Answer:
Your final answer is 15x+12
Step-by-step explanation:
Remove parathenes ( ) group like terms add similar elements add the numbers 5 + 7 = 12
Diana brought 8 3/5 yards of blue velvet material for a dress and coat. She used 3 4/5 yards on the coat. How much is left for the dress?
Answer:
4 4/5 yards are left
Step-by-step explanation:
7 8/5-3 4/5
8 out of 10 doctors use floss.
There are 40 doctors.
How many use floss?
Answer:
Step-by-step explanation:
8+8+8+8=32
The number of doctors who uses floss is 32 from a total of 40 doctors. This is because it is given that 8 out of 10 doctors use floss.
Given condition:Total number of doctors=40
Doctors who use floss per 10 members=8
Calculation:Since there are 40 doctors, there exist 4 groups and each group has 10 doctors.
It is given that per 10 doctors, 8 of them use floss. So, here 4 groups with every 10 doctors are available.
Thus,
On multiplying,
8 × 4 = 32
Therefore, 32 doctors among 40 doctors use floss.
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Please help ASAP URGENT Will mark Brianlest
The scatter plot shows the relationship between the average number of nightly customers and the number of months since a restaurant opened. The equation represents the linear model for this data.
y = 5x + 120
What does the number 5 in the equation mean in this context?
A. The restaurant has been open for 5 months.
B. There were 5 customers per month after the restaurant was open 120 months.
C. For every 5 months the restaurant has been open, there are 120 more customers per night.
D. The average number of customers per night increased by 5 each month.
E. There were 5 customers per night when the restaurant opened.
Answer:
A
Step-by-step explanation:
i used the process of elimination and got rid of answers that didnt make sense but based on the info given i could tell that x was 5 months because of where the point of 5 is on the graph
Answer:
It is D.
D. The average number of customers per night increased by 5 each month.
Step-by-step explanation:
The line is going up at +5 for every month. This means 5 customers are being added every month
Write -3/4 as either a terminating or repeating decimal
Answer:
Step-by-step explanation:
-3/4 = -0.75 (its terminating)
Answer:
Step-by-step explanation:
-3/4 = -0.75. It is terminating decimal
Mr. Kellen had an advertising budget of $50,000 to spend on advertisements for his company.
• He advertised in 7 different magazines.
• The least expensive advertisement cost $4,200.
• The most expensive advertisement cost $5,100.
Which value is a reasonable estimate of the amount of money remaining in the budget after Mr. Kellen paid for the 7 advertisements
Final answer:
To estimate the remaining advertisement budget, calculate the total possible maximum expense and subtract it from the initial budget, resulting in an approximate remaining amount of $14,300.
Explanation:
Mr. Kellen's starting budget for advertisements was $50,000. If I assume that each of the 7 advertisements costs about the maximum amount which is $5,100, the estimated total cost would be 7 times $5,100, which equals $35,700. So, a reasonable estimate of the amount of money remaining after paying for the advertisements is $50,000 - $35,700 = $14,300.
6x-5y=15. X=y+3. X= ?y=?
Answer:
x=0
y=-3
6x-5y=15
x=y+3
Replace x with y+3
6(y+3)-5y=15
Distribute
6y+18-5y=15
y= -3
x=0
The solution to the system of equations is x = 0 and y = -3.
To solve the system of equations:
1. 6x - 5y = 15
2. x = y + 3
We can substitute equation 2 into equation 1 to find the value of x, and then use that value to find the value of y.
Substituting equation 2 into equation 1:
[tex]\[6(y + 3) - 5y = 15\]\[6y + 18 - 5y = 15\]\[y + 18 = 15\]\[y = 15 - 18\]\[y = -3\]\\[/tex]
Now that we have found y, we can substitute this value back into equation 2 to find x:
[tex]\[x = (-3) + 3\]\[x = 0\][/tex]
So, the solution to the system of equations is x = 0 and y = -3.
