Answer:
14
Step-by-step explanation:
19. Antonio needs to buy 150 pounds of dog food for the local
dog shelter. The graph shows the relationship between the
number of bags of dog food and the total weight of the do
food at Pets Galore. Another store, Healthy Pets, sells dog
food in 50-pound bags for $85.95 per bag. If one bag of
food from Pets Galore costs $48.15, how much would
Antonio save by buying 150 pounds of dog food from Pets
Galore instead of from Healthy Pets?
Antonio will save $113.4 after calculating using mensuration and buying from Pets Galore instead of Healthy pets.
As per the question statement, Antonio needs to buy 150 pounds of dog food for the local dog shelter. Healthy Pets, sells dog food in 50-pound bags for $85.95 per bag and Pets Galore sells one bag for $48.15
We are supposed to calculate the amount of money saved by Antonio if he buys 150 pounds of dog food from Pets Galore instead of from Healthy Pets.
Using concept of mensuration,
Quantity of dog food in one bag = 50 pounds
Quantity required of dog food = 150 pounds
Therefore number of bags required = 150/50 = 3
Price of dog food at Pets Galore per bag = $48.15
Total money to be paid to Pets Galore for 3 bags = $48.15*3 = $144.45
Total money to be paid to Healthy Pets for 3 bags = $85.95*3 = $275.85
Therefore money saved = $275.85 - $144.45 = $113.4
Mensuration: Act of measuring or measure. Here we are measuring the amount of money saved using this concept and applying simple mathematical formula.
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what is 1 and 3/4 + 7/8
6.2
2.
Graph the image of the figure using the transformation given.
LAST 3 PICS ARE THE OPTIONS
The image of the translation is shape WYX is shown by option 2.
What is defined as the translation about the x axis?The process of substituting the axes inside a Cartesian coordinate system with such a new set of axes parallel to the first, which is used to write equations for curves that are not centered about the origin.
Horizontal translation of a graph is equivalent to changing the base diagram left or right in the x-axis direction. A graph is horizontally translated k units by relocating each point just on graph k units horizontally.The principle for reflecting over X axis is to invalidate the value of each point's y-coordinate while keeping the x-value constant.As, from the rule of translation along x axis;
The coordinates of the x axis are not changed and y are changed.
Thus, for the given figure XWY the image after translation about the x axis is shown by the option 2 graph.
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PLEASE SHOW YOUR WORK AND PLEASE HELP ME ON THIS QUESTION THANK YOU.
Mrs. Steinberg had 3.23 pounds of ground beef to make 0.5 lb hamburgers. Which two expressions shows how to correctly solve for the number of hamburgers Mrs. Steinberg could make?
Step-by-step explanation:
number of hamburgers for x pounds of ground meat is
h(x) = x/0.5
x = 3.23
h(3.23) = 3.23/0.5 = 6.46
so, he could make 6 hamburgers and had some meat (0.23 pound) left.
PLEASE HELP! TRIG! THANKS!
The interpretation of the beam on the wall is that when the function is undefined, the light is not shining completely on the wall and and the function rate of changes are 55.236, 68.276, 110.473 and 289.221
How to interpret the beam on the wallThe given parameter is the graph of the beam
From the graph, we can see that the beam does not shine on all parts of the wall.
It shines on some part and doesn't on other parts
This means that the function is undefined
Hence, the interpretation of the beam on the wall is that when the function is undefined, the light is not shining completely on the wall
How to compute the function rate of changesTo do this, we use the following computations:
[d(0.1) - d(0)]/[0.1 - 0] = [5.5236 - 0]/[0.1 - 0] = 55.236
[d(0.2) - d(0.1)]/[0.2 - 0.1] = [12.3512 - 5.5236]/[0.2 - 0.1] = 68.276
[d(0.3) - d(0.2)]/[0.3 - 0.2] = [23.3985 - 12.3512]/[0.3 - 0.2] = 110.473
[d(0.4) - d(0.3)]/[0.4 - 0.3] = [52.3206 - 23.3985]/[0.4 - 0.3] = 289.221
Hence, the function rate of changes are 55.236, 68.276, 110.473 and 289.221
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I am still confused. Can someone help? I need to show work aswell
Answer:
1. 7/2
Hope this helps a little. :)
Which of the following is an example of a census?
a. Weigh every child at an elementary school for a study of physical fitness at the school.
b. Survey parents whose children attend a local elementary school by randomly selecting 50 parents from the school’s records.
c. The U.S. Population Census
d. Poll students at a college by including a pop-up window in the online registration form. Students have to answer the survey questions before they can register. Try to catch the remaining students at the admissions window when they register in person.
It should be noted that the example of a census is C. The U.S. Population Census.
