A 28 ounce bottle is $0.01 per ounce cheaper than 8-ounce bottle of salad dressing.
What is termed as the unitary method?The unitary method is a process that determines the value of a single unit from value of multiple units, as well as the value of multiple units from value of a single unit. "It is a method in which we discover the value of a single unit by subtracting the value of multiple units as well as the value of multiple units by subtracting the value of a single unit."For the given question;
The 8-ounce bottle of salad dressing costs $1.76
This can be written as-
8-ounce bottle -----> $1.76.
For finding the price of one ounce divide both side by 8.
1-ounce bottle -----> $0.22
Now, for 28 ounce bottle.
28 ounce bottle costs $5.88.
28 ounce bottle-----> $5.88.
For finding the price of one ounce divide both side by 28.
1-ounce bottle -----> $0.21
Difference = 1-ounce for 28 bottle - 1-ounce for 8 bottle
Difference = $0.22 - $0.21
Difference = $0.01
Thus, 28 ounce bottle is $0.01 per ounce cheaper than 8-ounce bottle of salad dressing.
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Write an equation. Let X represent the number described in the exercise. Then solve the equation & find the number. Four subtracted from the product of 5 and a number is 51.Write an equation.
We have to write an equation from the word problem,
Four subtracted from the product of 5 and a number is 51
Let's break it down:
--- product of 5 and a number can be written as,
[tex]\begin{gathered} 5\times x \\ =5x \end{gathered}[/tex]--- four subtracted from "product of 5 and a number" can be written as,
[tex]5x-4[/tex]^^ All this is equal to 51, so we can write,
[tex]5x-4=51[/tex]To find the unknown number, we solve the above equation. The steps are shown below:
[tex]undefined[/tex]The graph depicts the growth in costs using a line segment. Use the midpoint formula to approximate the cost during the year 1987.The approximate cost during the year 1987 was $ ____.
Answer:
The approximate cost during the years 1987 was $7527
Explanation:
The midpoint formula is:
[tex]M(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})[/tex]For two given points.
In this case, we can see in the graph the points (1983, 5021) and (1991, 10033)
Then, using the midpoint formula:
[tex]M(\frac{1983+1991}{2},\frac{5021+10033}{2})=M(1987,7527)[/tex]Thus, the approximation for the year 1987 is $7527
−2 4/5×(−3 1/2)
I really need help.
Please help if you can!!!
Barnaby decided to count the number of ducks and geese flying south for the winter. Thefirst day he counted 175 ducks and 63 geese. What is the ratio of ducks to the total num-ber of birds flying overhead in simplest terms?
So, here we have that there are 175+63 = 238 birds in total.
We want to know the ratio of ducks to the total number of birds flying overhead. There are 175 ducks for a total of 238, so the ratio is:
175:238
Determine the solutions of the equation [x - 30 = 11. 1. Rewrite for two solutions: (x – 3) = 11, -(x - 3) = 11 Solve for x in each equation. What are the solutions to the equation? O x= -14, -8 O x= -14,8 O X=-8, 14 O x= 8,14
First solution
(x-3)=11
x=11+3
x=14Second solution
-(x-3)-11
multiply by -1 both sides
x-3=-11
x=-11+3
x=-8therefore
answer is
-8,14
Use the function below to find f(-2).
f(x) = 3x
A. -6
B. -9
O C.
O D.
996
610
9
Answer:
option d is the correct answer
.5t + .1 < 10t + .05
Answer: t> -4/95
Step-by-step explanation: times both sides by 10(just make the calculation easier, no need to do that)
5t+1<100t+5
-95t<4
t > -4/95
Michael has a twelve gallon gas tank. When he filled
his tank up, he pumped nine gallons of gas. What
fraction of his tank had been empty?
Answer:
3/4
Step-by-step explanation:
9/12 Divide the top and bottom by 3
3/4
!!PLEASE HELP!!
Stefan is baking taquitos for a school fundraiser. The recipe calls for 2 1/2 cups of beans and 3 1/4 cups of rice. What is the ratio between cups of beans and cups of rice?
The ratio between cups of beans and cups of rice is 10/13 . Option C
What is ratio?
A ratio can described as an ordered pair of numbers, like y and z, that is written mathematically in the form y / z where the denominator of the fraction is not equal to zero.
