2 pints or 1/4 of gallons. A quart is also roughly equal to 4 cups. In this question, you asked to convert quarts into pints. Then the calculation would be:

Quart = 2 pints
2 3/4 quart = 2 * (2 3/4 pints)= 4 6/4 pints = 5 2/4 pints= 5 1/2 pints
7 0
4 years ago
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