Answer:
v = 7
Step-by-step explanation:
Reverse sides
[tex]v+35=42[/tex]
Subtract 35
[tex]v+35-35=42-35[/tex]
Simplify
[tex]v=7[/tex]
Answer:
v = 7
Step-by-step explanation:
Subtract 35 from both sides
An equilateral triangle has a length of 10 inches.What is the area of the triangle in simplest radical form?
Answer: The area of Triangle is A = 43.25
Step-by-step explanation:
In general, the height of an equilateral triangle is equal to √3 / 2 times a side of the equilateral triangle. The area of an equilateral triangle is equal to 1/2 * √3 [tex]s^{2}[/tex]* s = √3/4([tex]s^{2}[/tex])
Define Area of Triangle:
In an equilateral triangle, median, angle bisector and altitude for all sides are all the same and are the lines of symmetry of the equilateral triangle. The area of an equilateral triangle is √3/4([tex]s^{2}[/tex]) . The perimeter of an equilateral triangle is 3s.
So, we can write,
A = √3/4([tex]s^{2}[/tex])
It means, A = Area of the Triangle
S = length of Triangle = 10inches.
A = √3/4([tex]s^{2}[/tex])
A = √3/4([tex]10^{2}[/tex])
A= √3/4*100
A = 1.73/4*100
A = 0.4325*100
A = 43.25
The area of Triangle is A = 43.25
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Write each equation in logarithmic form.
10³=1000
We get the equation in logarithmic form as log₁₀ 1000 = 3.
A “logarithmic equation” is an equation which involves the “logarithm” of any expression which is containing a variable.
Now, we have been given an equation:
10 ³ = 1000
We need to write it in the logarithm form.
We know that, it will be written as:
log₁₀ 1000 = 3
Since the power goes after the equal sign, so 3 is placed after the equal sign.
The actual value is taken after log, so 1000 is placed there and the base number is taken as the base for the log, so 10 is taken as the base for the log.
Therefore, we get the equation in logarithmic form as log₁₀ 1000 = 3.
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Please i need help 5th grade math first one
[tex](4 \times 1) + (4 \times \frac{1}{1000}) \\ (4) + ( \frac{4}{1000} ) \\ 4 + \frac{1}{250 \\} \\ \frac{1000 + 1}{250 } \\ \frac{1001}{250} \\ [/tex]
I guess this is the answer
Find the values of the variables.
addie organizes the Venn diagram below showing the factors of 56 and 42. Reid says that she is incorrect. Who is corect? justify your thinking
Addie is correct because both 2 and 14 are common factors of 56 and 42.
Who is correct?The factor of a number is the number that can perfectly divide another number without leaving any remainder. For example, a factor of 20 is 10 because 10 perfectly divides 20 to 2.
A common factor is a factor that is common to two or more integers. An example of a common factor of 15 and 20 is 5.
A Venn diagram uses circles that overlap each other to show logical relationships between two or more sets of items. The numbers at the intersection of the two circles are common to both numbers.
Factors of 56 = 1, 2, 4, 7, 8, 14, 28 and 56.
Factors of 42 = 1, 2, 3, 6, 7, 14, 21 and 42.
Common factors = 1, 2, 7, 14
This means that Addie is correct because both 2 and 7 are common factors of 56 and 42.
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Solve each equation. Check your answers.
log (5-2 x)=0
The value of x for log (5-2 x)=0 is 2.
What is the logarithmic function?
It is established that the exponential equation x = ay and the logarithmic function y = logax are equal. Only when x = ay, a > 0, and a 1 do y and logax coincide. The base-a logarithmic function is what it is known as. Think about what it means for the exponential function to be inversed: x = ay.
Given,
log (5-2 x)=0
It can be expressed as -
5 - 2x = 10⁰
= 5 - 2x = 1
= x = 2
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Maryama bought 45 plain cookies for $2.20 each. She decorated them with icing and sold them for $3.75 each. How much profit did she make selling her decorated cookies?
45x2.20=99
meaning she spent $99
45x3.75=168.75
shows how much she made
168.75-99=69.75
shows what she profited
your answer is $69.75
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please help me !!!!!
whats an irrational number between 7.7 and 7.9 and how did you find the answer?
Answer: I think it's 7.8.
Answer:
7.8
Explanation:
This number is irrational because it does not terminate.
Terminate
decimal that is expressed in finite figures in which all figures to the right are zero.
which in this case, that does not occur.Wally took his dog to the
groomer for a haircut. The bill
came to $45. He always
leaves a tip of 15%. How much
is the tip? How much money
did Wally spend altogether?
REASONING
In most of the previous examples there were only two terms. Extend your work with using the distributive
property "backwards" and write the following as a product of binomials.
