All categories

2 years ago

25 POINTS!!!!

2 answers:

7 0

78/26=3 so the population will double 3 times.
135,000 x 2 = 270,000
270,000 x 2 = 540,000
540,000 x 2 = 1,080,000
So by 78 years the population will become 1,080,000

seropon [69]2 years ago

3 0

Answer:

1,080,000

Step-by-step explanation:

==> First divide 78 by 26

==> answer = 3

==> 135,000×2 = 270,000

==> 270,000 × 2 = 540,000

==> 540,000 × 2 = 1,080,000

==> 1,080,000

You might be interested in

Let U = {1, 2, 3, 4, 5, 6, 7}, A= {1, 3, 4, 6}, and B= {3, 5, 6}. Find the set A’ U B’

Art [367]

Answer:

Step-by-step explanation:

A'={2,5,7}

B'={1,2,4,7}

A'UB'={1,2,4,5,7}

8 0

3 years ago

3) A construction company uses 900 bricks to

denis-greek [22]

Answer:$570

Step-by-step explanation:If it is 900 for 2 walls, and they need 6 walls, then multiply 900 by 3. They would use 2700 bricks for 6 walls. Multiply 2700 by 0.10 to get the price for all the bricks, 270 dollars. If labor to build each wall costs 50 dollars then multiply that by 6 and add it to the 270 dollars. It costs 570 dollars to build 6 walls

6 0

3 years ago

Sam opened a money-market account that pays 2% simple interest. He started the account with $7,000 and made no further deposits.

I am Lyosha [343]

I = prt
420 = 7000 x .02 x t
420 = 140 x t
420/140 = 140 x t /140
t = 3 years

8 0

3 years ago

A rectangular plot of farmland will be bounded on one side by a river and on the other three sides by a single-strand electric f

likoan [24]

Step-by-step explanation:

Let x be the length and y be the width of the rectangular plot.

The plot is bounded on one side by a river and on the other three sides by a single-strand electric fence. It means,

x+2y = 1500

x = 1500 - 2y ....(1)

We know that the area of a rectangular plot is given by :

A = xy ....(2)

Put the value of x from equation (1) in (2)

$A=(1500-2y)y\\\\A=1500y-2y^2$ .....(3)

For largest area, differentiate above area equation wrt y.

$\dfrac{dA}{dy}=\dfrac{d}{dy}(1500y-2y^2)\\\\=1500-4y\\\\\text{Put}\ \dfrac{dA}{dy}=0\\\\1500-4y=0\\\\y=\dfrac{1500}{4}\\\\=375$

Put the value of y in equation (1).

x = 1500-2(375)

= 750 m

Put the value of y in equation (3).

$A =1500(375)-2(375)^2\\A=281250\ m^2$

Hence, the largest area is 281250 m² and its dimensions are 750 m and 375 m.

3 0

3 years ago

Minus always used _____ a term

Llana [10]

To subtract? as minus means subract/take away?

3 0

3 years ago