On a particular day, the wind added 2 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 2 miles per hour from her rate on her return trip. Jaime found that in the same amount of time she could row 44 miles with the wind, she could go only 36 miles against the wind.What is her normal rowing speed with no wind?

Answers

Answer 1
Answer:

Answer:20

Step-by-step explanation:

Given Wind speed is 2 mile/hr

Let jamie speed be x km/hr

Also she covered 44 miles with wind in time t

44=\left ( x+2\right )t

Against the wind

36=\left ( x-2\right )t

divide the two equations

(44)/(36)=(x+2)/(x-2)

11x-22=9x+18

x=20 miles/hr

Answer 2
Answer: It is 40 because it gives you the even rate inbetween each of them

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Marking as Brainiest!!!!!

Answers

Answer:

Step-by-step explanation:

csafasvasv

Which expression is eqivalent to (x^2-3x)(4x^2+2x-9)

Answers

For this case we must find an expression equivalent to:

(x ^ 2-3x) (4x ^ 2 + 2x-9) =

We apply distributive property, term by term, taking into account that:- * + = -\n- * - = +\nx ^ 2 * 4x ^ 2 + x ^ 2 * 2x-x ^ 2 * 9-3x * 4x ^ 2-3x * 2x + 3x * 9 =

By definition we have to, to multiply powers of the same base, the same base is placed and the exponents are added:

4x ^ 4 + 2x ^ 3-9x ^ 2-12x ^ 3-6x ^ 2 + 27x =

We add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

4x ^ 4-10x ^ 3-15x ^ 2 + 27x

Answer:

An equivalent expression is: 4x ^ 4-10x ^ 3-15x ^ 2 + 27x

Which expression represents the completely factored form of 2x3 + x2 - 8x - 4?a (x2 - 4)(2x + 1)
6 (x - 2)2(2x - 1)
0 (x - 2)(x + 2)(2x - 1)
d (x-2)(x + 2)(2x + 1)

Answers

The answer is the letter D

Answer:

D

Step-by-step explanation:

D is also equivalent

Write 2 litres 700 ml to the nearest litre

Answers

the nearest litre should be 3

What fraction of a £1 is eighty pence

Answers

I think it would 80/100 because £1 is 100 and we trying to work out the fraction of 80p of £1. So it would be 80/100. Hope this helps.
4/5 
put it this way
80/100
half it= 40/50
then simplify it= 4/5
easy!

Population of a city is 36000 in 2005 by 2010 it has grown to 43800. If the city has grown linearly since 2005 and grows at the same rate what will the population be in 2015

Answers

The population of the city in the year 2015 will be 51,600.

What is the rate of change?

The rate of change is the speed at which variable changes over a specific period of time.

The population of the city in the year 2005 = 36,000

The population of the city in the year 2010  = 43,800

The change in population in 5 years is given by;

= Population in the year 2010 - Population in the year 2005

= 43,800  - 36,000

= 7800

The change in population in 5 years = 7800

Let us assume the number population in the year 2015 = x

Here, according to the question:

Since the change of rate is a linear growth since 2005.

The change in population every 5 years  = 7800

The change in population in the next 5 years is;

Rate of change = Population in year 2015 - Population in the year 2010

7800 = x - 43,800

x = 7800 + 43800

x = 51,600

Hence, the population of the city in the year 2015 will be 51,600.

Learn more about the rate of change here;

brainly.com/question/1296474

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36000 : 2005 = 43800 : 2010
Every five years it increases by 7800, so by 2015 it will be
43800 + 7800
= 51600