Answer:
Your answer would be 17 because 171 divided by 9 is 19, so 323 divided by 19 would be 17.
Answer:
17 hoursStep-by-step explanation:
Tom made $171 for 9 hours of work. At the same rate, how many hours would he have to work to make 323 ?
we can solve with an equation171 : 9 = 323 : x
x = 9 * 323 : 171
x = 2907 : 171
x = 17
-------------------------
check
171 : 9 = 323 : 17
19 = 19
the answer is goodAn elevator can carry 15 adults or 20 children at one time during the course of a day the elevator Carries a full passenger load 52 times if all the passengers were children how many more people would the elevator carry than If all the passengers were adults
An elevator can carry 15 adults or 20 children at one time during the course of a day the elevator Carries a full passenger load 52 times if all the passengers were children 260 more people would the elevator carry than If all the passengers were adults.
52 trips[tex]\times[/tex]15 adults = 780 adults for the course of a day
52 trips[tex]\times[/tex] 20 children = 1,040 children for the course of a day
The elevator can carry 1040-780=260 more children than adults in a day
A vehicle that travels in a vertical shaft to transport people or cargo between floors of a multistory structure is an elevator, also known as a lift. The majority of contemporary elevators are moved by electric motors through a network of wires and sheaves with the help of a counterweight (pulleys).
Traction elevators come in two varieties: gearless traction and gearless traction. The most sophisticated option is a gearless traction elevator, which operates the hoisting mechanism using counterweights and has a wheel that is directly connected to the engine.
To learn more about elevators visit , https://brainly.com/question/481548
#SPJ9
five years ago, john was twice peters age. peter is now x years old and john is now y years old.
a) write an equation to illustrate the relation between John's age and Peter's age five years age.
b) this year, the total of their ages is 28 years old. use this information to determine John's age in three years.
c) use substitution to justify that your answers to part (a) are correct.
please help
Answer:
Step-by-step explanation:
a)
Peter now = x years old
John now = y years old
Five years ago
y-5 = 2(x-5)
y-5 = 2x-10
y = 2x-5
b)
x+y=28
y=28-x
Therefore
2x-5 = 28-x
3x = 33
x = 11
y = 28 - (11)
y = 17
Therefore
In three years time John will be:
17 + 3 = 20
c)
y-5 = 2x-10
Lefthand side:
(17)-5 = 12
Righthand side:
2(11)-10=22-10=12
Therefore
Lefthand side =Righthand side
YAY!
3(z - 1) - 1/2 (4z + 10) = 4 (z - 3/2) + 10
Answer:
z = -4
Step-by-step explanation:
Let's solve the problem,
→ 3(z - 1) - 1/2 (4z + 10) = 4 (z - 3/2) + 10
→ 3z - 3 - 2z - 5 = 4z - 6 + 10
→ z - 8 = 4z + 4
→ 4z - z = -4 - 8
→ 3z = -12
→ z = -12/3
→ [ z = -4 ]
Hence, the value of z is -4.
please give a detailed explanation
Answer:
1) Constant
2) Decreasing
3) Increasing
Step-by-step explanation:
1) Graphically, we can say that a function is constant if we see a flat line, which means that the range is the same throughout its domain, in this case we have one flat line, therefore it is a constant function
2) The graph is going down as it moves from left to right in all the domain, that means it's decreasing
3) The graph is going up as it moves from left to right in all the domain, that means it's increasing.
If p < 0, q > 0, and p + q = r, which statement about r is true? A number line shows p to the left of 0 and q to the right of 0, with q closer to 0 than p. |r| = |q| r > 0 r < 0 |r| > |q|
The correct option is r < 0 for the given inequalities of p < 0, q > 0, and p + q = r.
What is defined by the number line?You can select any point as "0," and all positive numbers will be to the right of the "0," and all negative numbers will be to the left of the "0." A line of infinite length, the points of which correspond to real numbers based on their distance in a negative or positive position from a point randomly chosen as zero.A number line is a straight line to numbers at equal intervals or sections along its length. A number line could be extended in any direction indefinitely and is typically represented horizontally.For the given inequalities;
p < 0, q > 0, and p + q = r;
As, we know that if p < 0; then it hold the negative value.
And for q > 0, it have the positive values.
Because -negative(P) was closer to zero than Positive q, let's say p = -10 and q = 5.
p + q = r
Put the values;
r = -10 + 5 = -5,
r = -5
Therefore, r < 0 is the correct condition for the given inequalities.
To know more about the number line, here
https://brainly.com/question/4727909
#SPJ9
[tex]\frac{x}{2}=\frac{4}{x} -1[/tex]
[tex]\fbox{x = - 4} \: \sf or \: \fbox{ x = 2}[/tex]
Step-by-step explanation:
[tex] \frac{x}{2} = \frac{4}{x} - 1[/tex]
multiply whole equation with 2x,
[tex] \hookrightarrow\frac{x}{2} \times 2x = ( \frac{4}{x} \times 2x) - (1 \times 2x)[/tex]
[tex]\hookrightarrow {x}^{2} = 8 - 2x[/tex]
Rearranging above equation and making a quadratic equation,
[tex]\hookrightarrow {x}^{2} + 2x - 8 = 0[/tex]
Comparing above equation with, ax²+bx+c,
a =1, b=2, c= -8
Using formula,
[tex]x = \frac{ - b ± \sqrt{ {b}^{2} - 4ac} }{2a} [/tex]
Substituting the given values,
[tex]x = \frac{ - 2 ± \sqrt{ {2}^{2} - 4 \times 1 \times ( - 8)} }{2 \times 1}[/tex]
[tex]x = \frac{ - 2 ± \sqrt{ 4+32} }{2}[/tex]
[tex]x = \frac{ - 2 ± 6 }{2}[/tex]
[tex]x = \frac{ - 2 + 6}{2} = \frac{4}{2} = 2[/tex]
or
[tex]x = \frac{ - 2 - 6}{2} = \frac{ -8}{2} = - 4[/tex]
[tex] \fbox{x = -4} \: \sf or \: \fbox{ x = 2}[/tex]
[tex]\sf \small \pink{Thanks }\: \green{for} \: \blue{joining} \: \orange{brainly } \: \red{community}![/tex]
he altitude to the hypotenuse of a triangle with angles of 30 and 60 degrees is 3 units. what is the area of the triangle, in square units? express your answer in simplest radical form.
The area of the triangle is 6√3 square units.
What is the hypotenuse of a triangle?A triangle with a right angle or two perpendicular sides is referred to as a right triangle, a right-angled triangle, or perhaps more formally as an orthogonal triangle (formerly known as a rectangle triangle). Trigonometry's foundation is the relationship between the right triangle's sides and other angles.
According to the given data:The ratios of a given object's sides 30°-60°-90° triangle are 1 : √3: 2.This information allows us to calculate the lengths of something like the triangle's orthogonal sides.
3(2/√3) = 2√3 . . . . side AB in the attached figure.
And also:
2·3 = 6 . . . . . . . . . . side AC in the attached figure.
Then the area of the triangle is:
A = 1/2bh
A = 1/2(6)(2√3) = 6√3 . . . . square units.
the area of the triangle 6√3 square units.
To know more about hypotenuse visit:
https://brainly.com/question/24107292
#SPJ4
Find the value of x.
(4x+8) =
Answer:
Step-by-step explanation:
(4x+8)
4(x+2)
A linear function is shown on the graph.
a linear function beginning with closed circle at 0 comma 2 and ending with a closed circle at 4 comma 6
What is the domain of the function?
{x | 0 ≤ x ≤ 4}
{x | 0 < x < 4}
{y | 2 ≤ y ≤ 6}
{y | 2 < y < 6}
Answer:
A) {x | 0 ≤ x ≤ 4}Step-by-step explanation:
The x-coordinates form the domain.
We know the x-coordinates of the end points of the line, the first numbers in pair of coordinates:
x = 0 and x = 4Also, since both points are closed circles, the endpoints are included.
So the domain is the interval between 0 and 4, both inclusive.
This is shown as:
{x | 0 ≤ x ≤ 4}The matching answer choice is A.
The domain of the function includes all x-values from 0 to 4, including both 0 and 4.
So, the correct answer is option A: {[tex]{x | 0 \leq x \leq 4}\\[/tex]}.
The domain of a function refers to the set of all possible input values (x-values) for which the function is defined. In this case, the function begins with a closed circle at (0, 2) and ends with a closed circle at (4, 6), which means that the function is defined at these specific points.