What is census?It should be noted that census simply has to do with knowing the population of the people in a particular place.
Therefore, it should be noted that the example of a census is The U.S. Population Census. It should be noted that this information is important to get the number of people that are living in the United States.
This can also be divided into females and malee. Therefore, the correct option is C.
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will mark brainliest
Solve for x: 4(x + 2) = 3(x − 2)
−2
−4
−10
−14
Answer:
4x+8=3x-6
4x-3x=-6-8
x= -14 answer
hope you understand
Answer:
[tex]x=-14[/tex]
Step-by-step explanation:
Given coefficients: a = 4, b = x, c = 2
[tex]4\left(x+2\right)\\=4x+(4\cdot \:2)\\=4x+8\\3\left(x-2\right)\\=3x-(3\cdot \:2)\\=3x-6\\4x+8=3x-6\\4x+8-8=3x-6-8\\4x=3x-14\\4x-3x=3x-14-3x\\=-14[/tex]
√4x + 7 = 3 slove this please
Answer:
to solve for X, first remember that Y=mx+b
Step-by-step explanation:
1 Add 77 to both sides.
4x=3+7
4x=3+7
2 Simplify 3+73+7 to 1010.
4x=10
4x=10
3 Divide both sides by 44.
x={10}{4} x=10/4x = 4 10
4 Simplify 10/4
4
10
to \5/2
2
5
.
x= 5/2
x=
2
5
Done
Decimal Form: 2.5
2. Elisa bought 5 bracelets for a total of $25.95. If the bracelets were the same cost, about how much did each bracelet cost?
$5.19
$125.00
$4.00
$5.00
Answer: A. 5.19$
Step-by-step explanation: divide 25.95 by 5
Solve the equation, 1/3|x−8|=10. Select each correct answer. Responses x=−30 x equals negative 30 x=−22 x equals negative 22 x=103 x equals 10 over 3 x = 8 x, = 8 x = 30 x, = 30 x = 38
The solution to the equation is x = 38
What are expressions?Expressions are mathematical statements that are represented by variables, coefficients and operators
How to determine the solution to the equation?The equation is given as
1/3|x - 8| = 10
Multiply through by 3
So, we have
|x - 8| = 30
Remove the absolute bracket
So, we have
x - 8 = 30
Add 8 to both sides of the equation
So, we have
x = 38
Hence, the solution to the equation is x = 38
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When hiking down a mountain from her camp, Samantha discovered that the path she was on was 18 yards below the camp. Which value is the opposite of the distance that Sam hiked from her camp?
The value equal to the direct opposite of Samantha's hike from her camp = -18 yards.
What is defined as the inverse?The inverse operation is the inverse of another operation.Subtraction means to take away, and addition means to determine the sum. Subtraction is thus the inverse of addition.As per the given question;
Samantha descends a mountain from her camp.
Samantha discovered that she was 18 yards below the camp on the path she was on.
To locate the value that is the inverse of the distance Samantha hiked from her camp.
Samantha was 18 yards away from the camp.
Samantha hiked for 18 yards underneath the camp (in downwards )
Therefore;
Samantha hiked the opposite distance of 18 yards from the camp.
Samantha hiked for -18 yards.
Thus, the value equal to the inverse of the distance Samantha hiked from her tent = -18 yards
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Answer: 18
Step-by-step explanation:
Estimate the value of 50.75 x 0.18
Answer:
10
Step-by-step explanation:
50.75 = 50
0.18 = 0.2
50x 0.2 = 50/5
50/5 = 10
The distance between the points (-10, -7) and and (-8, 1) round to the nearest tenth is
The distance between two points A (-10, -7) and B(-8,1) will be equal to 8.2 units.
What do you mean by the distance between points ?
Distance between two points is the length of the line segment that connects the two locations in a plane.
It is given that the distance between points A (-10, -7) and B(-8,1) is to be calculated.
We can find out the distance by using the distance formula which is given by :
AB = [tex]\sqrt({x_{2} - x_{1})^2 + (y_{2}- y_{1})^2}[/tex]
AB = √ [( -8 -(-10)]^2 + [ 1 - (-7)]^2}
AB = √ (2² + 8²)
AB = √68
AB = 8.24 units
If we round off it to the nearest tenth then , hundredth place is less than 5 that meant 2 will be at the tenths place.
or
AB = 8.2 units.
Therefore , the distance between two points A (-10, -7) and B(-8,1) will be equal to 8.2 units.
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A chef says to cook a turkey for of an hour for every pound the turkey
weighs. How long should you cook a 19-pound turkey?