Complete Question:
Solve the system of equations 6x-5y=15
x=y+3
x=
Y=
Two rectangular prisms have the same volume. The area of the base of the blue
prism is 2 square units. The area of the base of the red prism is one third that
of the blue prism. Which statement is true?
a)The height of the red prism is one-third the height of the blue prism.
b)The height of the red prism is the same as the height of the blue prism.
c)The height of the red prism is six times the height of the blue prism.
d)The height of the red prism is three times the height of the blue prism.
Answer:
d) the height of red prism is three times the height of the blue prism.
Step-by-step explanation:
i) the volume of a rectangular prism is given by area of base [tex]\times[/tex] height.
ii) volume of the blue prism is = (base of blue prism) [tex]\times[/tex] (height of blue prism)
iii) volume of red prism is = (base of red prism) [tex]\times[/tex] ( height of the red prism)
= [tex]\frac{1}{3}[/tex] [tex]\times[/tex] ( base of blue prism) [tex]\height[/tex][tex]\times[/tex] ( height of red prism)
iv) it is also given that
volume of blue prism = volume of red prism
⇒ (base of blue prism) [tex]\times[/tex] (height of blue prism) = (base of red prism)[tex]\times[/tex] (height of red prism)
⇒(base of blue prism) [tex]\times[/tex] (height of blue prism) = [tex]\frac{1}{3}[/tex] [tex]\times[/tex] ( base of blue prism)[tex]\times[/tex] (height of red prism)
⇒ (height of blue prism) = [tex]\frac{1}{3}[/tex] [tex]\times[/tex] (height of red prism)
∴ height of red prism = 3 [tex]\times[/tex] height of blue prism
Therefore the correct option is
d) the height of red prism is three times the height of the blue prism.
Which is the best estimate of the difference between 6 7/8 and 2 1/8
Answer: 19 /4 or 4 3/4
Step-by-step explanation:
Turn 67/8 into a improper fraction, which is 55/8
Next, also convert 21/8 into an improper fraction, which is 17/8
Next, subtract 17/8 from 55/8 and you should get 38/8
Last, simplify 38/8 to do so divide 38/8 by 4/4 and you should get 19/4 and if you want it's optional to turn it into a mixed number.
The estimate of the difference between the two fractions is: 4 3/4 = 4.75 ≈ 5.
What is the Difference between Fractions?To find the difference of two fractions means that subtract one from the other.
Thus:
Difference between 6 7/8 and 2 1/8 = 6 7/8 - 2 1/8
Change the mixed fraction to improper fractions
55/8 - 17/8
= (55 - 170/8
= 38/8 = 19/4
= 4 3/4 = 4.75 ≈ 5.
Therefore, the estimate of the difference between the two fractions is: 4 3/4 = 4.75 ≈ 5.
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SOLVE EACH EQUATION
7) 7(3 - 5k) - 4 = -263
8) 6(-5 - 5n) = 90
9) -6(8 + 2b) = -120
10) -168 = 7(8p - 8)
Answer:
7)k=-7.02
8)n=-4
9)b=-14
10)-2=p
Idk this is supper hard
Answer:
The equation of the line is: y = x + 4
Step-by-step explanation:
When we are given two points passing through a line, we can find the equation of the line by using two - point form.
Two - point form: [tex]$ \frac{\textbf{y - y}_\textbf{1}}{\textbf{y}_{\textbf{2}} \textbf{-} \textbf{y}_{\textbf{1}}} = \frac{{\textbf{x - x}_\textbf{1}}}{\textbf{x}_{\textbf{2}} \textbf{-} \textbf{x}_{\textbf{1}} }$[/tex]
where [tex]$ (x_1, y_1) \hspace{3mm} \& \hspace{3mm} (x_2, y_2) $[/tex] are the points passing through the line.