Since the function is a linear function, it represents a straight line.
A linear function is continuous, and it extends indefinitely in both directions.
Therefore, any x-value between 0 and 4 will also be defined by the linear function.
In mathematical notation, we can represent the domain as:
Domain: {x | 0 ≤ x ≤ 4}
This means that the domain of the function includes all x-values from 0 to 4, including both 0 and 4.
So, the correct answer is option A: {[tex]{x | 0 \leq x \leq 4}\\[/tex]}.
To learn more on function click:
https://brainly.com/question/29204088
#SPJ3
complete question:
A linear function is shown on the graph.
a linear function that passes through the points (0, 2) and (4, 6)
What is the domain of the function?
[tex]{x | 0 \leq x \leq 4}\\{x | 0 < x < 4}\\{y | 2 \leq y \leq 6}\\{y | 2 < y < 6}[/tex]
graph is attached
- Find BC if B(8, -7) and C(-4, -2).
The line segment BC has a length of 13 units.
What is the length of a line segment?
In this question we know the locations of the two ends of a line segment. The procedure consists in calculating the vector behind the line segment and later determing its magnitude by Pythagorean theorem. If we know that B(x, y) = (8, - 7) and C(x, y) = (- 4, - 2), then the length of the line segment BC is:
BC = (- 4, - 2) - (8, - 7)
BC = (- 12, 5)
BC = √[(- 12)² + 5²]
BC = 13
The line segment BC has a length of 13 units.
To learn more on vectors and magnitudes: https://brainly.com/question/27870005
#SPJ1
Help please thank you
Answer: itll be 2/3 im pretty sure
Step-by-step explanation:
Given that 1 kilometer = 0.62 mile, 36 inches = 1 yard, and 1 mile = 1760 yards, approximately how many inches are in 1 km?
Given that 1 kilometer = 0.62 mile, 36 inches = 1 yard, and 1 mile = 1760 yards, 1 km has approximately 39,283.2 inches.
In mathematics, conversion is the process of changing the value of one form or unit to another. It can be changing ones unit of length, weight, volume or even currency to another.
A conversion factor is a number used to change one set of units to another, either by multiplying or dividing.
From the problem, the conversion factors are given as
1 kilometer = 0.62 mile
36 inches = 1 yard
1 mile = 1760 yards
To convert 1 kilometer into inches, first, convert 1 kilometer to miles using the conversion factor, 1 kilometer = 0.62 mile
1 km = 0.62 miles
Then, convert miles to yards using the conversion factor, 1 mile = 1760 yards
1 km = 0.62 miles = 0.62 (1760 yards)
1 km = 0.62 miles = 1091.2 yards
Lastly, convert yards to inches using the conversion factor, 36 inches = 1 yard
1 km = 0.62 miles = 1091.2 yards = 1091.2 (36 inches)
1 km = 0.62 miles = 1091.2 yards = 39,283.2 inches
To learn more about conversion: https://brainly.com/question/97386
#SPJ4
12.5% complete question a painting crew reported that a job is 35 completed. what fraction of the job remains to be done?
Answer:
13/20
Step-by-step explanation:
I hope this helps, have a great day :)
Solve the "or" inequality
7x-14 ≥0 or 4x+5 ≤ -3
The value of the inequality is a x ≥2 or x ≤ -2.
According to the statement
We have to find that the value in the inequality.
So, For this purpose, we know that the
Inequality is a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
From the given information:
7x-14 ≥0 or 4x+5 ≤ -3
The value of the inequality is a :
7x-14 ≥0 or 4x+5 ≤ -3
x ≥14/7 or x ≤ -3-5/4
x ≥2 or x ≤ -8/4
x ≥2 or x ≤ -2.
So, The value of the inequality is a x ≥2 or x ≤ -2.
Learn more about Inequality here
https://brainly.com/question/25275758
#SPJ9
13. The table shows the prices of several types of rice.
Thomas purchases 1.25 pounds of white long
grain rice and 2.25 pounds of brown jasmine rice.
If Thomas pays for his purchase with a $20 bill,
how much will he receive in change? Round the
answer to the nearest cent.
