The unit rate for each situation is $5.00 for 1 pound, $8 for 1 pound, $65 for 1 pound, $2 for 1 pound, $18 for 1 pound, $108 for 1 pound
What is unit rate and how to compute it?
Unit rate is the rate for 1 unit and to compute the unit rate we divide the total price by the total number of elements
We are given certain price we have to find there unit rate
a) $45 for 9 pound
Divide both sides by 9 to find the unit rate
we get $5 for 1 pound
a) $24 for 3 pound
Divide both sides by 3 to find the unit rate
we get $8 for 1 pound
a) $390 for 6 pound
Divide both sides by 6 to find the unit rate
we get $65 for 1 pound
a) $42 for 21 pound
Divide both sides by 21 to find the unit rate
we get $2 for 1 pound
a) $180 for 10 pound
Divide both sides by 10 to find the unit rate
we get $18 for 1 pound
a) $864 for 8 pound
Divide both sides by 8 to find the unit rate
we get $108 for 1 pound
Hence the unit rates are for each situation is $5.00 for 1 pound, $8 for 1 pound, $65 for 1 pound, $2 for 1 pound, $18 for 1 pound, $108 for 1 pound
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7. What is the value of z?t50°60°70°
Answer:
50 is next to 70 ,_(60) with the rest
Step-by-step explanation:
(50)_(60)+(70)
(a)A circle has a radius of 12cm. If the radius is increased by a factor of 7, how's many times larger will the circle's circumference be? (b)What is the scale factor of the circumference of a circle with a radius of 3 when compared to the original circle? Write your answer as a decimal to the nearest hundredth.
The circumference of a circle is found using the formula,
[tex]C=2\pi r[/tex]Where
C is the circumference
r is the radius
A circle has radius 12 cm, so its circumference is
[tex]\begin{gathered} C_1=2\pi r \\ C_1=2\pi(12) \\ C_1=24\pi \end{gathered}[/tex]When the radius (12 cm) is increased by a factor of 7, we mean the radius is 7 times the original, so, the new radius is
[tex]7\times12=84[/tex]So, the circumference of this circle will be >>>>
[tex]\begin{gathered} C_2=2\pi r \\ C_2=2\pi(84) \\ C_2=168\pi \end{gathered}[/tex]To find how many times larger this circumference is of the previous one, we divide,
[tex]\frac{C_2}{C_1}=\frac{168\pi}{24\pi}=7_{}[/tex]Answer7(b)Using the circumference formula, we can find the circumference of this circle,
[tex]\begin{gathered} C=2\pi r \\ C=2\pi(3) \\ C=6\pi \end{gathered}[/tex]The original circle had a circumference of 24π
The question basically asks "how many times is the circumference of this circle compared to the circumference of the original circle?"
Of couse, it will be less than 1 since this circle is smaller than the original one.
So,
[tex]\begin{gathered} \frac{6\pi}{24\pi} \\ =\frac{1}{4} \end{gathered}[/tex]So, the scale factor is 1/4, or 0.25
Answer0.25The ratio of 1.2 to 29 is the same as the ratio of 4.8 to
Answer:
116
Step-by-step explanation:
Given the ratio 1.2 : 29, you want x in the equivalent ratio 4.8 : x.
SetupEquivalent ratios can be written as a proportion:
1.2/29 = 4.8/x
SolutionMultiplying by 29x, we have ...
1.2x = 29(4.8)
Dividing by 1.2 gives ...
x = 29(4.8/1.2) = 29(4) = 116
The ratio is the same as 4.8 to 116.
__
Additional comment
A proportion like this can be written 4 ways. The solution takes only one step if the unknown is in the numerator.
[tex]\dfrac{1.2}{29}=\dfrac{4.8}{x},\quad\dfrac{29}{1.2}=\dfrac{x}{4.8},\quad\dfrac{1.2}{4.8}=\dfrac{29}{x},\quad\dfrac{4.8}{1.2}=\dfrac{x}{29}[/tex]
if once taxi fare was $7.65 how many miles did he travel in the taxi a taxi company charges $2.25 for the first mile and then $0.20 per mile for additional mile or f equals $2.25 + $0.20(m -1) where f is the fair and m is Adam's number of miles
Answer:
28 miles
Explanation:
The equation that describes the relationship between the fare and the number of miles is:
f = 2.25 + 0.20(m - 1)
Where f is the fare and m is the number of miles.
