Answer: The ratio of the time spent on the job estimate to the total time spent on this job is 1/10. Alternatively, it can also be represented as 1:10
Step-by-step explanation:
To find the ratio of the time spent on the job estimate to the total time spent on the job, we need to divide the time spent on the estimate by the total time spent on the job, and then express the result as a fraction.
First, we need to convert both times to minutes.
15 minutes for the job estimate
2 hours = 2*60 = 120 minutes
30 minutes
Total time spent on the job = 120 + 30 = 150 minutes
Now we can divide the time spent on the estimate by the total time spent on the job:
15 minutes / 150 minutes = 1/10
So the ratio of the time spent on the job estimate to the total time spent on this job is 1/10. Alternatively, it can also be represented as 1:10
(Look at picture)………..
Beginning at the y-intercept (0,35),Line is solid, slopes down one and over one, and is shaded beneath.
What is the graph?Choose your variables first.
If x is the amount of hours spent mowing lawns,
Let y equal the number of hours worked at the clothes business.
A minimum of $400 must be earned from both employment (400 or more)
15x + 10y ≥ 400
In order to graph y = -15/10x +35, get y.
10 hours minimum every day in the store.
35 hours maximum per week
x + y ≤ 35
To graph y = -x + 35, find y.
Making the graph: 0 to 35 for the x and y axes.
First equation: y = -15/10x + 35 y-intercept = 35 slope: solid line on the y-axis starting at 35, going down 12, over 10 Shade above solid line
Second formula: y 10
At y=10, draw a solid horizontal line; more than should be shaded above the line.
Third formula: y = -x + 35
beginning at the y-intercept (0,35)
Line is solid, slopes down one and over one, and is shaded beneath.
The overlapping region on the graph will appear as a little triangle with its points under the line from the third equation, above the horizontal line, and above the line from the first equation.
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At noon, a 36 foot building casts a 20 foot shadow. Find the shadow cast by a 6 foot tree. Set up a proportion and solve. Be sure to show all your work!
Using the concept of proportions and ratio, the building of 6ft casts a shadow of 3.33ft
What is ProportionsProportions are a way of comparing two or more quantities by expressing them as fractions or ratios. They are used to describe the relationship between parts of a whole.
A proportion can be written in different ways. For example, the proportion of red apples to total apples can be written as "3 out of 5", "3:5", or "3/5". In this case, 3 is the number of red apples, 5 is the total number of apples and 3/5 is the proportion of red apples.
Data;
Building = 36 ftshadow = 20 ftBuilding 2 = 6ftshadow = xSetting up a proportions or two ratios for this.
36 / 20 = 6 / x
cross multiply both sides and solve for x
36 * x = 20 * 6
36x = 120
x = 3.33
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5. Given an arithmetic sequence, Tn, the sum of the third and fourth terms is 167 and T21 = -4. Determine the value of the constant difference and hence find the general term, T- (6)
The arithmetic sequence's fifth term is therefore 84.
How can you determine the value of n in the sum of an arithmetic sequence?An arithmetic sequence's nth term is determined by a = a + (n - 1)d. So, enter the values a = 2 and d = 3 into the formula to determine the nth term.
The formula to determine the nth term of an arithmetic series is a = a1 + (n - 1)d if a1 is the first term and d is the common difference.
In the mathematical sequence, 84 is the fifth term.
The process for calculating value
An arithmetic sequence's nth term can be calculated using the following formula:
Tn = a + (n -1)d
Where;
First term is a.
N words are present.
d is the typical difference
We must substitute nas 5's value in order to find the fifth term.
T5 = 4 + (5-1) 20
T5 = 4 + 4(20) (20)
the bracket be expanded
T5 = 4 + 80
T5 = 84
The arithmetic sequence's fifth term is therefore 84.
The complete question is,
4 is the initial term and 20 is the constant difference in an arithmetic series. Discover the sequence's sixth phrase.
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Geneva treated her parents to dinner at their favorite restaurant. The bill was $73.25. She wants to leave 24% of the total bill as a tip. How much should the tip be, in dollars?
Answer:
To calculate the tip, we first need to find 24% of the total bill. To do this, we can multiply the bill amount by 24% (expressed as a decimal).
