how would I do this??
[tex]\begin{array}{ccll} miles&gallons\\ \cline{1-2} 350 & 20\\ 875& g \end{array} \implies \cfrac{350}{875}~~=~~\cfrac{20}{g} \\\\\\ \cfrac{2}{5}=\cfrac{20}{g}\implies 2g=100\implies g=\cfrac{100}{2}\implies g=50[/tex]
Help! What does “n=[?]” equal?
The value of the side length n is 15 units.
According to the question we have been given that ΔABC ≈ ΔQRS
And we know that when two triangles are similar then their corresponding sides are proportional to each other that is
[tex]\frac{AB}{QR} = \frac{BC}{RS} = \frac{AC}{QS}[/tex] (1)
Now we need to find the value of n which is the length of RS
To find the value of n we will use the above equation (1), we get
The values that we have been given are :
AC = 2 , BC = 6 and QS = 5 , RS = n
We use the proportion,
[tex]\frac{BC}{RS} = \frac{AC}{QS}[/tex]
[tex]\frac{6}{n} = \frac{2}{5}\\n = \frac{6}{2} * 5\\n = 15[/tex]
Hence the value of the side length n is 15 units.
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A football team has attempted 6 running plays. The change in field position resulting from each play is shown in the table. Running Play Outcomes Play 1 − 3 yards Play 2 2 yards Play 3 − 1 yard Play 4 − 2 yards Play 5 − 3 yards Play 6 1 yard What is the average change in field position per running play? Responses − 6 yards per play negative 6 yards per play − 1 yard per play negative 1 yard per play 0 yards per play 0 yards per play 1 yard per play 1 yard per play
1 yard is added to the field position on average for each running play.
What does "Average" mean?In plain English, an average is a single number chosen to represent a group of numbers; it is often the sum of the numbers divided by the number of numbers in the group. For instance, based on the information provided, the average of the digits 2, 3, 4, 7, and 9 is 5.
Detailed explanation:
A data set's average can be calculated by:
Average = sum of data values/ total number of values
Given: The total number of plays =6
Sum of the change in field position resulting from each play is given by :-
sum =-3+2+(-1)+(-2)+(-3)+(1)
=-6
Now, the average change in field position per running play is given by :-
Average = sum/total plays
=-6/6
=-1
Hence, the average change in field position per running play is -1 yard per play.
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Simplify each number. 16¹.⁵
The result of simplifying each number 16¹.⁵ using the exponent rules is 2⁽²⁰⁾
To solve this exercise we have to resolve algebraic operations following the exponent rules.
16¹.⁵
Base= 16= 2⁴
The base number 16 is the same as: 2⁴, then we get:
(2⁴)¹.⁵
Using the power of a power rule that indicates that: the exponent result will be the multiplication of these exponents, we have:
4⁽⁴*¹*⁵⁾
4⁽⁴*⁵⁾
2⁽²⁰⁾
What is an exponent?In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.
Example: 3² = 3*3 = 9
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Check all that apply. If csc = 13/5 then:
A. cos=5/13
B. sin= 5/13
C. sec = 5/13
D. tan=5/12
In the given function if csc = 13/5 then:
(B) sin= 5/13(D) tan=5/12What are trigonometric functions?In trigonometry, there are six functions of an angle that are commonly used. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their names and abbreviations (csc).So,
cscθ = 13/5 ⇒ 1/sinθ = 13/5
When both sides are flipped:
sinθ = 5/13Tangent is found by knowing that 13 is the hypotenuse because it is the longest side, and 5 is "opposite," so 12 is "adjacent."
tanθ = 5/12And because cosine is adjacent/ hypotenuse, the equation is:
cosθ= 12/13Secθ is the inverse of cos theta, so it is as follows:
secθ= 13/12So, (B) sin= 5/13 and (D) tan=5/12 are correct.
Therefore, in the given function if csc = 13/5 then:
(B) sin= 5/13(D) tan=5/12Know more about trigonometric functions here:
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Simplify each expression. y⁵/₇ / y³/₁₄
The result of simplifying the expression y⁵/₇ / y³/₁₄ using the exponent rules is [tex]\sqrt{}[/tex](y)
To solve this exercise we have to resolve algebraic operations following the exponent rules.
