A forest fire has been burning for several days. The burned area, in acres, is given
the equation y = (4, 800) • 2d, where d is the number of days since the area of the
fire was first measured.
Complete the following table:
Answers
Answer:
you gotta show a picture of the table in order for us to know what's missing from it
When d = -1, the value of y is 300 acres means that the area burned in the fire was 300 acres. When d = -3, the value of y is 1.17 acres means that the area burned in the fire was only 1.17 acres three days
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
we can use the given equation y = (4,800)2^d and substitute the values of d in the table to get the complete table.
Now the equation y = (4,800)2d for d when y = 4,800 and then subtract 7 from that value.
(4,800)2d = 4,800
2d = 1
d = 0.5
The fire had burned for 12 hours, before it measured 4,800 acres.
To determine the area the fire had burned a7 days before this measurement, we will then substitute d = -6.5 into the equation:
y = (4,800)2(-6.5) ≈ 0.00025 acres
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Related Questions
Find the minimum distance between the point (-5,1) and the line x = -2
Answers
Answer:
3
Step-by-step explanation:
The minimum distance would be when there would be a horizontal line connecting the point (-5,1) with the line x=-2. So there would be a line from (-5,1) to (-2,1) which would be a straight line of 3 since -2 +5 = 3.
A bag contains 6 white marbles and 4 black
marbles. A marble is drawn from the bag
and then a second marble is drawn without
replacing the first one.
What is the probability of drawing a white
marble on the first draw, followed by a black
marble on the second?
Answers
Answer:
4/15
Step-by-step explanation:
P(drawing white marble and black marble)
= 6/10 × 4/9 [9 as there is no replacement]
= 4/15
Which expression is equivalent to 8(3t)?
Answers
Answer:
24t
Step-by-step explanation:
Multiply 8 by 3t
Since 8 is outside of the bracket, while 3t is inside the bracket
8 * 3t
= 24t
PLS RESPOND FAST!! WILL GIVE BRAINLIEST! How is the process of isolating a variable in these literal equations similar to solving a one-step equation? How is it different?
Answers
Step-by-step explanation:
The goal is to isolate that given variable. The process is the same process that you use to solve linear equations; the only difference is that you will be working with a lot more letters, you also prob will not be able to simplfy as much as linear equations
Answer:
it is more than one step so it takes longer to solve
Step-by-step explanation:
the process of isolating a variable in these literal equations is similar to solving a one-step equation because after isolating a variable you solve the rest of the equation,it is different from solving a one-step equation because it is more than one step so it takes longer to solve
A hotel builds an isosceles trapezoidal pool for children. it orders a tarp to cover the pool when not in use. what is the area of the tarp?
to find the height. first find that d is 60,45,or 120. this means the height of the trapezoid is approximately 2.5,4.3,or 3.5 feet. so the area of the tarp is approximately 47.3,30.0 or 38.5 square feet.
Answers
The area of the trapezoidal tarp in the hotel is 47.3 square inches
How to determine the area of the tarp?The area of a trapezoid is calculated using:
Area = 0.5 * (Sum of parallel sides) * Height
From the complete question, the parallel sides are:
10 ft and 12 ft
So, we have:
Area = 0.5 * (10 + 12) * h
Evaluate
Area = 11 * h
The height (h) is calculated using the following cosine function
cos(120 - 90) = h/5
This gives
cos(30) = h/5
Make h the subject
h = 5cos(30)
Evaluate
h = 4.3
So, we have:
Area = 11 * 4.3
Evaluate
Area = 47.3
Hence, the area of the trapezoid is 47.3 square inches
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Answer: To find the height, first find that <D is 120.
This means the height of the trapezoid is approximately 4.3 feet.
So, the area of the tarp is approximately 47.3 square feet.
Step-by-step explanation: correct on edmentum/plato
Which sum or difference is modeled by the algebra tiles?
Answers
Answer: I believe the answer is D.
Step-by-step explanation:
Question 1 (Essay Worth 10 points)
(4.01 MC)
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 8 inches.
