Two different expressions that represent the total bill, including both tax and tip for the meal sold by the restaurant, are:
c dollars + 5% of c dollars + 16% of c dollarsc dollars + 21% of c dollarsWhat expressions can we get for the total amount to be paid by the customer?To arrive at the amount to be paid by the customer, we first have to get the original amount that they should pay for the meal. Next, they are meant to apply the 16% tip for the total meal and this is gotten by calculating 16% of the total meal.
Next, we ought to get 5% of the sales tax which will also be applied to the total bill. When all of these are summed up, we will arrive at the total amount to be paid by the customer. Another way will be, to sum up, all of the percentages and apply them to the total bill.
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You are at the county fair on a Friday evening and the Ferris-wheel ride catches your
eye. The Ferris-wheel is 200 feet in diameter and the base of the Ferris-wheel is
raised 25 feet above the ground level. You board a compartment at the bottom of the
Ferris-wheel and rotate through 125 degrees counterclockwise. What is your total arc
length to the nearest foot (a whole number), that you have travelled, at the instant you
have rotated 125 degrees? Enter a number, for example, 47 into the textbox. Hint:
This question is about arc length not height.
Round your answer to the nearest foot (an integer).
Enter a whole number into the textbox.
the total arc length to the nearest foot if it is rotated 125° will be 218 feet.
Diameter of the Ferris wheel = 200 feet
radius of the Ferris wheel will be = 200 / 2 = 100 feet
Now, it has travelled 125° counterclockwise.
So, the arc length travelled will be:
Arc length = 2 π r ( 125° / 360°)
Arc length = 2 (22 / 7) (100) (125 / 360)
Arc length = 218.25 feet
rounding off to the nearest whole number, we get that:
Arc length = 218 feet.
Therefore, we get that, the total arc length to the nearest foot if it is rotated 125° will be 218 feet.
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In the figure below, G is between E and H, and F is the midpoint of EG. If EH = 10 and FG = 4, find GH.
Answer:
GH = 2
Step-by-step explanation:
since F is the midpoint of EG , then EF = FG = 4
EF + FG + GH = EH , that is
4 + 4 + GH = 10
8 + GH = 10 ( subtract 8 from both sides )
GH = 2
1) Draw a small graph on your paper, and graph the following line: y = 2x + 3
The equation y = 2x + 3 is in its slope-intercept form in which slope = 2 and y-intercept is 3.
If the slope is 2, then this means that the rise = 2 and the run = 1.
[tex]slope=\frac{rise}{run}=\frac{2}{1}=2[/tex]Knowing the slope and the y-intercept, let's now graph the line.
Let's remove the indication of the slope, here is the graph of the line y = 2x + 3.
2 x 10 to the power of negative 6 times what number is equal to 6 x 10 to the power of negative 4?
State the slope of each line-without rewriting the equation in y = mx + b form:
a. Given the expression of the form Ax + By + C = 0, the slope is
[tex]\text{slope}=\frac{-A}{B}[/tex]In this case: A = -2 and B = 3.
[tex]\text{slope}=\frac{-(-2)}{3}=\frac{2}{3}[/tex]Answer: 2/3
b. A = -4 and B = 1, so
[tex]\text{slope}=\frac{-(-4)}{1}=4[/tex]Answer: 4
c. A = 5 and B = -7, so
[tex]\text{slope}=\frac{-5}{-7}=\frac{5}{7}[/tex]Answer: 5/7
d. A = 5 and B = -8, so
[tex]\text{slope}=\frac{-5}{-8}=\frac{5}{8}[/tex]Answer: 5/8
If (8^7)^2 = 2^y, what number is y?
For the given expression (8^7)^2 = 2^y , the number equals to y is 42.
As given in the question,
Given expression :
(8⁷)² = [tex]2^{y}[/tex]
Simplify the given expression by using law of exponents :
Here the law of product of exponents or product law of exponents (power or index) has been applied under which [tex](8^{7})^{2} = 8^{7times2} = 8^{14}[/tex]
( 8¹⁴ ) = [tex]2^{y}[/tex]
⇒ (2³)¹⁴ = [tex]2^{y}[/tex]
⇒ 2⁴² = [tex]2^{y}[/tex]
Comparing the exponents i. e. power (or index), since the base is common, Also when two exponential numbers with common base are equal, their exponents (power or index) can be equated.
Number equals to represent the value of y is 42
Therefore, for the given expression (8^7)^2 = 2^y , the number equals to y is 42.