(a) x(x+2)+3(x+2)+4x(x+2)
(b) 2x(x-5)+3(x-5)+(x-1)(x-5)
The expression is written as a product of binomials as;
a) (x + 2) (5x + 3)
b) (x - 5) ( 3x + 2)
What is Distributive property?
Distributive property is said to be multiplying the sum of two or more number will give the same result as multiplying each addend individually by the number and then adding the products together.
Now, For solving the expression by using the distributive property "backwards" , we can find the GCD of each term using in the expression as;
(a) x(x+2) + 3(x+2) + 4x(x+2)
GCD of x(x + 2), 3(x + 2), 4x(x + 2) = (x + 2)
Hence, Firstly take (x + 2) as common term we get;
x (x + 2) + 3(x + 2)+ 4x(x + 2) = (x +2) ( x + 3 + 4x)
= (x + 2) (5x + 3)
The expression is written as a product of binomials as;
a) x (x + 2) + 3(x + 2)+ 4x(x + 2) = (x + 2) (5x + 3)
And, (b) 2x(x-5) + 3(x-5) + (x-1) (x-5)
GCD of 2x(x-5) , 3(x-5) , (x-1) (x-5) = (x - 5)
Hence, Firstly take (x - 5) as common term we get;
2x(x-5) + 3(x-5) + (x-1) (x-5) = (x - 5) (2x + 3 + x - 1)
= (x - 5) ( 3x + 2)
So, The expression is written as a product of binomials as;
b) 2x(x-5) + 3(x-5) + (x-1) (x-5) = (x - 5) ( 3x + 2)
Therefore, The expression is written as a product of binomials as;
a) (x + 2) (5x + 3)
b) (x - 5) ( 3x + 2)
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.What is the slope between
(-8,4) and (3,-1)?
What is the slope of
4x-3y=13?
How do you know a graph represents direct variation?
What is true about the slopes of parallel lines? What is true about the slopes of perpendicular lines?
The slope between (-8,4) and (3,-1) is -5/11 and the slope of 4x - 3y = 13 is 4/3
What is the slope between (-8,4) and (3,-1)?The points are given as
(-8,4) and (3,-1)
The slope between the points is calculated using
Slope = (y2 - y1)/(x2 - x1)
So, we have
Slope = (-1 - 4)/(3 + 8)
Evaluate
Slope = -5/11
Hence, the slope between (-8,4) and (3,-1) is -5/11
What is the slope of 4x - 3y = 13?The equation of the line is given as
4x - 3y = 13
Make 3y the subject of the formula
So, we have
3y = 4x - 13
Make y the subject of the formula
So, we have
y = 4/3x - 13/3
A linear equation is represented as
y= mx + c
Where
Slope = m
By comparison, we have
m = 4/3
Hence, the slope of 4x - 3y = 13 is 4/3
How do you know a graph represents direct variation?A graph that represents direct variation is a linear graph that passes through the origin
What is true about the slopes of parallel lines?The slopes of parallel lines are equal
i.e. m1 = m2
What is true about the slopes of perpendicular lines?The slopes of perpendicular lines are opposite reciprocals
i.e. m1 = -1/m2
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Write each equation in exponential form.
log₄1=0
Answer:
The answer to the given equation is 1
Logarithmic scale: A measurement scale in which the position is marked using the logarithm of a value rather than the actual value.
A logarithmic equation includes a logarithm in the variable x.
An exponential equation is one in which the variable is represented by an exponent. A logarithmic equation is one in which the logarithm of a variable-containing expression is used.
For logarithmic equations, log b (x) = y is equivalent to b^y = x such that x > 0, b > 0 and b is not equal to 1.
In the given problem b = 4, x = 1 and y = 0
b = 4
x = 1
y = 0
Substituting the values of b, x and y into the equation b^y = x;
4^(0) = 1
Therefore, the value of the given equation log₄1=0 is 1
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The height of a ball thrown straight up from the ground with a velocity of 96ft/s is given by the quadratic function h(t)=-16 t²+96 t . What is the maximum height the ball reaches?
(a) 6ft (b) 128ft (c) 144ft (d) 160ft
The correct option is (c) 144ft
The maximum height the ball reaches is 144ft.
What is quadratic function ?A quadratic function has the form of equation as ax²+ bx + c, where a, b, and c are the numbers not equal to zero. In mathematics, the quadratic function, the quadratic polynomials , 2 degree polynomial is a polynomial function with one or more that one variables in which the highest term is of the second degree.
