Terrence is folding paper cranes at a constant rate. The table below shows the amount of time he needs to fold cranes.Number of cranes Total time (minutes)
555 17.517.517, point, 5
888 282828
121212 424242
Write an equation to describe the relationship between ccc, the number of cranes, and ttt, the total time in minutes.
Answers
Answer:
t = 3.5c
Step-by-step explanation:
The correct table is attached in the image below. Since the papers are being folded at a constant rate, there is a linear relationship between c, the number of crane and t, the total time in minutes.
We can find the equation of this linear relation using any two pair of points from the table. Using the first two points: (5, 17.5) and (8, 28)
First we need to find the slope of the line which gives the relation between the two variables.
y coordinates represents the dependent variable which is the time in this case and x coordinates represents the independent variable which is number of cranes in this case. Using the values from the two points we considered:
Thus, the equation of the line will be of the form:
t = mc + b
m is the slope here. Using its values, we get:
t = 3.5c + b
b is known as y-intercept. We need the value of b to complete the equation. Substituting the value of t and c from any pair we can find the value of b.
Using the point (5, 17.5), we get:
17.5 = 3.5(5) + b
b = 0
This means, the equation of the line would be:
t = 3.5c
Answer:
t=3.5c
Step-by-step explanation:
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Three times a number increased by 7 gives the same result as four times the number increased by 5? Heeellllpppp
A
$140
B.
$240
C.
$286
Answers
Answer:
c) 286
Step-by-step explanation:
Since Annabelle paid 200 euros
And Myra wants to pay Annabelle back in U.S. dollars.
Let Myra paid amount to Annabelle in U.S. dollar be x
\frac{1}{0.7}=\frac{x}{200}
⇒\frac{1*200}{0.7}=x
⇒\frac{200}{0.7}=x
⇒285.7=x
⇒285.7≈286
so, myra paid annebelle $286 usd
Answer:
C.
$286
Step-by-step explanation:
Plzz visit my profile and help me with my questions.
Answers
9, 18, 27, 36, 45
Answers
Answer:
Step-by-step explanation:
Set this up as a proportion with oz on the top and grams on the bottom and then fill in with what you are given:
Cross multiply to get x = 28*3 so x = 84 g
Do the same for the next ratio:
and cross multiply again to get
28x = 140 so
x = 5 oz
Answer:
Ounces Grams
1 28
3 84
5 140
Step-by-step explanation:
Since one ounce is 28 grams you would do 3 times 28 which gives you 84 and so 3 ounces if equal to 84 grams. Now we have to find how many ounces in 140 grams. We would do 140 divided by 28 which gives us 5 and so 140 grams is equal to 5 ounces. Hope this helps! If not well...
Answers
= 2*(lb + bh + lh)
for 15 by 7 by 4 1/2 = 15 by 7 by 4.5
Surface area = 2*(15*7 + 15*4.5 + 7*4.5)
= 2*(105 + 67.5 + 31.5)
=2 *(204) = 408
Surface area of box = 408 in²
Answers
Just looking at 45 and 70, we know immediately that they're both multiples of 5 .
So let's divide top and bottom by 5 :
45/70 = 9/14 .
That's simpler.
Now, do 9 and 14 have any common factors ? No ? Good.
That means that 9/14 is the simplest form of 45/70.
You didn't have to know what it is. You just had to know how to find it.