2 years ago

How do you express three less than a number

Mathematics

1 answer:

Lynna [10]2 years ago

5 0

Answer:

x - 3

Step-by-step explanation:

let's call the unknown number x to express its value that's three less than actual number we say x - 3

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The slope of the graph of the equation y=2x-2 is 2. what is the y intercept?

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2 years ago

Find the distance between<br> (5 , 1 ) and ( 3 ,6)

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Answer:

Step-by-step explanation:

$\sqrt{(6-1)^{2}+(3-5)^{2} }$ = $\sqrt{29}$

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X over 15 = 10 over 20

den301095 [7]

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2 years ago

The daily demand for ice cream cones at a price of $1.20 per cone is 50 cones. At a price of $2.20 per cone, the demand is 30 co

Lapatulllka [165]

Answer:

<h2>The demand at a price of $1.50 per cone is 44 cones</h2>

Step-by-step explanation:

let us apply the interpolation formula to solve this problem

we have

$\frac{y-y1}{x-x1} =\frac{y2-y1}{x2-x1}$

Now let us set the values to the notation above

x= $1.20

x1= $2.20

x2= $1.50

y = 50 cones

y1= 30 cones

y2= ?

$y2= \frac{(y-y1)}{(x-x1)} (x2-x1)+y1$

Substituting our given data we have

$y2= \frac{(50-30)}{(1.2-2.2)} (1.5-2.2)+30\\\\y2= \frac{20}{-1} (-0.7)+30\\\\y2= (20*0.7)+30\\y2= 14+30\\y2= 44$

the demand at a price of $1.50 per cone is 44 cones

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2 years ago