Rice
White Long Grain
White Basmati
Brown Jasmine
Cost (per lb)
$0.70
$1.85
$2.10
1.
2
HOW IS THE ANSWER HELP PLEASE✋
Hence the change that Jasmine is going to receive from the expenditure on the rice is $14.4
How to solve for the changeThe price of the white long grain rice = 0.70 dollars
The price of the brown jasmine rice is 2.10 dollars
The quantity that was bought from each is 1.25 and 2.25
Hence we would have the total expenses as
0.70 dollars x 1.25 and
2.10 dollars x 2.25
= 0.875 + 4.725
= 5.6 dollars
Hence the total expenditure that Jasmine has done is 5.6 dollars. The difference would be the change that he would receive.
= $20 - $5.6
= $14.4
Read more on price and quantity here:
https://brainly.com/question/2021001
#SPJ1
Which is 3 groups of 5?
3 + 5
5 - 3
3 × 5
5 ÷ 3
Answer: 3 groups of 5 = 5 + 5 + 5 = 15. 5 groups of 3 = 3 + 3 + 3 + 3 + 3 = 15. 3 groups of 5 has the same answer as 5 groups of 3! So, 3 x 5 = 5 x 3. This means that when you multiply 2 numbers, the order of the numbers (which number is first and which is second) does not matter, the answer will still be the same. Multiplication Terms
Step-by-step explanation: I hopes this helps.
7) Danice went to the grocery store and purchased 3 packets of noodles, 5 packets of cookies, and 2 packets of dry fruits. If the cost of each packet of noodles, cookies, and dry fruits is $2. $20 and 50 respectively. What is the total amount paid by Danice?
Answer: $206
Step-by-step explanation:
n=packets of noodles.
c=packets of cookies.
d=packets of dry fruit.
2n+20c+50d=
2(3)+20(5)+50(2)=
6+100+100=
6+200=$206
Find an equivalent fraction for the decimal number. In your final answer, include all of your work.
0. 61
61/100 is the equivalent fraction for the given decimal number.
A decimal number then has two components: a whole number part and a fractional part. The decimal place value system for the whole part of a decimal number is the same as the whole number value system. However, we get the fractional part of the decimal number as we move toward the right after the decimal point.
A fraction has two parts. The number on the top of the line is called the numerator. It tells how many equal parts of the whole or collection are taken. The number below the line is called the denominator. It shows the total number of equal parts the whole is divided into or the total number of the same objects in a collection.
for converting a decimal into a fraction we need to multiply and divide the decimal by the 10^n where n is the number of digits after the decimal.
61/100 is the equivalent fraction for the given decimal number.
For more information on fractions click on the link below:
https://brainly.com/question/78672
#SPJ4
Derek is going to lay grass in a
rectangular space that measures
8 by 33 feet. Find the total area
that will be covered by grass.
Answer:
264 square ft
Step-by-step explanation:
8*33=264
Solve for x in the diagram below.
Answer:
x = 6
Step-by-step explanation:
From the above diagram, we can deduce that:
5x + (x + 54) = 90 (Sum of Acute Angles)
Now, we can solve for x using this equation.
[tex]5x + (x + 54) = 90 \\ 6x + 54 = 90 \\ 6x + 54 - 54 = 90 - 54 \\ 6x = 36 \\ x = \frac{36}{6} \\ x = 6[/tex]
classify the following data. indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. the amount of time each of five randomly selected basketball players play during a game.
The given data is quantitative, continuous, ratio.
What is qualitative data?
Quantitative data is information that is expressed as counts or numbers, each of which has a specific numerical value. Data is any measurable information that may be used by academics for statistical analysis and mathematical computations so that they can derive practical conclusions.
Quantitative information provides answers to inquiries like "How many?," "How often?," and "How much?" Mathematical approaches may be used to easily verify and assess this data.
What is continuous and ratio data?
If a continuous variable has a meaningful zero point, it is regarded as a ratio (i.e., as in age or distance).
To learn more about different types of data from given link
https://brainly.com/question/1135243
#SPJ4
we both play a game where we flip a coin. you win if 3 heads appear, i win if 3 tails appear. what is the expected number of flips for the game to end.