[(y)⁵/₇] / [(y)³/₁₄]
Using the quotient that indicates that: the exponent result will be the subtraction of these exponents, we have:
(y)⁵/₇ ⁻ ³/₁₄
(y) ⁽¹⁰⁻³⁾/¹⁴
(y) ⁽⁷/¹⁴)
(y) ¹/²
As we have a fractional exponent, you must convert the exponent to root:
[tex]\sqrt{}[/tex](y)
What is an exponent?In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.
Example: 3² = 3*3 = 9
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Bro how do so you do this I’m slow ash and they kno this
Answer:
9. 5/10
12. 4/10
15. 1/2
Step-by-step explanation:
1/2 = 5/10 --> 10 ÷ 5 = 2 --> 5+5 = 10 || Basically half
4/10 = 40/100 --> Multiply 10 more
6/12 = 1/2 --> 6+6 = 12 || Half again
Larry drove from San Francisco to San Jose.
The graph shows the distance he traveled during his drive.
Use the drop-down menus to complete the statements based on the graph.
The labeled point means that in
In 1 hour, Larry traveled
miles.
His distance changed at a unit rate of
hours, Larry traveled
miles.
miles per hour, so Larry's speed was
If Larry had driven more slowly, the slope of the graph would be
Distance Larry Traveled
60
y
50
40+
30+
20+
8 10+
Distance (miles)
miles per hour.
0
1
Time (hours)
(1.5,45)
CLEAR
CHECK
Using a proportional relationship, it is found that:
Point (1.5, 45) means that the 1.5 hours, he traveled 45 miles.In one hour, Larry traveled 30 miles.His distance changed at a unit rate of 30 miles per hour, so Larry's speed was of 30 miles per hour.If Larry had driven more slowly, the slope of the graph would be less than 30.What is a direct proportional relationship?A direct proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality k, as follows:
y = kx
From point (1.5, 45) on the graph, the constant is given as follows:
k = 45/1.5
k = 30.
Hence the equation is:
y = 30x.
In which:
x is the number of hours.y is the distance traveled.Hence, point (1.5, 45) means that the 1.5 hours, he traveled 45 miles.
From the constant k = 30, we have that in one hour, Larry traveled 30 miles, also meaning that:
His distance changed at a unit rate of 30 miles per hour, so Larry's speed was of 30 miles per hour.
The slope of the graph is the velocity, hence:
If Larry had driven more slowly, the slope of the graph would be less than 30.
What is the missing information?
For this problem, the graph is missing, and is given by the image at the end of the answer.
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Please help with this algebra 1 question, it's in the attachments
The graph of the piecewise function is given at the end of the answer. From the graph, and from it's concepts, we have that:
The domain is all real numbers.The range is (-∞,-2) U [0, ∞).What is a piecewise-defined function?A piecewise-defined function is a function that has different definitions, depending on the input of the function.
For this problem, the function has two definitions, as follows:
f(x) = -x - 2 to the right of x = 0.f(x) = -x to the left of x = 0.Both are decreasing linear functions, with the definition opening a space at x = 0, between y = 0 and y = -2, as shown in the graph. The closed interval, due to the equal sign, is at x = 0.
What are the domain and the range of a function?The domain of a function is the set that contains all the values of the input.The range of a function is the set that contains all the values of the output.In a graph, the domain and the range are found as follows:
The domain is given by the x-values, the horizontal axis.The range is given by the y-values, the vertical axis.Hence, for the function in this problem, we have that:
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Last year at a certain high school, there were 150 boys on the honor roll and 84 girls
on the honor roll. This year, the number of boys on the honor roll decreased by 12%
and the number of girls on the honor roll decreased by 25%. By what percentage did
the total number of students on the honor roll decrease? Round your answer to the
nearest tenth (if necessary).
Which equation represents the line through (0, 0) and (4, 7)?
