Roy bought a 25 pound bag and a 10 pound bag of pet food how many pounds of pet food did he buy
Roy bought 35 pounds of pet food.
What is addition?Addition is one of the four basic operations of arithmetic, The addition of two whole numbers results in the total amount or sum of those values combined.
Addition is the process of finding the total, or sum, by combining two or more numbers.
An example of addition is: 5 + 11 + 3 = 19.
Given that, Roy bought a 25 pound bag and a 10 pound bag of pet food we need to find that how many pounds of pet food did he buy
Since, we are required to find what amount of pet food did Roy bought from the market, here we will simply add both the amounts to get the total amount.
Total food = 25 pound bag + 10 pound bag
= 35 pound bag
Hence, Roy bought 35 pounds of pet food.
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Which ordered pair is in the solution set of
Answer:
D. (-1, 3)
Step-by-step explanation:
Substitute the points for x and y, until you find the one that makes the equation true.
A. (-5, 3)
-3x + 4y < 20 <== substitute
-3(-5) + 4(3) < 20
15 + 12 < 20
27 < 20
This statement is false (27 is greater than 20, not less than)
B. (-3, 5)
-3x + 4y < 20
-3(-3) + 4(5) < 20
9 + 20 < 20
29 < 20
This statement is false (29 is greater than 20, not less than)
C. (1, 7)
-3x + 4y < 20
-3(1) + 4(7) < 20
-3 + 28 < 20
25 < 20
This statement is false (25 is greater than 20, not less than)
D. (-1, 3)
-3x + 4y < 20
-3(-1) + 4(3) < 20
3 + 12 < 20
15 < 20
This statement is true (15 is less than 20)
Therefore, the correct answer is D
Hope this helps!
Answer:
[D] (-1,3)
Step-by-step explanation:
To know which ordered pair is in the solution set of -3x+4y < 20 we first need to identify the x-value in the ordered pair and plug it into the equation. When simplify, on the condition the y-value you get is identical as the y-value in the ordered pair, then that ordered pair is a solution to the equation.
Now let's solve:
To find the solution of the equation is ordered pair substitute the value of x and y co-ordinate to check set of ordered pair is the solution of the given equation.
Given:
-3x + 4y < 20
[A] (-5,3)
-3(-5)+4(3)<20
The left side 27 is not less than the right side 20, which means the statement is false
-3x + 4y < 20
[B] (-3,5)
-3(-3)+4(5)<20
The left side 29 is not less than the right side 20, which means the statement is false
-3x + 4y < 20
[C] (1,7)
-3(1)+4(7)<20
The left side 25 is not less than the right side 20, which means that the given statement is false.
-3x + 4y < 20
[D] (-1,3)
-3(-1)+4(3)<20
The left side 15 is less than the right side 20, which means that the given statement is always true.
Hence, Answer is [D] (-1,3)
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Answer:
42.63mm²
Step-by-step explanation:
Base times height:
8.7 times 4.9 is 42.63mm².
So
Area:-
[tex]\\ \rm\rightarrowtail lw[/tex]
[tex]\\ \rm\rightarrowtail (8.7)(4.9)[/tex]
[tex]\\ \rm\rightarrowtail \dfrac{87}{10}\times \dfrac{49}{10}[/tex]
[tex]\\ \rm\rightarrowtail \dfrac{4963}{100}[/tex]
[tex]\\ \rm\rightarrowtail 49.63mm^2[/tex]
IXL Question: Radical Expressions
Answer:
Step-by-step explanation:
[tex]\sf \sqrt{x^{10}}=\sqrt{x^{2*5}}\\\\[/tex]
[tex]\sf = \sqrt{(x^{5})^{2}}\\\\ = \sqrt{x^{5}*x^{5}}\\\\ = x^{5}[/tex]
Find the axis of symmetry and the vertex of the graph of the function.
g(x) = 2x^2+12x+4
so hmmm from the equation we can see that is in "x terms" so the independent variable is "x", that tells us the parabola is a vertical one, leading term's coefficient is "2", that means it opens upwards like a bowl.
on a vertical parabola the axis of symmetry is the x-coordinate of its vertex, let's find the vertex of this one.
