Answer:
y - 2 = x + 3
y = x + 5
-x + y = 5 standard form
which expression represents 4 times as much as 12
Answer:
4x+12
Step-by-step explanation:
An expression is a mathematical sentence that doesn't end in an equal sign. This question is asking for you to find four times as much as 12, but doesn't explain what number or phrase you need to find it for. We would replace the unknown number with the variable X.
I may be confusing this with another subject, so sorry if I am! Hope this helps!
The expression which represents 4 times as much as 12 is, [tex]4x=12[/tex]
Let us consider that number is x.
Since, 4 times of number is equal to 12.
So that, [tex]4*x=12\\\\4x=12[/tex]
Hence, the expression which represents 4 times as much as 12 is, [tex]4x=12[/tex]
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can someone help me please
What is 8,147 ÷ 24 with a remainder
Answer:
339 R11
Step-by-step explanation:
8,147 ÷ 24 = 339 R11
What is the solution of square 2x+4=16?
A)x=6
B)x=72
C)x=126
D)no solution
Answer:
Its 126 i think
Step-by-step explanation:
Answer:
C) x=126
Step-by-step explanation:
Fred is a server at a restaurant. On average, he can serve 6 tables per hour. Fred earns between $3.08 and $5.23 in gratuity per table. Which is a reasonable amount of gratuity that Fred earned in a 33 hour work week? A. $1,584.00 B. $24.00 C. $792.00 D. $132.00
Answer:
C. $792.00
Step-by-step explanation:
33 hours Fred can serve 33 x 6 = 198 tables
minimum gratuity : 3.08 x 198 = 609.8
maximum : 5.23 x 198 = 1035.5
Therefore $792.00 is a reasonable amount
what is the degree of differential equation? ?
Answer:
Degree = 1
Step-by-step explanation:
Given:
The differential equation is given as:
[tex]\frac{d^2y}{dx^2}+(\frac{dy}{dx})^2+6y=0[/tex]
The given differential equation is of the order 2 as the derivative is done 2 times as evident from the first term of the differential equation.
The degree of a differential equation is the exponent of the term which is the order of the differential equation. The terms which represents the differential equation must satisfy the following points:
They must be free from fractional terms.Shouldn't have derivatives in any fraction.The highest order term shouldn't be exponential, logarithmic or trigonometric function.The above differential equation doesn't involve any of the above conditions. The exponent to which the first term is raised is 1.
Therefore, the degree of the given differential equation is 1.
Francis is constructing a line parallel to EF through point G.
What step should be his next step?
With the compass point on G and a wider opening
.than was used to construct the first arc, construct
an arc that intersects GD and EF.
o
With the compass point on G and the same
opening that was used to construct the first arc,
construct an arc that intersects GD on the
opposite side of point A and extends to the right of
point G.
With the compass point on A and the same
opening that was used to construct the first arc,
construct an arc that intersects GD on the same
side of point A as point G and extends to the right
of point G.
With the compass point on G and a wider opening
than was used to construct the first arc, construct
an arc that intersects EF twice
Answer:
Hope I helped!
Step-by-step explanation:
To construct a parallel line, set the compass to the same opening used for the first arc and draw an arc from point G that intersects line GD. This creates a parallel line to line EF through G.
Explanation:To construct a line parallel to EF through point G, Francis should set the compass point on G and adjust the compass to the same opening that was used to construct the first arc. He then needs to create an arc that intersects GD on the opposite side of point A and extends to the right of point G. This step ensures that the line through G will have the same angle with GD as EF does with GD, allowing it to be parallel to EF.
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Negative 3 is twice as large as a number,h
Answer:
negative 6 is the answer
Step-by-step explanation:
The circumference of a circle is 3.2mm.
Find the length of the diameter.
Give your answer rounded to 3 SF.
The diameter of circle is 1.018 mm.
Step-by-step explanation:
Given,
Circumference of circle = 3.2 mm
We know that;
Circumference = 2πr
[tex]3.2=2\pi r\\[/tex]
Putting π=22/7
[tex]3.2=2*\frac{22}{7}*r\\3.2=\frac{44}{7}r[/tex]
Multiplying both sides by 7/44
[tex]\frac{7}{44}*3.2=\frac{7}{44}*\frac{44}{7}r\\\\\frac{22.4}{44}=r\\\\r=0.509[/tex]
Diameter = 2r
Diameter = 2*0.509
Diameter = 1.018 mm
The diameter of circle is 1.018 mm.
Keywords: circle, circumference
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Devon needs a wood board with an area of 516 square yard to complete a project. If the wood board is 13 yard wide, how long must the board be?