Here, let us take two points (can be any two):
[tex]$(x _1, y_1) = (1, 5) $[/tex] and
[tex]$ (x_2, y_2) = (5, 9) $[/tex]
Therefore, we have:
[tex]$ \frac{y - 5}{9 - 5} = \frac{x - 1}{5 - 1} $[/tex]
[tex]$ \iff \frac{y - 5}{4} = \frac{x - 1}{4} $[/tex]
[tex]$ \iff y - 5 = x - 1 $[/tex]
[tex]$ \implies y = x - 1 + 5 $[/tex]
[tex]$ \implies y = \textbf{x + 4} $[/tex] which is the required answer.
The football team had its photo taken there are 3 rows of 8 players each the fourth row has 6 players how many players are in the team photo?
Answer:
30 players.
Step-by-step explanation:
3 rows of 8 = 3 x 8 = 24. Plus an additional 6 players in the fourth row. 24 + 6 = 30.
The team photo consists of 30 players: 24 in the three full rows, each with 8 players, and 6 more players in the fourth row.
To find the total number of players in the team photo, you can simply add the number of players in each row together. In this case, there are three rows of 8 players each and a fourth row with 6 players.
First, calculate the total number of players in the three full rows, where each row has 8 players:
3 rows x 8 players/row = 24 players
Now, add the players from the fourth row:
24 players (from the full rows) + 6 players (from the fourth row) = 30 players
So, there are 30 players in the team photo.
In summary, the team photo includes 30 players, with 24 players in the three full rows of 8 each and an additional 6 players in the fourth row.
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At a cement plant, sand is stored in a container called a hopper. The shape of the container is an inverted cone. The height is 18 feet and the radius is 12 feet. If the hopper is full and sand is emptied at the rate of 4 ft3/min, how fast is the level of sand dropping when the sand level is 6 feet high? V = 1/3r2h
Answer:
[tex]v=\frac{0,25}{\pi } ft/min[/tex]
Step-by-step explanation:
There is a relation with the initial and final dimensions of the hopper according to the sand level when its high is 6 feet as follows:
[tex]\frac{h_{1} }{h_{2} }=\frac{r_{1} }{r_2}\\{r_2}=\frac{12ft*6ft}{18ft}\\ r_2=4ft[/tex]
Where the calculated [tex]r_{2}[/tex] is given with the 6 feet hgh.
Then we have the sand flow formula which is:
[tex]Q=A*v[/tex]
Where A represents the area of the transversal section and v the velocity that we need to know, the area is:
[tex]A=\pi r^{2}\\ A=\pi *4^{2}\\ A=16\pi ft^{2}[/tex]
And finally the sand is dropping when the level is 6 feet high with the velocity (v) :
[tex]v=\frac{Q}{A} \\v=\frac{4}{16\pi }[/tex]
[tex]v=\frac{0.25}{\pi } ft/min[/tex]
The sand level in the hopper is dropping at a rate of approximately 0.08 feet per minute when the sand level is 6 feet high. This is calculated using related rates and the volume formula for a cone. The relationship between radius and height, derivative calculations, and the given sand emptying rate are essential for this solution.
To determine how fast the level of sand is dropping in the hopper, we need to use related rates. The volume V of the sand in the inverted cone is given by the formula:
V = (1/3)πr2h
In this case, the radius r and height h of the sand level are proportional because the shape is a cone. We can express the radius r in terms of the height h using similar triangles. Given the overall height is 18 feet and the radius is 12 feet, we have:
r = (12/18)h or r = (2/3)h
Substituting r into the volume formula:
V = (1/3)π[(2/3)h]2h = (4/27)πh3
We need the rate of change of the height (dh/dt) when h = 6 feet. Given dV/dt = -4 ft³/min (negative because the volume is decreasing), we use the chain rule for differentiation:
dV/dt = (dV/dh)(dh/dt)
First, find dV/dh:
dV/dh = d/dh [(4/27)πh3] = (4/27)π × 3h2 = (4/9)πh2
Using dV/dt = -4 ft³/min:
-4 = (4/9)π(h2)(dh/dt)
When h = 6 feet:
-4 = (4/9)π(62)(dh/dt)
-4 = (4/9)π(36)(dh/dt) = 16π(dh/dt)
Therefore:
dh/dt = -4/16π = -1/4π
dh/dt = -0.08 feet/min
So, the level of sand is dropping at a rate of approximately 0.08 feet per minute when the sand level is 6 feet high.