[tex]\textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{+12}x\stackrel{\stackrel{c}{\downarrow }}{+4} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{ 12}{2(2)}~~~~ ,~~~~ 4-\cfrac{ (12)^2}{4(2)}\right)\implies \left( -3~~,~~4-\cfrac{144}{8} \right) \\\\\\ (-3~~,~~4-18)\implies (\stackrel{x}{-3}~~,~~-14)~\hfill \stackrel{\textit{axis of symmetry}}{x=-3}[/tex]
An electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 22 feet up. The ladder makes an angle of 77^{\circ} ∘ with the ground. Find the length of the ladder. Round your answer to the nearest tenth of a foot if necessary.
Now
[tex]\\ \rm\Rrightarrow sin\theta=\dfrac{Perpendicular}{Hypotenuse}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{22}{H}=sin77[/tex]
[tex]\\ \rm\Rrightarrow H=22/sin77[/tex]
[tex]\\ \rm\Rrightarrow H=22.59ft\approx 23ft[/tex]
The length of the extension ladder that is against the outside wall of the house is 22.58 feet.
What is the length of the ladder?When the ladder lies against a house, a right triangle is formed. The length of the ladder is the hypotenuse. The distance from the base of the ladder to the house is the base. The lenfth off the house is the length.
To find the length of the ladder, Sin would be used:
Sin = opposite / hypotenuse
Sin 77 = 22 / h
h = 22 / 0.9743 = 22.58 feet
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You want to see how many pieces of candy you can eat per minute. You run a few tests and come up with the equation y=9x
that represents this. What is the unit rate that represents your eating speed?
What is the system of linear equations for the following graph? Please just list the two equations
The equation of the blue line is y = 7x - 8 and the equation of the red line is y = -2x + 2
How to write a linear equationEquations are written as a function of two or more variables with input and output.
The standard linear equation is given in the form y = mx + b
m is the slope
b is the y-intercept
For the red line, the y-intecept is 2
Using the coordinate point on the red line (0,2) and (1, 0)
Slope = -2/1
Slope = -2
Equation of the red line is y = -2x + 2
For the blue line, we will use the coordinate points (2, 6) and (1, -1)
m = -7/-1
m = 7
-1 = 7(1) + b
-1 - 7 = b
b = -8
Hence the equation of the blue line is y = 7x - 8
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At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 26 minutes and a standard deviation of 5 minutes. Using the empirical rule, what percentage of customers have to wait between 21 minutes and 31 minutes?
Answer: 95% of the customers have to wait.
Answer: 68%
Step-by-step explanation:
Part A
The graph of polygon FGHI has coordinates F(2. – 1), G(5,2), H(8, 3), and I(6, 0). Graph the image of FGHI
after a reflection across the line y = -1.
Part A
Graph the line of reflection
Part B
Graph FGHI and its reflection across the line y = -1
Reflecting the polygon FGHI across the line involves flipping the line across the line y = -1
How to reflect the polygon?The coordinates are given as:
F(2, – 1), G(5,2), H(8, 3), and I(6, 0)
The line of reflection is given as:
y = -1
To reflect the line, we apply the following rule of reflection
(x,y) [tex]\to[/tex] (x,-y-2)
So, we have the following coordinates of the image
F' = (2, – 1)
G' = (5,-4)
H' = (8, -5)
I' = (6, -2)
See attachment for the image of the reflected polygon
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If the half-life of carbon-14 is 5730 years, how old is a mummy having only 30% of the normal amount of carbon-14?
Answer:
17190 years.
Step-by-step explanation:
The half-life of carbon-14 is
5730 years.
Therefore, after1 half-life there is 50%=12 of the original amount left.2half-lives there is 25%=14of the original amount left.3 half-lives there is 12.5%=18 of the original amount left.
1−78=18
So, your answer would be the time it takes for carbon-14 to elapse 3 half-lives.
5730⋅3=17190
Hey, can someone help me out with this? I don't understand how to solve it.
Answer:
261.05
Step-by-step explanation:
A=½ bh
The base is 22.7
The height is 23
22.7×23=522.1
Since the shape is a triangle we divide it by 2!!
