The scientific notation of this number would be 81500000e-1
La pendiente de la recta que pasa por los puntos (2,3) y (-2,-4) es 7/4.
(2,3) (-2,-4)
x₁ y₁ x₂ y₂
y₂ - y₁ -4 -3 -7 7
----------- = --------- = ----------- = ------
x₂ - x₁ -2 - 2 -4 4
↑
↑
la fórmula de el pendiente
Answer:
B. $4.99/pound
Step-by-step explanation:
This is a fraction equal to
24.95 cost ÷ 5 pounds
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 5
<u>24.95 cost÷ 5</u>
5 pounds÷ 5
=4.99 cost/ 1 pound
= 4.99 cost per pound
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Answer:
Step-by-step explanation:
For a proportional relationship, we have
y ∞ x.
Let k = constant of proportionality = 7/25
Removing the proportionality sign, we have
y = kx
Therefore,
Instead of
So, the error is that x should be multiplied by 7/25 and not added.
Answer:
=4
Step-by-step explanation: