Please help me with this

Mathematics

1 answer:

Andre45 [30]3 years ago

8 0

Answer:

Step-by-step explanation:

Divide one sample of jumping jacks by each girl by their time to find the unit rate. Then compare unit rates. Recall, a unit rate is the number of jumping jacks done in one minute. Cortney does 15 jumping jacks in 1 minute in the first entry of the table. Mallory does 60 jumping jacks in 5 minutes according to a point on the graph. Divide 60/5=12. She does 12 jumping jacks per minute. Thus Cortney does 3 more per minute.

You might be interested in

Why do you flip the inequality sign when dividing by a negative number?

ohaa [14]

Assume x is 100.

-x<1
-100 is smaller than 1.

Dividing by -1,
x>-1
100 is greater than -1
If the inequality is not changed,
100<-1
100 is less than -1 which is not true

4 0

4 years ago

Find |4 + 3i| Please show all your work. . . . . "i" is imaginary number

disa [49]

The answer is 5 |4+3i|=5

5 0

4 years ago

Read 2 more answers

How do I factor x^2+4x+20

icang [17]

Its like x² + 4x +20 = 0,
x = [-4 + √[(4²) - (4*1*20)]]/(2*1) = [-4 + √(16-80)]/2 = [-4 + √(-64)]/2 = [-4 + 8√(-1)]/2 = -2 + 4i,
x = [-4 - √[(4²) - (4*1*20)]]/(2*1) = [-4 - √(16-80)]/2 = [-4 - √(-64)]/2 = [-4 - 8√(-1)]/2 = -2 - 4i,
here i = √(-1), its a complex number.
so solution is a complex number,
x = -2 - 4i & -2 + 4i.

8 0

3 years ago

Instructions: simplify. (1/125)^x-1=3125^x

Ksivusya [100]

Answer:

Step-by-step explanation: