Answer: x= 2
Step-by-step explanation:
X+3/2(-1/2x+5/3)+2=3x-1
= x - 3/4x + 15/6 +2 = 3x -1
= 1/4x + 15/6 + 2 = 3x -1
= 1/4x + 27/6 = 3x -1
= 1/4x + 33/6 = 3x
= 33/6 = 11/4 x
= x = 2
How much money would i make a year if i work from6am to 2pm, from Saturday and sundays. And i get paid 13 an hour?
what is the importance of knowing the history of the earth
Knowing the history of the Earth is of the utmost importance to understand how it got to now and to know where we are going.
¿What is the history of the Earth?The history of the Earth is nothing more than the set of events, occurrences and phenomena that the same happened from its origin to the present.
Knowing the history of the Earth is very important because:
It gives us knowledge about the development of the Earth and different associated elements.It allows us to understand different elements of the universe. It allows us to study and analyze different events associated with man and life.¡Hope this helped!
Answer:
The history of the Earth is nothing more than the set of events, occurrences and phenomena that the same happened from its origin to the present.
Given ΔPHS ≅ ΔCNF, find the values of x, y, and z.
In the given congruent triangle ΔPHS ≅ ΔCNF, the values of x, y, and z are 24° , 37/3° , 61/4° respectively
What is a congruent triangle ?
The meaning of congruent in Maths is addressed to those figures and shapes that can be repositioned or flipped to coincide with the other shapes. These shapes can be reflected to coincide with similar shapes.
Two shapes are congruent if they have the same shape and size. We can also say if two shapes are congruent, then the mirror image of one shape is the same as the other.
Two triangles are said to be congruent if their sides have the same length and angles have same measure. Thus, two triangles can be superimposed side to side and angle to angle.
In mathematics, the term "congruent" refers to figures and forms that may be flipped or rearranged to match up with other ones. These forms can be mirrored to produce related shapes. If two forms are similar in size and shape, they are congruent. We may also state that if two forms are congruent, then their mirror images are identical .Triangles that line up. A triangle is a closed polygon with three line segments that intersect at each of its three angles.
When the sides and angles of two triangles match, the triangles are said to be congruent. Thus, two triangles may be placed side by side and angle by angle on top of one another.
Since both the triangles are congruent this means the side , angles of both the triangles are equal
therefore,
∠ H = ∠ N
∠ S = ∠ C
∠ P = ∠ F
which means,
6x-29° = 115°
6x=144°
x=24°
∠ S = 180° - ∠ H - 36°
∠ S = 180°-6x+29°-36°
∠ S = 173°-6x
173°-6x=4z-32°
173°-144°+32° = 4z
61/4° = z
3y-1° = 36°
y= 37/3°
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Find the equation of the line with slope 0 and passing through (-5,16). Write the equation in standard form.
Lines with a slope of zero can be thought of as y = 0x + b, which simplifies to just "y = b".
In this case, your equation is y = 16.
If you want to force it explicitly into standard form, you could write it at
0x + 1y = 16
What is the equation in slope-intercept form of the line that passes through the points (6,1) and (3,3)?
y=−2/3x+5y
y=−2/3x−10y
y=2/3x+2y
y=2/3x−2
The equation in slope intercept form of the line that passes through the points (6,1) and (3,3) is y = - 2 / 3 x +5
How to find equation in slope intercept form?The equation of a line in slope intercept form can be represented as follows:
y = mx + b
where
m = slopeb = y-interceptTherefore, the equation in slope-intercept form of the line that passes through the points (6,1) and (3,3) can be represented as follows;
let's find the slope
m = 3 - 1 / 3 - 6
m = - 2 / 3
Hence, let's find the y-intercept as follows;
using (3, 3)
y = - 2 / 3 (x) + b
3 = - 2 / 3 (3) + b
3 + 2 = b
b = 5
Therefore, the equation of the line is y = - 2 / 3 x +5
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The table represents some points on the graph of a linear function.
Which equation represents the same relationship?
x-2y-1=0
2x-y +7=0
y+3= 1/2 (x - 5)
y-15 = 2(x-31)
The equation that represents the same relationship is equation 1: x-2y-1=0
How to find the equation?We should know that an equation is a mathematical statement that shows the equality of two sides o a statement.