Part A: Write a list of 6 ordered pairs to show the height of the candle in inches (y) as a function of time in hours (x) from the first hour after it started burning. For example, the point (0, 8) would represent a height of 8 inches after 0 hours. Explain how you obtained the ordered pairs. (5 points)
Part B: Is this relation a function? Justify your answer using the list of ordered pairs you created in Part A. (2 points)
Part C: If the rate at which the candle burned was 0.4 inches per hour instead of 0.5 inches per hour, would the relation be a function? Explain your answer using input and output values. (3 points)
Answers
The linear equations of the candles are y = 0.5x + 8 and y = 0.4x + 8. And both relationships are the function.
What is the linear system?A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.
A candle burns down at the rate of 0.5 inches per hour.
The original height of the candle was 8 inches.
Let y be the height of the candle and x be the number of hours.
Then the linear equation will be given as
[tex]\rm y = mx + c[/tex]
where m is the rate and c is the initial value. Then the linear equation of the candle will be
y = -0.5 x + 8
The function is a linear function.
If the value of m is replaced by 0.4. Then the linear equation will be
y = 0.4x + 8
And this will also be a linear function.
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in the circle, an arc length 8pi cm is intercepted by acentral angle of 2pi/3 radians. what is the radius of the circle
Answers
Answer:
radius = 12 cm
Step-by-step explanation:
al - Arc Length
[tex] \alpha \: - Central \: Angle ( in \: \: radians)[/tex]
r - Radius
[tex]al \: = 8\pi \: cm[/tex]
[tex] \alpha \: = \frac{2\pi}{3} [/tex]
[tex]al \: = \alpha \times r[/tex]
[tex]r \: = \frac{al}{ \alpha } [/tex]
[tex]r = \frac{8\pi}{( \frac{2\pi}{3} )} [/tex]
[tex]r = 12 \: cm[/tex]
show 2/5 65 and 3/8 on the number line below
Answers
Una caja de 12 litros de leche cuesta 232 si tiene agregado el 16 porciento de IVA
Answers
Answer:
269.12
Step-by-step explanation:
What are your guys favorite marsupials?
Answers
Answer:
koalas
Step - by - step explanation:
because they're so cute and cuddly
Cuánto es 5 entre 639 ayudaa
Answers
Is 4 and 1/8 greater or less than 4 and 1/4?
Answers
Answer:
Less than
Step-by-step explanation:
4 and 1/4 is basically equal to 4 and 2/8
Answer: less becuase 4 1/4 x 4=17 and 4 1/8 x 4=16.5
Step-by-step explanation:
please help me out with the graph. 1e
Answers
I suppose it's going to look like this, you just need to continue the graph for other figure numbers and numbers of circles
AYUDA LA NECESITO RAPIDO AHHHH
Answers
Answer:
y=7(3)= 21
y=7(8)= 56
y=7(10)= 70
Step-by-step explanation:
Answer:
X Y
3 21
8 56
10 70
Step-by-step explanation:
Find Y by plugging in each X value to the given function.
Encuentre Y reemplazando cada valor de X en la función dada.
When x = 3 : y = 7 * 3 = 21
Cuando x = 3 : y = 7 * 3 = 21
When x = 8 : y = 7 * 8 = 56
Cuando x = 8 : y = 7 * 8 = 56
When x = 10 : y = 7 * 10 = 70
Cuando x = 10 : y = 7 * 10 = 70
A washer and a dryer cost $819 combined. The washer costs $69 more than the dryer. What is the cost of the dryer?
a
si
х
?
Answers
Answer:
the dryer costs $450
step-by-step explanation:
w + d = 831
w = d-69 (they told us we will have to take $69 from the cost of the dryer to determine the cost of the washer)
(d-69) + d = 831
Let's combine like terms
2d - 69 = 831
add 69 to both sides to solve for d
2d = 900
divide both sides by 2 to solve for d
d = 450; the dryer costs $450
how do you say 4 twenty dollar bill
Answers
Answer:
4 twenty dollar bills = 20 x 4
= 120
Thus, the answer is 120 dollars.
Step-by-step explanation:
Lin solved a quadratic equation by factoring and found one solution to be x = 3/4. Which of the following expressions could have been one of her factors?