In the question,
h(t)=-16 t²+96 t
and velocity = 96ft/s
out the -16 from the equation.
h(t)= -16 ( t² + 6 t )
h(t) = −16(t² −6t+9−9)
= −16(t² −6t+9)+144
Factor the equation to get a perfect square ,t = 3 then h(t) = 144. The maximum height is 144.
−16(t−3)² +144
Thus, height is 144 ft.
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49
#
2. The equation x = 3 is graphed on the coordinate plane shown.
a. Graph the line perpendicular to x = 3 that passes
through (-2, 4).
The linear function y = 4, perpendicular to x = 3, is graphed at the end of the answer.
What is a linear function?A linear function is modeled by the following rule:
y = mx + b
In which:
m is the slope, which is the rate of change, that is, the change in y divided by the change in x.b is the y-intercept, which is the the value of y when the function crosses the x-axis, that is, when x = 0.When two linear functions are perpendicular, they intersect forming an angle of 90º between them.
For this problem, we want a line perpendicular to x = 3.
x = 3 is a vertical line.The line perpendicular to a vertical line is an horizontal line, in the format y = 4.The line passes through (-2,4), with y-coordinate of 4, hence the line is given by:
y = 4.
On the graph given at the end of the answer, it is shown that the two lines are perpendicular, forming an straight angle. The line y = 4 is graphed in blue.
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Write an expression for “3 times the sum of a number and 2”
Answer:
3*2
Step-by-step explanation:
What is the answer to this question?
Answer:
visit a nearby farmer ask him about farming such as things to be considered, possible disease, benefits, challenges etc. prepare a short report and present
[tex]\displaystyle\\Answer:\ y=\frac{1}{3}x-2[/tex]
Step-by-step explanation:
(6,0) (9,1)
[tex]\displaystyle\\The\ slope=\frac{1-0}{9-6} \\\\The\ slope=\frac{1}{3}[/tex]
(0,-2)
[tex]\displaystyle\\y=\frac{1}{3} x+b\\-2=\frac{1}{3}(0)+b\\ -2=0+b\\\\-2=b\\\\Thus,\\\\y=\frac{1}{3} x-2\\\\[/tex]
There are 24 classrooms and 600 students. What is the ratio of classrooms to students written in fraction simplest form?
Answer:
1 : 25.
Step-by-step explanation:
24 : 600
= 24/24 : 600/24
= 1 : 25.
ST lie on the coordinate plane with S located at (3,2). the midpoint of ST is Z(3,5). Can the location of T be determined
Answer:
T(3, 8)
Step-by-step explanation:
Yes, it can.
Use the midpoint formula with points S and Z, and solve for point T.
M( (x_1 + x_2)/2 , (y_1 + y_2)/2 )
Z(3, 5) = ( (3 + x)/2 , (2 + y)/2 )
(3 + x)/2 = 3
3 + x = 6
x = 3
(2 + y)/2 = 5
2 + y = 10
y = 8
T(3, 8)
Contains (5, 8) and is parallel to the graph of y=7x-6
The line parallel to line y = 7x - 6 and passing through points (5, 8) is
y = 7x - 27How to write the equation of the line passing through points (5, 8) and parallel to y = 7x - 6Given data
y = 7x - 6
(5, 8) and is parallel
From the line, y = 7x - 6, the slope is 7. Since slope of parallel lines are equal, the new line will have same slope and pass through points (5, 8).
y - 8 = 7 ( x - 5 )
y - 8 = 7x - 35
y = 7x - 35 + 8
y = 7x - 27
Hence we can say that the line parallel to line y = 7x - 6 and passing through points (5, 8) is y = 7x - 27
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The equation of the line parallel to y = 7x - 6 passing through (5, 8) is y = 7x - 27
How to find the equation of a line?The equation of the line is parallel to the equation y = 7x - 6.
Parallel line have the same slope.
Therefore, let's represent the equation as follows:
y = mx + b
where
m = slopeb = y-interceptTherefore, the slope of the graph y = 7x - 6 is 7.
The equation of the line that contains (5, 8) and parallel to the graph can be computed as follows
y = 7x + b
let's find the y-intercept
8 = 7(5) + b
8 - 35 = b
b = - 27
Therefore, the equation of the line parallel to y = 7x - 6 passing through (5, 8) is y = 7x - 27
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Explain how to find a y-intercept.
To find Y-intercept
Set X=0
-(8-11)3rdpower-3|-14|/24thpower-7
Answer: bofa
Step-by-step explanation:
Parallelogram has a base of 3.5 units and a corresponding height of 2 units what is it’s area
Answer:
The answer is 7
Step-by-step explanation:
The formula you would use is A=bxh
So you would just plug it in
3.5 x 2 which gives you 7
Hope this helps:)
please help me (image attached)
The inequalities which shows the closest whole number range for :
a) y = √74 is 8 < y < 9.
b) z = ∛74 is 4 < z < 5.