Answer:
[tex]L=\frac{15}{16}\ yd[/tex]
Step-by-step explanation:
The correct question is
Devon needs a wood board with an area of 5/16 square yard to complete a project. If the wood board is 1/3 yard wide, how long must the board be?
we know that
The area of a rectangle is equal to
[tex]A=LW[/tex]
where
L is the length
W is the width
we have
[tex]A=\frac{5}{16}\ yd^2\\\\W=\frac{1}{3}\ yd[/tex]
substitute
[tex]\frac{5}{16}=L(\frac{1}{3})[/tex]
solve for L
[tex]L=\frac{5}{16}(3)[/tex]
[tex]L=\frac{15}{16}\ yd[/tex]
The length of the wood board must be approximately 39.69 yards.
Explanation:To find the length of the board, we need to divide the total area by the width of the board. The area of the board is 516 square yards and the width is 13 yards.
Therefore, the length of the board can be found by dividing 516 by 13.
516 ÷ 13 = 39.69 yards.
So, the board must be approximately 39.69 yards long to complete the project.
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What is 3(1+6r)=14-12
Answer:
r = 0.055555.....
Step-by-step explanation:
3(1+6r)=14-12 Write out formula.
3+18r=2 Distributive Property Form.
(3-3)+18r=2-3 Subtract 3 to both sides.
(18/18)r=-1/18 Divide both sides by 18
r=0.055555..... or -1/18.
i have 150 i share one third how much did i share
Answer:
50
Step-by-step explanation:
150 divided by 3 is 50 and since you shared only one third the answer will be 50
Answer:50
Step-by-step explanation:
One third equals 1/3 of 150
1/3 ×150 =50
MR Arsalan bought a plot of land for rs 108 000 and sold it for a profit of 20% at what price did he sold at
Answer:
The plot of land was sold for rs 129,600
Step-by-step explanation:
The cost of the plot of land = rs 108,000
Profit calculation ( 20% x 108,000) = rs 21,600
Price land was sold = (108,000 + 21,600) = 129,600
A computer can sort x objects in t seconds, as modeled by the functio
below:
1=0.005x2 + 0.002.x
How many objects are required to keep the computer busy for exactly
seconds?
Round to the nearest whole object.
Question:
A computer can sort x objects in t seconds, as modeled by the function below:
t=0.005x^2+0.002x
How many objects are required to keep the computer busy for exactly 9 seconds?
Round to the nearest whole object.
Answer:
42 objects are required to keep the computer busy for exactly 9 seconds
Solution:
Given function is:
Computer can sort x objects in t seconds, as modeled by the function below:
[tex]t = 0.005x^2+0.002x[/tex]
We have to find number of objects required to keep the computer busy for exactly 9 seconds
Therefore t = 9
Substitute t = 9 in given function
[tex]9 = 0.005x^2+0.002x\\\\0.005x^2+0.002x - 9 = 0[/tex]
Let us solve the above equation by quadratic formula,
[tex]\text {For a quadratic equation } a x^{2}+b x+c=0, \text { where } a \neq 0\\\\x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}[/tex]
Using the above formula,
[tex]\text{ for } 0.005x^2+0.002x - 9 = 0 , \text{ we have } a = 0.005 ; b = 0.002 ; c = -9[/tex]
Substituting the values of a = 0.005 ; b = 0.002 ; c = -9 in above quadratic formula we get,
[tex]\begin{aligned}&x=\frac{-0.002 \pm \sqrt{0.180004}}{0.01}\\\\&x=\frac{-0.002 \pm 0.4242}{0.01}\\\\&x=\frac{-0.002+0.4242}{0.01} \text { or } x=\frac{-0.002-0.4242}{0.01}\\\\&x=42.22 \text { or } x=-42.62\end{aligned}[/tex]
Ignoring negative value,
x = 42.22 ≈ 42
Thus 42 objects are required to keep the computer busy for exactly 9 seconds
What is the process of converting a fraction to a decimal?
8/12 in 0.667 (right?), but i dont actually know the process to figuring it out.
thank youu
You would use long division to determine that 8/12 = 0.667 approximately. The steps would go something like this
-------------
Step 1) Write 8 under a long division bar and place 12 to the left and outside the bar
Step 2) Change the 8 into 8.0000 (you can have as many trailing zeros as you want)
Step 3) While 12 doesn't go into 8, 12 does go into 80. So you can think of 8.0 as 80. Ask yourself "how many times does 12 go into 80?". The answer is 6 times because 6*12 = 72 (note how 7*12 = 84 is too big). So we write a "6" above the 8.0000 such that it is above the first "0". So far we have 0.6 as the quotient.