Answers
Answer: 4x-3
Step-by-step explanation: When subsituted, the equation should equal 0
ABCD is a rhombus.
y
The coordinates of A are (5, 11)
The equation of the diagonal DB is y = x + 5
The equation of the diagonal AC can be written
in the form y = mx + c where m and c are integers.
Work out the value of m and the value of c.
Answers
From the information given, it is correct to state that M = - 3; while c = 26. This problem relates to a Rhombus. See the definition of a Rhombus below.
What is a Rhombus?A Rhombus is a 2-dimensional quadrilateral whose sides have equal length.
What are the steps for finding M and C?It is given that ABCD is a Rhombus. This means that
AC ⊥ BD; andLine DB is y = (1/3)x + 5Hence, the slope of AC = -3.
This is arrived at as follows:
Given that the diagonals of Rhombus' are perpendicular, hence
I/3 x m = -1 ⇒ -3
⇒ Line y-11 = -3 (x-5)
⇒ Line AC thus ⇒ y = -3x + 26
How do we solve for c?
Recall that the coordinates are (5, 11). Thus let y = -3x + b
Hence, -3 x 5 + b = 11
b = 11 + 15
b = 26.
Therefore the equation is given as:
y = -3X + 26 were:
m = -3; and
c = 26
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HELP ME OUT HERE! PLS TELL ME HOW U GOT THE ANSWER TOO!
Answers
Answer: Choice C
[tex]\begin{array}{|c|c|} \cline{1-2}x & y\\\cline{1-2}0 & 1\\\cline{1-2}2 & 2\\\cline{1-2}4 & 3\\\cline{1-2}6 & 4\\\cline{1-2}\end{array}[/tex]
=========================================================
Explanation:
There are four marked points on the line.
Each point is of the form (x,y)
The first or left most point is (0,1) The second point is (2,2)The third is (4,3)The fourth is (6,4)Each of these points is then listed in the table format as shown above.
There are infinitely many other points on the line; however, we only select a few of them to make the table (or else we'd be here all day).
Extra side notes:
The slope of this line is m = 1/2 = 0.5The y intercept is 1 located at (0,1) The equation of this line is y = 0.5x+1Answer:
the anwser is c
Step-by-step explanation:
trust me
A squared garden has area 1764 m². Find its length and perimeter.
Answers
Answer:
We know that,
★ Area of Square = ( Side )² ★
Given:
Area of Squared garden is 1764 m².
To Find:
It's Length & Perimeter➛ Side = √1764
➛ Side = 42
Thus, Side of Squared garden is 42cm.We know,
★ Perimeter of Square = 4 × Side ★
Given:
Side is 42 cm.➛ Perimeter = 4 × 42
➛ Perimeter = 168
Thus, Perimeter of Squared garden is 168cm.You start at (8, 3). You move right 1 unit and down 3 units. Where do you end?
Answers
Answer:
(9,0)
Step-by-step explanation:
8 + 1 = 9
3 - 3 = 0
(9,0)
Round 69581.491337 to the nearest thousand
Answers
Answer:
hope this helps:)
Step-by-step explanation:
the thousands place is right before the first comma therefore it is in bold here:
69581.491337
since 5 is [tex]\geq[/tex] 5 you round 9 up to a 10
once you round, the numbers below it all turn into zeros.
giving the number to be 70,000
hope this helps:)
Answer: Heyaa!~
Your Answer Is... 70,000
Step-by-step explanation:
Hopefully this helps you!~
when you round the numbers below it all turn into zeros.please help me find the area of compound shapes?!?!
Answers
Answer:
Your answer will be 38cm...
An equation of a circle is x^2 - 8x + 16 +y^2 + 10y + 25 = 81
What is the radius of the circle?
What is the center of the circle?
Answers
Answer:
the radius: r = 9the center: (4, -5)Step-by-step explanation:
The equation of a circle:
(x - a)² + (y - b)² = r²(a, b) - the center of a circle
r - the radius of a circle
x² - 8x + 16 + y² + 10y + 25 = 81
(x² - 2(x)(4) + 4²) + (y² + 2(y)(5) + 5²) = 81
use: (a - b)² = a² - 2ab + b² and (a + b)² = a² - 2ab + b²
(x - 4)² + (y + 5)² = 9²
Therefore
the radius: r = 9
the center: (4, -5)
The radius is 9 and the center of the circle (4, -5)
What is the center of a circle?A circle's center is a point throughout the circle that is equally spaced from every other point on the circumference. The line of refraction symmetry is formed by all lines that traverse the circle. Additionally, every angle possesses rotational symmetry surrounding the centre.
The equation of a circle:
(x - a)² + (y - b)² = r²
The center of a circle will be (a, b)
The radius of a circle will be r
x² - 8x + 16 + y² + 10y + 25 = 81
Solving the above equation on the basis of the Equation of a circle.
(x² - 2(x)(4) + 4²) + (y² + 2(y)(5) + 5²) = 81
Using the identity in the above-given equation.
(a - b)² = a² - 2ab + b² and (a + b)² = a² - 2ab + b²
(x - 4)² + (y + 5)² = 9²
The center of the circle will be at coordinates 4 and 5. And the radius of the circle derived is 9.
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Bailey writes the expression g2 14g 40 to represent the area of a planned school garden in square feet. what factors can be used to find the dimensions of her garden? (g−4)(g−10) (g 4)(g 10) (g 4)(g−10) (g−4)(g 10)
Answers
The area of the planned school garden have dimensions of g + 4 and g + 10 respectively.
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Given the area of the planned school garden as:
A = g² + 14g + 40
A = g² + 10g + 4g + 40 = g(g + 10) + 4(g + 10)
A = (g + 4)(g + 10)
The area of the planned school garden have dimensions of g + 4 and g + 10 respectively.
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Jackson cut a pentagon out of poster board to make sign for his door. The perimeter of the sign is 30 inches and each side of the sign has the same length. What is the length of each side of the sign?
Answers
Answer:
6 inches
Step-by-step explanation:
If the perimeter of the whole pentagonal sign is 30 inches, each side must be 6 inches. Why? A pentagon has 5 sides, and each side is equivalent. 30/5=6.
Would appreciate if you marked my answer as brainliest, have a good day :)
If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:
[tex]\sf A) \; 5xy+9yz+3zx+5x–4y[/tex]
[tex]\sf B)\; 5xy+10yz+3zx+15x-4y[/tex]
[tex]\sf C) \; 5xy-9yz+3zx-5x-4y[/tex]
[tex]\sf D)\; 5xy+10yz+3zx+5x-6y[/tex]
Answers
Answer:
a) 5xy + 9yz + 3zx + 5x - 4y
Step-by-step explanation:
→ (7xy + 5yz - 3zx) + (4yz + 9zx - 4y) + (-3xz + 5x - 2xy)
→ (7xy - 2xy) + (5yz + 4yz) + (-3zx + 9zx - 3xz) + (5x) + (-4y)
→ 5xy + 9yz + 3zx + 5x - 4y
Hence, option (a) is the correct answer.
Answer:
[tex]\textsf{A)}\quad \sf 5xy+9yz+3zx+5x-4y[/tex]
Step-by-step explanation:
Given expression:
[tex]\sf (7xy+5yz-3zx)+(4yz+9zx-4y)+(-3xz+5x-2xy)[/tex]
Remove the parentheses:
[tex]\implies \sf 7xy+5yz-3zx+4yz+9zx-4y-3xz+5x-2xy[/tex]
Collect like terms:
[tex]\implies \sf 7xy-2xy+5yz+4yz+9zx-3zx-3xz+5x-4y[/tex]
Combine like terms:
[tex]\implies \sf (7-2)xy+(5+4)yz+(9-3-3)zx+5x-4y[/tex]
[tex]\implies \sf 5xy+9yz+3zx+5x-4y[/tex]
The exterior angle of a certain regular polygon is 60°. How many sides does the polygon have?.
Answers
Work Shown:
E = exterior angle = 60 degrees
n = number of sides of the regular polygon
n = 360/E
n = 360/60
n = 6
The regular polygon has 6 sides.
Math question please help
Answers
Answer:
Step-by-step explanation:
Remark
There are 6 faces on a cube.
Each face has an area of s^2
s = 5
One face is s^2
One face is 5^2 = 25 cm^2
6 faces are 6*25 cm^2
6 faces are 150 cm^2
Answer
150 cm^2