522.1÷2=261.05
The perimeter of the figure is 261.05. Hope you understand how to solve it now :))
a sphere has a volume of 2304pi mm^. find the diameter of the sphere
Answer:
My answer is The diameter is 24
A manufacturer makes a closed right cylindrical container whose base has radius 7 inches and whose height measures 14 inches. He also makes another cylindrical container whose base has radius 14 inches and whose height measures 7 inches. Which container requires more metal?
Answer:
The base is a triangle with a base length of 11 m and a corresponding height of 7 m. The height of the prism is 14 m. 12.
What is the value of y in the equation 5y - 3y + 1 = -4y + 13?
Answer:
y = 2
Step-by-step explanation:
5y - 3y + 1 = -4y + 13
We only have addition and subtraction so move the terms on the other side of the equal sign with changed sign. +1 will be -1 and -4y will be +4y
terms with y = terms without y
5y -3y +4y = 13 -1
6y = 12
y = 12/6
y = 2
The area of parallelogram is 104 square units and base length is 13. What is the height of the parallelogram?
Answer :
8 units⠀
Step-by-step explanation :
⠀
Here,
Area of the parallelogram is 104 sq. unitsBase length of the parallelogram is 13 units.⠀
We know that,
[tex]{\longrightarrow \qquad{ \mathfrak{ \pmb{Base \times Height = Area_{(Parallelogram)}}}}}[/tex]
⠀
Now, Substituting the values in the formula :
⠀
[tex]{\longrightarrow \qquad{ \sf{ {13 \times Height = 104}}}}[/tex]
⠀
[tex]{\longrightarrow \qquad{ \sf{ {Height = \dfrac{104}{13} }}}}
[/tex]
⠀
[tex]{\longrightarrow \qquad{ \pmb { \frak{Height \: \: {= 8}}}}}[/tex]
⠀
Therefore,
The Height of the parallelogram is 8 units.Question :-
The Area of Parallelogram is 104 units² . Its Base is 13 units . What is the Height of the Parallelogram ?Answer :-
Height of Parallelogram is 8 units .Explanation :-
As per the provided information in the given question, we have been given that the Area of Parallelogram is 104 units² . Its Base is given as 13 units . And, we have been asked to calculate the Height of the Parallelogram .
For calculating the Height , we will use the Formula :-
[tex] \bigstar \: \: \: \boxed{ \sf{ \: Area \: _{Parallelogram} \: = \: Base \: \times \: Height \: }} [/tex]
Therefore , by Substituting the given values in the above Formula :-
[tex] \dag \: \: \: \sf { Area \: _{Parallelogram} \: = \: Base \: \times \: Height } [/tex]
[tex] \longmapsto \: \: \: \sf { 104 \: = \: 13 \: \times \: Height } [/tex]
[tex] \longmapsto \: \: \: \sf { \dfrac {104}{13} \: = \: Height} [/tex]
[tex] \longmapsto \: \: \: \sf { 8 \: = \: Height} [/tex]
[tex] \longmapsto \: \: \: \textbf {\textsf {Height \: = \: 8 }} [/tex]
Hence :-
Height of Parallelogram = 8 units .[tex] \underline {\rule {204pt} {4pt}} [/tex]
Additional Information :-
[tex] \begin{gathered} \begin{gathered} \begin{gathered}\begin{gathered}\boxed{\begin{array}{c} \\ \underline{ { \textbf {\textsf \red{ \dag \: \: More \: Formulas \: \: \dag}}}} \\ \\ \\ \footnotesize \bigstar \: \bf{Area \: _{Square} = Side \times Side} \\ \\ \\ \footnotesize\bigstar \: \bf{Area \: _{Rectangle} = Lenght \times Breadth} \\ \\ \\ \footnotesize \bigstar \: \bf{Area \: _{Triangle} = \frac{1}{2} \times Base \times Height } \\ \\ \\ \footnotesize \bigstar \: \bf{Area \: _{Parallelogram} = Base \times Height} \\ \\ \\ \footnotesize \bigstar \: \bf{Area \: _{Trapezium} = \frac{1}{2} \times [ \: A + B \: ] \times Height } \\ \\ \\ \footnotesize \bigstar \: \bf {Area \: _{Rhombus} = \frac{1}{2} \times Diagonal \: 1 \times Diagonal \: 2}\end{array}}\end{gathered}\end{gathered} \end{gathered} \end{gathered} [/tex]
What are the x intercept
Answer:
The x-intercept is where a line crosses the x-axis, and the y-intercept is the point where the line crosses the y-axis.
