Answers
Answer:
[tex]D) 0.5x^3y + 4x^2 y^2 - 2xy^3[/tex]
Step-by-step explanation:
Set up an equation to model the situation,
[tex](-0.5xy)(x^2 + 8xy - 4y^2)[/tex]
Distribute, multiply each term in the parenthesis with the term outside of the parenthesis. Don't forget the laws of exponents, when one multiplies two exponents, with the same base, then one adds the two exponents. A number with no exponential term is two the first degree meaning that it is to the power of one.
[tex]-0.5x^3 y - 4x^2 y^2 + 2xy^3[/tex]
Related Questions
Ron is x years old. His brother, Ray, is y years older than him. How old was Ray when Ron was first born?
Answers
Answer:
Ray was y years old when Ron was born
Step-by-step explanation:
Hey there!
The correct answer is y years old.
If he is y years older, that means that when Ron was 0, or when he was just born, Ray was y years older.
Have a terrificly amazing day! :D
Please Help!! Brainliest Answer! Thank you!
Answers
Answer:
D. 157.5
Step-by-step explanation:
Formual for sum of interior angles
(n-2)*180
so 14*180=2520
but that is the sum
divide that by 16 (2520/16) = 157.5
what is the axis of symmetry of the graph of the function f(x)=3x^2+12x-4
Answers
Answer:
Step-by-step explanation:
Use the equation x = -b/2a => x = -12/6 = -2.
a=3, b=12
x=-12/(2)(3)
x=-2
Solve this equation 53y - 55 = 42y
Answers
11y=55
Y=55/11 =5
Find the measure of the indicated angle. Round to the nearest degree.
25
54
Answers
Answer:
62 degrees
Step-by-step explanation:
Cos ? = 25 / 54
25 / 54 = 0.4629
Cos-1 of 0.4629 is 62.4215
Round to the nearest degree
62.4215 = 62
???? Help please you get 40 points if u help
Answers
Answer:
B) P = 8x + 4
Step-by-step explanation:
Formula:
P= 2( l + w)
P = 2( x + 2 + 3x)
P = 2(4x + 2)
P = 8x + 4
Hop this helped
Can someone please check my answer?!
Answers
18. Given PQ | BR. Then find the measure of x
Answers
Answer:
∠x = 70°
Step-by-step explanation:
Given that PQ||BR
Line PQ and BR with transversal AC,
∠x + ∠ACR = 180° {Co-interior angles}
⇒∠x + 110° = 180° {From what I can see it looks like 110.}
⇒∠x = 180° - 110°
⇒∠x = 70°
Xander goes to the movies with his family. Each family member buys a ticket and two boxes of popcorn. There are five members of his family. Let t represent the cost of a ticket and p represent the cost of a box of popcorn. Explain how each expression describes the situation in a different way.
Answers
Answer:
t + 2p = cost of 1 family member
Step-by-step explanation:
Because there are 5 family members who buy 1 ticket and 2 boxes of popcorn, we must multiply the cost of one family member by five .
5(t + 2p) = total cost of the whole family.
We can distribute 5 and the above equation will become.
5t + 2(5)p ⇒ 5t + 10p = total cost of the whole family.
Hope that helps! :)
Answer:
Step-by-step explanation:
t + 2p = cost of 1 family member
since there are 5 family members who bought one ticket and 2 popcorn, we simply multiply the cost of 1 family member by 5.
5(t + 2p) = total cost of the whole family.
We can distribute 5 and the above equation will become.
5t + 2(5)p ⇒ 5t + 10p = total cost of the whole family.
find the total surface area of the following cuboids length=7cm,breadth=4cm,height=3cm please help me with this problem.help me guys
Answers
Answer:
122
Step-by-step explanation:
SA=2lw+2lh+2hw
SA = 2(7)(4) + 2(7)(3) + 2(3)(4)
SA = 122
EMERGENCY! NEED QUICK
if
Answers
Answer:
100 degrees
Step-by-step explanation:
hi again,
By the linear pair theorem, Angle B + Angle E will equal 180 degrees
Angle B + 128 = 180
Angle B = 52
By the triangle Sum Theorem, Angle A + Angle B + Angle C = 180
48 + 52 + Angle C = 180
100 + Angle C = 180
Angle C = 80
Like I said, by the linear pair theorem, Angle C + Angle F will equal 180 degrees
80 + Angle F = 180
Angle F = 100
A tip for great service is 20% of the bill. If the bill for dinner is $32, what is the total cost of dinner?
