the water level in a leaky swimming pool fell by the same amount each day for 6 days. Over time the water level measure 4 inches lower. What was the change in the water each day

Answers

Answer 1

Answer:

Answer:

-4/6 of an inch per day (it is negative because the water level is decreasing

Step-by-step explanation:

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Jayla ran the first 3 miles of a 5-mile race in hour. What was her average rate, in miles per hour, for this first part of the race?.

Answers

Answer:

3 miles per hour

Step-by-step explanation:

We know

Jayla ran the first 3 miles of a 5-mile race in an hour.

What was her average rate, in miles per hour, for this first part of the race?

Average rate = Distance / Time

We take

3 ÷ 1 = 3 miles per hour

So, the answer is 3 miles per hour.

Faucet a can fill a water cooler 8 minutes. faucet b can fill the same cooler in 12 minutes. how long will it take both faucets together to fill the water cooler?

Answers

This is a work problem. We can use theories on ratios and proportion in order to solve this. We do as follows:

Faucet A = 8 minutes to fill
Faucet B = 12 minutes to fill

1/8 + 1/12 = 1/x

let x represent the time it takes for both to fill the cooler

x = 4.8 minutes for both to fill the cooler

Which is the value of this expression when m= and n=-5

Answers

Hello,

(6m^(-1)n^0)^(-3)=(6/m * 1)^(-3)= (m/6)^3
if m=3
(m/6)^3=(3/6)^3=(1/2)^3=1/8

Answer D

All of the following fractions are equivalent to 1/2 , except:A.2/4
B.5/10
C.4/7
D.3/6

Answers

C) 4/7 is not equal to 1/2

Answer:

I think that 4/7 is not equivalent to 1/2

Step-by-step explanation:

5. Which point lies on the line: y - 4 = -3(x + 2)?

Answers

Answer:

(- 2, 4 )

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y - 4 = - 3(x + 2) ← is in point- slope form

with (a, b ) = (- 2, 4 )

Multiplies to -0.72 and adds to 0.6

Answers

Multiplies to -0.72 = - 0.6 * (1.2).

Adds to 0.6 =

-0.6 + (1.2) = 1.2 - 0.6 = 0.6.

Hence the two numbers are -0.6 and 1.2.

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