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Need help for this
Answer:
[tex]1. a=-10[/tex]
[tex]2. b=-0.2[/tex]
[tex]3. c=0.25[/tex]
Step-by-step explanation:
1. 1/5a = -2
a=-10
2. 8+b=7.8
b=-0.2
3.-0.5=-2c
c=0.25
:]
(Brainliest would help a lot) Tell me if this is incorrect!
-4+8=
-23+-1=
help me guys
Step-by-step explanation:
-4+8=4
-23+-1=-24
this is correct answer
The midpoint of AB is M(-3, 5). If the coordinates of A are (-4, 6), what are the
coordinates of B?
Answer:
(-2, 4)
Step-by-step explanation:
Midpoints
x = (x1 + x2)/2
y = (y1 + y2)/2
so
-3 = (-4 + x2)/2
x2 - 4 = -6
x2 = -2
5 = (6 + y2)/2
y2 + 6 = 10
y2 = 4
i needed help with the problem. didn't understand it.
Answer:
a
Step-by-step explanation:
as all the other points had inflection
Jane wants to rent a boat and spend less than $75. The boat costs $8 per hour, and Jane has a discount coupon for $5 off. What are the possible numbers ofhours Jane could rent the boat?Use t for the number of hours.Write your answer as an inequality solved for t.
Jane wants to rent a boat and spend less than $75.
The boat costs $8 per hour, and Jane has a discount coupon for $5 off
Let t for the number of hours
Then we can write the following inequality
[tex]8t-5<75[/tex]The discount coupon is being subtracted since it was off.
Let us solve the inequality for t
Step 1: Add 5 to both sides of the inequality
[tex]\begin{gathered} 8t-5+5<75+5 \\ 8t<80 \end{gathered}[/tex]
Step 2:
Divide both sides of the inequality by 8
[tex]\begin{gathered} \frac{8t}{8}<\frac{80}{8} \\ t<10 \end{gathered}[/tex]This means that Jane could rent the boat for less than 10 hours
[tex]t<10[/tex]Use basic facts and patterns to find 30x30
Answer: Well, 10 x 3, 10 x 3
Step-by-step explanation: I think thats what you are asking?
Tavon has a gift card for $175 that loses $4 for each 30-day period it is not used. He has another gift card for $155 that loses $3.50 for each 30-day period it is not used. a. Write and solve an equation for the number of 30-day periods until the value of the gift cards will be equal. b. What will the value of each card be when they have equal value? a. If x is the number of 30-day periods, then the equation can be used to find the number of 30-day periods until the values of the gift cards will be equal. (Type an equation. Use integers or decimals for any numbers in the equation.)
Answer:
A) 40
B) $ 15
Step-by-step explanation:
A)An equation for the number of 30-day periods until the value of the gift cards will be equal
Let x be the number of time periods for which the gift card is not used, then
For the gift card $ 155 if it is not used for x periods, then the amount that will be lost is
155 - 3.50 x---------------------(1)
For the gift card $ 135 if it is not used for x periods, then the amount that will be lost is
135 - 3x---------------------- (2)
Now when both the amount lost is equal
solving the equation, we get
20 = 0.5x
x = 40Thus the value of gift cards will be equal for 40 ,30 day periods. B)The value of each card be when they have equal value The two cards will have equal value after 40 30 day periods, this denotes that at this time, the value of each card will be equal.Then substituting x = 40, we get when they have equal value, the value of each card will be $15
I need help with this one
Translation: add or subtract to the coordinates x ,y
A = (3,2)
A'= (6,-2)
(3+3, 2-4 ) = (6,2)
Solution:
(x,y) (x+3,y-4)→
Mr. Anderson decides to visit a childhood friend. His car gives him 24.23 miles to the gallon. Mr. Anderson has 4 gallons of fuel. Which of the following is true?
A: Mr. Anderson can travel 48.46 miles.
B: Mr. Anderson can travel 112.92 miles.
C: Mr. Anderson can travel 96.92 miles.
D: Mr. Anderson can travel 80.92 miles.
Answer:
C
Step-by-step explanation:
multiply 24.23 by 4
I would appreciate it if anyone could help?
:)
The most appropriate choice for corrosponding angle will be given by-
x = 2 is the correct answer
What is corrosponding angle?
At first we need to understood what is angle, parallel lines and transversal
Angle
When two straight lines intersect, an angle is formed. The point of intersection is called the vertex of the angle and the lines are called the arms of the angle.