A. y = 7/4x
B. y = 4/7x
C. y = 7x
D. y = 4x
The equation of the straight line is y = 7/4 x .
A straight line is an endless, one-dimensional shape with no breadth. It is made up of two connected points on either side of a point that are connected indefinitely. A straight line has no curvature. It could be horizontal, vertical, or inclined.
A straight line's equation is of the form y = mx + c, where m denotes the slope and c the y-intercept.
The concept of a line is strongly tied to how the geometry is described given the range of geometries in contemporary mathematics.
For instance, in analytic geometry, a line in the plane is typically defined as the set of points whose coordinates fulfil a particular linear equation, but in a more abstract setting, such as incidence geometry,
The given points for the line is given by (0, 0) and (4, 7)
Now let us calculate the slope of the line:
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
Substituting the values we get the slope of the line is
m = 7/4
Now we will use the equation :
y-y₁=m(x-x₁)
y-0 = 7/4(x-0)
or, y = 7/4 x
Therefore the equation of the required line is y = 7/4 x
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A shuttle bus to Willow Creek Mall has enough seats for 21 people to ride. Right now, there are 12 people on the bus. Let x represent how many more people can ride on the bus. Which inequality describes the problem? 12 + x ≤ 21
Answer:
The inequality that describes the problem for the given equation that is 12 + x ≤ 21 is x = 9.
Step-by-step explanation:
It is given that a shuttle bus to Willow Creek Mall has enough seats for 21 people to ride. Right now, there are 12 people on the bus.
It is further provided that, let x represent how many more people can ride on the bus and we need to find which inequality describes the problem for the given equation that is 12 + x ≤ 21.
Now,
based on the above-mentioned conditions it can be formulated that;
=> 12 + x = 21
After rearranging the terms;
=> x = 21 - 12
=> x = 9
Therefore, the inequality that describes the problem for the given equation that is 12 + x ≤ 21 is x = 9.
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What is the tax due for a single taxpayer reporting a taxable income of 65,725
The tax due for a single taxpayer by virtue of the tax rate for single filers; 22% as required in the task content is; 14,459.5.
What is the tax due for a single tax payer whose taxable income is; 65,725 as required in the task content?It follows from the task content that the taxable income of the single taxpayer as discussed in the task content is; 65,725.
Since, the tax rate which is alloted to such individual single filers is; 22%.
It simply follows that the tax due on the individual can be determined as follows;
Tax due = 22% of 65, 725
= (22/100) × 65,725
= 14,459.5
Ultimately, the tax due for a single taxpayer by virtue of the tax rate for single filers; 22% as required in the task content is; 14,459.5.
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what is the product of 3 1/2 X 3 1/4
Answer:
11 3/8.
Step-by-step explanation:
3 1/2 * 3 1/4
= 7/2 * 13/4
= 91/8
= 11 3/8.
Suppose you deposit $ 600 into a savings account that pays 3.9 % annual interest. How much will you have in the account after 3 years if no money is added or withdrawn?
We will have $ 672.97 in the account if no money is added or withdrawn from the account.
Amount deposited in the account = $ 600
Interest rate = 3.9 % annually
Time period = 3 years.
No money is added or withdrawn.
So, we will use the Compound Interest to calculate the amount after 3 years.
We have:
Compound interest formula:
A = P ( 1 + r )ⁿ
Here, P = $ 600
r = 3.9 %
n = 3 years
Substituting the values in the formula, we get that:
Compound interest = $ 600 ( 1 + 0.039 )³
Amount = $ 600 ( 1.039 )³
Amount = $ 600 ( 1.122)
Amount after 3 years = $ 672.97
Therefore, we will have $ 672.97 in the account if no money is added or withdrawn from the account.