What is an mathematical expression?
Expression in mathematics is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
it is given that for x = √28 the value of x ranges between 5 and 6 that is 5 < x < 6 because square root of 28 is approximately 5.29 which is less than 6 and greater than 5.
a) Now, for y = √74 :
the square root of 74 is approximately 8.6 which is less than 9 and greater than 8 that is the value of y ranges between 8 and 9 that is :
8 < y < 9.
b) Now, for z = ∛74 :
the cube root of 74 is approximately 4.19 which is less than 5 and greater than 4 that is the value of z ranges between 4 and 5 that is :
4 < z < 5.
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Which function, g or h, is the inverse function for the function f?
A. The function h because the graphs of f and h are symmetrical about the line y=x
B. The function g because the graphs of f and g are symmetrical about the y-axis
C. The function g because the graphs of f and g are symmetrical about the line y=x
D. Neither function.
The function that is the inverse of f is C. The function g because the graphs of f and g are symmetrical about the line y = x
What is the inverse of a function?The inverse of a function is a function that can reverse into another function.
If we have function f and g, and f f(x) = y, then g is the inverse of f if and only if g(y) = x
How to find which function is an inverse of function f?To determine which graph is an inverse of f, it has to satisfy the following condition
The graph of f and its inverse must be symmetric about the line y = x.So, looking at the graph, we see that the only the graphs of f and g are symmetic about the line y = x.
Thus function g is the inverse of f.
So, the function that is the inverse of f is C. The function g because the graphs of f and g are symmetrical about the line y = x
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what percentage of 36 is 18
Answer:
18/36×100%
The answer will be 50
Step-by-step explanation:
Hope it helps you
Determine if each statement is true or false. Justify your answer.
log (x-2)= log x/log 2
The logarithm statement log (x - 2) = log x / log 2 is a false statement as log x / log 2 = log x - log 2.
We are given the logarithm as:
log (x - 2) = log x / log 2
We need to tell if it is true of not.
We get that, it is false statement.
We know that log a / log b = log a - log b
So, log x / log 2 = log x - log 2
So, it is not equal to log (x - 2)
Therefore, we get that, the logarithm statement log (x - 2) = log x / log 2 is a false statement as log x / log 2 = log x - log 2.
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equivalent to 5(2a+b)+2(a+2b)−5(2a+2b)
The equivalent of the given expression 5( 2a + b ) + 2( a + 2b ) − 5( 2a + 2b ) is 2a - b.
What is the equivalent of the given expression?Given the expression in the question;
5( 2a + b ) + 2( a + 2b ) − 5( 2a + 2b )
To simplify, apply distributive property.
5( 2a + b ) + 2( a + 2b ) − 5( 2a + 2b )
5(2a) + 5(b) + 2(a) + 2(2b) − 5(2a) -5(2b )
Perform the multiplication operation.
10a + 5b + 2a + 4b − 10a - 10b
Collect like terms
10a − 10a + 2a + 5b + 4b - 10b
2a + 5b + 4b - 10b
2a + 9b - 10b
2a - 1b
2a - b
Therefore, the equivalent of the given expression 5( 2a + b ) + 2( a + 2b ) − 5( 2a + 2b ) is 2a - b.
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Find the coordinates of M, the midpoint of AB, for each pair of points.
A (1,2) and B (-3,6)
Answers:
(-1,4)
(3.5,7)
(4,-1)
(7,-3.5)
[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{1}~,~\stackrel{y_1}{2})\qquad B(\stackrel{x_2}{-3}~,~\stackrel{y_2}{6}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ -3 +1}{2}~~~ ,~~~ \cfrac{ 6 +2}{2} \right) \implies \left(\cfrac{ -2 }{2}~~~ ,~~~ \cfrac{ 8 }{2} \right)\implies (-1~~,~~4)[/tex]
Greg is purchasing ink cartridges for his computer. Each ink cartridge costs $35.99 and comes with a $10 rebate. How much will Greg pay for one ink cartridge after the rebate? *Rebate is a refund of part of the amount paid for an item Greg will pay $ after the rebate
Greg will pay $25.99 for one ink cartridge after the rebate
Cost of ink cartridge: $35.99
Rebate on each ink cartridge: $10
A rebate is a portion of the purchase price that is refunded. It serves as a motivator to promote the sale of goods. For instance, if I want to spend $1,000 on a laptop/computer, the shopkeeper can offer me a $100 rebate to sweeten the bargain and convince me to buy the item.
Price Greg will pay after rebate: 35.99 - 10 = $25.99
So, Greg will pay $25.99 for one ink cartridge after the rebate of $10.
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