From the given equation:
x-2y-1=0
If we input the various values of x such as -5, 7,31,42 into the equation we are going to obtain the corresponding values of y as indicated in the table
x-2y-1=0
Rewrite the equation
x-1=2y
⇒2y=x-1
=2y=-5-1
y=-3
Also, 2y=7-1
2y=6
y=3
Input the value 31 into the equation or x
2y=31-1
2y=30
y=15
Input the value 45 or x in the equation
2y=45-1
2y=44
y=22
In conclusion, the equation x-2y-1=0 represents the the same relationship in the table
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Suppose you can afford to pay $ 325 a month for 9 years towards a new car with no down payment. If the current interest rates are 4.75%, how expensive a car can you afford?
Car sticker price =
Using the interest rates formula, we know that an automobile that costs $24588.44 is within our means.
What are interest rates?The amount of interest due each period expressed as a percentage of the amount lent, deposited, or borrowed is known as an interest rate.
The total interest on a loaned or borrowed sum is determined by the principal amount, the interest rate, the frequency of compounding, and the period of time the loan, deposit, or borrowing took place.
So, let's say the car's affordable price is P:
The entire payback is equal to P r/100 T + P.
In this case, P, r = 4.75, and T = 9 years.
$351,00 = P × (4.75/100 × 9 + 1)
$351,00 = P × ( 0.4275 + 1)
$351,00 = P × 1.4275
P = 351,00 / 1.4275
When you use the division operation, we receive:
P = $24588.44
Therefore, using the interest rates formula, we know that an automobile that costs $24588.44 is within our means.
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-2x-3y=-9 and-2x-3y=-9 by elimination
The system of equations has infinite solutions, actually, any pair (x, y) is a solution.
How to solve the system by elimination?To solve a system by elimination, we just need to add/subtract the equations in such a way that we can remove one of the variables.
Here the system of equations is:
-2x-3y = -9
-2x-3y = -9
If we subtract the two equations we will get:
(-2x-3y) - (-2x-3y) = -9 - (-9)
0 = 0
This is a trivial equation, that happens because both equations of the system are the same one.
So the system is true for all real values of x and y.
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A circle has a circumference of 20 m.
Work out the radius of the circle.
Give your answer correct to 1 decimal place.
The required radius of the circle is given as 3.18 m.
Given that,
A circle has a circumference of 20 m. the radius of the circle is to be determined.
Perimeter is the measure of the figure on its circumference.
Here,
The perimeter of the circle = 20m
2πr = 20
r = 20/2π
r = 3.18 m
Thus, the required radius of the circle is given as 3.18 m.
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1.) ΔECD ≅ ΔECX
CD=?
By the congruence property CD ≅ CX
Congruent examples include what?
Two figures are said to be "congruent" if they can be positioned perfectly over one another. Both of the bread slices are the same size and shape when stacked one on top of the other. Congruent refers to things that are exactly the same size and shape.
Which five types of congruence are there?
If two triangles meet all 5 requirements for congruence, then they are congruent. They are right angle-hypotenuse-side (RAHS), angle-side-angle (ASA), angle-angle-side (AAS), side-side-side (SSS), and side-angle-side (SSS) (RHS).
Given that:
ΔECD ≅ ΔECX
so ED ≅ EX
CD ≅ CX
by the congruence property
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C
18. Andrew works at Grub Burger and earns
$8.00 an hour. Create a graph of the
relationship between x, the number of hours
and y, the total amount Andrew earns. Then
write an equation to represent the relationship.
EARNINGS ($)
50
45
40
30
25
20
15
10
5
1 2 3 4 5 6 7 8 9 10
HOURS
The graph of the relationship between x, the number of hours, and y, the total amount Andrew earns attached below, and the equation represent the relationship y = 8x.
What is the graph of the equation?
The graph of an equation is the group of all points on a number line or the coordinate plane that are solutions of an equation (= statement that two amounts are equal).
0 hours- $0
4 hours- $32
8 hours- $64
12 hours- $96
First find the equation of this problem to represent the relationship, which is y = 8x.
Next, you substitute the number of hours into x to get y, which is the amount of money.
Hence, the graph of the relationship between x, the number of hours, and y, the total amount Andrew earns attached below, and the equation represent the relationship y = 8x.
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Parts of a Right Triangle
In a right triangle, the sides that meet to form the
right angle are called the legs. The side opposite the
right angle is called the hypotenuse. The hypotenuse is
always the longest of the three sides. It is important
that you can correctly identify the sides of a right tri-
angle, regardless of what position the triangle is in.
leg
leg
60
1. Name the legs.
Practice
AABC is a right triangle.
TRIANGLES AND THE PYTH
hypotenuse
leg
leg
hypotenuse
hypotenuse
2. Name the hypotenuse.
leg
leg
APQR is a right triangle.
3. Name the legs.
4. Name the hypotenuse.
AHLM is a right triangle.