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is the zeros of the function e (x) = 8/3 x - 8
The function e(x) = 8/3x - 8 is a linear function and the zeros of the function is x = 3
How to determine the zeros of the function?The function is given as
e(x) = 8/3x - 8
Set the function to 0
So, we have
8/3x - 8 = 0
Add 8 to both sides of the equations
So, we have
8/3x = 8
Divide both sides of the equation by 8
So, we have
1/3x= 1
Multiply both sides of the equation by 3
So, we have
x = 3
Hence, the zeros of the function is x = 3
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Which value of kkk makes 5-k+12=165−k+12=165, minus, k, plus, 12, equals, 16 a true statement? Choose 1 answer:
The value of k that makes the statement true is: k = -4.
How to Find the Value of a Variable in an Equation?If we are given an equation that has an unknown variable, to find the value of the variable, solve to isolate the variable. The value of the variable is what will make the equation a true statement.
Given the equation:
-k + 12 = 16
Subtract 12 from both sides
-k + 12 - 12 = 16 - 12 [subtraction property]
-k = 4
Divide both sides by -1
-k/-1 = 4/-1 [division property]
k = -4
Check: substitute k = -4 into the equation
-k + 12 = 16
-(-4) + 12 = 16
4 + 12 = 16
16 = 16 [true]
Therefore, the value of k that makes the statement true is: k = -4.
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8−4s=s+13 solve for s
8. Think about the equation 4(3x+2) = -16.
(a) Solve this equation by reversing what has been
done to x.
(b) Solve this equation by first distributing the
multiplication by 4
the formula by using x=-2 in the other direction.
Reversing equation is what?
The goal of equation solving is to get the variable by itself on one side of the equation and a number on the other side. To isolate the variable, we must turn around the processes that effect it. To achieve this, w, we carry out each operation's inverse on both sides of the equation.
based on the provided statement;
Eliminate the biggest shared variable on both sides of the equation:
3x+2=-4
Unknown terms should be moved to the left side of the equation:
3x=-4-2
Determine the total or difference:
3x=-6
Add the variable's coefficient to both sides of the equation, then subtract it:
x=-6/3
x=-2
Calculate the product or quotient x=-2
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Lily has 76 stars brandon has 100 times more how many stars does Brandon have
Which equation results from taking the square root of both sides of (x + 9)2 = 25?
Ox+3=+5
Ox+3=+25
Ox+9=+5
Ox+9=+25
So, the correct equation is equivalent to the x + 9 = ±5. The third option is correct.
What is the quadratic equation?
It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation. The general form of the quadratic equation is ax² + bx + c.
Given
(x + 9)² = 25 is a quadratic equation.
How to find the equation results from taking the square root of both sides?
(x + 9)² = 25 is a quadratic equation.
Taking square root on both sides.
(x + 9) = √25
(x + 9) = ±5
So, the equation is equivalent to the x + 9 = ±5.
Thus, the third option is correct.
An airline asked its agents to assign convenience ratings on a scale of 1–7 to 114 flights leaving one of its hub cities. The histogram below shows the distribution of the ratings of the 114 flights. What is the median rating assigned by the agents?
The median rating assigned by the agents is mathematically given as
X=4.35
This is further explained below.
What is the median rating assigned by the agents?Generally,4.35 is the middle rating that the agents have given the product.
In light of the fact that an airline requested that its agents rate the level of convenience offered by 114 flights departing from one of its hub locations on a scale ranging from 1 to 7, the following graph has to be evaluated in order to discover what the median rating that the agents gave was:
X=(8 x 1 + 11 x 2 + 19 x 3 + 17 x 4 + 23 x 5 + 25 x 6 + 11 x 7) / 114
X=(8 + 22 + 57 + 68 + 115 + 150 + 77) / 114
X=497/114
X=4.35
In conclusion, 4.35 is the median rating that the agents have given the product.
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2.5 points
Find the mean of the following: 25, 48, 40, 50, 28, 31, 34, 49, 42, 39, 44, 48,
Round to the nearest tenth, if necessary. *
Answer:
Your answer is 39.8
You basically add all the numbers and divide by how many numbers there are.
4√5 + 12√5 +4
What radicals are like radicals?
4√5
12√5
4
4√5 and 12√5 are like radicals as they have the same radicand.
What is a radical?An expression that has a root, typically a square or cube root, is referred to as a radical.