Parallel lines
Two lines are said to be parallel if on extending them indefinitely, they will never intersect
Transversal
Transversal is a line that intersects two or more parallel lines
Corrosponding angle
The angles formed in the same position on the same side of transversal when a transversal cuts two or more parallel lines
Here,
(7x + 3)° and (8x + 1)° are corrosponding angles.
Lines m and n are parallel.
So corrosponding angles are equals
By the problem,
(7x + 3) = (8x + 1)
8x - 7x = 3 - 1
x = 2
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find each angle measure
The measure of angle A in triangle ABC is 90 degrees.
What is the measure of angle A?An isosceles triangle is a triangle that has at least two sides of equal length.
Since side AC the same as side AB, this forms an isosceles triangle and angle C is the same as angle B.
Hence;
Angle A = 4xAngle C = 2xAngle B = 2xNote that, the sum of the interior angle of a triangle is 180°
Hence
Angle A + Angle B + Angle C = 180°
4x + 2x + 2x = 180
Solve for x
8x = 180
Divide both sides by 8
8x/8 = 180/8
x = 180/8
x = 22.5
Now, we find measure of angle A.
Angle A = 4x
Plug in x = 22.5
Angle A = 4( 22.5 )
Measure of angle A = 90°
Therefore, the measure of angle A in the isosceles triangle is 90°.
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Which one doesn't belong and explain
Answer:
The first one
Step-by-step explanation:
The first quotient (7) is different from the other three (0.7)
Hope this helps
The area of a rectangular pool is 8217m2. If the Length of pool is 99m, what is its width
The width of rectangle is 83 meter.
What is the area of rectangle?
By dividing the rectangle's length by its breadth, we may determine the area of a rectangle.
Formulas for rectangles.
Formula for the perimeter of a rectangle. Rectangle Area Formula: P = 2 (l + b). A = l × b, where l is length of rectangle and b is width of rectangle.
Given area of rectangle is 8217m^2
length l = 99 m
Let width of rectangle be b meter
Therefore,
99 x b = 8217
=> b = 8217/99
=> b = 83
Therefore, the width of rectangle is 83 m.
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Ms.Torres was driving at a constant speed she drove 178 1/2 miles in 4 1/2 hours after 4 1/4 hours she stay driving in the city and decided to lower her speed she brought down her speed to 3/4 of her original speed what was her new speed
The new speed of Ms.Torres is 119/4 miles/ hour for the driving.
What is referred as the term speed?The definition of speed is the rate at which an object's position changes in any direction. Speed is described as the ratio of distance traveled to time spent traveling. Because it has only one direction and no magnitude, speed is a scalar quantity.For the given question;
The distance covered by Ms.Torres; 178 1/2 miles
Convert mixed fraction to fraction; 357/2 miles.
The time taken by Ms.Torres; 4 1/2 hours
Convert mixed fraction to fraction; 9/2 hours.
Speed = distance/ time
Speed = 357/2 miles/9/2 hours
Original Speed = 119/3 miles/ hour.
Now, the speed covered by her is 3/4 of the original speed.
Thus,
= (3/4)×(119/3)
= 119/4
Therefore, the new speed of Ms.Torres is 119/4 miles/ hour.
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0.867, 0.086, 0.008, and 0.870 smallest to largest
Answer:
Smallest to largest would be:
0.008, 0.086, 0.867, 0.870
Step-by-step explanation:
math.
A submarine descended 500 feet below sea level
The submarine is at a position of -775 feet or 775 feet below sea level.
Here, we assume that the submarine was originally at the sea level, which means it was at position 0.
It then descended 500 feet below sea level. Which means it is now at a position of 500 feet below sea level. This, can be written as-
0 - 500
= -500 feet
Further, it is given that the submarine descended another 275 feet. This means that from -500 feet it further descended 275 feet. This can be written as-
-500 - 275
= -775 feet
Thus, the submarine is at a position of -775 feet or 775 feet below sea level.
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Your question was incomplete. Check for full content below-
A submarine descended 500 feet below sea level. It then descended another 275 feet. Write and then evaluate a subtraction expression to determine the new position of the submarine.
This table represents equivalent ratios. What are the values of a and b?