Answer:
you should cook it for 19 hours
Find three solutions for this linear function and choose the correct graph by clicking on it G(x) 3x - 2
The three solutions to the linear equation are (0, -2), (1, 1) and (2, 4)
What are linear equations?Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient
How to determine the three solution to the linear equation?The linear equation is given as
g(x) = 3x - 2
To determine the solution to the linear equation, we set the value of x to some values
say x = 0, 1 and 2
Substitute x = 0, 1 and 2 in g(x) = 3x - 2
g(0) = 3(0) - 2 = -2
g(1) = 3(1) - 2 = 1
g(2) = 3(2) - 2 = 4
Hence, the three solutions to the linear equation are (0, -2), (1, 1) and (2, 4)
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At age 18, someone sets up an IRA (individual retirement account) with an APR of 7%. At the end of each month he deposits
$60 in the account. How much will the IRA contain when he retires at age 65? Compare that amount to the total deposits made
over the time period.
After retirement the IRA will contain S
(Do not round until the final answer. Then round to the nearest cent as needed.)
The amount that would be in th IRA when he retires at age 65 is $21,932.15.
How much would be in the account?An annuity is a series of payment that is made over a period of time. In this question, the annuity is monthly which lasts for 47 years (65 - 18). An ordinary annuity is when the payments are made at the end of the period. An annuity due is when the payment is made at the beginning of the period.
The amount deposited increases by the amount you put in it every month and by the interest rate the account accrues. The account earns an APR, this means that interest would be compounded yearly.
Total amount of deposits = amount deposited monthly x number of months in a year x number of years
$60 x 12 x 47 = 33,840
The formula that can be used to determine the future value of the account in 47 years is:
Monthly deposit x annuity factor
Annuity factor = {[(1+r)^n] - 1} / r
Where:
r = interest rate = 7% / 12= 0.583%n = number of periods = 12 x 47 = 564$60 x [{(1.00583)^564 - 1} / 0.07] = $21,932.15
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2
For a given set of data, the standard score,
corresponding to the raw score, 1, is given by ze R
where is the mean of the set and o is the standard
deviation. If, for a set of scores, μ = 78 and o = 6.
which of the following is the raw score. x,
corresponding to z=2?
The raw score x, corresponding to z = 2 is calculated as; 90
How to find the raw score of statistics?
We are given;
Population Mean; μ = 78
Sample mean; x' = ?
Population standard deviation; σ = 6
z-score; z = 2
The formula for z-score is;
z = (x' - μ)/σ
Thus, making x' the sample mean the subject of the formula gives;
x' = zσ + μ
Plugging in the relevant values gives;
x' = (2 * 6) + 78
x' = 12 + 78
x' = 90
Thus, the raw score x, corresponding to z = 2 is 90
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The tank has 28inch diameter and 66 inch height what’s the surface area of the tank?
The surface area of the tank is 7038 square inches
The surface area can be calculated as follows
The diameter is 28 inch
radius= diameter/2
= 28/2
= 14
Height= 66 inch
The surface area can be calculated as follows
2πrh + 2πr²
= 2(3.142)(66) + 2(3.142)(14²)
= 5806+2(616)
= 5806+1232
= 7038 square inches
Hence the surface area of the tank is 7038 square inches
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Simplify y to the negative seventh power over x to the negative third power.
x3y7
1 over quantity x times y to the fourth power end quantity
x cubed over y to the seventh power
(xy)−10
Simplifying the expression y to the negative seventh power over x to the negative third power using law of exponents gives; x³y⁷
How to use laws of exponents?Some of the Laws of Exponents are;
When multiplying similar bases, retain the base as same and add the exponents. When raising a base with a power raised to another one, retain the base the same and multiply the exponents. When dividing like bases, keep the base the same and subtract the denominator exponent from the numerator exponent.We want to simplify y to the negative seventh power over x to the negative third power. This is expressed as;
y⁷/x⁻³
Now, x⁻³ can also be expressed as 1/x³. Thus, our original equation is now; y⁷/(1/x³) = x³y⁷
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Find the expected value E(X) of the following data. Round your answer to one decimal place. x −5 −4 −3 −2 −1 P(X=x) 0.1 0.3 0.1 0.2 0.3
Based on the values in the table of values, the expected value of the data is -3.3
How to determine the expected value of the data?The dataset is given as
x −5 −4 −3 −2 −1
P(X=x) 0.1 0.3 0.1 0.2 0.3
The expected value of the dataset is calculated as
E(x) = ∑x * P(x)
Substitute the known values in the above equation
So, we have
E(x) = (-5 * 0.1) + (-4 * 0.3) + (-3 * 0.3) + (-2 * 0.2) +(-1 * 0.3)
Evaluate the products in the above equation
So, we have
E(x) = -0.5 - 1.2 - 0.9 - 0.4 - 0.3
Evaluate the difference in the above equation
So, we have
E(x) = -3.3
Hence, the expected value of the data is -3.3
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Can I get some help on this please? I attached the picture already.