It is known to describe the number of times an element or number contains another number proportionally.
It is also seen as the comparison of two quantities, elements or numbers that has the same units and likewise, explains how much one of the elements or quantity is found in the another one.
This is done based on their sizes or magnitudes.
A proportion is a mathematical equation with two ratios set equivalent or equal to each other.
Given that;
Beans = 2 1/ 2 cups
Rice = 3 1/4 cups
Convert to mixed fractions;
Beans = 5/2
Rice = 13/4
Now, divide the cups of beans by that of rice;
= 5/ 2 ÷ 13/4
= 5/2 × 4/13
= 10/13
Hence, the ratio is 10/13
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2(q + 4) = 10
Solve for q
Answer:
q=1
Step-by-step explanation:
2(q+4)=10
q+4=5
q=1
:]
Answer:
3
Step-by-step explanation:
2 x 3 6 4 10
The total bill for dinner was $43.75 (including tax and a tip). paid a 22.9% tip, what was his bill before adding the tip?
Answer:
$33.75
Step-by-step explanation:
22.9% of $43.75 = $10.0
43.75 - 10.0 = $33.75
Hope that helps
Answer:
$35.60
Step-by-step explanation:
I cross multiplied related numbers:
[tex]\frac{43.75}{x}[/tex]=[tex]\frac{122.9}{100}[/tex] cross multiply
4375=122.9x, divide both sides by 122.9
35.598=x round to hundredths
35.60
The amount of water a bag of salt can treat is known in cubic feet.
Given:
There is a rectangular prism shape water tank given with 23yd 15yd anf 4yd measurements
Required:
A) We need to find the volume of tank in cubic ft
B) 18.8 cubic ft need 1 salt bag then we need to find to total needed salt bag
C) $4.65 per bag then find total cost
Explanation:
first pf all we need to convert given measures in feet from yd
[tex]\begin{gathered} 1yd=3ft \\ 23yd=69ft \\ 15yd=45ft \\ 4yd=12ft \end{gathered}[/tex]A)
Volume
[tex]V=lwh=69*45*15=37260ft^3[/tex]B)
18.8 cubic ft need 1 bag
then
37260 cubic ft need x
[tex]x=\frac{37260}{18.8}=1981.9\approx1982\text{ bags}[/tex]C)
Cost for 1 bag is $4.65
then
cost for 1982 bags is y
[tex]y=1982*4.65=9216.3[/tex]Final answer:
A) volume of tank in cubic ft is 37260
B) 18.8 cubic ft need 1 salt bag then we need total 1982 needed salt bags
C) $4.65 per bag then total cost is $9216.3
The graph below shows the number of bushels of soybeans a farmer harvested from his field.NUMBER OF ACRES HARVESTEDwhich set of ordered pairs could have been used to make the graph?A. (3, 125), (4, 200), (5, 225)B. (50, 1), (200, 4), (300, 6)C. (100, 2), (250, 5), (350, 7)D. (2, 100), (3, 150), (5, 250)And don't worry this is just a practice :)
From the graph, we can see that the set of ordered pairs which belongs to the line are
D). (2, 100), (3, 150), (5, 250)
Because x-axis is the first coordinate and y-axis is the second coordinate. In options B and C, they are
arranged in the wrong place. In option A, point (3,125) doesn´t belong to the line.
At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed was 100 miles per hour (mph) and the standard deviation of the serve speeds was 15 mph. Assume that the statistician also gave us the information that the distribution of serve speeds was mound-shaped and symmetric. What percentage of the player's serves were between 115 mph and 145 mph?
A) approximately 16%
B) at most 34%
C) at most 2.5%
D) at most 13.5%
The percentage of players serves were between 115 mph and 145 mph is approximately 16%.
Given :
The statistician reported that the mean serve speed was 100 miles per hour
the standard deviation of the serve speeds was 15 mph
Assume that the statistician also gave us the information that the distribution of serve speeds was mound-shaped and symmetric
To find :
What percentage of the player's serves were between 115 mph and 145 mph?
