Why do you start with the greater number when adding on a number line

1 answer:

Pie3 years ago

5 0

Because greater means best, and you have to start with the best!

Just kidding, the real answer is that it makes it more simple to count up on the number line. If you start with the higher number, you don't have to count up as many places because you count up whatever the value of the smaller number is

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On average, each cigarette a person smokes takes 8 minutes off that person's life span. If someone smokes 20 cigarette per day f

sashaice [31]

(8 min) x ( day/1,440 min) x (20 /day) x (365 da/yr) x (35 yr) =

(8 x 20 x 365 x 35) / (1,440) days =

(2,044,000) / (1,440) days =

1,419-4/9 days = 3.89 years

Rounded to the nearest year: <em>4 years</em>

At a pack a day for 35years, I would have expected more than
4 years' damage. But I've checked my math and haven't found
the mistake, so I'll let that be my answer.

4 0

3 years ago

Nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f (x)

Yakvenalex [24]

For this case we have the following functions:
f (x) = 36 + 4x
g (x) = x2 + 15
By matching both functions we have:
f (x) = g (x)
36 + 4x = x2 + 15
Rewriting we have:
x2 + 15 - 4x - 36 = 0
x2 - 4x - 21 = 0
Solving the polynomial we have:
(x-7) (x + 3) = 0
x = -3
x = 7
Taking the positive root we have:
x = 7
Answer:
They will have the same amount of money saved after:
x = 7 weeks

8 0

3 years ago

Read 2 more answers

If <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Ba%20%2B%20ib%7D%7Bc%20%2B%20id%7D%20" id="TexFormula1" title=" \frac{a + i

Simora [160]

Rewrite the given number as

$\dfrac{a+ib}{c+id}=\dfrac{(a+ib)(c-id)}{(c+id)(c-id)}=\dfrac{ac+bd+i(bc-ad)}{c^2+d^2}$