So, if the taxi fare was $7.65, we can replace f by 7.65. Then:
7.65 = 2.25 + 0.20(m - 1)
Therefore, we can calculate the number of miles by solving the equation for m. So, subtracting 2.25 from both sides:
7.65 - 2.25 = 2.25 + 0.20(m - 1) - 2.25
5.4 = 0.20(m - 1)
Dividing by 0.20, we get:
[tex]\begin{gathered} \frac{5.4}{0.20}=\frac{0.20(m-1)}{0.20} \\ 27=m-1 \end{gathered}[/tex]Finally, add 1 to both sides:
27 + 1 = m - 1 + 1
28 = m
So, he travels 28 miles in the taxi
Rachel earns $27 per hour at work. She worked 936 hours last year. How much did Rachel earn from working last year?
Answer: $25,272 is the answer hope it helps.
Answer:
25,272 dollars in total
please help me again )))))))))
Answer: -14/5, -2.25, 1 1/4, 3/2
Step-by-step explanation:
Answer:
-14/5, -2.25, 1 1/4, 3/2
Step-by-step explanation:
I double-checked, and I believe it's correct.
P.S, if I could get Brainliest, it'd mean a lot to me! Thanks!
Ashe worked 8 hours every day for 10 days. If she made $620 for those 10 days she worked. What is her pay per hour?
Answer:
$7.75 per hour
Step-by-step explanation:
10 days x 8 hours = 80 hours
$620/80 hours = $7.75 per hour
Answer:
$7.75 per hour
Step-by-step explanation:
8 x 10 =80
$620=80 hours
÷80 ÷80
$7.75=1 hour
5. x^2+2x+1Factors:(__________________________)(_____________________)
Question: what are the factors of the expression:
[tex]x^2+2x+1[/tex]Solution:
Let the expression
[tex]x^2+2x+1[/tex]If we apply the quadratic equation:
[tex]\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}[/tex]we get the zero of the polynomial
[tex]f(x)=x^2+2x+1[/tex]which is -1. Thus the polynomial can be factored in the following way
[tex]x^2+2x+1\text{ = (x+1)(x+1)}=(x+1)^2[/tex]then, we can conclude that the factors of the given polynomial are:
(x+1) and (x+1)
Miriam buys the chair shown. The tax rate is . How much was the tax on the chair?
The tax on the chair is $7.50.
What is a tax?A tax is a mandatory financial charge or other sort of levy imposed by a governmental entity on a taxpayer in order to fund government spending and related public expenses.
The tax rate is the ratio at which a firm or individual is taxed in a tax system. A tax rate can be presented in numerous ways: statutory, average, marginal, and effective.
Let the cost of the chair be $150 and the assumed tax rate be 5%.
In this case, the tax on the chair will be:
= Tax rate × Cost of chair
= 5% × $150
= 0.05 × $150
= $7.50
Note that an overview was given as the information is incomplete.
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PLS HELP ME WITH THIS QUESTION ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Solve for perimeter
Answer:
7x+9=8
Step-by-step explanation:
4-x+7x-1-8-5x+6x+13
=7x+8
:]
During a weight loss challenge, Ms. Norris went from 190 pounds to 160 pounds. percent of weight did she lose?
the original weight is 190 pounds
the new weight is 160 pounds
so the percentage of weight loss is
[tex]=\frac{original\text{ weight - new weight}}{\text{original weight}}\times100[/tex][tex]\begin{gathered} =\frac{190-160}{190}\times100 \\ =\frac{30}{190}\times100 \\ =15.78 \end{gathered}[/tex]so she loss 15.78 per cent of the weight.
Which number is greater than 555,621,000?A.5.0 x 10*6B.6.2 x 10*7C.5.55621 x 10*7D.9.99 x 10*6
Given:
[tex]555,621,000[/tex]Consider the individual options and compare them with the given number.
A.
[tex]5.0\times10^9[/tex][tex]\text{Use }10^9=1,000,000,000.[/tex][tex]5.0\times10^9=5.0\times1,000,000,000[/tex][tex]5.0\times10^9=5,000,000,000[/tex]We know that
[tex]5,000,000,000>555,621,000[/tex]This option is correct.
B.
[tex]6.2\times10^7[/tex][tex]\text{Use }10^7=10,000,000.[/tex][tex]6.2\times10^7=6.2\times10,000,000[/tex][tex]6.2\times10^7=62,000,000[/tex]We know that
[tex]62,000,000<555,621,000[/tex]This option is not correct.