Answer:
9
Step-by-step explanation:
9 because 3x3=9
Which is the correct answer
Answer:
b
Step-by-step explanation:
(x-8)(x+2)= x^2 - 6x - 16
Find the average rate F(x)=7x-12 from -2 to 3
The average rate of given function F(x) = 7x -12 from -2 to 3 is equal to 7.
As given in the question,
Given function F(x) = 7x -12
x₁= -2
x₂ =3
Average rate of the function F(x) is
= {F(x₂) - F(x₁)}/ (x₂ - x₁)
= [7(3)-12 - {7(-2)-12}]/ [3-(-2)]
=(21-12+14+12)/ 5
=35/5
=7
Therefore, the average rate of given function F(x) = 7x -12 from -2 to 3 is equal to 7.
Learn more about average rate here
brainly.com/question/12395856
#SPJ1
write the index notation of 3*3*3*3
Answer:
[tex]3^{4}[/tex]
Step-by-step explanation:
Because 3x3x3x3
3 multipily by 4 times as it's same number
Mr. Johnston supports a young tree by using a stake and a string forming a right angle with the ground.
60 in.
33 in.
What is the length of the string? Round to the nearest tenth.
Answer:68.48
Step-by-step explanation:a²+b²=c² a=60 b=33 so 60²+33²=4689 and take the square root of that which equals 68.48
Carter wants to ride his bicycle 28.7 miles this week. He has already ridden 17 miles. If he rides for 3 more days, write and solve an equation which can be used to determine mm, the average number of miles he would have to ride each day to meet his goal.
The equation which can be used to solve the the average number of miles he would have to ride to meet his target is 28.7 = 17 + 3x.
The solve equation is x = 3.9 miles.
How to find the number of miles he will ride each day with an equation?He wants to ride his bicycle 28.7 miles this week.
He has already ridden 17 miles.
He rides for 3 more days.
The equation which can be used to determine the average number of miles he would have to ride to meet his target can be calculated as follows:
The total distance to ride is 28.7 miles.
Therefore,
28.7 = 17 + 3x
where
x = number of miles he will travel for the remaining 3 daysTherefore,
28.7 = 17 + 3x
subtract 17 from both sides of the equation
28.7 = 17 + 3x
28.7 - 17 = 17 - 17 + 3x
11.7 = 3x
divide both sides by 3
3x / 3 = 11.7 / 3
x = 11.7 /3
x = 3.9
Therefore, he needs to travels 3.9 miles daily for 3 days.
learn more on equation here: https://brainly.com/question/28575558
#SPJ1
A square pyramid has a base with a side length of 6 meters. If the
slant height of the pyramid is 5 meters, what is the surface area of the
pyramid?
m²
Answer:
96
Step-by-step explanation:
?
The surface area of the square pyramid with length of the base 6m and slant height of the pyramid 5m is 96 m².
A square pyramid is a 3-D geometrical figure with the base of the shape of square and four triangular faces from each side of the square joining together at the top to form vertex.
The surface area of a square pyramid is given as:
Base area of the square face + 1/2 (perimeter of base × slant height)
Since square base has side of length 6m and the slant height of the pyramid is 5m then surface area is given by;
Surface area = (6×6) + 1/2 (4×6×5)
=> 36 + 1/2 (120)
=> 36 + 60
=> 96 m²
Thus, surface area of square pyramid is 96 m².
Learn more about Surface area of Square pyramid:
brainly.com/question/3453940
#SPJ1
A die is rolled twice.
What is the probability of rolling a 3 followed by a 2?
chance of 3 is 1/6 and chance of 2 is 1/6 so finale answer is 1/36
when constructing a congruent line segment does the ray needed for the construation have to be shorter than the line segment
The condition for two line segments to be congruent is that they must have equal length.
What is a line segment?
A geometrical figure which is a part of a straight line having two unique endpoints is called a line segment. Each point on the line segment lies within the two given endpoints
Explanation of the fact that for the two given line segments to be congruent, they must have the same length
The given statement is False. Because two line segments are said to be congruent if and only if they have exactly the same length. If we construct a ray shorter than the line segment, then both will never be congruent according to the properties of congruence. So, for these two to become congruent, they must have the same length.
Hence, we obtain that the two line segments are congruent if they have exactly the same length.
To learn more about the line segments, visit here:
https://brainly.com/question/19054042
#SPJ4