3 years ago

The winning time for a race are shown in the table.

Mathematics

1 answer:

dangina [55]3 years ago

4 0

Answer:

The winning time increased by an average of 0.4 second per year from year 2 to year 4.

Step-by-step explanation:

I just took the quiz

You might be interested in

A random survey of the quality of city parks is taken. Sixty-five percent of the people surveyed were pleased with the condition

Georgia [21]

Answer:

DWWDDWDWDAWDWDAWD

Step-by-step explanation:

WDWDAWDDAWD AWDDAWD

3 0

3 years ago

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probabi

AlekseyPX

Answer:

$80

Step-by-step explanation:

400÷50= 80 which is the weekly rate of wages

7 0

3 years ago

Read 2 more answers

The normal amount of of rainfall for July in Apple Valley is 11/24 feet. So far this July, only 3/10 of normal among has fallen.

worty [1.4K]

11/24 x 3/10 = 11/8 x 1/10 = 11/80 feet of rain has fallen on apple valley

7 0

3 years ago

7 less than a number k is 18

Elena-2011 [213]

Answer:

$k-7=18$ ; k=25

Step-by-step explanation:

$k(-7+7)=18+7\\18+7=25\\k=25$

7 less than 25 (or K) is 18.

4 0

3 years ago

Read 2 more answers

A grandmother says her grandson is two years older years older than her ganddaughter and that together , they are at least 12 ye

suter [353]

let x represent granddaughter and x +2 for grandson and together they = 12
so then we have the equation of x+2+x = 12
combine like terms 2x +2 =12
-2 from both sides to isolate x
2x=10 divide both sides by 2 to get x by itself
so we get x = 5 then add 2 +5=7
so grandson is 7 and granddaughter is 5

5 0

4 years ago