Answers
[Aforementioned Text Is Unavailable, Please Try Again Later]
URGENT DUE TOMORROW
Please show working out in an equation form if possible
Answers
a) We were told that relationship between the value of the car and its age is linear. This means that it can be represented with a linear equation such as
y = mx + c
y is the dependent variable and in this case, it is the value of the car, V
x is the independent variable and in this case, it is the age of the car, a
The above equation is the slope intercept form equation where
m represents slope
c represents y intercept
The formula for determining slope is expressed as:
m = (y2 - y1)/(x2 - x1)
We were told that a 5 year old car is worth 14000. This means that
When x1 = 5, y1 = 14000
Also, the same car is worth 11400 after 2 years. This means that the car is worth 11400 after 7 years. Thus,
when x2 = 7, y2 = 11400
Thus,
slope, m = (11400 - 14000)/(7 - 5) = - 2600/2
m = - 1300
We would find the y intercept, c by substituting m = - 1300, x = 5 and y = 14000 into the slope intercept equation. Thus,
14000 = - 1300 * 5 + c
14000 = - 6500 + c
c = 14000 + 6500
c = 20500
Thus, by substituting m = - 1300 and c = 20500 into the slope intercept equation, the linear equation representng this scenario is
y = - 1300x + 20500
By replacing with the given variables,
V = - 1300a + 20500
b) When the car was new, it means that a = 0. By substituting a = 0 into the equation, we have
V = - 1300 * 0 + 20500
V = 20500
The value of the car was $20500 when it was new
ITS AN ANGLE QUESTION PLS HELP
Answers
Answer:
The values of [tex]f[/tex] and [tex]g[/tex] are, respectively:
[tex]f = 6\,cm[/tex], [tex]g = 8\,cm[/tex]
Step-by-step explanation:
The area of the triangle ADE is:
[tex]A_{ADE} = 60\,cm^{2}-48\,cm^{2}[/tex]
[tex]A_{ADE} = 12\,cm^{2}[/tex]
The area of the triangle is defined by the following formula:
[tex]A_{ADE} = \frac{1}{2}\cdot AD\cdot DE[/tex] (1)
If we know that [tex]A_{ADE} = 12\,cm^{2}[/tex] and [tex]DE = 4\,cm[/tex], then the length of the line segment [tex]AD[/tex] is:
[tex]AD = \frac{2\cdot A_{ADE}}{DE}[/tex]
[tex]AD = 6\,cm[/tex]
And the area of the rectangle is:
[tex]A_{ABCD} = AD\cdot CD[/tex] (2)
If we know that [tex]A_{ABCD} = 48\,cm^{2}[/tex] and [tex]AD = 6\,cm[/tex], then the length of the line segment [tex]CD[/tex] is:
[tex]CD = \frac{A_{ABCD}}{AD}[/tex]
[tex]CD = 8\,cm[/tex]
Hence, the values of [tex]f[/tex] and [tex]g[/tex] are, respectively:
[tex]f = 6\,cm[/tex], [tex]g = 8\,cm[/tex]
Frances walks 15 km west, then turns 90 degrees north and walks 30 km.
Displacement = ?
Distance = ?
Answers
What is b PLSSSS ANSWER
WILL GIVE BRAINLIEST
Answers
Answer: -15 divided by 0.3 is the same as -15/3/10 but to solve we can do -15 times 10/3 witch is -150/3=-50
Step-by-step explanation:
Please help failing math. find the area of the figure.
Answers
Answer:
The area of the figure is 24 square units
Step-by-step explanation:
There are four identical triangles and a square in this figure
The area of the square is 16
The area of the triangles are 2
2 x 4 = 8
16 + 8 = 24
Answer:
24
Step-by-step explanation:
what is the answer to 6−2(3x−5)=−8
Answers
Answer:
x = 4
Step-by-step explanation:
So first we distribute:
6-6x+10=-8
Combine like terms:
16-6x=-8
Now subtract 16 to -8:
-6x=-24
Divide -6 to both sides:
x=4
Describe how the graph of y = 2x is the same and different from the graph y = 2x - 7 .
Explain or show your reasoning
Answers
.
Put f(x) = x2 + 3 in y2.
Answers
Answer:
(X2+3)2
Step-by-step explanation:
First, you have to substitute in what f(x) equals for y since f(x) stands for y.
