Answer:
need more information to answer
1. Write and solve an equation for the following statement: Eight less than one-third of a number,
Answer: (1/3)x - 8
Step-by-step explanation:
one - third means 1/3
one - third of a number means (1/3)x
( x being the number )
Eight less means -8
Eight less than 1/3 of an number is (1/3)x - 8
What is the range of f(x)=−3x−1?
Answer:
(−∞,1/3)∪(1/3,∞),{yly≠1/3}
Step-by-step explanation:
a certain washing machine uses 29 gallons of water for each load of laundry washed. How many gallons of water would the washing machine use for 156 loads of laundry?
Answer:156
Step-by-step explanation:
Only 9 people can be in a roller coaster cart. How many people can fit in nine train carts
Answer:
81 people
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The cost to attend a public university in a recent year is $16,241. The circle graph to
the right shows the percentage of that cost for tuition/fees, room, board, and
computer costs. Determine the cost, in dollars, for each category.
The cost of tuition and fees is $.
(Round to the nearest cent as needed.)
The cost of room is $.
(Round to the nearest cent as needed.)
The cost of board is $.
(Round to the nearest cent as needed.)
The computer costs are $
(Round to the nearest cent as needed.)
Cost to Attend a Public University
Tuition/Fees 36.9%
Room 31.5%
Board 24.9%
Computer costs 6.7%
Using the circle graph, the costs to attend the public university are as follows:
cost of tuition and fees = $ 5992.93cost of room = $5115.92cost of board = $ 4044.01computer cost = $1088.15How to find cost using circle graph or pie chart?A circle graph, or a pie chart, is used to visualize information and data.
Therefore, the circle graph is shows the percentage cost for tuition/fees, room, board, and computer costs.
The cost to attend a public university in a recent year is $16,241.
Using the pie chart, let's find the cost of the various fees.
Therefore,
cost of tuition and fees = 36.9% of 16,241
cost of tuition and fees = 36.9 / 100 × 16241
cost of tuition and fees = 599292.9 / 100
Therefore,
cost of tuition and fees = $ 5992.929
cost of room = 31.5% × 16241
cost of room = 31.5 / 100 × 16241
cost of room = $5115.915
Hence,
cost of board = 24.9% of 16241
cost of board = 24.9 / 100 × 16241
cost of board = $ 4044.009
Hence,
computer cost = 6.7% of 16241
computer cost = 6.7 / 100 × 16241
computer cost = $1088.147
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Use the number line to plot –3, 1, and 3.
Which statements are true
Select all that apply.
–3 > 1
–3 = 3
1 < 3
–3 < 1
The number line with the numbers -3, 1 and 3 is shown by the image at the end of the answer.
The correct statements regarding the number line are given as follows:
1 < 3.–3 < 1.How to plot an integer number on the number line?Integer numbers are numbers that do not have decimal parts, they are either positive or negative, but exact.
These numbers are plotted marking a symbol such as a X or a circle on the number line.
The number line is increasing, so the negative numbers appear before the positive numbers.
This means that if a number a is to the left another number b, the number a is less than b, hence:
1 < 3–3 < 1.As the order in which the numbers appear is given as follows:
-3, 1 and 3.
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What does “more than” mean in math?
Means if a number is bigger than other number.
what is the inequality of the length of a rectangle is 1 unit more than its width.the width of the rectangle is 2 units and the length of the wire that is used to make this rectangle is a maximum of 57 units. what represent this situation using an inequality
Representing length and width relationship of a rectangle, and the perimeter given by length of wire using inequality gives
Perimeter = 2(L + W) ≤ 57 units How to determine the inequality that shows the length and width of a rectangleThe perimeter of a rectangle, P is given by the formula
P = 2(L + W) ≤ 57 units of wire
width, W = 2 units
length, L = 1 + W
= 1 + 2
= 3
The perimeter of the rectangle is given by
P = 2(L + W)
plugging the values of L and W
P = 2 (3 + 1)
P = 2 (4 )
P = 8 units
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The given graph of the function is increasing in the interval (-∞,-6),(-4,-1)(3,6), and (8,∞).
What is a function?A function is defined as the expression that set up the relationship between the dependent variable and the independent variable. A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.
Given that the graph of the function has increased and decreasing orders on the coordinate plane.
The interval in which the given graph of the function is increasing is,
(-∞,-6)
(-4,-1)
(3,6)
(8,∞)
Therefore, the given graph of the function is increasing in the interval (-∞,-6),(-4,-1)(3,6), and (8,∞).
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1. What is the missing number 56/7=?-5
Answer:
13
Step-by-step explanation:
56/7 = 8
13 - 5 = 8
15/7 = 13 - 5
The missing number in the expression is 13.