Ths values of a and b in the equivalent ratio illustrated on the table will be 6 and 12
How to calculate the value?It should be noted that from the information given, the relationship that exist between the numbers is illustrated as:
y = 0.8x
Therefore, when y is 4.8, the value of x will be:
y = 0.8x
x = 4.8 / 0.8
x = 6
When x = 15, the value of y will be:
y = 0.8x
y = 0.8 × 15
y = 12
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Find the scale factor from triangle A to triangle B:
Answer:
Step-by-step explanation:
x=3?
Answer:
3
Step-by-step explanation:
If you multiply 1 by 3 it gives you 3, the side of triangle B. Using that scale factor. you can then take the side of triangle B that is 9 and divide it by 3. That gives you the missing side of triangle A.
Hope this helps! :)
Only question #15,17, and 19 please show work THANK YOU
15) Magnitude of projection is 6.325
17) Projection is <-3.6, 10.8>
19) The acute angle between and vector is 34.509°.
The magnitude of the projection of A vector onto B vector could be deduced as,
Proj V(a) ÷ V(b) = (V(a) · V(b)) ÷ |V(b)|
15) Given, coordinates <8,-4> and <1,-3>
|V(b)| = √((1)² + (-3)²)
|V(b)| = √(1+9)
|V(b)| = √10
Proj V(a) ÷ V(b) = (V(a) · V(b)) ÷ |V(b)|
Proj V(a) ÷ V(b) = (8, -4) · (1, -3) ÷ √10
Proj V(a) ÷ V(b) = (8 + 12) ÷ √10
Proj V(a) ÷ V(b) = 20 ÷ √10
Proj V(a) ÷ V(b) = 2√10 = 6.325
17) Given, coordinates <-6,10> and <1,-3>
Projection = Proj V(a) ÷ V(b) = ((V(a) · V(b)) ÷ |V(b)|) × <1, -3>
|V(b)| = √((1)² + (-3)²)
|V(b)| = √(1+9)
|V(b)| = √10
Proj V(a) ÷ V(b) = (V(a) · V(b)) ÷ |V(b)| × <1, -3>
Proj V(a) ÷ V(b) = ((-6, 10) + (1, (-3)) ÷ √10) × <1, -3>
Proj V(a) ÷ V(b) = ((-6 × 1) + (10 × (-3)²) ÷ √10) × <1, -3>
Proj V(a) ÷ V(b) = ((-6 + 90) ÷ √10) × <1, -3>
Proj V(a) ÷ V(b) = ((84) ÷ √5) × <1, -3>
Proj V(a) ÷ V(b) = <-3.6, 10.8>
19) The vector are <2,3> and <-5,-2>. The acute angle between and vector is 34.509°.
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Combine like terms to create an equivalent expression.
Enter any coefficients as simplified proper or improper fractions or integers. 2/5m - 4/5 - 3/5 m
After combining the given expression [2/5m - 4/5 - 3/5m], the resultant expression is [-1/5m - 4/5].
What are expressions?A number, a variable, or a combination of numbers, variables, and operation symbols make up an expression. Two expressions joined by an equal sign form an equation. Word illustration: The product of 8 and 3. Word illustration: The product of 8 and 3 is 11So, 2/5m - 4/5 - 3/5m:
Now, evaluate the expression as follows:
2/5m - 4/5 - 3/5m2/5m - 3/5m - 4/5(2 - 3)/5m - 4/5-1/5m - 4/5Therefore, after combining the given expression [2/5m - 4/5 - 3/5m], the resultant expression is [-1/5m - 4/5].
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Jean is trying to prove parallelogram LMNO is a rhombus by using coordinate geometry.
Which statement must be true to prove LMNO is a rhombus?
A) (slope of line MO)(slope of line LN) = -1
B) (slope of line MO)(slope of line LN) = 1
C) the midpoint of line MO is the midpoint of line LN
D) the distance from M to O = the distance from L to N
Answer:
D
Step-by-step explanation:
A and B don't prove anything because we have the slopes of sides LM and ON to worry about. C could mean that yes, the figure is a quadrilateral, but with those parameters it could be a square, a rectangle, or trapezoid. Therefore D is the correct answer
Diagonal Mo bisects diagonal LN.
Midpoint of line MO = Midpoint of line LN
Option C is the correct answer.
What is a parallelogram?Parallelogram is a quadrilateral that has two pairs of parallel sides.
In a parallelogram, opposite sides and angles are equal.
The adjacent angles add up to 180 degrees.
We have,
In a rhombus,
- All sides are equal
- Opposite sides are parallel
- Diagonals bisect each other
- opposite angles are equal
Now,
Midpoint of line MO = Midpoint of line LN
Since diagonals bisect each other
Thus,
Diagonal Mo bisects diagonal LN.