5. Name the legs.
6. Name the hypotenuse.
Review of Squares
and Square Roots
Before you study the Pythagorean theorem, le
first review squares and square roots. Just like add
tion and subtraction are inverses, so are squares
and square roots. In other words, they "undo" e
other. To square a number, you multiply it by itsel
For example, 52 means two factors of 5, or 5 times
5, which is 25. Written algebraically, it looks
this: 52= 5 x 5 = 25. A common mistake is to s
that you multiply by 2, since 2 is the exponent (the
small raised number). But the exponent tells you
how many times to multiply the base (bot
number) by itself.
Twenty-five is a perfect square. It can be writer
as the product of two equal factors. It would be he
1) The legs of △ABC are AB and BC.
2) The name of hypotenuse is AC.
3) The legs of △PQR are PR and RQ.
4) The name of hypotenuse is PQ.
5) The legs of △HLM are LH and ML.
6) The name of hypotenuse is MH.
What is a triangle?
A polygon with three edges and three vertices is called a triangle. It is one of the fundamental geometric shapes. Triangle ABC is the designation for a triangle with vertices A, B, and C. In Euclidean geometry, any three points that are not collinear produce a distinct triangle and a distinct plane.
The right angle of △ABC is ∠ABC. Thus AB and BC meet at right angle. Therefore AB and BC are legs of △ABC.
The opposite side of ∠ABC is AC. Therefore the hypotenuse is AC.
The right angle of △PQR is ∠PRQ. Thus PR and RQ meet at right angle. Therefore PR and RQ are legs of △PQR.
The opposite side of ∠PRQ is PQ. Therefore the hypotenuse is PQ.
The right angle of △HLM is ∠HLM. Thus HL and LM meet at right angle. Therefore HL and LM are legs of △HLM.
The opposite side of ∠HLM is MH. Therefore the hypotenuse is MH.
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Assume the acceleration of the object is a(t) = −32 feet per second per second. (Neglect air resistance.)
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 48 feet above the ground.
(a) How many seconds after its release will the bag strike the ground? (Round your answer to two decimal places.)
(b) At what velocity will it strike the ground? (Round your answer to three decimal places.)
(a) 2.79 seconds after its release the bag will strike the ground.
(b) At a velocity of 73.28 ft/second it will hit the ground.
What is velocity?
We are given that a balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 80 feet above the ground.
Assume the acceleration of the object is a(t) = −32 feet per second.
(a) For finding the time it will take the bag to strike the ground after its release, we will use the following formula;
[tex]s=u t+\frac{1}{2} a t^2[/tex]
Here, s= distance of the balloon above the ground =-80 feet
[tex]$\mathrm{u}=$[/tex] intital velocity =16 feet per second
[tex]$\mathrm{a}=$[/tex]acceleration of the object =-32 feet per second
[tex]$\mathrm{t}=$[/tex] required time
So, [tex]$s=u t+\frac{1}{2} a t^2$[/tex]
[tex]$$\begin{aligned}& -80=(16 \times t)+\left(\frac{1}{2} \times-32 \times t^2\right) \\& -80=16 t-16 t^2 \\& 16 t^2-16 t-80=0 \\& t^2-t-5=0\end{aligned}$$[/tex]
Now, we will use the quadratic D formula for finding the value of t, i.e;
[tex]t=\frac{-b \pm \sqrt{D}}{2 a}[/tex]
Here, a=1, b=-1, and c=-5
Also, [tex]$\mathrm{D}=b^2-4 a c=(-1)^2-(4 \times 1 \times-5)=21$[/tex]
So, [tex]$t=\frac{-(-1) \pm \sqrt{21}}{2(1)}$[/tex]
[tex]t=\frac{1 \pm \sqrt{21}}{2}[/tex]
We will neglect the negative value of t as time can't be negative, so;
[tex]t=\frac{1+\sqrt{21}}{2}=2.79 \approx 3 \text { seconds. }[/tex]
Hence, after 3 seconds of its release, the bag will strike the ground.
(b) For finding the velocity at which it hit the ground, we will use the formula;
v=u+a t
Here, v= final velocity
So,[tex]$v=16+(-32 \times 2.79)$[/tex]
v=16-89.28=-73.28 feet per second.
Hence, the bag will hit the ground at a velocity of [tex]$-73.28 \mathrm{ft} / \mathrm{second}$[/tex].