C.
[tex]5.55621\times10^7[/tex][tex]\text{Use }10^7=10,000,000.[/tex][tex]5.55621\times10^7=5.55621\times10,000,000[/tex][tex]5.55621\times10^7=55,562,100[/tex][tex]55,562,100<555,621,000[/tex]This option is not correct.
D.
[tex]9.99\times10^6[/tex][tex]\text{Use }10^6=1,000,000.[/tex][tex]9.99\times10^6=9.99\times1,000,000[/tex][tex]9.99\times10^6=9,990,000[/tex][tex]9,990,000<555,621,000[/tex]This option is not correct.
Final answer:
[tex]5.0\times10^9\text{ is greater than 555,621,000.}[/tex]Option A is correct.
Solve the inequality for x.21 > x+2Simplify as much as posible.
The given inequality is 21>x+2.
The inequality can be solved as,
[tex]\begin{gathered} 21>x+2 \\ 21-2>x \\ 19>x \\ x\in(-\infty,19). \end{gathered}[/tex]Thus, the above expression gives the required solution for the inequality.
Rita, Goran, and Kareem have a total of $93 in their wallets. Rita has $7 more than Goran. Kareem has 2 times what Rita has. How much do they have in their wallets?
Goran has $18 in his wallet. Rita has $25 and Kareem has $50 in his wallet.
What is basic algebra?Algebra is a branch of mathematics that helps translate real-world problems or situations into mathematical formulas. Mathematical operations like addition, subtraction, multiplication, and division as well as variables like x, y, and z are needed to construct a valid mathematical expression. Coordinate geometry, calculus, and trigonometry are just a few of the mathematics topics that involve algebra. A simple algebraic equation is 2x + 4 = 8. Algebraic expressions are the result of performing operations on variables and constants, such as addition, subtraction, multiplication, division, etc.
Let the amount Goran have = X
Then, the amount Rita have= x+7
Then, Kareem has the amount = 2(x+7)
According to question
The total money three of them have = $93
Therefore,
x+x+7+2(x+7) = 93
2x + 7 + 2x + 14 = 93
4x+21= 93
4x= 93-21
4x= 72
x= 18
So,
Goran has $18 in his wallet
Rita have $ 18 +37= $25 in her wallet
Kareem has 2 × 25 = $50 in his wallet
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A 45 kg skydiver has a speed of 25 m/s at an altitude of 950 meters above the ground. Determine the
kinetic energy possessed by the skydiver.
The kinetic energy possessed by the skydiver is 14, 062. 5 Joules
What is kinetic energy?Kinetic energy of an object is defined as the energy possessed by an object due to its motion.
It is also described as the work that is required to accelerate a body of mass from rest to its given velocity.
The formula for calculating kinetic energy is expressed as;
Kinetic energy = 1/2 mv²
Where;
m is the mass of the objectv is the velocity of the objectNow, substitute the values
Kinetic energy = 1/2 (45)(25)²
Find the square
Kinetic energy = 1/2 (45)(625)
Find the product
Kinetic energy = 1/2(28125)
Find the quotient
Kinetic energy = 14, 062. 5 Joules
Hence, the value is 14, 062. 5 Joules
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Estimate the total cost of the following items from your dorm room rounded individual cost to the nearest $10 round your answer to the nearest dollar no sense
First item= $159.55
Chair= $49.75
Cubes= $29.87
Lamp= $19.78
Rounding the individual cost to the nearest $10, we get:
First item= $160
Chair= $50
Cubes= $30
Lamp= $20
The total cost will be:
$160+$50+$30+$20= $260.
The answer is: $ 260.
What are the coordinates of the point? Responses (−2, 4) begin ordered pair negative 2 comma 4 end ordered pair (4, −2) begin ordered pair 4 comma negative 2 end ordered pair (−4, −2) begin ordered pair negative 4 comma negative 2 end ordered pair (2, 4) begin ordered pair 2 comma 4 end ordered pair A coordinate grid with a dot placed in the second quadrant. The dot is to the left of positive 4 on the y axis and above negative 2 on the x axis Skip to navigation
The coordinates of the point are (-2,4)
A coordinate grid has two lines perpendicular to each other referred to as the Axis, labeled a bit like number lines. The horizontal axis is ordinarily called the x-axis. The vertical axis is ordinarily called the y-axis. The origin is the point where the x- and y-axis meets. The numbers on a coordinate lattice are utilized to find points. Each point can be identified by a requested combination of numbers; that's, a number on the x-axis called an x-coordinate, and a number on the y-axis called a y-coordinate. The requested sets are composed in enclosures (x-coordinate, y-coordinate).