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Write an equation for the function graphed below. The y intercept is at (0,0.2)
Equation for the function graphed is f(x) = -0.6 (x - 1)² ÷ (x + 1)(x + 3)
Given, the y-intercept is at (0, 0.2).
From the given graph, it can be deduced the vertical asymptotes are at x = -1, x = 1 and x = -3.
Which implies denominator is 0 and the function is undefined for x = -1, x = 1 or x = -3.
So, -1 and -3. are the roots of the denominator. As a result, the denominator equation has the form: (x + 1)(x + 3).
For finding the equation of the function f(x) = a(x - 1)² ÷ (x + 1)(x + 3)
Put f(0) = 0.2
f(0) = a(0 - 1)² ÷ (0 + 1)(0 + 3) = 0.2
a = - 0.6
∴ Equation is f(x) = -0.6(x - 1)² ÷ (x + 1)(x + 3) for y-intercept is at (0,0.2).
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match the lettered entries in matrices a, b, and ab to their values.
Given:
The matrics
[tex]\begin{gathered} A=\begin{bmatrix}{a} & {2} & {3} \\ {4} & {b} & {6} \\ {c} & {8} & {-7}\end{bmatrix} \\ B=\begin{bmatrix}{5} & {1} & {-2} \\ {-1} & {3} & {4} \\ {2} & {d} & {e}\end{bmatrix} \\ AB=\begin{bmatrix}{14} & {-1} & {f} \\ {20} & {22} & {70} \\ {-27} & {44} & {-1}\end{bmatrix} \end{gathered}[/tex]Required:
Match lettered entries in the matrices A, B and AC to their values.
Explanation:
First multiply matrices A with B
[tex]\begin{gathered} AB=\begin{bmatrix}{a} & {2} & {3} \\ {4} & {b} & {6} \\ {c} & {8} & {-7}\end{bmatrix}\begin{bmatrix}{5} & {1} & {-2} \\ {-1} & {3} & {4} \\ {2} & {d} & {e}\end{bmatrix} \\ \begin{bmatrix}{5a-2+6} & {a+6+3d} & {-2a+8+3e} \\ {20-b+12} & {4+3b+6d} & {-8+4b+6e} \\ {5c-8-14} & {c+24-7d} & {-2c+32-7e}\end{bmatrix}=\begin{bmatrix}{14} & {-1} & {f} \\ {20} & {22} & {70} \\ {-27} & {44} & {-1}\end{bmatrix} \end{gathered}[/tex]Now we can find values of a, b, c, d, e and f from equating two matrices as:
[tex]\begin{gathered} 20-b+12=20 \\ b=12 \end{gathered}[/tex][tex]\begin{gathered} 5a-2+6=14 \\ a=2 \end{gathered}[/tex][tex]\begin{gathered} a+6+3d=-1 \\ 2+6+3d=-1 \\ 3d=-9 \\ d=-3 \end{gathered}[/tex][tex]\begin{gathered} -8+4b+6e=70 \\ -8+48+6e=70 \\ 6e=30 \\ e=5 \end{gathered}[/tex][tex]\begin{gathered} 5c-8-14=-27 \\ 5c=-5 \\ c=-1 \end{gathered}[/tex][tex]\begin{gathered} -2a+8+3e=f \\ -2(2)+8+3(5)=f \\ -4+8+15=f \\ 4+15=f \\ f=19 \end{gathered}[/tex]Answer:
The values are a = 2, b = 12, c = -1, d = -3, e = 5 and f = 19.
Find the surface area and volume of the solid. Round each measure to the nearest tenth, if necessary.
The volume and the surface area of the right cylinder are equal to 468π cubic inches and 228π square inches. (Correct choice: B)
How to determine the surface area and the volume of a right cylinder
In this problem we find a right cylinder, whose height (h), in inches, and radius (r), in inches, are described in the figure and are needed to calculate the volume (V), in cubic inches, and the surface area (A), in square inches, of the solid. The formulas are described below:
Volume
V = π · r² · h
Surface area
A = 2π · r² + 2π · r · h
If we know that r = 6 in and h = 13 in, then the volume and the surface area of the cylinder are, respectively:
Volume
V = π · (6 in)² · (13 in)
V = 468π in³
Surface area
A = 2π · (6 in)² + 2π · (6 in) · (13 in)
A = 228π in²
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