Radicals with the same root number and radicand are like radicals. (expression under the root).
Radicand is the one whose root you are finding.
Given: 4√5 + 12√5 +4
To identify the like radicals.
As we know, like radicals are those having the same radicand.
In the given expression, 4√5 and 12√5 are like as they have the same expression under the root.
Therefore, 4√5 and 12√5 are like radicals.
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HELPPP !!!
What is the slope of a line that is perpendicular to a line whose equation is -6y=2x+7?
The slope of the line with equation - 6y = 2x + 7 is - 1/3.
The slope of a line is the rise-to-run ratio or the rise divided by the run. It gives information about a line's slope in the coordinate plane.
The general equation of a straight line is y = mx +c where m is the slope of the line.
Now,
Consider the equation of the line,
- 6y = 2x + 7
Dividing each side of the equation by 6.
( - 6y/ 6 ) = ( 2x / 6 ) + ( 7/6 )
- y = x/ 3 + 7/ 6
Multiplying each side of the equation by - 1,
- y × - 1 = x/ 3 × -1 + 7/ 6 × - 1
y = - x/3 - 7/6
y = - (1/3) × (x) - 7/6
Now comparing the equation with the general equation y = mx + c.
We get, the slope of the line as:
m = - 1/3
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SOMEONE HELP PLS
Simplify.
(5x²+2x - 5) - (3x² +3x+1)
A: 2x²-x-6
B: 2x²5x+4
B: 2x² + 5x-4
C: 8x² +5x-4
Answer:
2x^2-x-6 (A.)
Step-by-step explanation:
Hope this helps buddy!
In a bake sale, you recorded the number of muffins sold and the amount of sales in a table as shown.
b. How many muffins would you have to sell to make at least $ 250.00 in sales?
Total number of muffins you would have to sell to make at least $ 250.00 in sales is 100 muffins.
What is the sales amount ?The sales amount can be find by the total sales. That is , if there are n products to sell and selling amount is x rs. then we can easily find the total sales by multiplying them and by this total sales we can easily find the number of items sold per units and vice versa.
In the question given,
amount (A) = $ 250.00
Now take any of two values from table ,
Choose any two points and calculate the slope:
slope = [tex]\frac{50 - 20}{20 - 8}[/tex] = 2.5
thus, y = 2.5x
we can also write this as,
A = 2.5 m , where m is number of muffins
Therefore, m = 250 / 2.5 = 100
Hence, Total number of muffins to sell are 100 .
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The complete question is:
In a bake sale, you recorded the number of muffins sold and the amount of sales in a table as shown.
a. What is a function that relates the sales and the number of muffins?
b. How many muffins would you have to sell to make at least $ 250.00 in sales?
LÀm bài tập trông ảnh
Answer:lm
Step-by-step explanation:
9. Line a║b, c is a transversal then y = ?
Answer:
Step-by-step explanation:
55
Simplify: the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5.
The simplified form of the expression which is as described by the word phrase given in the task content is; 83.4.
In order words, when the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5 is being simplified, it gives 83.4
What is the simplified form of the word phrase given in the task content?According to the task content, it follows that the expression given by the word phrase and required to be simplified is;
{(5.5 + 4.3)/4} × (2-6)² + 5.
Hence, it follows from PEMDAS guidelines that the parentheses be solved first as follows;
{(9.8)/2} × (-4)² + 5
= 4.9 × 16 + 5
Hence, by multiplying first, we have;
= 78.4 + 5
= 83.4.
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The simplified form of the expression which is as described by the word phrase given in the task content is; 83.4.
In order words, when the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5 is being simplified, it gives 83.4
What is the simplified form of the word phrase given in the task content?
According to the task content, it follows that the expression given by the word phrase and required to be simplified is;
{(5.5 + 4.3)/4} × (2-6)² + 5.
Hence, it follows from PEMDAS guidelines that the parentheses be solved first as follows;
{(9.8)/2} × (-4)² + 5
= 4.9 × 16 + 5
Hence, by multiplying first, we have;
= 78.4 + 5
= 83.4.