Helpp please I don’t understand
Answer:
ok, so write down equation for circumference first, substituting pi symbol with 3.14, and substitute 8 for diameter, because the diameter of the circle and the height of rectangle is the same.
C=3.14×8
C=25.12
then you divide it by 2 because it's only half a circle.
25.12÷2=12.56
Next you find the perimeter of the rectangle
(10×2)+8=28
you dont add the right side,8, because that's where the half circle is. Now you add the half circle and the perimeter of the rectangle.
28+12.56=40.56
and then round to the nearest hundredth
A line passes through the point (8,-5) and has a slope of -3/4.
Write an equation in slope-intercept form for this line.
Answer: y= -3/4x + 1
Step-by-step explanation:
use the point to set up slope intercept to find you y-intercept (b)
(8,-5)
y=mx+b
-5=-3/4(8)+b
-5=-6+b
b=1
The equation of the line which passes through the point (8,-5) with a slope of -3/4, when written in slope-intercept form, is y = -3/4x + 1.
Explanation:The equation of a line in slope-intercept form is y = mx + b, where m is the slope of the line and b is the y-intercept. You've been provided that the slope m of the line is -3/4 and it passes through the point (8,-5). You can substitute these values into the formula to find the y-intercept b.
Substituting the given values into the formula gives -5 = (-3/4)*8 + b, which simplifies to -5 = -6 + b. By adding 6 to both sides of the equation, you find that b = 1.
So the equation of the line in slope-intercept form is y = -3/4x + 1.
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Estimate, then find the difference and write in simplest form 4 1/2-3 4/5
Answer:
7/10
Step-by-step explanation:
4 1/2=9/2
3 4/5=19/5
--------------
9/2-19/5=45/10-38/10=7/10
Sacha spent
of his time in study hall on science homework and
of his time on math homework. Which expression
can be used to determine how much more of the time in study hall Sacha spent on math than on science?
O 0.58 -0.28
O 0.058 -0.028
0.625 - 0.25
0.625 -0.025
Final answer:
The expression to determine how much more time Sacha spent on math than on science is y - x.
Explanation:
To determine how much more time Sacha spent on math than on science, we need to find the difference between the time spent on math and science. Let's say Sacha spent x amount of time on science and y amount of time on math. The expression that represents the difference between the time spent on math and science is y - x.
Therefore, the correct expression to determine how much more time Sacha spent on math than on science is y - x.
If y varies directly with x when y=16 and x=2.1, what is the value of x when y=4
Rounded to the nearest tenth
Answer: 0.53
Step-by-step explanation:
From variation ,
y ∞ x ------------------------------------------------1
y = kx , where k is called the constants of proportionality and must be calculated first before proceeding.
substitute for the values in equation 2 ,below
y = kx -----------------------------------------------2
16 = k2.1
k = 16/2.1
Now to find the value of x, make x the subject of the formula in equation 2
x = y/k
= 4/ 16/2.1
= 4 ÷ 16/2.1
= 4 x 2.1/16
= 2.1/4
= 0.525
≅ 0.53
In the inequality 1/ 2 x - 6 > 10, x represents Todd's age. Which phrase most accurately describes Todd's age? A) Todd is older than 32. B) Todd is younger than 32. C) Todd is exactly 32 years old. D) Todd is 32 years old or older.
Answer:
Option A) Todd is older than 32
Step-by-step explanation:
we have
[tex]\frac{1}{2}x-6>10[/tex]
Solve for x
Adds 6 both sides
[tex]\frac{1}{2}x>10+6\\\\\frac{1}{2}x>16[/tex]
Multiply by 2 both sides
[tex]x>32[/tex]
so
Todd's age is greater than 32
therefore
Todd is older than 32
please fill in the blanks for me i really need help strugaliing the formula is ..... y=mx+b
The complete function is: [tex]y = x+55[/tex]
Step-by-step explanation:
the given table represents a linear function
The linear function is represented by:
[tex]y = mx+b[/tex]
Here
m is the slope of function and b is the y-intercept
In this case, m will be calculated as:
[tex]m= \frac{Change\ in\ y}{Change\ in\ x}\\= \frac{61-60}{6-5}\\= 1[/tex]
Hence the slope is 1.