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(7,5), (x, 2); m =
3
Answer: (6,2)
Step-by-step explanation:
(7,5) (x,2) m=3 x=?
y=mx+b
y=3x+b (1)
To find the coefficient b we take the coordinate that belongs to this line (7,5): x=7 y=5
5=3(7)+b
5=21+b
5-21=21+b-21
-16=b
Thus, b=-16
Hence, y=3x-16
To find the x we take the coordinate that belongs to this line (x,2): y=2
2=3x-16
2+16=3x-16+16
18=3x
Divide both parts of the equation by 3:
6=x
Thus, x=6
Write a related function for - 6x + x - 16= 3x
Answer:
x = -2
Step-by-step explanation:
hope this will help you
Which additional piece of information would show that quadrilateral W X Y Z is a rhombus?
The additional fact that would prove that quadrilateral WXYZ is a parallelogram is '' XY = YZ''.
What is quadrilateral ?
A two-dimensional shape with four sides, four vertices, and four angles is referred to as a quadrilateral. Convex and concave are the two main forms. Convex quadrilaterals can also be divided into a number of subgroups, including trapezoids, parallelograms, rectangles, rhombus, and squares.
Properties include: There are four vertices . There are four sides . 360° is the total of all interior angles. There are two diagonals in them.
Trapezium is one of the five unique quadrilateral shapes. Parallelogram. Rectangle. Rhombus. Square
These bisectors intersect each other at 90 degrees.
And it means that they are perpendicular.
Since they are perpendicular, we find that there 4 congruent triangles, XY is parallel to WZ, and WX is parallel to YZ.
Additionally, opposite angles are equal.
These two latter findings are the characteristics of the parallelogram.
Hence, the additional fact that would prove that quadrilateral WXYZ is a parallelogram is '' XY = YZ''.
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Which of the following algebraic steps will solve the equation -6t = 2/3 and what is the solution?
Answer:
C. DIvide both sides by -6 to get 1/9.
Step-by-step explanation:
any help on this question
Using law of logarithm and exponent rules, the value of the unknown is 5
Logarithmlogarithms are the other way of writing the exponents. A logarithm of a number with a base is equal to another number. A logarithm is just the opposite function of exponentiation. For example, if 102 = 100 then log10 100 = 2.
Logₐ x = n or aⁿ = x
Where b is the base of the logarithmic function.
This can be read as “Logarithm of x to the base b is equal to n”.
In this case, we just need to solve for the value of b
4 = logₐ(625)
4 = 1 / log625(a)
multiply both sides by log₆₂₅(x)
log₆₂₅(a) / 4 = 1/4
applying log rules
a = 5
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The diagram shows a frustum which is constructed from a pyramid.
(a) The surface area of the frustum.
(b) Find the volume of the frustum.
(c) Find the surface area of the original pyramid.
The surface area of the frustum is 1744 square units
The volume of the pyramid is 2031.33 cube units.
What is a frustum of a pyramid?
By cutting the top of a typical pyramid, the frustum is created, which is a pyramid. Because of this, it is known as a truncated pyramid. The frustum of the pyramid is that portion of a pyramid that is cut through by a plane parallel to its base and lies between the vertex and the base.
a) First, we calculate the height of the frustum.
Let height be H
The base length be L1=24
Base width be W1=12
Top length is L2=14
To width be W2=13
Side height be C=13
Using the formula, H
[tex]H=\sqrt{ C^{2} - \frac{(L1-L2)^{2}}{2}}\\H=\sqrt{ 13^{2} - \frac{(24-14)^{2}}{2}}\\H=\sqrt{ 169 -50}\\H=\sqrt{119} \\H=11[/tex]
Now, the surface area of the frustum is LSA+area of bases of a frustum
Here, P1= perimeter of the base1 of the frustum
P2 is the perimeter of the base 2 of the frustum
[tex]L.S.A=\frac{1}{2} .(P1+P2).L \\=\frac{1}{2} .(72+42).24 \\=\frac{1}{2} .(114).24 \\=1368[/tex]
Now, S1 =area of base1 of frustum =288
S2= area of base 2 of frustum=98
TSA is given by LSA+area of bases of a frustum
=1368+288+98
=1724.
Therefore the surface area is 1724 square units.
b) Volume is given by
[tex]V=\frac{1}{3}.H.(S1+S2+\sqrt{S1S2} )\\ V=\frac{1}{3} . 11.(386+168)\\V=2031.33[/tex]
Therefore the volume is 2031.33 cube units.
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jon making a dog house to put in his backyard he uses more than 24 feet of wood for the project
Answer:
thanks.
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Round 54.71 to the nearest tenth
Answer:
the digit 1 is less than 5, so we round 54.71 down to 54.7.