Step 4) Multiply that 6 by 12 to get 72. We write the 72 under the 80 and then subtract to get 80 - 72 = 8. Pull down the second 0 from "8.0000" to change that 8 into 80.
Step 5) We effectively repeat steps 3 and 4 again. So thats why we get another 6 as the next part of the quotient, and why the 6's repeat forever. The only reason why there's a 7 at the end is because of rounding.
-----------------------
The long division is shown in the image attachment below. The gridlines are there to show how things line up though when you write out the long division steps (to show to your teacher) you wont use any grid lines.
side note: the fraction 8/12 reduces to 2/3. You divide both top and bottom by the GCF 4. So 8/4 = 2 and 12/4 = 3.
Identify the equation of the linear function through the points (- 2,- 7) and (1,2). Then state the rate of change of the function. What is the equation of the linear function? A. y = 3x - 1 B. y = - 3x - 1 C. y = 3x + 1 D. y = -3x + 1 The rate of change is ( ? ).
Answer:
y = 3x - 1
The rate of change of the function is 3.
Step-by-step explanation:
The equation of the linear function through the points (- 2, - 7)and (1,2) will be given by
[tex]\frac{y - ( - 7)}{- 7 - 2} = \frac{x - (- 2)}{- 2 - 1}[/tex]
⇒ (y + 7) = 3(x + 2)
⇒ y = 3x - 1 (Answer)
Now, the rate of change of the function is the slope of the line i.e. 3. (Answer)
We know the equation of a straight line which passes through the points [tex](x_{1}, y_{1})[/tex] and [tex](x_{2}, y_{2})[/tex] is given by
[tex]\frac{y - y_{1}}{y_{1} - y_{2}} = \frac{x - x_{1}}{x_{1} - x_{2}}[/tex]
Tarzan loaded 3 trucks in 6 minutes. At that rate, how many trucks would he load in 5 hours?
Answer:
150
Step-by-step explanation:
60 minutes in 1 hour
3x10= 30 in one hour
30x5=150 30 trucks in 5 hours
Tarzan can load 150 trucks in 5 hours.
To calculate how many trucks Tarzan can load in 5 hours based on the rate that he loaded 3 trucks in 6 minutes. First, we convert 5 hours into minutes to match the units of the given rate. There are 60 minutes in 1 hour, so 5 hours is 300 minutes (5 hours x 60 minutes/hour). Next, we need to find out how many 6-minute intervals there are in 300 minutes, which is 300 minutes / 6 minutes/intervals = 50 intervals. Since Tarzan loads 3 trucks per interval, we multiply the number of intervals by the number of trucks per interval to get the total number of trucks loaded in 5 hours: 50 intervals x 3 trucks/interval = 150 trucks.
Lines c and d are parallel. The equation of line c is y=−3x−5. What is the equation of line d?
Answer: y = -3x - 5
Step-by-step explanation: since the two lines are parallel, it implies that
m1 = m2. From the equation given,
m1 = -3 , m2 = -3
Substantial for m2 in y = mx + c
We now have
y = -3x - 5 since the new line is not passing through any coordinate.
Answer:
The answer is y=-3x-2
I hope it's not too late;)
Step-by-step explanation:
The sales tax in your city is 8.8%, point, 8, percent, and an item costs $63$, before tax.
How much tax would you pay on that item?
Round to the nearest hundredth or cent.
You would pay $5.54 on that item.
Step-by-step explanation:
Given,
Cost of item = $63
Sales tax rate = 8.8%
Amount of sales tax = 8.8% of cost of item
Amount of sales tax = [tex]\frac{8.8}{100}*63[/tex]
Amount of sales tax = [tex]\frac{554.4}{100}[/tex]
Amount of sales tax = $5.54
You would pay $5.54 on that item.
Keywords: percentage, division
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3. READING Alejandro read 4 pages in a book in 6
minutes. How long would you expect him to take to
read 6 pages at this rate?
Alejandro read 4 pages in 6 minutes, then it would take him 9 minutes to read 6 pages
Solution:
Given that Alejandro read 4 pages in a book in 6 minutes
Therefore,
4 pages = 6 minutes
Let us find the time taken to read 1 page
time taken to read 1 page = time taken to read 4 pages divided by 4
[tex]\text{ time taken to read 1 page } = \frac{6 minutes}{4} = \frac{3}{2} minutes[/tex]
Thus to read 6 pages at this rate, multiply time taken to read 1 page by 6
[tex]\rightarrow \frac{3}{2} \times 6 = 9[/tex]
Therefore it would take 9 minutes to read 6 pages
A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candle has a radius of 0.5
Inches and a height of 3 inches. The other two candles are scaled versions of the smallest, with scale factors of 2 and 3. How much wax is
needed to create one set of candles?