Putting in the equation
[tex]y = x+ b[/tex]
To find the value of b, we will put any pair of x and y in the equation
[tex]61 = 5 + b\\b = 60-5\\b = 55[/tex]
Hence,
The final equation for linear function is:
[tex]y = x + 55[/tex]
Keywords: Linear function, equation
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A car company charges $34 per day for a rented car and $0.50 for every mile driven. A second car rental company charges $20 per day and $0.75 for every mile driven. What is the number of miles at which both companies charge the same amount for a one-day rental?
Answer:o$1.50
Step-by-step explanation:
2 Points
Solve the equation 3x + 5y = 16 for y,
Answer:
y=16-3x/5
Step-by-step explanation:
I'm adding a pic of my solution. i hope you find it helpful.
The solution to the equation 3x + 5y = 16 for y is y = (16 - 3x) / 5. This is achieved by isolating y on one side of the equation.
Explanation:To solve the equation 3x + 5y = 16 for y, you first need to isolate y on one side of the equation. This can be done in the following steps:
Subtract 3x from both sides of the equation, which gives you 5y = 16 - 3x.Next, divide every term of the equation by 5 to solve for y, which gives you y = (16 - 3x)/5.So, the solution for y in terms of x is y = (16 - 3x)/5.
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Harry drew a number line to solve a word problem
Answer:
what is your question
Step-by-step explanation:
can i please have brainliest thx ! :)
The sum of two numbers is 30 and their difference is 12 find the two numbers
Answer:
The two numbers are 21 and 9.
Step-by-step explanation:
x+y=30
x-y=12
-------------
2x=42
x=42/2
x=21
21+y=30
y=30-21=9
graph the system of equations on a graph paper.
{8x + 6y = 48
{2x - 3y = -6
which statements are true about the solution to the system of equations? select each correct answer.
a) the ordered pair that is the solution to the system lies in quadrant II
b)the x-coordinate of the solution is -3
c) the ordered pair that is the solution to the system lies in quadrant I
d) the y-coordinate of the solution is 3
e) the y-coordinate if the solution is 4
f) the x-coordinate of the solution is 3
Answer:
Step-by-step explanation:
8x + 6y = 48.....reduces to 4x + 3y = 24
2x - 3y = -6
4x + 3y = 24
-------------------add
6x = 18
x = 18/6
x = 3
2x - 3y = -6
2(3) - 3y = -6
6 - 3y = -6
-3y = -6 - 6
-3y = -12
y = -12/-3
y = 4
solution is : (3,4)
the ordered pair (3,4) lies in quadrant I
the x coordinate of the solution is 3
the y coordinate of the solution is 4
The picture below illustrates a special type of conic section called
hyperbola. Which of the following offers the best description of hows
hyperbola is formed?
Answer:
A
Step-by-step explanation:
The picture below illustrates a hyperbola.
The intersecting plane does not pass through the vertex of a right circular cone (the vertex of the cone is the point where two nappes meet).
As you can see from the diagram, the plane intersects both nappes of a right circular cone.
Hence, correct option is option A: The plane does not pass through the vertex and intersects both nappes of a right circular cone.
1) find the measure <Ø. Round to one decimal place.
2.) find the measure of line BA. round to one decimal place
PLEASE ANSWER QUICKLY, 15 POINTS
Answer:
Θ = 45°
BA = [tex]3\sqrt{2}[/tex] = 4.243
Step-by-step explanation:
i) the given triangle is a right angled isosceles triangle.
ii) the base and the height are both equal. height = base = 3 cm.
iii) from the rule of triangles the sum of all angles in a triangle is 180° and since the triangle is an right angled isosceles triangle one angle is 90° and the other two angles are equal.