Tip = 0.24 * 73.25
= 17.58
Therefore, the tip should be $17.58 in dollars.
Fatms is making a triangular Shaped Scarf, where the sides have Length's 78 cm, 78 cm, and 121cm. To finish the scarf, she will need to sew a binding perimeter around the scarf. Find the perimeter of of the of the scarf.
solve for (A,B) answer quick
Using substitution method, the values of a and b in the system of linear equations are 6.3 and 3.65
What is system of linear equationsA system of linear equations is a set of two or more linear equations that contain two or more variables. The goal of solving a system of linear equations is to find the values of the variables that satisfy all of the equations in the system simultaneously. Linear equations are equations that can be written in the form of ax + b = y, where a, b, and x are constants and x is the variable.
To solve this problem, we have to solve the equations simultaneously using either substitution or elimination method.
0.95a + 1.1b = 10 ...eq(i)
a + b = 9.95 ...eq(ii)
From equation (ii)
a + b = 9.95
a = 9.95 - b ...eq(iii)
Put eq(iii) into eq(i)
0.95(9.95 - b) + 1.1b = 10
b = 3.65
put b = 3.65 into eq(ii)
a + 3.65 = 9.95
a = 6.3
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What type of proofs did Julie and Samuel use
What else is part of the problem?
Find 400% of 3/16
Enter your answer as a decimal.
find x (will mark brainliest)
Using circle theorems, the value of x in the cyclic quadrilateral is 6 units
What is a Cyclic QuadrilateralA cyclic quadrilateral is a four-sided shape whose vertices all lie on the same circle. This means that all four angles of the quadrilateral are equal to one another.
This is further explained by circle theorem which is a branch of mathematics that deals with the properties of circles and their relationships with other shapes. It is based on the fact that all points on a circle are equidistant from the center of the circle. Circle theorem has many applications, such as finding the area of a circle, calculating the circumference of a circle, and even determining the angles of a triangle formed by three points on a circle.
In this given problem, to find the value of x, we have to use proportions or ratios of the sides given.
This becomes;
(x + 6) / x = 12 / x
when the denominators cancel out;
x + 6 = 12
Collect like terms
x = 12 - 6
x = 6
The value of x is 6
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Please someone help me with this math problem
To graph the system of equations 3x - 2y = 4 and 3x + 2y = 8, we first need to solve for the value of x and y.
To solve for x and y, we can use the first equation 3x - 2y = 4,
3x - 2y = 4
y = (3x/2) - 2
we can substitute this value of y into the second equation 3x + 2y = 8
3x + 2(3x/2 - 2) = 8
3x + 3x - 4 = 8
6x = 12
x = 2
Now we can substitute the value of x into the first equation to find the value of y
3(2) - 2y = 4
6 - 2y = 4
-2y = -2
y = 1
so the point of intersection is (2,1)
In order to graph the system of equations, we can plot the point of intersection (2,1) and then use the slope-intercept form of the equations to graph the lines.
The slope-intercept form of the first equation is y = (3/2)x - 2
The slope-intercept form of the second equation is y = (1/2)x + 4
So, the lines have a slope of 3/2 and 1/2 respectively.
We can now plot these lines on the coordinate plane, with the point of intersection (2,1) being the point where the lines cross.
The graph of the system of equations is the two lines crossing at the point (2,1)
Simplify the expression to a + bi form:
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−
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(−8+i)+(2+2i)Simplify the expression to a + bi form:
(
−
8
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(−8+i)+(2+2i)
The simplified form of the given expression is 3(i-2)
What are expressions?A term can be a number, a variable, product of two or more variables or product of a number and a variable. An algebraic expression is formed by a single term or by a group of terms. For example, in the expression 4x + y, the two terms are 4x and y.
Given is an expression, (−8+i)+(2+2i)
Simplifying the expression,
(−8+i)+(2+2i)
= -8 + i + 2 + 2i
= -8+2+2i+i
= -6+31i
= 3(i-2)
Hence, the simplified expression is 3(i-2)
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[tex]98765÷325[/tex]98765÷325
Answer:
Not sure what you meant and could of used some specifics but I got this with my experience in algebra and geometry.