OA 27 cubic inches
B.
C.
D.
36 cubic inches
53 cubic inches
86 cubic inches
E.
98
cubic inches
Next
The amount of wax needed to create one set of candles is 84.75 cubic inches.
What is a cylinder?A cylinder is a 3-D figure that has a radius and a height.
The volume of a cylinder is given as πr²h.
Example:
The volume of a cup with a height of 5 cm and a radius of 2 cm is
Volume.
= 3.14 x 2 x 2 x 5
= 62.8 cm³
We have,
Let's calculate the volume of each candle and then add them together to find the total wax needed for one set of candles.
For the smallest candle, the radius is 0.5 inches and the height is 3 inches, so the volume is:
V1 = π x (0.5)² x (3) = 0.75π cubic inches
For the medium-sized candle, the radius is twice as big, or 1 inch, and the height is twice as big, or 6 inches. So the volume is:
V2 = π x (1)² x (6) = 6π cubic inches
For the largest candle, the radius is three times as big, or 1.5 inches, and the height is three times as big, or 9 inches.
V3 = π x (1.5)² x (9) = 20.25π cubic inches
To find the total wax needed for one set of candles, we add up the volumes:
V (total) = V1 + V2 + V3
= 0.75π + 6π + 20.25π
= 27π cubic inches
= 27 x 3.14
= 84.78 cubic inches
Therefore,
The amount of wax needed to create one set of candles is 84.75 cubic inches.
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The cost y (in dollars) for x ounces of peanuts is
represented by the equation y = 0.23x. The cost y
(in dollars) for x ounces of pecans is represented by
the equation y = 0.45x. Which statement is true?
Select all that apply.
A The cost for peanuts is $0.22 per ounce less than
the cost for pecans.
B The cost for peanuts is greater than the cost
for pecans.
C The cost for 8 ounces of peanuts is $3.60.
D The cost for 8 ounces of pecans is $3.60.
Answer:
Options A and D are correct.
Step-by-step explanation:
The cost y (in dollars) for x ounces of peanuts is represented by the equation
[tex]y=0.23x[/tex] .... (1)
It means the cost of each ounce of peanuts is $0.23.
The cost y (in dollars) for x ounces of pecans is represented by the equation
[tex]y=0.45x[/tex] .... (2)
It means the cost of each ounce of pecans is $0.45.
$0.45 > $0.23
It means the cost for pecans is greater than the cost of peanuts. Option B is incorrect.
[tex]\$0.45-\ $0.23=\$0.22[/tex]
The cost for peanuts is $0.22 per ounce less than the cost for pecans. Option A is correct.
Substitute x=8 in equation (1).
[tex]y=0.23(8)=1.84[/tex]
The cost for 8 ounces of peanuts is $1.84. Option C is incorrect.
Substitute x=8 in equation (2).
[tex]y=0.45(8)=3.6[/tex]
he cost for 8 ounces of pecans is $3.60.. Option D is correct.
If f (x) = 3 x squared and g (x) = 4 x cubed + 1, what is the degree of (f circle g) (x)?If f (x) = 3 x squared and g (x) = 4 x cubed + 1, what is the degree of (f circle g) (x)?
options are
2
3
5
6
Answer:
degree = 6
Step-by-step explanation:
Given [tex]f(x)=3x^2[/tex], and [tex]g(x)=4^3+1[/tex], we can find the composition of functions: [tex]fog(x)[/tex] by applying the definition of composition and performing the needed algebra.
Recall that the composition of functions is defined as: [tex]fog(x)=f(g(x))[/tex], where we use as input for the function f(x) the actual expression in terms of "x" of the function g(x):
[tex]f(g(x))=f(4x^3+1)\\f(g(x))=3(4x^3+1)^2\\f(g(x))=3\,(4x^3+1)\,(4x^3+1)\\f(g(x))=3\,[16x^6+4x^3+4x^3+1]\\f(g(x))=3\,[16x^6+8x^3+1]\\f(g(x))=48x^6+24x^3+3[/tex]
Therefore, the degree of this expression is "6" (the highest power at which the variable "x" appears)
Answer:
the answer is 6
Step-by-step explanation:
don't have one
Can someone help me with this problem? I just can't seem to get the answer.
