Convert the mixed numbers into improper fractions...
-19/3 - (-13/3)
The LCD is 9
-19/9 + 13 * 3/9
-19 + 3 * 13/9
20/9
to mixed number is 2 2/9
Answer is A
Answer:
~ <em>50 centimeters of the poster ~</em>
Step-by-step explanation:
Let us plan out our steps, and solve for each:
<em>1. Given the information, let us create a proportionality as such:</em>
<em />
5 = 1 ⇒ x - centimeters of the poster
x 10
<em>2. Now let us cross multiply, and solve through simple algebra for x:</em>
5 * 10 = x,
x =<em> 50 centimeters of the poster </em>
<em></em>
Answer:
Step-by-step explanation: the best way to get this answer is by using a scientific calculator fx-991es plus I recommend
Let's go manual for now.
Let's covert pi/4 to angle
1⁰ =π/180
1 radian =180/π
Therefore π/4 × 180/π
∅ =45⁰
Sin-¹(tan 45⁰)
Tan 45⁰= 1
Sin-¹ (1) = 90⁰. Press { sin,-¹ (1) } on your calculator
Sin-¹ (tan pi/4) = 90⁰
Answer:
inteager
Step-by-step explanation:
temperature can express both positive and negative
Answer:
d 100
Step-by-step explanation: 2(7*4)+2(4*2)+2(7*2)= 56+16+28=100