Step-by-step explanation:
5(g + 8) - 7 = 117 - g = 14
14 is the answer
Which of the following choices is the area of the rectangle if the length is 8x and the width is 3y-2?
11xy-6x
24xy-16
24xy-16x
None of these choices are correct.
Answer:
Here,
the length=8x
the width =3y-2
We know that,
Area of rectangle=l×b
or, 8x × 3y-2
8x(3y-2)
24xy-16x
Hence, the correct answer is 24xy-16x
Write the linear equation in slope-Intercept form that passes through the given points.
4. (1.3) and (-3,-5)
6. (-12, 14) and (6,-1)
5. (1, 4) and (6, -1)
Answer:
1.3,-12,16
Step-by-step explanation:
Determine the value for m in the equation 1.3m = 0.78.
A. 10.14
B. 6.50
C. 0.60
D. 0.06
Answer:
0.60
Hope this helps, I believe in you!
Answer: The answer is C 0.60
Step-by-step explanation:
18.
Which of the following statements is true?
A. Angles are supplementary if and only
if they form a linear pair.
B. It is Valentine's Day if and only if it is
February.
C. A number is even if and only if it is
divisible by 2.
D. Lines are skew if and only if they are
non-coplanar.
Answer: The correct answer is D, Lines are skew if and only if they are non-coplanar.
In geometry, lines are said to be skew if they are non-coplanar, meaning they do not lie in the same plane. They also do not intersect.
Option A is incorrect because angles can be supplementary (add up to 180 degrees) even if they do not form a linear pair (meaning they do not share a common vertex and a common side).
Option B is incorrect because Valentine's Day does not always fall in February. It is February 14th, but it could fall on a different month in a different year.
Option C is correct because a number is even if and only if it is divisible by 2. An even number can be divided evenly by 2, while an odd number cannot.
Convert the following equation from standard form to slope-intercept form: -9x +3y = -12
Answer:
y=3x-4
Step-by-step explanation:
-9x+3y=-12
3y=12-9x
y=3x-4
In choosing what music to play at a charity fund raising event, Cory needs to have an equal number of piano sonatas from Haydn, Mozart, and Schubert. If he is setting up a schedule of the 15 piano sonatas to be played, and he has 52 Haydn, 18 Mozart, and 21 Schubert piano sonatas from which to choose, how many different schedules are possible? Express your answer in scientific notation rounding to the hundredths place.
Answer: Cory can have 6 different schedules
Step-by-step explanation:
Add them all together and divide by fifteen
The formula A=23.1 e^{0.0152t} models the population of a US state, A, in millions, t years after 2000.
a. What was the population of the state in 2000 ?
b. When will the population of the state reach 28.3 million?
a. In 2000 , the population of the state was ? million.
We want to study the population formula of a given US state according to exponential equation.
a) 23.1 millions.
b) in 2013 - 2014
What is exponential equation?
The exponential function may be a function denoted by f(x)=\exp or e^. Unless otherwise fixed, the term usually refers to the positive-valued operate of a true variable
Main body:
The population state is:
A = 23.1*e^(0.0153*t)
In millions.
Where t represents the number of years after 2000.
a) For the population at the year 2000, we need to evaluate the function at t = 0 (2000 is 0 years after 2000).
A(0) = 23.1*e^(0.0153*0) = 23.1
The population at year 2000 was 23.1 millions.
b) Now we want to solve:
A(t) = 28.3 = 23.1*e^(0.0153*t)
28.3/23.1 = e^(0.0153*t)
1.23 = e^(0.0153*t)
Now we can apply the natural logarithm to both sides:
ln(1.23) = ln( e^(0.0153*t) )
ln(1.23) = 0.0153*t
ln(1.23)/0.0153 = t = 13.5
Hence, 13.5 years after 2000 the population will be 28.3 million.
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3. Write the recursive formula given the following sequence: 20, 15, 10, 5, ...
The recursive formula for the arithmetic succession will be written as aₙ = 25 - 5n.
What is an arithmetic sequence?A series of integers called an arithmetic succession or arithmetic chain of events has a fixed difference between the terms.
Let a₁ be the first term and d be a common difference.
Then the nth term of the arithmetic sequence is given as,
aₙ = a₁ + (n - 1)d
The sequence is given below.
20, 15, 10, 5, .....
The first term is 20 and the common difference is given as,
d = 15 - 20
d = - 5
Then the recursive formula given the following sequence is given as,
aₙ = a₁ + (n - 1)d
aₙ = 20 + (n - 1) × (-5)
aₙ = 20 - 5n + 5
aₙ = 25 - 5n
The formula for the arithmetic sequence will be written as aₙ = 25 - 5n.
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