We have been given that during one period extreme cold, the average daily temperature decreased $1\frac{1}{2}$ degree F each day. We are asked to find number of days it will take for the temperature to decrease by 9 degree F.

First of all we will convert our mixed fraction into improper fraction.

$1\frac{1}{2}=\frac{3}{2}$

Now we will divide total temperature change (9) by average daily temperature change ( $\frac{3}{2}$ ) to find number of days.

$9\div\frac{3}{2}$

Dividing a number by a fraction is same as multiplying the number by reciprocal of the fraction.

$9\cdot\frac{2}{3}$

$3\cdot2=6$

Therefore, it will take 6 days for the temperature to decrease by 9 degree F.

7 0

3 years ago

What is the equation of a line that passes through the points (0,5) and (4,8)?

nikdorinn [45]

A linear function has the form y=mx+b
if you insert the point (0,5) in this you receive:
5=m*0+b
5=b
(remember b is the distance to the x axis at x=0, so you can read it directly of)

To get m you insert (4,8) and the previous b:
8=m*4+5
3=4m
3/4=m

your line is: y=3/4x+5

(also this question is a duplicate of #3469085 by you :) )

7 0

3 years ago

URGENT! Move all the right triangles into the box.

notka56 [123]

Answer: most likely the second and last

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Question from my math test.

Lerok [7]

50 cents per page printed

5 0

3 years ago