3 years ago

Evaluate when x = -3 and y= -1: x-xy=

Mathematics

2 answers:

LenKa [72]3 years ago

5 0

-3-(-3)(-1)= 0, so 0 is the solution

otez555 [7]3 years ago

3 0

-3- -3 x -1
-3-3 = -6
Answer : -6 ?
Hopefully I helped :)

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If 1 inch is 500 miles, then 4 inches is how many miles?

tiny-mole [99]

Answer:

2,000 miles

Step-by-step explanation:

We are given:

$1 inch=500 miles$

This can be rewritten as:

$\frac{500 miles}{1inch}$

This is representative of a unit rate, as we have a $1$ in the denominator. To calculate the number of miles in $4$ inches, simply multiply the unit rate by $4$ :

$\frac{500 miles}{1inch}*4=$

$\frac{2000 miles}{4 inches}$

This can rewritten as:

$4inches=2000miles$

Therefore, there are 2,000 miles in 4 inches.

We can check our solution by simplifying the fraction $\frac{2000 miles}{4 inches}$ by dividing both $2000$ and $4$ by $4$ to see if we achieve the unit rate: