Vertical Angles have to be congruent and have the same vertex.
The correct options are:
B. Have the same vertex.
C. be congruent.
Step-by-step explanation:Vertical Angles--
These are formed by the intersection of two lines.When two lines intersect then four angles are formed such that each pair of the opposite angles are called vertical angles.The vertical angles have a common vertex.Since, one vertex is obtained when the lines intersect.They could never be adjacent angles.Also, they may be obtuse, acute or right angles.The measure of each of the vertical angles are always equal i.e. the angles are congruent.Find the difference. Express your answer in
simplest form.
g+1/g+2 - (5g+4)/g+2
Click on the correct answer.
A.-4g + 5/2g+4
B. -4g+5/g+2. C. 6g – 3/g+2
D. 6g - 3/2g +4
Answer:
-4g-3
------------
g+2
Step-by-step explanation:
g+1 5g+4
------------- - ------------------
g+2 g+2
Since the denominators are the same, subtract the numerators
g+1 - (5g+4)
Distribute the negative sign
g+1 -5g-4
-4g-3
Put this back over the denominator
-4g-3
------------
g+2
Answer:
-4g-3, g+2
Step-by-step explanation:
2 Points
The slope of a graphed line is -9 and the y-intercept is (0, -2). What is the
slope-intercept equation of the line?
O A. y = -9x-2
O B. y=-2x - 9
O c. y=9x-2
O d. y = 2x+ 9
SUBMIT
Answer:
A. y = -9x - 2Step-by-step explanation:
The slope-intercept form of an equation of a line:
y = mx + b
m - slope
b - y-intercept (0, b)
We have the slope m = -9 and the y-intercept (0, -2) → b = -2.
Substitute:
y = -9x + (-2) = -9x - 2
What is the value of x when solving the equation -2x+(-8)=2x+8 using algebra tiles?
x= -4
x= -2
x= 2
x= 4
Answer: The answer would be -4
Step-by-step explanation:
Answer:
-4
I did the exam trust me ok
there is a bag filled with 5 blue, 6 red and 2 green marbles. a marble is taken at random from the bag, the colour is noted and then it is replaced. another marble is taken at random. what is the probability of getting 2 blues?
Answer:
25/169
Step-by-step explanation:
We have 13 marbles ( 5+6+2)
P (blue ) = blue marbles/ total marbles = 5/13
P (blue ,blue) = 5/13* 5/13 since the marble is replaced
= 25/169
Which expression is equivalent to (125^2 / 125^4/3)
algebra II engenuity
Answer: Last option.
Step-by-step explanation:
To find which expression in equivalent to the expression [tex]\frac{125^2}{125^\frac{4}{3} }[/tex], you need to remember :
The Power of a power property:
[tex](a^m)^n=a^{(mn)}[/tex]
The Quotient of powers property:
[tex]\frac{a^m}{a^n} =a^{(m-n)}[/tex]
And the Product of powers property:
[tex](a^m)(a^n)=a^{(m+n)}[/tex]
Knowing that:
[tex]125=5*5*5=5^3[/tex]
Then, you get:
[tex]\frac{125^2}{125^\frac{4}{3} }=\frac{(5^3)^2}{(5^3)^\frac{4}{3} }=\frac{5^6}{5^4}=5^{(6-4)}=5^2=25[/tex]
Cary and his brother took a road trip together. The total number of miles they drove was more than 200. Cary drove for 50 miles. Which distances could his brother have driven? Check all that apply.
A.50 miles
B.100 miles
C.150 miles
D.200 miles
E.250 miles
Answer:
Step-by-step explanation:
The trick is not to include anything under and including 150 miles. So A B and C are not to be checked.
D and E are both true.
Answer:
Correct options are:
D.200 miles
E.250 miles
Step-by-step explanation:
Cary and his brother took a road trip together.
Cary drove for 50 miles.
Let his brother drove x miles
The total number of miles they drove was more than 200.
⇒ 50+x>200
⇒ x>200-50
⇒ x>150
i.e. Cary's brother drove for more than 150 miles
Hence, options which satisfies the above inequality are:
D.200 miles
E.250 miles
Calculate the mass of 5000 spherical lead shots each of diameter 3mm, given that 1 cm cubed of lead weighs 11.4g.
1. The first step to answering this question is to find the volume of a single spherical lead shot and then multiply this by 5000 to find the total volume of 5000 lead shots.
So, given that the lead shots are spherical, we must use the formula for the volume of a sphere:
V = (4/3)πr^3
Given that the diameter is 3mm, we can find the radius by dividing this by 2:
r = 3/2 = 1.5 mm
From here, there are two ways to proceed; we can either covert the radius into cm, or we can continue with the mm value and then convert the resulting volume in cubic mm into cubic cm (since we are given that 1 cm cubed of lead weighs 11.4g, we can already tell that we will have to finish with a volume in cubic cm). I will show both these methods as a) and b), respectively.
a) If there are 10 mm in 1 cm, and we have a radius of 1.5 mm, then to convert this into cm we need to simply divide by 10:
1.5 mm = 1.5/10 = 0.15 cm
Now that we have our radius in cm form, we can substitute this into the formula for the volume of a sphere that we specified at the very beginning:
V = (4/3)πr^3
V = (4/3)π(0.15)^3
V = (9/2000)π cm cubed, or
0.0045π cm cubed (in decimal form)
Now that we have the volume of one lead shot, all we need to do is multiply this by 5000 to find the volume of 5000 lead shots:
0.0045π*5000 = 22.5π cm cubed
Since we already have the total volume in cm cubed, there is no need to do any more conversions.
b) In this method, we will use radius = 1.5 mm and substitute this into the general formula for the volume of a sphere again:
V = (4/3)πr^3
V = (4/3)π(1.5)^3
V = (9/2)π mm cubed, or
4.5π mm cubed (in decimal form)
Thus, to calculate the volume of 5000 lead shots, we must multiply this value by 5000:
4.5π*5000 = 22500π mm cubed
Now comes the part where we must convert this into cubic cm; to do this we simply take the value in cubic mm and divide it by 10^3 (ie. 1000). Thus:
22500π/1000 = 22.5π cm cubed
As you can see, we end up with the same answer as in a). The key here is to remember that you need to convert, so maybe write a note to yourself at the start of the question and pay close attention to the different units in both the question and your working.
2. Now that we know that the volume of 5000 spherical lead shots is 22.5π cm cubed, we need to calculate their mass.
We are given that 1 cm cubed of lead weighs 11.4 g, thus to calculate the mass of 22.5π cm cubed of lead, we need to multiply this value by 11.4. Thus:
Mass = 22.5π*11.4
= 256.5π g
Note that this is the answer in exact form. I wasn't entirely sure about the rounding required or the value of π that you were specified to use (eg. exact, 22/7, 3.14), so if you wanted me to edit the answer to reflect that or had any questions, feel free to comment below.
Find x 4.0 58 degrees
Answer: 4.7
Step-by-step explanation:
Use Soh Cah Toa
[tex]sin \theta=\dfrac{opposite}{adjacent}\\\\\\sin(58^o)=\dfrac{4.0}{x}\\\\\\x=\dfrac{4.0}{sin(58^o)}\\\\\\x=4.7[/tex]
Answer:
The value of x = 4.7
Step-by-step explanation:
From the figure we can see aright triangle with height = 4.0 and one angle is 58°
Points to remember
Trigonometric ratios
Sin θ = Opposite side/Hypotenuse
To find the value of x
Sin 58 = Opposite side/Hypotenuse
= 4/x
x = 4/Sin (58)
= 4/0.848
= 4.71 ≈ 4.7
Therefore the value of x = 4.7
How to rationalize the denominator of sqrt(a)/sqrt(a)-2
Answer:
√a(√a + 2) a - 2√a
----------------- = -----------------
a - 4 a - 4
Step-by-step explanation:
I am assuming that by "sqrt(a)/sqrt(a)-2" you meant:
√a
----------
√a - 2
To rationalize the denom., multiply numerator and denom. of this fraction by the conjugate of √a - 2, which is √a + 2:
√a(√a + 2)
-----------------
a - 4
In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. If the the flagpole is 18 ft tall, how tall is the building? Round the the nearest tenth.
Answer: 78.8 ft
Step-by-step explanation:
Similar triangles have proportional sides.