Step-by-step explanation:
2 cups of sugar mix with 7 cups of water.
so, 2/2 = 1 cup of sugar mixes therefore with 7/2 = 3.5 cups of water.
and 5 cups of sugar (= 5×1 cups) mix with 5×3.5 = 17.5 cups of water.
not 21. not 28. it is 17.5 cups of water !
Between 9:00 am and 4:00 pm the temperature rose from 68° to 85°. What was the percent increase in temperature between 9:00 am and 4:00 pm?
what is 25% of 90 ..............
Answer: 22.5
Step-by-step explanation:
25% is [tex]\frac{1}{4}[/tex] of 100%
So, 90/4 = 22.5
Answer:
22.5
Step-by-step explanation:
10% of 90 is 9
Multiply that by 2 then you get 18.
Half of 10% will give you the remaining 5% which is 4.5
Then add 18 and 4.5 you 22.5
7 is greater than 21 times
7 is greater than 21 times by 147 (7x21).
Greater than denotes that a variable or number exceeds a specified upper limit. Conversely, greater than or equal to indicates that the value is greater than or equal to the specified limit. The greater-than symbol is denoted by the prefix >, while the greater-than or equal-to sign is denoted by the prefix.
The symbols greater than and less than signify a disparity between two values. ">" and "" are used to indicate greater than and less than, respectively. Find more mathematical symbols right here.
The number 2 is 5 more than the number -3. Detailed explanation: Any natural number, including zero and both positive and negative numbers, is an integer.
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A company started the year with no supplies. During the year they bought $200 worth of supplies on account and later paid $150 of this debt. If there were $40 worth of supplies left at the end of the year, what is the supplies expense for the period?
160?
Step-by-step explanation:
See picture. Sbhdhdjdjddjxhdhdhdh
19/22
How many solutions?
3x+8 = 9+ 3x
Infinitely many solutions
Reason:
Subtract 3x from both sides. They cancel out and go away. The x term is fully eliminated and we're left with the equation 8 = 9, which is a false statement. Therefore, the original equation is always false regardless of what you pick for x. This is why there aren't any solutions.
Visually you can graph y = 3x+8 and y = 3x+9. You'll get parallel lines that never intersect. We need the lines to intersect if we wanted a solution point. Parallel lines have the same slope, but different y intercepts.
Because the system has no solutions, we consider the system inconsistent.
s = t^4 − 4t^3 − 36t^2 + 25t
a)At what time does the particle have a velocity of 25 m/s? (Enter your answers as a comma-separated list.)
(b)
At what time is the acceleration 0? (Round your answer to two decimal places.)
When t=0 and t=6s is the time at which the particle have a velocity of 25 m/s and t=3s is the time when acceleration is 0.
What is Acceleration?a vehicle's capacity to gain speed within a short time
Given s = t^4 − 4t^3 − 36t^2 + 25t
v=d/dt(s)=4t^3-12t^2-72t+25
the particle have a velocity of 25 m/s
So 4t^3-12t^2-72t+25=25
=4t^3-12t^2-72t
=4t(t^2-3t-18)=0
t=0 and
t^2-3t-18=0
(t+3)(t-6)=0
So t=0, t=-3 and t=6
As time>=0, So t=0 and t=6.
Now we required to find acceleration,
Accelaration=d/dt(v)
=d/dt(4t^3-12t^2-72t+25)
=12t^2-12t-72
t=12±√144-4(12)(-72)/24
t=12±60/24
t=12+60/24=3 and 12-60/24=-2
So t=3s
Therefore t=0 and t=6s is the time at which the particle have a velocity of 25 m/s and t=3s is the time when acceleration is 0.
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What are the correct answers? 3 are correct
The words related to the mathematical operation of division are:
Separate.Cut.Quotient.Renumber.Which are the words related to divisions?
A division between two numbers tells us how many times the denominator can be fit into the numerator (the numerator is the number being divided by the denominator).
The "math word" used for divisions is "quotient"
The quotient between two numbers is equivalent to say the "outcome of the division between two numbers"
So that is one of the correct options.
Other correct option is "separate"
Like in the word problem example "3 friends separate evenly 9 candy between them". Here we have a division.
Similar, "cut" is also related to divisions.
The word problem "A piece of wire of 1 meter is cut into 3 pieces, how long is each one?"
Again, this is a division problem.
The last correct option is renumber, which is mostly a way of rewritting a number, but it uses divisions to do it.
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