If the population of an ant hill doubles every 20 days and there are currently 30 ants living in the hill, what will the population be after 60 days?
Answers
The number of ants after 60 days is 240.
What is an expression?
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
The population of ants doubles every 20 days.
Current number of ants = 30
Now,
The number of ants after 20 days.
= 30 x 2
= 60
The number of ants after 40 days.
= 60 x 2
= 120
The number of ants after 60 days.
= 120 x 2
= 240
Thus,
The number of ants is 240.
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again after 20 days, there will be 120 ants
and at last
after total of 60 days, ants will be 240 in number ! .....answer !
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Which statement is true regarding the graphed functions? A. f(4) = g(4)B. f(4) = g(-2)C. f(2) = g(-2)D. f(-2) = g(-2)
What does y equal?
1.4
0.5
2.8
0.6
Answers
Answer: 1.4
Step-by-step explanation: First, swap the sides of the equation so that the one with the variable can be in front.
So, its 2y=2.8
To solve this, you simply divide both sides of the equation by 2.
2 divided by 2 is 0. That leaves you with the y by itself. Then, 2.8 divided by 2 is 1.4
So, y=1.4
Answers
60 + 6 = 66
66 - 16= 50
50/12 = 4.16
Answers
Answers
(3, -4) and (-4, 4)
(x1, y1) and (x2, y2)
m = (4 - -4)/(-4 - 3)
m = (8)/(-7)
so your slope is -8/7
now, to find a line through the given points, the only piece of information you're missing is your y-intercept. you just have to pick one point and plug it into slope-intercept form: y = mx + b, then solve for b
(-4) = (-8/7)(3) + b
-4 = -24/7 + b
-4/7 = b
so plug all of it into y = mx + b:
y = (-8/7)x - 4/7
Answers
Answers
The length of the walkway along the diagonals is 112 feet.
What is Pythagoras Theorem?
Pythagoras theorem states that for a right angled triangle, the square of the hypotenuse is the sum of the squares of base and altitude.
Given that,
a rectangular plot of land is 100 feet long and 50 feet wide.
Length = 100 feet
Width = 50 feet
Length along the diagonal can be found using the Pythagoras Theorem.
Length and width of the rectangle can be taken as the legs and diagonal is taken as the hypotenuse.
Length of the diagonal = √(100² + 50²) = √12500 = 111.8 ≈ 112 feet
Hence the length of the walkway is 112 feet.
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Width - 50 feet
Acc to Pythagoras theorem
Diagonal = sqrt( Length^2 + Width^2)
= sqrt( 100^2 + 50^2)
= sqrt (10000 + 2500)
= sqrt(12500)
= 111.8
So diagonal is around 112 feet long.