We have,
To find the missing number in the equation 56 / 7 =? - 5, solve for the unknown value.
Unknown value = x
Starting with the equation 56 / 7 = x - 5, simplify the left side:
56 / 7 = x - 5
8 = x - 5
x = 8 + 5
x = 13
Thus,
The missing number in the expression is 13.
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A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1487 and the standard deviation was 314. The test scores of four students selected at randon
1870, 1250, 2170, and 1390. Find the z-scores that correspond to each value and determine whether any of the values are unusual.
If a standardized exam's scores are normally distributed. The z-scores that correspond to each value are 1.22, -0.75, 2.18,- 0.31.
How to find the z-score?mu = population mean = 1487
sigma = population standard deviation = 314
x =1870
z = (x - mu)/σ
z = (1870-1487)/314
z = 1.22 (approximately)
x =1250
z = (x - mu)/σ
z = (1250-1487)/314
z = -0.75
x =2170
z = (x - mu)/σ
z = (2170-1487)/314
z = 2.18 (approximately)
x =1390
z = (x - mu)/σ
z = (1390-1487)/314
z = -0.31 (approximately)
Therefore the z-scores that correspond to each value are 1.22, -0.75, 2.18,- 0.31.
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Choose which property of equality is demonstrated.
a. AB = AB
a. Use the points (5, 1273) and (10, 2546) to write an equation for the line.
Type an equation in y=mx form
(Type an equation: Use integers or fractions for any numbers in the equation.)
Using the points (5, 1273) and (10, 2546), equation for the line is 5y = 1273x.
Define equation.There are many different ways to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign. Mathematical algebraic equations typically have one or more variables.
Given,
Coordinates (5, 1273) and (10,2546)
For slope, m
m = y₂ - y₁/ x₂ - x₁
m = 2546 - 1273/10 -5
m = 1273/5
Equation in y = mx form,
y = 1273/5 x
Cross multiplying,
5y = 1273x
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Fin the measurement of the angle
A=
B=
C=
D=
E=
F=
G=
45°
Answer:
Step-by-step explanation:
A=60
B=75
C=45
D=60
E=75
F=45
G=90
Differentiate the function with respect to x.
When we differentiate the given function with respect to x we get
(30x⁶ + 20x⁵ - 30x⁴ - 24x³)/ (5x²-3)²
what is Differentiation?
Differentiate is used for calculating rates of change.
How to Differentiate function?
Some of the formulas are; Power Rule: (d/dx) (xn ) = nxn⁻¹. Derivative of a constant, a: (d/dx) (a) = 0.
Here, we have
y = 2x⁵ + 2x⁴ / 5x² -3
when we differentiate a given function with respect to x, we get
dy/dx = {(5x² -3)(10x⁴ + 8x³)} - {(2x⁵ + 2x⁴)(10x -3)}/(5x -3)²
dy/dx = (30x⁶ + 20x⁵ - 30x⁴ - 24x³)/ (5x²-3)²
Hence, after differentiating the given function with respect to x, we get
(30x⁶ + 20x⁵ - 30x⁴ - 24x³)/ (5x²-3)²
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The function g(x)=3x^3+x is an odd function.Which transformation of g(x) would result in odd functions?Check all that apply
The transformations of g(x) that would result in odd functions are (a)-g(x) , (b)g(2x) and (d)g(–x) ,
In the question ,
it is given that,
the function is g(x) = 3x³ + x
We know that the function f(x) is called an odd function if f(-x) = -f(x) .
Option(a)
the transformation is given as -g(x)
-g(x) = -(3x³ + x) = -3x³ - x
g(-x) = 3(-x)³ + (-x) = -3x³ - x
so , this is odd function .
Option (b)
the transformation is given as g(2x)
g(-2x) = 3(-2x)³ + (-2x) = -24x³ - 2x
-g(2x) = -{3(2x)³ + (2x)} = -( 24x³ + 2x ) = -24x³ - 2x
so , this is odd function .
Option (c)
the transformation is given as g(x)-3
(g(-x) - 3) = 3(-x)³ + (-x) - 3 = -3x³-x-3
-(g(x) - 3) = -{(3x³ + x) -3} = -3x³ - x +3
So, so , this is not an odd function
Option (d)
the transformation is given as g(-x)
g(-(-x)) = g(x) = 3x³+x
-g(-x) = -(3(-x)³ + (-x)) = -(-3x³ - x) = 3x³+x
so , this is odd function .
Therefore, the odd transformations are -g(x) , g(2x) and g(–x) ,
The given question is incomplete , the complete question is
The function g(x)=3x³+x is an odd function. Which transformation of g(x) would result in odd functions? Check all that apply
(a) -g(x)
(b) g(2x)
(c) g(x) − 3
(d) g(–x)
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Write an equation for line L in point-slope form and slope-intercept form?