Suppose ABCD is a parallelogram. If AB = 9x + 2, CD = 12x - 4, BC = x + 7, determine the length of AD.
Need help asap
======================================================
Explanation:
For any parallelogram, the opposite sides are parallel and are the same length.
AB = CD
9x+2 = 12x-4
2+4 = 12x-9x
6 = 3x
x = 6/3
x = 2
Which leads to
AB = 9x+2 = 9(2)+2 = 20CD = 12x-4 = 12(2)-4 = 20BC = x+7 = 2+7 = 9Side AD is opposite BC, so AD = BC = 9
what are the answers?
Answer:
Step-by-step explanation:
hello : 12=4x and x-3=0
Can someone please help me? This isn’t making sense to me.
Answer:
Answer is equation C
Step-by-step explanation:
They are converting Celsius temperature to Fahrenheit temperature.
F = 1.8C + 32
F = 1.8(0) + 32 = 32 Fahrenheit
F = 1.8(30) + 32 = 86 Fahrenheit
F = 1.8(100) + 32 = 212 Fahrenheit
Answer:
C) F = 1.8C + 32
Step-by-step explanation:
Hello! The easiest way to do this is to substitute the numbers from your table into your possible answer choices until you find numbers that make a true/correct statement.
For A:
F = 32C + 1.8 <== substitute any number for F and C from your table
32 = 32(0) + 1.8 <== multiply
32 = 0 + 1.8 <== add
32 = 1.8
This statement is false/incorrect
For B:
C = 1.8F + 32 <== substitute any number for F and C from your table
0 = 1.8(32) + 32 <== multiply
0 = 57.6 + 32
0 = 89.6
This statement is false/incorrect
For C:
F = 1.8C + 32 <== substitute any number for F and C from your table
32 = 1.8(0) + 32 <== multiply
32 = 0 + 32 <== add
32 = 32
This statement is true/correct
For D:
C = 32F + 1.8 <== substitute any number for F and C from your table
0 = 32(32) + 1.8 <== multiply
0 = 1024 + 1.8 <== add
0 = 1025.8
This statement is false/incorrect
As we can see, the only equation that makes a true statement is C.
Therefore, the correct answer is C.
Hope this helps!
i need help 9th grade math
Answer:
8x+7
Explanation:
f(x) = x + 3
g(x) = 7x + 4
==========
(f+g)(x)f(x) + g(x)x + 3 + 7x + 48x + 7Put values
x+3+7x+48x+7Done!
The volume of a sphere is 2,000π m3. What is the surface area of the sphere to the nearest square meter?
Answer:
Volume of a sphere = 4/3 πr³
4/3 * 3.14 * r³ = 4000
4.19 * r³ = 4000
r³ = 4000 / 4.19
r = ∛1058
r = 10.19
Now, surface area = 4πr² = 4 * 3.14 * (10.19)²
S.A. = 12.56 * 104
S.A. = 1307
In short, Your Answer would be Option D) 1307 m²
Hope this helps!
Step-by-step explanation:
At school, Akihiro draws a model of the flag of Japan in the coordinate plane.
What is the perimeter of the flag Akihiro draws?
The perimeter of the flag Akihiro draws is the sum of the flag's side lengths
The perimeter of the flag Akihiro draws is 20 units
How to determine the perimeter of the flag?From the coordinate plane, the side lengths of the flag are:
6 units, 4 units, 6 units and 4 units
Add up the side lengths, to determine the perimeter (P)
P = 6 units + 4 units + 6 units + 4 units
Evaluate the sum
P = 20 units
Hence, the perimeter of the flag Akihiro draws is 20 units
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Answer:
20 units
Step-by-step explanation:
utilize graphing to find the solution to the following system of equations.
The system of equations has two distinct equations
The solution to the system of equations is (-2,-1)
How to determine the solution?The system of equation is given as:
y = 2x + 3
And
y = 3x + 5
Start by plotting the graphs of the equations
From the graph (see attachment), we have:
(x,y) = (-2,-1)
Hence, the solution to the system of equations is (-2,-1)
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triangle BCD is similar to triangle ACE if these triangles are isosceles what is the length of AB?