By doing this, the equation turns into (x2+3)2, because x2+3 is y, and 2 because the original equation way y2.
After you substitute, the answer is (x2+3)2.
Cant seem to figure out the total surface area
Answers
Answer:
189
Equation for surface area is 2bs +b squared ( b is base and a is side)
Step-by-step explanation:
2bs+b squared
2 * 7 * 10=140
B squared = 7 squared which is 49
140 + 49=189.
Hope it helped.
*EXTRA POINTS* find the volume please :))
Answers
Answer:
904.32 ft^3
Step-by-step explanation:
Sphere Volume Formula: [tex]\frac{4}{3}[/tex][tex]\pi r^{3}[/tex]
Plug in the numbers:
[tex]\frac{4}{3}\pi 6^{3}[/tex]≅904.78
Help me with this :))))))
Answers
Answer:
CE = 21.2
Step-by-step explanation:
CE = CD + DE = 14 + 7.2 = 21.2
How wide is an 80" widescreen TV (MEASURED DIAGONALLY) if it has a height of 48”?
Answers
Answer:
64"
Step-by-step explanation:
Pythagoras theorem
√(80²-48²)
√4096
=64
Answer:
Width = 64"
Step-by-step explanation:
It forms a right angled triangle. We can use Pythagorean theorem to find the base of the triangle
Base² + altitude² = Hypotenuse²
base² + 48² = 80²
base² + 2304 = 6400
base² = 6400 - 2304
base² = 4096
base = √4096
base = 64
Width = 64"
???????......????...??..??…??..?.?.?..
Answers
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Work out the area of this semi circle Take pi to be 3.142 and write down all the digits given by your calculator
Answers
Answer:
628.4cm²
Step-by-step explanation:
Find the diagram attached
Area of the semi circle = πr²/2
r is the radius = 10cm
Area of the semi circle = π(10)²/2
Area of the semi circle = 3.142(100)/2
Area of the semi circle = 314.2×2cm²
Area of the semi circle =628.4cm²
Hence the area of the semicircle is 628.4cm²
A baker needs 15 lb of cream cheese that contains 20% fat to fill a big order. But his supplier delivers one cream cheese that contains 10% fat, and another that contains 35% fat. How many pounds of each should the baker combine to fill the order?
Answers
Answer:
6 2/3 lbs of each
Step-by-step explanation:
.10x + .35x = 15(.20)
.45x = 3
x = 3/4.5
x = 6.67
Answer:
Step-by-step explanation:
[.1x+.35(15-x)]/15=.2
.1x+5.25-.35x=3
-.25x+5.25=3
-.25x=-2.25
x=9
So he will use 9lbs of 10% and 6lbs of 35%.
Which square root is between 4 and 5?
O 10
O 14
O24
O 32
Answers
Answer:
√24 because it's lies on between of√16 and√25.
The only square root that falls between 4 and 5 is √24.
What is Number system?A number system is defined as a system of writing to express numbers.
We can estimate the value of each square root and see which one falls between 4 and 5:
The value of √10 is less than 4 because √10 is, 3.16
√14 is less than 4.5 because √14 value is 3.76
√24 is greater than 4.5 because √24 value is 4.89
√32 is greater than 5 because 5 x 5 = 25, and √32 is slightly smaller than 5.
Therefore, the only square root that falls between 4 and 5 is √24.
To learn more on Number system click:
brainly.com/question/22046046
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PLEASE HELP ILL GIVE BRAINLIEST
Sides that are in the same relative position are called?
Answers
Answer:
Transformation that changes the size of a figure, but not the shape.
Step-by-step explanation:
Solve graphically.
5x+7y=1 and x+4y=-5
Answers
Answer:
{x,y} = {3,-2}
Step-by-step explanation:
Then the intersection point is (3, -2). Then the solution of the equations will be (3, -2).
What is a linear equation?A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.
The linear equation is given as,
x/a + y/b = 1
Where 'a' is the x-intercept of the line and ‘b’ is the y-intercept of the line.
The equations are given below.
5x + 7y = 1
x + 4y = -5
Convert the equation into an intercept form. Then we have
From equation 1, then we have
5x + 7y = 1
x / (1/5) + y / (1/7) = 1
From equation 2, then we have
x + 4y = -5
x / (-5) + y / (-5/4) = 1
The lines are drawn below.
Then the intersection point is (3, -2). Then the solution of the equations will be (3, -2).
More about the linear equation link is given below.
https://brainly.com/question/11897796
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