L is perpendicular to y=5x
Write an equation for the line L in point - slope form
The linear equation in the slope-intercept is:
y = (-1/5)*x - 26/5
And it can be written as:
y = (-1/5)*(x + 1) - 5
How to find the equation for line L?
We can write the equation for line L as:
y = a*x +b
Where a is the slope and b is the y-intercept.
Two lines are perpendicular if the product between the slopes is equal to -1.
So if we want our line to be perpendicular to y= 5x, then we must have:
a*5 = -1
a = -1/5
So our line is something like:
y = (-1/5)*x + b
And the line passes through (-1, -5), replacing these values:
-5 = (-1/5)*-1 + b
-5 = 1/5 + b
-5 - 1/5 = b
-26/5 = b
The linear equation is:
y = (-1/5)*x - 26/5
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Levine Labs used 50,000 ounces of specimen adhesive during the year. The direct materials standard allows 1.50 ounces of adhesive at a price of $0.40 per ounce for each pathology test. The direct materials quantity variance was $880 Favorable.
How many pathology tests did Levine Labs complete during the year?
(Round per unit value to 2 decimal places, e.g. 15.25 and final answer to O decimal places, e.g. 125.)
Pathology tests ____?
The number of pathology tests that were completed during the year by Levine Labs are 34,800 tests.
What is the calculation showing the above answer?Note that Material quantity variation - Material quantity variation describes the cost difference caused by variations in the actual material used and the standard material to be utilized.
Material quantity Variance =
(Actual material used- Standard material used) x Standard cost
(50000-no of test x 1.5) x 0.4 = -880
-2200 = 50000-(No of test*1.5)
No of test x 1.5 = 52,200
No of test = 52,200/1.5
No of test = 34,800
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At one time the thickness of different gauges of stainless
steel were given in fractions of an inch. Today, these
thicknesses are listed as decimal numbers. Convert each of
the following fractional thicknesses to decimal form.
A fraction can be converted into decimal form by dividing it. The answer to these parts are in main body.
What is a decimal?
When we divide a whole into smaller parts, we get decimals. Then, there are two parts to a decimal number: a whole number part and a fractional part. The whole component of a decimal number has the same decimal place value system as the complete number.
Main Body:
a) 15/32 = 0.4688
b) 13/64 = 0.2031
c) 9/16 = 0.5625
d) 5/8 = 0.625
e) 7/80 = 0.0875
f) 29/1280 = 0.0227
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Hayley's fuel bills for her house increased from £76 a month in 2021
to £89 a month in 2022. Calculate the percentage increase in Hayley's
fuel bills from 2021 to 2022.
Give your answer correct to three significant figures.
The percentage increase in Hayley's fuel bills from 2021 to 2022 is equal to 17.105%.
What is a Percentage Increase?
The phrase "percentage increase" (or "percentage change" in general) refers to the difference between the final and starting values of a quantity, expressed as a percentage of that number's original value.
Steps to Calculate Percentage Increase?
The formula to calculate Increase (I) is given by, [tex]I=Y-X[/tex], where [tex]X[/tex] is the original value and [tex]Y[/tex] is the new value.The percentage increase formula is given by, [tex]\%I=\frac{I}{X} \times 100[/tex]Here, in the question, it is given that,
The original amount (X) or the fuel bill in 2021 is £76.
The new amount (Y) or the fuel bill in 2022 is £89.
So, the Increase (I) in the fuel bills from 2021 and 2022 is calculated as,
[tex]I=Y-X\\\implies I=89-76\\\implies I=13[/tex]
Now, we can calculate the percentage increase in fuel bills from 2021 to 2022 as,
[tex]\%I=\frac{I}{X} \times 100\\\implies \%I=\frac{13}{76} \times 100\\\implies \%I=17.105\%[/tex]
Therefore, the percentage increase in Hayley's fuel bills from 2021 to 2022 is 17.105%.
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5.
A car service charges $2.40 for driving 1 mile. How much does the company charge for
driving 12.45 miles?
) (
$14.85
$24.85
$27.48
$29.88
Show Your Work
Answer:
Step-by-step explanation:
$2.40 12.45 mi
___ * ___ = ? ;
1 mi. 1
The units of miles— "mi" —cancel out to "1" ;
since: " mi/ mi = 1 "
and we have:
$2.40 * 12.45 = ? ;
= $29. 88 ; {using a calculator};
⇒ which corresponds to: Answer choice: [D]: $29.88 .
_____
Hope this is helpful!
Best wishes!
_____
Use the compound interest formula to compute the total amount accumulated and the interest earned.
$3000 for 3 years at %4 compounded semiannually.
The amount in the account is ____.