Therefore
Θ° + Θ° + 90° = 180° ⇒ 2Θ° = 180° - 90° = 90° ∴ Θ = 45°
iv) the hypotenuse BA is given by the Pythagoras' theorem
∴ hypotenuse (BA) = [tex]\sqrt{base^{2} + height^{2} }[/tex] = [tex]\sqrt{BC^{2} + CA^{2} }[/tex] = [tex]\sqrt{3^{2} + 3^{2} }[/tex] = [tex]3\sqrt{2}[/tex] = therefore BA = [tex]3\sqrt{2}[/tex] = 4.243
To accurately determine the measure of angle Ø and the length of line BA, specific information or data related to the geometry or vectors involved is required. The measure of angle Ø may be calculated using geometrical principles or trigonometry, and the length of line BA could be determined by measuring or calculation if the context is known.
Explanation:To find the measure of ∠Ø, you would typically need additional information such as the lengths of the sides of a triangle, the measures of other angles, or the coordinates of points if you are working with a graph. Similarly, to find the measure of line BA, information about the specific triangle, polygon, or coordinate grid where line BA exists is necessary. For example, using the Pythagorean theorem for a right-angled triangle or the distance formula for points on a coordinate grid.
If you are given the lengths of sides or the measures of angles, you can apply geometric principles or trigonometric ratios to calculate the desired measurements. Without the specific data or a provided figure, it's not possible to give an exact answer to these questions.
In the case of vector analysis, as mentioned in the reference provided, to measure line BA you would draw vectors on a graph and construct a parallelogram; the length of the diagonal could then be measured to find the result. For angles, you could use a protractor or apply trigonometric functions if you know the components of the vectors.
Write -2x = 5y + 9 in general form Ax + By + C = 0.
О — 2х = 5у +9
О 2x — Бу — 9 = 0
О 2х + 5у + 9 = 0
О 2x — Бу + 9 = 0
19 is 25 less than the product of 9 and a number numerical expression
19 = 9x - 25 is the numerical expression for 19 is 25 less than the product of 9 and a number
Solution:
Given statement:
19 is 25 less than the product of 9 and a number
We have to write the numerical expression for given statement
Let the number be "x"
From given information,
19 is 25 less than the product of 9 and a number
"product" means multiplication
And "less than" means subtracted or reduced by
Therefore,
Product of 9 and a number is translated as [tex]9 \times x[/tex]
Therefore, given statement is written numerically as:
19 = 25 less than the product of 9 and a number
[tex]19 = (9 \times x) - 25[/tex]
[tex]19=9x-25[/tex]
Thus the expression is found
A square is cut out of a circle whose diameter is approximately 14 feet. What is the approximate area (shaded region) of the remaining portion of the circle in square feet?
A.25 feet
B.40 feet
C.50 feet
D.80 feet
Answer:)
C. 50 feet^2
Step-by-step explanation:
Area of circle
A = Pi r^2 (radius is 7)
A= 153.86
Area of square
A = a^2
A= 10^2
A=100
From circle area substract square area
153.86 - 100 = 53.86
Using the formula V equales l multiplied by w and h find the volume of a right rectangular prism when the length of the prism in 45 cm, the width is 12cm and the height is 10 cm
Answer:
Therefore volume 'V' is given by V = 45 × 12 × 10 = 5400 [tex]cm^{3}[/tex]
Step-by-step explanation:
i) given the formula V = l × w × h where V is the volume of a right rectangular prism and 'l' is the length of the prism base and 'w' is the width of the prism base and 'h' is the height of the rectangular prism.
ii) the length of the base 'l' is given as l = 45 cm.
iii) the width of the base 'w' is given as w = 12 cm
iv) the height of the prism 'h' is given as h = 10 cm.
v) Therefore volume 'V' is given by V = 45 × 12 × 10 = 5400 [tex]cm^{3}[/tex]