Answer:
[tex]\frac{9}{4}[/tex] or [tex]2\frac{1}{4}[/tex] or [tex]2.25[/tex]
Step-by-step explanation:
1 cm = 25000cm = 1/4 km. 9*1/4=9/4=2 1/4= 2.25
The top band in the state charges C(x)=55x+15,000, where x is the total number of attendees at the concert. The venue charges $70 per ticket. After how many people buy tickets does the venue break even, and what is the value of the total tickets sold at that point?
The venue will break even after selling 1000 tickets.
The value will be $70,000 at that point.
Step-by-step explanation:
Given,
Charges of band;
C(x) = 55x+15000
Per ticket charges by Venue = $70
V(x) = 70x
For breaking even,
C(x) = V(x)
[tex]55x+15000=70x\\15000=70x-55x\\15000=15x\\15x=15000[/tex]
Dividing both sides by 15
[tex]\frac{15x}{15}=\frac{15000}{15}\\x=1000[/tex]
The venue will break even after selling 1000 tickets.
Putting 1000 in V(x)
[tex]V(1000)=70(1000)\\V(1000)=70000[/tex]
The value will be $70,000 at that point.
Keywords: function, multiplication
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Expand
Your answer should be a polynomial in standard form
(
+1)(2-6)
Answer:
x^2 - 6x + x - 6
= x^2 - 5x - 6
A total of $11,000 is invested in two accounts. Part was invested at 4% and the rest was invested at 7%. If the investments earn $680 peer year, how much was invested at each rate? I=prt
Answer:
The amount invested at 4% was $3,000 and the amount invested at 7% was $8,000
Step-by-step explanation:
we know that
The simple interest formula is equal to
[tex]I=P(rt)[/tex]
where
I is the Final Interest Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
[tex]t=1\ year\\ P_1=x\\P_2=11,000-x\\I=\$680\\r_1=4\%=4/100=0.04\\r_2=7\%=7/100=0.07[/tex]
substitute in the formula above
[tex]I=P_1(r_1t)+P_2(r_2t)[/tex]
[tex]680=0.04x+(11,000-x)0.07[/tex]
solve for x
[tex]680=0.04x+770-0.07x[/tex]
[tex]0.07x-0.04x=770-680[/tex]
[tex]0.03x=90[/tex]
[tex]x=\$3,000[/tex]
so
[tex]\$11,000-x=\$11,000-\$3,000=\$8,000[/tex]
therefore
The amount invested at 4% was $3,000 and the amount invested at 7% was $8,000
Change to slope-intercept form. Then find the y-intercept, first point, and second point.
-x+3y>6
(choices in photo)
Answer:
1) [tex]y> \frac{x}{3}+2[/tex] 2) (0,2) 3) The first and second Points must have x coordinate <-6, or y-coordinate y >2 e.g. (-7,2), (-6,3)
Step-by-step explanation:
1) To Rewrite it as Slope-intercept form, is to isolate the y on the left side and on the right side the rest of the inequality.
[tex]-x+3y>6\Rightarrow 3y>x+6 \Rightarrow y> \frac{x+6}{3}\Rightarrow y> \frac{x}{3}+2[/tex]
2) Since this is a linear inequality the y intercept is given by "b" parameter.[tex]y> mx+b \Rightarrow y> \frac{x}{3}+2 \Rightarrow b=2[/tex]
So the y-intercept is y > 2, coordinate point (0,2). In the graph, we have a dashed line over 2.
3) Since there no choices, the points that satisfy this inequality lie within the green area. We know that the points for this inequality must satisfy x < -6 or y> 2:
Testing for (-7,2) for x<-6 ⇒-7 <-6
[tex]-x+3*y>6\\-(-7)+3*2>6\\7+6>6\\13>6\:\\True\\[/tex]
Testing for (-6,3) for y>2 ⇒3>2
[tex]-x+3*y>6\\-(-6)+3*3>6\\6+9>6\\15>6\:True\\[/tex]
Draw an angle for each measurement
in this way ,u can do other as well with the help of protractor...
Solve |12x + 1| = 10
(9/2, 11/2)
(-9/2, 9/2)
(-112.9/2)
|12x + 1| = 10
Remove the absolute value term and make two equations:
12x +1 = 10
12x +1 = -10
Now solve for both x values:
12x +1 = 10
Subtract 1 from both sides:
12x = 9
Divide both sides by 12:
x = 9/12
12x +1 = -10
Subtract 1 from both sides:
12x = -11
Divide both sides by 12:
x = -11/12
The answer would be (-11/12, 912)