9906513923.77
98765 times triangle A 32598765÷325
The sum of three consecutive numbers is 120.
a) If x is the smallest of the three numbers,write down the equation that x satisfies.
b) Hence solve for x
Answer:
39
Step-by-step explanation:
x+x+1+x+2=120
3 consecutive numbers leading to x=39 !
Kelly and her brother won the lottery: Kelly took one half of the earnings, and her brother, Toey, took the other half. Kelly spent her entire half of the money. Joey spent & of his share.
What fraction of the total lottery winnings did Joey spend?
Answer:
Let's call the total amount of the lottery winnings x.
If Kelly took one half of the earnings, then she took 1/2x and Toey took 1/2x as well.
Toey spent 1/4 of his earnings, so he spent 1/4*(1/2x) = 1/8x
So Joey spent 1/8 of the total lottery winnings.
PLEASE ASSIST ME
The perimeter of a triangular garden is 72 feet Find the length of the three sides if the middle length side is 2 feet greater than twice the length of the smallest side, and the longest side is 2 feet less than 3 times the length of the smallest side
A tree is 7 feet 1 inch tall. How tall is it in inches?
Answer:
85 inches
Step-by-step explanation:
7*12+1=84+1=85
Mick's zoo offers a promotional deal: get a free $3 cotton candy and a free
$2 soda with the purchase of five $12 admission tickets. A group of 20
students will each purchase a ticket. If half of them want cotton candy and
14 of them want soda, how many dollars would they save by using the
promotional deal?
The group of 20 students will save $144 by using the promotional deal. Half of the group, or 10 students, will get the free cotton candy, so that's $30 saved. 14 of the students will get the free soda, so that's another $28 saved. Added together the group of 20 students will save $58 on the cotton candy and $28 on the soda for a total savings of $144.
Please look at the picture and answer the question thank you
Answer:
[tex]5y^3-2x^2+2[/tex]
Step-by-step explanation:
I like to start off by rearranging the like terms next to each other, going from the greatest power to the least, so that they are more clear.
So in this case it would be: [tex]2y^3+3y^3+x^2-3x^2+1+5-4[/tex]
Now you can add them together. Remember you can only add/subtract coefficient or variable with the same base and power.
And with that in mind, the final result should be,
[tex]5y^3-2x^2+2[/tex]
Hope this helps!
Can someone help me do this problem? Can you do it in a ti-84 calculator? If so how?
Answer:
z = -8/3 - 5i
Step-by-step explanation:
Sorry, I don't know what a ti-84 calculator is.
But, I can solve this question normally.
Let the real part of z be x and the imaginary part be y.
z = x + iy
|z| = √(x²+y²)
z + |z| = x + iy + √(x²+y²) = 3 - 5i
Now, y has to be -5 as |z| is a real number so the only component affecting i is y. Therefore, y = -5.
Now, lets figure out the real part.
Cancel out imaginary part.
x + √(x² + 25) = 3
3 - x = √(x² + 25)
squaring on both sides,
9 + x² - 6x = x² + 25
6x = -16
x = -8/3
Hence the required complex number is -8/3 - 5i
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Josh Filled up the gas tank on his truck and decided to collect some data that he could use to determine the fuel Efficiency of his vehicle.
The x-intercept of the equation y=-13x+234 is (18,0).
What is the point slope form?The point slope form is used to find the equation of the straight line which is inclined at a given angle to the x-axis and passes through a given point.
The equation of the point slope form is: (y - y₁) = m(x - x₁)
where, (x, y) is a random point on the line and m is the slope of the line.
1) From the give table, we have (18, 0) and (15, 39).
Here, slope(m) = (39-0)/(15-18)
m= -13
2) Substitute m= -13 and (x₁, y₁)=(18, 0) in point slope form, we get
(y-0)= -13(x-18)
y=-13x+234
To find the x-intercept, substitute in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y.
x-intercept(s): (18,0)
y-intercept(s): (0,234)
Therefore, the x-intercept of the equation y=-13x+234 is (18,0).
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Identify what type of shape ABCD is if… the slope of BC= -5/4 and the length of DA=6.4
The shape of the ABCD is a rhombus. The diagonals are not equal to each other.
