4 pounds is the correct answer.
explanation:
the baby gained 4 lbs during the first 4 months. then the baby gained 3 during the second 4 months. that is a total of 7. subtract that from 11, and you have 4 lbs.
<h2><u>Solution (1) :</u></h2>
Measure of angle ABC = (3x)°
Measure of angle CBD = (15x+18)°
Since angle ABC and angle CBD are a linear pair their sum will be equal to 180°¿
Which means :
Thus, <u>the value of x = 9</u>.
<h2><u>Solution (2)</u> :</h2>
From that equation, we know that the value of x = 9.
Which means :
Measure of angle ABC :
Measure of angle ABC = 27°
Therefore, <u>the measure of angle ABC = 27°</u>
<h2><u>Solution (3)</u> :</h2>
We know that x = 9
Which means :
Measure of angle CBD :
Thus, angle CBD = 153°
Since the measure of angle ABC and angle CBD equals 180°[27+153=180°], we can conclude that we have found out the correct value of each angle.
Therefore, <u>the measure of angle CBD = 153°</u>
Answer:
Step-by-step explanation:
<em>Let the number be x </em>
So,
=> The sum of number and 15 is x + 15
=> Three times will be 3(x+15)
<u>Given that</u> it equals 24
<u>So, the given condition is:</u>
3(x+15) = 24
<em>Resolving Parenthesis</em>
3x + 45 = 24
<em>Subtracting 45 to both sides</em>
3x = 24 - 45
3x = -21
<em>Dividing both sides by 3</em>
x = -7
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Answer:
x = 78°
Step-by-step explanation:
The sum of the interior angles of a triangle is 180°.
x + a + b = 180°
x = 180° -a -b . . . . . . . . add -a-b to both sides
x = 180° -54° -48°
x = 78°