(Do not round until the final answer. Then round to the nearest cent as needed.)
The amount in the account is $3499. 2
How to determine the compound interestThe formula for determining compound interest is given as;
A = P ( 1 + r/ n) ^nt
Given that;
A is the final amountP is the principal amountr is the ratet is the time taken n is the number of times interest applied per periodSubstitute the values into the formula, we have;
A = $3000 ( 1 + 0. 04 / 0. 5) ^(0.5× 4)
Find the exponential value
A = $3000 ( 1 + 0. 04 / 0. 5) ^2
A = $3000( 1+ 0. 08)^2
Expand the bracket, we get;
A = $3000 (1. 08)^2
A = $3000(1. 17)
multiply through
A = $3499. 2
Hence, the value is $3499. 2
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What value of k will translate the graph of f(x) = 5x + 6 down by 1 when replaced by f(x) + k?
Step-by-step explanation:
"down by one" means that the y values (the function result values) are all decreased by 1.
so, k = -1
(PLEASE OPEN) Need help with triangle proofs.
The missing terms in the two column proof are;
Reason 1; Perpendicular bisector
Reason 2; Definition of perpendicular bisector
Statement 3; CO ≅ BO
Reason 3; Segment division
Reason 4; Reflexive Property of Congruence
Reason 5; Definition of Isosceles Triangle
Reason 6; AAS Congruency Postulate
How to carry out two column proof of triangles?From the given image, we want to use the two column proof to prove that ΔAOB ≅ ΔAOC
Now, we have the two column proof as follows;
Statement 1; AO ⊥ BC
Reason 1; Perpendicular bisector
Statement 2; ∠AOB and ∠AOC are right angles
Reason 2; Definition of perpendicular bisector
Statement 3; CO ≅ BO
Reason 3; Segment division
Statement 4; AO ≅ AO
Reason 4; Reflexive Property of Congruence
Statement 5; AB ≅ AC
Reason 5; Definition of Isosceles Triangle
Statement 6; ΔAOB ≅ ΔAOC
Reason 6; AAS Congruency Postulate
The final proof is AAS Congruency postulate because it has 2 congruent angles and the non-included congruent side.
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(2/7 , −3) ; r = 6 standard form of circle
Question 9 of 10
Solve (x-3)² = 5.
A. x=-3+√√5
B. x=3+√5
C. x = 8 and x = -2
OD. x=5± √√3
Answer:
B (x = 3 + √5)
Explanation:
x² + 9 = 5
Take square root of both sides
x + 3 = ± √5
Add 3 to both sides
x = 3 + √5 or x = 3 - √5
Which graph represents the solution of -3m < 15?
6x-5=6x-5 pls help fast
Answer:
0=0
Step-by-step explanation:
Answer: Infinite Solutions
Step-by-step explanation:
Hello! Let's solve this equation.
[tex]\textbf{First, add 5 to both sides.}[/tex][tex]\sf{6x-5=6x-5}[/tex]
↓
[tex]\sf{6x=6x-5+5}[/tex]
↓
[tex]\sf{6x=6x}[/tex]
[tex]\textbf{Next, subtract 6x from both sides.}[/tex][tex]\sf{6x-6x}[/tex]
↓
[tex]\sf{0}[/tex]
[tex]\textbf{So as you see, all the terms \textit{cancel out.}}\\\textbf{The \textsf{given equation} has \textit{\underline{infinite solutions.}}}\\\textbf{The equation is true for any x-value.}[/tex]
[tex]_ < \!\!\!\rule{300}{1}\!\!\!_ >[/tex]
Anna makes a round pizza. She wants to put a cheese layer on the pizza. If the
pizza is 11 in in diameter, how many square cm of cheese layer does she need
to put on the pizza?
The number of square cm of cheese layers that Anna needs to put on the pizza is 30.25π square cm.
What is the area of a circle?
In geometry, the area of a circle is the space occupied by the circle.
To find the area of a circle having radius "r", we can use the formula.
Area of a circle = π×r².
In the given question, the diameter of the pizza is 11 cm.
so the radius will be = 11/2 = 5.5 cm.
Area of the pizza = π×r²
= π×(5.5)²
= 30.25π square cm.
Hence, the number of square cm of cheese layers that need to be put on the pizza is 30.25π square cm.
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estimate each sum or difference.
74/10+42/5
The sum of the fraction 74/10 + 42/5 is 15 4/5.
What is a fraction?A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In a simple fraction, the numerator as well as the denominator are both integers.
In this case, the fraction will be illustrated as:
= 74/10 + 42/5
Change to mixed numbers
= 7 4/10 + 8 2/5
= 7 4/10 + 8 4/10
= 15 8/10
= 15 4/5
The value is 15 4/5.
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