Solution :
μ =100
σ = 15
P ( 115 < x <145)
= P ( [tex]\frac{115-100}{15}[/tex] < x-μ /6 <[tex]\frac{145-100}{15}[/tex] )
= P ( [tex]\frac{15}{15}[/tex] < z < [tex]\frac{15}{15}[/tex] )
= p ( 1<z<3)
= p( z<3)-p(z-1)
=0.9987-0.8413
=0.1574
p ( 115<xx<145)= 15.74 %
p( 115<x<145)= approximately 16%
The percentage of players serves were between 115 mph and 145 mph is approximately 16%.
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help meeeeeeeeeee pleaseeeeeeeeeeeeeeeeeee
Step-by-step explanation:
I just answered this. how often did you post this basic question ?
3. Using the diagram below, answer the following questions. Remember, you must
show your work for credit.
LA = 6y+42
ZC
ZD
A. Solve for y. (2 points)
ZA=
y=
I
B. Find the measure of angles A, C and D showing all work. (2 points)
ZC=
LB = 66
ZD =
Using vertical angles, it is found that:
A. The solution for y is of y = 4.
B. The angle measures are given as follows:
<A = 66º.<C = 114º.<D = 114º.Vertical AnglesIf two angles are opposite by the same vertex in crossing segments, these angles are called vertical angles, and they are congruent, that is, they have the same measure.
In the context of this problem, the angles of 6y + 42 and of 66 are vertical, hence the value of y is calculated as follows:
6y + 42 = 66
6y = 24
y = 24/6
y = 4.
Angles A and C are supplementary, meaning that the sum of their measures is of 180º, hence:
<C + 66º = 180º
<C = 180º - 66º
<C = 114º.
Angles C and D are vertical, hence the measure of angle D is calculated as follows:
<D = 114º.
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he table shows the gallons of water in a pool over time. A two column table with six rows. The first column, Time in minutes, has the entries, 0, 1, 2, 3, 4, 5. The second column, Water in Pool in gallons, has the entries, 50, 44, 38, 32, 26, 20. Choose the term that describes the slope of the line of a graph representing the data in the table. The slope of a line graphed to represent the volume of water in a pool over time would be described as .
The slope of the line to represent the volume of water in a pool over time would described as -10
From the given table we have to choose points to find the slope of the line
The domain is defined as the set of possible inputs of the function.
The range is defined as the set of all possible outputs of the function.
The slope of the line is the change in y coordinate with respect to the change in y coordinates
Slope of the line m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
Where m is the slope of the line
[tex](x_{1} ,y_{1} )[/tex] and [tex](x_{2} ,y_{2} )[/tex] are the coordinates of the two points
We have to choose two points
The two points (2,44) and (4,26)
m = [tex]\frac{26-46}{4-2}[/tex]
m = -20/2
m = -10
Hence, the slope of the line to represent the volume of water in a pool over time would described as -10
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Tobin's friend Rose claims that she can read minds. To test
Rose's abilities, Tobin draws 3 cards without replacement
from a standard deck of 52 playing cards. Tobin asks Rose
to identify each of the 3 cards she drew in order.
Assume that Rose has no special abilities and is randomly
guessing the cards.
What is the probability that Rose identifies all 3 cards in
the correct order?
The probability that rose identifies all 3 cards in the correct order is 1/132,600 by the concept of permutation.
What is permutation?It is the separate arrangements of a given number of associates taken all at once, or some of them, or just a few of them. There are two possible meanings, AB and BA, for instance, if we have the two elements A and B.
Following the arrangement of 'r' items from a total of 'n' elements, the number of permutations is,
nPr = n! / (n – r)!
Here to obtain the probability in correct order use permutation formula
Recall that, Probability is calculated as favorable outcomes divided by all possible outcomes.
Favorable number of outcomes = 1 (as only one order is correct)
Total outcomes = 52p3 (since 3 cards to be arranged from pack of 52)
So, the probability of rose identifies all 3 cards in correct order =1/52p3
Probability = [tex]\frac{1}{52!/(52-3)!}[/tex]
Probability = 49! /52!
Probability = 49! /52*51*50*49!
Probability = 1/52*51*50
Probability = 1/132,600
Therefore, the probability that rose identifies all 3 cards in the correct order is 1/132,600.