For the given point, the x-coordinate is -2 on the negative x-axis, and y - coordiante is 4 on the positive y-axis.
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In a city in Ohio, the sales tax rate is 7.5%. If you buy a blanket for $22.00 and a pillow for $8.00, what is your total bill of the blanket and pillow including tax?
Name
1) The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to
24 rings each day using up to 80 total man-hours of labor. It takes 4 man-hours to make one VIP ring and 2
man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the
company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?
Let V stand for the number of VIP rings made, S stand for the number of SST rings made.
State the Objective Function
Z=_
State the total ring constraint
State the man-hours constraint
Use the graph below to graph your constraints, label your Optimal Region points, and evalute them for the. Optimal solution using your
Z equation.
What is your Optimal Sales $'s.
How many VIP Rings
How many SST Rings
The combination that gives the most profit exists 12 VIP rings and 12 SST rings (900 / day).
How to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?This is a linear programming problem.
The objective function is profit R, which has to be maximized. [tex]$R=40 \mathrm{~V}+35 S$[/tex]
being V: number of VIP rings produced, and S : number of SST rings produced.
The restrictions are
Amount of rings (less or equal than 24 a day): [tex]$V+S \leq 24$[/tex]
Amount of man-hours (up to 60 man-hours per day):[tex]$3 V+2 S \leq 60$[/tex]
The number of rings of each type exists a positive integer: [tex]$V, S \geq 0$[/tex]
We get 3 points, in which 2 of the restrictions exists saturated. In one of these three points lies the combination of V and S that maximizes profit.
The points and the values for the profit function in that point are:
Point 1: V=0 and S=24
[tex]$R=40 \mathrm{~V}+35 S=40 \cdot 0+35 \cdot 24=0+840[/tex]
R = 840
Point 2: V=12 and S=12
R = 40 V+35 S [tex]=40 \cdot 12+35 \cdot 12=480+420[/tex]
R = 900
Point 3: V=20 and S=0
R = 40 V+35 S [tex]=40 \cdot 20+35 \cdot 0=800+0 \\[/tex]
R = 800
The combination that gives the most profit exists 12 VIP rings and 12 SST rings (900 / day).
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The net of a square pyramid is shown below. What is the surface area of the pyramid?
Answer:
qt 456u8u64t3544
Step-by-step explanation:
for wicks watchful warships x
i need help with this question
Answer:
58.29 cm^2
Step-by-step explanation:
The area of a trapezium is calculated with the following formula:
[tex] \frac{a + b}{2} \times h[/tex]
(a: base, b: base, h: height)
[tex] \frac{ 7 + (10.4)}{2} \times (6.7) \\ \\ \frac{17.4}{2} \times (6.7)[/tex]
get rid of fraction by dividing (17.4) with 2
(17.4)÷2 = 8.7 multiply this with height
(8.7) × (6.7) = 58.29
The area of the given trapezium is 58.29 cm².
What is a trapezium?In American and Canadian English, a quadrilateral with at least one pair of parallel sides is referred to as a trapezoid. A trapezium is a term used for a trapezoid in British and other varieties of English. These two terms were transposed due to a typo in Charles Hutton's mathematical dictionary.So, the area of the trapezium:
Formula: (a+b)/2 × hWhere, a = 7, b = 10.4 and h = 6.7.Solve as follows:
(a+b)/2 × h(7 + 10.4)/2 × 6.717.4/2 × 6.78.7 × 6.758.29 cm²Therefore, the area of the given trapezium is 58.29 cm².
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-8 + 12x+7x+12= A19x4 B 24x-1 C 5x+20 D 5x+4
Given the expression:
-8 + 12x + 7x + 12
Let's simplify the expression.
To simplify the expression, combine all like terms.
We have:
-8 + 12x + 7x + 12
= 12x + 7x + 12 - 8
Add 12x and 7x
= 19x + 12 - 8
Add 12 and -8
= 19x + 4
ANSWER:
19x + 4
Signs are placed at regular intervals along a mountain road to indicate altitude. At Grinbrir Lodge, the sign indicates an elevation of 876 meters. But 17 kilometers down the road, another sign indicates that the elevation is 672 meters. What is the average elevation change per kilometer traveled from the Lodge
Answer:
-12 m/km
Step-by-step explanation:
You want to know the average elevation change per kilometer given the elevation changes from 876 meters to 672 meters over a distance of 17 kilometers.