What is the 2-dimensional shape?
A two-dimensional shape with horizontal and vertical axes is known as a 2d shape (x-axis and y-axis). Two-dimensional shapes have only length and width. There is no thickness or height to these shapes.
Given the vertices of ABCD are A(-3,0), B (1,5), C(-3,10) and D(-7,5).
The formula distance between points (x₁, y₁) and (x₂, y₂) is √[(x₂ - x₁)² + (y₂ - y₁)²].
The distance between A and B is √[(1 - (-3))²+(5 - 0)²] = √(4²+5²) = 6.4
The distance between B and C is √[(-3 - 1)²+(10 - 5)²] = √(4²+5²) = 6.4
The distance between C and D is √[(-7 - (-3))²+(5 - 10)²] = √(4²+5²) = 6.4
The distance between A and D is √[(-7 - (-3))²+(5 - 0)²] = √(4²+5²) = 6.4
The distance between A and C is √[(-3 - (-3))²+(10 - 0)²] = √(10²) = 10
The distance between B and D is √[(-7 - 1)²+(5 - 5)²] = √(8²) = 8
The slope of a line passes through the points (x₁, y₁) and (x₂, y₂) is (y₂ - y₁)/(x₂ - x₁).
The slope of AB is (5-0)/(1-(-3))=5/4
The slope of BC is (10-5)/(-3-1)=-5/4
The slope of CD is (5-10)/(-7-(-3))=5/4
The slope of AD is (5-0)/(-7-(-3))=-5/4
The number of vertices of the quadrilateral is 4.
Thus it is either a square or rectangle or rhombus or parallelogram.
Since the length of all sides is equal thus it is either a square or rhombus.
Since the diagonals are not equal it is a rhombus.
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A man jogs from P to Q to M to R to Q back to P at an average speed of 150 yards per minute. To the nearest tenth of a minute, about how long does it take him to travel the entire distance
The time needed to travel the entire distance is given as follows:
1.27 minutes.
How to obtain the time it took to travel the entire distance?Before obtaining the time, we need to obtain the entire distance.
The distance is the perimeter of the rectangle, which is the sum of all the outer side lengths of the right triangle.
The sides of the right triangle are given as follows:
40 yards and 70 yards.
Applying the Pythagorean Theorem, the length of the hypotenuse is given as follows:
h² = 40² + 70²
[tex]\sqrt{40^2 + 70^2}[/tex]
h = 80.6 yards.
Then the total distance is given as follows:
40 + 70 + 80.6 = 190.6 yards.
The time is given by the division of the distance by the velocity of 150 yards per minute, hence:
t = 190.6/150
t = 1.27 minutes.
Missing InformationThe problem is given by the image presented at the end of the answer.
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(−3⋅10 3 )⋅(4⋅10 6 )=
Answers:
A. -12x10^9
B. -12x10^3
C. 12x10^3
D. 12x10^9
Answer:
A
Step-by-step explanation:
-3 x 4 = -12
[tex]10^{3}[/tex] x [tex]10^{6}[/tex] = [tex]10^{9}[/tex] You add the exponents when you are multiplying powers with the same bases.
If 576 / 24 = 24, then 24² =
Answer:
Step-by-step explanation:
24²=24×24
Which is 576
On an island, frogs are always either green or blue in some initial ratio of blue to green frogs. The number of blue frogs increased by 60% while the number of green frogs decreased by 60%. It turns out that the new ratio of blue frogs to green frogs is the same as the previous ratio in the opposite order (green frogs to blue frogs). By what percentage did the overall number of frogs change?
When the number of blue frogs increased by 60% and the number of green frogs decreased by 60%, the percentage of the overall increase is solved to be 60%
How to find the percentage of the overall increaseAssuming the number of blue frogs and the number of green frogs are equal and = y
Then the total number of frogs = y + y = 2y
Increasing the percentage of each by 60%, the factor for percentage increase by 60% is 1.6
hence 1.6y + 1.6y = 3.2y
percentage change
= change in price / original price * 100
= (3.2y - 2y) / 2y * 100
= 1.2y / 2y * 100
= 0.6 * 100
= 60
hence the percentage change is 60%
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The results of a survey of students showed that 53 students had a Netflix account, 46 students had a Hulu account and 87 students had a Netflix or a Hulu account. How many students had both a Netflix and Hulu account? Show how you got your answer either by drawing a Venn diagram or by showing the math.