Answer:
40
Step-by-step explanation:
As it is stated, the triangles are similar to find the length of AB we can use the proportion of sides'
Let x represent the missing length
BD/AE = CD/CE
(2.76)/22 = 5/x cross multiply expressions:
x(2.75) = 110 divide both sides by 2.75
x = 40
ANSWER PLS! Dont just respond for the points pls
Answer:
18
Step-by-step explanation:
Intersecting Secant-Tangent Theorem
The square of the tangent is equal to the product of the external secant segment and the secant.
Given:
tangent = AE = 12external secant segment = EC = 8secant = ED = 18 + xAE² = EC · ED
⇒ 12² = 8(18 + x)
⇒ 144 = 144 + 8x
⇒ 0 = 8x
⇒ x = 0
ED = 18 + x
= 18 + 0
= 18
Pls just help out 14 points plssssss
Answer:
Volume = 1/3 ft^3
Step-by-step explanation:
volume of prism is multiplying the dimensions
Volume = (1/3 ft)x(2/3ft)x(1 1/2ft)
Volume = (1/3 ft)x(2/3ft)x( 3/2ft)
Volume = (1x2x3)/(3x3x2) ft^3 = 6/18 ft^3 = 1/3 ft^3
Option B is correct, the volume of the right rectangular prism is 1/3 cubic feet.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
The given figure is a right rectangular prism.
The length is [tex]1\frac{1}{2}[/tex] feet
The width is 2/3 feet
The height is 1/3 feet.
Volume=Length×width×Height
= [tex]1\frac{1}{2}[/tex] ×2/3×1/3
=3/2×2/3×1/3
=1/3 cubic feet
Hence, Option B is correct, the volume of the right rectangular prism is 1/3 cubic feet.
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Please help me with this please and thank you
Answer:
f(x) = 2(1/3)^x
Step-by-step explanation:
To find the parameters of this exponential equation, follow the instructions given in the hint.
__
b = 6/18 = 1/3 . . . . . divide 6 by 18 to find 'b'
18 = a(1/3)^-2 . . . . . substitute a point and 'b' in the equation
18(1/3)^2 = a = 2 . . . . multiply by (1/3)^2
The equation is ...
f(x) = ab^x
f(x) = 2(1/3)^x
if the volume of cubical box is 1728^3 . find the total surface area of the box.
Answer:
864 cm²
Step-by-step explanation: Volume of cube Side^3
Side of Cube= (1728)^1/3 = 12cm Total surface area = 6 x Side^2= 6 x 144 = 864 cm²
find the equation of a straight line which is parallel to the line with equation 5x+7y=14 and passes through a point (-2,-3)
Answer:
[tex]7y=-5x-11[/tex]
Step-by-step explanation:
Since it says the lines are parallel both of their gradients will be same.
so gradient of line 1 = [tex]y=\frac{14-5x}{7}[/tex] = [tex]y=\frac{14}{7}-\frac{5x}{7}[/tex]= [tex]-\frac{5}{7}[/tex]
so equation of line 2 = [tex]y-y_{1}=m(x-x_{1} )[/tex]
= [tex]y-(-3)_{}=\frac{-5}{7} (x-(-2)_{} )[/tex]
= [tex]y +3=-\frac{5}{7}x+\frac{10}{7}[/tex]
= [tex]y =-\frac{5x+10}{7}-3[/tex]
= [tex]7y=-5x-11[/tex]
Step-by-step explanation:
basically a line equation typically looks like
y = ax + b
with a being the slope, and b bent the y-intercept (y value when x = 0).
5x + 7y = 14
7y = -5x + 14
y = -5/7 x + 14/7 = -5/7 x + 2
so, wie know the slope of the original line : -5/7 .
any line parallel to it must have the same slope.
our desired line looks like
y = -5/7 x + b
to get b we use the provided point (-2, -3).
-3 = -5/7 × -2 + b = 10/7 + b
-21/7 = 10/7 + b
-31/7 = b
and the full equation is
y = -5/7 x - 31/7
7y = -5x - 31
5x + 7y = -31