Rate of changeThe average elevation change per kilometer is found by dividing the elevation change by the number of kilometers. The elevation change is the difference between the ending elevation and the starting elevation.
rate of change = ((end elevation) -(start elevation))/(distance)
= (672 m -876 m)/(17 km) = (-204 m)/(17 km) = -12 m/km
The average elevation change is -12 meters per kilometer traveled from the lodge.
__
Additional comment
Expressing both dimensions in the same unit, we can find the average grade of the road to be ...
(-12 m)/(1000 m) = -0.012 = -1.2% . . . . . average grade of the road
You need a 55% alcohol solution. On hand, you have a 150mL of a 45% alcohol mixture. You also have 80% alcohol mixture. How much of the 80% mixture will you need to add to obtain the desired solution?
Let the equired amount of 80% alcohol mixture required be 'x' mL.
If C represents the concentration and V represents the correspon
(d) Find the domain of function R. Choose the correct domain below.
Answer:
d
Step-by-step explanation:
The number of years must be non-negative.
This eliminates all of the options except for d.
Selena was comparing the flying seeds of different birds in science class. which of the three words why faster why?select the correct response 1. the blue jay Five Spices because it's rate is 20 m/s2. the Cardinal flies fast is because it's right is 10 m/s3.the robin Place passes because it's rate is 15 m/s4.they all fly at a rate of 10 m/s
Selena was comparing the flying seeds of different birds in science class.
Which of the three words why faster why?
Select the correct response
1. the blue jay Five Spices because it's rate is 20 m/s
2. the Cardinal flies fast is because it's right is 10 m/s
3. The robin Place passes because it's rate is 15 m/s
4.they all fly at a rate of 10 m/s
____________________________
The slope, in this case, expresses the variation of the distance with respect to time (that is, the speed).
Comparing the slopes
Blue Jay's Flight
slope 10 m/s
__________________
Robin's Flight
slope = (y1-y2)/ (x1-x2)
Selecting the points (x, y)
Point 1 (2, 30)
Point 2 (6, 90)
slope = (90- 30) m / (6-2 )s
=(60)/ 4
= 15 m/s
_______________________________
Answer
3. The robin Place passes because it's rate is 15 m/s
_______________________________
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Flan- servers 10 people; $10.85 per person 1/8 teaspoon salt.1(12 fluid once) 1 teaspoon vanilla1/4 cup brown sugar
Filling with the information given, we have:
Multiply the original recipe by 10 (Since we have to serve 10 people)
New recipe:
Salt: 1/8 x 10 = 10/8 = 5/4 (Multiplying fractions and simplifying)
5/4 = 1 1/4 ( Converting the fraction to a mixed number)
Evaporated milk : 1 x 10 = 10 cans.
Vanilla: 1 x 10 = 10 teaspoons.
Brown sugar: 1/4 x 10 = 10/ 4 = 5/2 (Multiplying fractions and simplifying)
5/2 = 2 1/2 (Converting the fraction to a mixed number)
The values of the new recipe are:
Salt: 1 1/4
Evaporated milk: 10 cans
Vanilla: 2 1/2 teaspoons
Brown sugar: 2 1/2 cups
Use the graph of y=f(x) shown below to graph the function GAnd then choose the correct graph
Rule of dilation:
[tex](x,y)\rightarrow(4x,4y)[/tex]Find the coordinates of the points in g(x) following the rule above:
[tex]undefined[/tex]A lifeguard is sitting in an observation chair at a pool. The lifeguard's eye level is 6.2. feet fromground. The chair is 15.4 feet from a swimmer. Calculate the measure if an angle forms when thelifeguard looks down at the swimmer.
We can represent this situation with a triangle, as shown below:
We need to calculate the angle that forms between the line of sight of the Life Guard and the swimmer. For that, we will have to use the tangent relation.
[tex]undefined[/tex]Which of the following are remote interior angles of Z1? Check all that apply51613/241O A. 23I B. 25O C. 26hO D. 22O E. 24O F. 21
Given data:
The given figure of the triangle.
The remote interior angles of ∠1 are,
[tex]\angle4\text{ \& }\angle6[/tex]Thus, the options (C) and (E) are correct.