Answer:
12 students
Step-by-step explanation:
The number of students surveyed: 53 + 46 = 99 students
The number of student having both: 99 - 87 = 12 students
Graph y=3/4x+5 which point lies on the graph of the line
Answer:
Graph is attached below
Step-by-step explanation:
To start off, let's find the y-intercept, which is when x=0
So, when x=0,
[tex]y=\frac{3}{4}(0)+5[/tex], which is y=5.
So we can put a point on (0, 5)
From there, since the slope is 3/4. We can go up 3 and right 4 to plot a point there, you can also do down 3 and down 4 from the y-intercept point, then keep going either, up 3 and right 4 or down 3 and left 4, which should give you a diagonal line that looks something like;
Find the missing length.
Answer:
Pythagorean theorem:
[tex]a ^{2} + b ^{2} = c^{2} [/tex]
[tex]2 ^{2} + 11 ^{2} = c^{2} [/tex]
2×2=4 11×11=121
4+121=125
[tex]c = \sqrt{125} [/tex]
Find the length of each rectangle from its area (A) and breadth (B).
(a) A = 375 sq m, B = 10 m
(c) A = 280.5 sq km, B = 11 km
Di.
Jth
(b) A = 393 sq cm, B = 15 cm,
(d) A = 340 sq m, B = 17 m/
The following are the values for the length of each rectangles:
(a) L = 37.5 m
(b) L = 26.2 cm
(c) L = 25.5 km
(d) L = 20 m
How to calculate the area of a rectangleIn calculating for the area of rectangle, the breadth is multiplied by the length of the rectangle.
We shall evaluate for the Lengths of the rectangles as follows:
Length = 375 m²/ 10 m
Length = 37.5 m
Length = 393 cm²/ 15 cm
Length = 26.2 cm
Length = 280.5 km²/ 11 km
Length = 25.5 km
Length = 340 m²/ 17 m
Length = 20 m
Hence, 37.5 m, 26.2 cm, 25.5 km, and 20 m are the respective values for the length of rectangles with area 375 m², 393 cm², 280.5 km², and 340 m².
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At a particular job, workers' wages are linear and based on years of experience. You ask two workers what their
experience and wages are to determine the wage formula. One worker earns $16.10 per hour with 1 years of
experience. The other worker has 3 years of experience and earns $21.30 per hour.
Instructions: Change settings in the above tool as needed to assist in answering the following questions. All answers
could be calculated, or they can be read or estimated from the table or graph above after entering the correct
settings.
a) What is a worker's starting wage at this job? $
per hour
b) What wage can be expected after 7 years of experience? $
per hour
A worker's starting wage at this job is $13.5.
$31.70 per hour can be expected after 7 years of experience.
What is the system of equations?
System of equations, also known as simultaneous equations, Two or more equations to be solved together in algebra (i.e., the solution must satisfy all the equations in the system). The number of equations must equal the number of unknowns for a system to have a unique solution.
Given that a worker earns $16.10 per hour with 1 year of experience.
The other worker earns $21.30 per hour with 3 years of experience.
The model that represents the wages of a worker is
y = ax + b
Where x is the number of years of experience, and y is total wages.
Now putting x =1 and y = 16.10 in y = ax + b:
16.10 = a + b .....(i)
Now putting x =3 and y = 21.30 in y = ax + b:
21.30 = 3a + b .....(ii)
Subtract equation (ii) from equation (i)
3a + b =21.30
a + b = 16.10
(-) (-) (-)
__________
2a = 5.2
a = 2.6
Putting a = 2.6 in equation (i)
16.10 = 2.6 + b
b = 16.10 - 2.60
b = 13.5
The model is y = 2.6x + 13.5
A worker's starting wage is $13.5 at this job.
Putting x = 7 in y = 2.6x + 13.5:
y = 2.6×7 + 13.5
y = $31.70
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