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this is the last one i need help with. please & thank you asap
Answer:
slope = 3/7
Step-by-step explanation:
Locations of points: (-4 , 1) and (3 , 4)
slope = rise / run
between two plotted points this means that:
slope = change in y / change in x
slope = (4 - 1) / (3 - (-4))
slope = (4 - 1) / (3 + 4)
slope = 3/7
Find the distance between the points P (3, 5) and Q (8,7).
Answer:
The distance between two points (x₁,y₁) and (x₂,y₂) on the coordinate plane is d=√((x₂-x₁)²+(y₂-y₁)²)
√(8 - 3)² + (7 - 5)² = √29 ≈ 5.3851648071345
)) Sonoma bikes 5 miles to Paige's house. On a map, 5 they measure that distance as 7 cm. The same map shows that the mall is 3 cm from Paige's house. What is the actual distance between Paige's house and the mall?
Find the scale factor by dividing the real length by the map length. Since Sonoma's house is 5 miles away from Paige's house but they appear 7cm appart in the map, then the scale factor is:
[tex]undefined[/tex]For the following, find f(2.1) and f(4).
Answer:
option A
Step-by-step explanation:
put x= 4 in condition 4<=x<8
as it satisfied condition
and put x= 2.1 in condition 2<x<4
Find the slope of the line passing through the pair of points or state that the slope is
undefined. Then indicate whether the line through the points rises, falls, is horizontal, or
is vertical.
(3,-5) and (-7,-5)
...
Select the correct choice below and, if necessary, fill in the answer box within your
choice.
Answer:
The slope is o. The line will be vertical and the equation of the line is y = -5
Step-by-step explanation:
A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total number of ears of corn, for the crop when it has matured. He decides to take a simple random sample of 10 corn plants. He labels the 100 plants 00–99. Refer to the given line from a random number table. Which numbers represent the sample of 10 corn plants?
58160 09695 38399 40400 32662 46254
58, 16, 00, 96, 95, 38, 39, 94, 04, 00
58, 16, 00, 96, 95, 38, 39, 94, 04, 32
58, 16, 96, 95, 38, 39, 94, 04, 32, 66
58, 16, 09, 69, 38, 39, 40, 32, 66, 46
Answer: Here the correct option is 2) 58, 16, 00, 96, 95, 38, 39, 94, 04, 32
Step-by-step explanation:
Complete sheet given
Answer:
good jb
Step-by-step explanation:
A map of a park has no scale. The distance between the campground and the entrance station on the map is 2 inches. The actual distance between them is 8 miles. On the map, the distance between the campground and the lake is 12 inch.
What is the actual distance in miles between the campground and the lake?
The distance between the lake and campground is 48 miles.
Given
The distance between the campground and the entrance is 2
The actual distance between them is 8 miles
Hence the scale is 2 for 8 miles
Also, Distance on the map between campground and lake is 12 inch.
Let us say actual distance is x
There fore we can form equation as
2x = 12x18
2x = 216
x=48
Hence the actual distance between campground and lake is 48 miles.
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3² +4² + 12² is equal to n² for some positive number n . Find n.
Answer:
n = 13
Step-by-step explanation:
For this, you need to square all of the numbers and then add them together. Most of the time, you can put them into a calculator but I will work it out below.
Squaring means multiplying a number by itself, so we get:
3² + 4² +12² =n²
Turns into:
(3*3) + (4*4) +(12*12) = n²
Then work out the multiplication:
9 + 16 + 144 = n²
Add everything together
169 = n²
Now take the square root of each side:
[tex]\sqrt{169} =\sqrt{n^{2}}[/tex]
This comes out to be:
± 13 = n
The question asks for the positive number, so you answer is:
n = 13
Multiply and combine like terms to degerming the product of these polynomials.
(2 n-3)(5 n+6)
Enter your results in the response box.
Answer:
7n-18
Step-by-step explanation:
The working out is attached. Hope it helps!
Homework 4: Trigonometry:Finding Sides and Angle** This is a 2-page document! **x=7.3Directions: Solve for x. Round to the nearest tenth.
Using trigonometric ratio. SOHCAHTOA
[tex]\begin{gathered} \cos 63^{\circ}=\frac{adjacent}{\text{hypotenus}} \\ \cos 63^{\circ}=\frac{x}{16} \\ x=16\cos 63^{\circ} \\ x=16\times0.45399049974 \\ x=7.26384799583 \\ x\approx7.3 \end{gathered}[/tex]