[tex]\dfrac{\text{building shadow}}{\text{building height}}=\dfrac{\text{flagpole shadow}}{\text{flagpole height}}\\\\\\\dfrac{35}{\text{building height}}=\dfrac{8}{18}\\\\\\\dfrac{35\times 18}{8}=\text{building height}\\\\\\\dfrac{35\times 9}{4}=\text{building height}\\\\\\\dfrac{315}{4}=\text{building height}\\\\\\\boxed{78.75=\text{building height}}[/tex]
Which expression is equivalent to 16^3?
A. 2^7
B. 2^11
C. 2^12
D. 2^64
For this case we must find an expression equivalent to:
[tex]16 ^ 3[/tex]
We can rewrite 16 as [tex]2 * 2 * 2 * 2 = 2 ^ 4[/tex]
Rewriting the expression we have:
[tex](2 ^ 4) ^ 3 =[/tex]
By definition of power properties we have to:
[tex](a ^ n) ^ m = a ^ {n * m}[/tex]
So, we have:
[tex](2 ^ 4) ^ 3 = 2 ^ {12}[/tex]
Answer:
Option C
Answer:
C
Step-by-step explanation:
edg2021
In the diagram m ll n. identify all the angles that are congruent to angle 2
Answer:
A; 4,6,8
Step-by-step explanation:
Answer:
angles 4,6,8
Step-by-step explanation: Did it on i-ready and got it right.
Juan just took a 40 question math test. He scored 75%. How many questions did he get correct
Answer:
30
Step-by-step explanation:
40
x 0.75
-----------
= 30
What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm
Answer:
5pi over 3 cm!
Step-by-step explanation:
The formula used to find the arc length is: [tex]S= r θ[/tex] where, 'r' represents the radius and θ represents the central angle in radians.
We know that r = 5cm and θ=pi/3.
Using the formula:
s = r θ = 5cm(pi/3) = 5pi/3.
Then, the solution is: 5pi over 3 cm!
Express in scientific notation,
458,700
4,587 * 10 5
4,587 * 104
4,587 * 104
4,587 * 106
Answer:
A
Step-by-step explanation:
458,700 = 4.587 * 10^5
Answer:
A
Step-by-step explanation:
How to cube a fraction? Please help, thank you.
Answer:
See below.
Step-by-step explanation:
An example will illustrate the method:
(2/3)^3
= 2^3 / 3^3
= 8/27.
An object is launched upward
from 62.5 meters above ground level with an
initial velocity of 12 meters per second. The
gravitational pull of the earth is about 4.9
meters per second squared. How long will the
object take to hit the ground?
Check the picture below. The picture is using feet, but is pretty much the same trajectory for meters.
so the object hits the ground when y = 0, thus
[tex]\bf ~~~~~~\textit{initial velocity} \\\\ \begin{array}{llll} ~~~~~~\textit{in meters} \\\\ h(t) = -4.9t^2+v_ot+h_o \end{array} \quad \begin{cases} v_o=\stackrel{12}{\textit{initial velocity of the object}}\\\\ h_o=\stackrel{62.5}{\textit{initial height of the object}}\\\\ h=\stackrel{}{\textit{height of the object at "t" seconds}} \end{cases} \\\\\\ h(t)=-4.9t^2+12t+62.5\implies \stackrel{\textit{hitting the ground}}{\stackrel{h(t)}{0}=-4.9t^2+12t+62.5}[/tex]
[tex]\bf ~~~~~~~~~~~~\textit{using the quadratic formula} \\\\ h(t)=\stackrel{\stackrel{a}{\downarrow }}{-4.9}t^2\stackrel{\stackrel{b}{\downarrow }}{+12}t\stackrel{\stackrel{c}{\downarrow }}{+62.5} \qquad \qquad t= \cfrac{ - b \pm \sqrt { b^2 -4 a c}}{2 a} \\\\\\ t=\cfrac{-12\pm\sqrt{12^2-4(-4.9)(62.5)}}{2(-4.9)}\implies t=\cfrac{-12\pm\sqrt{144+1225}}{-9.8} \\\\\\ t=\cfrac{12\mp\sqrt{1369}}{9.8}\implies t=\cfrac{12\mp 37}{9.8}\implies t= \begin{cases} \stackrel{\approx}{-2.55}\\ 5 \end{cases}[/tex]
we can't use -2.55, since it's seconds and can't be negative, so t = 5 seconds later.
What’s the mode of data set 23,95,100,23,100,100
Answer:100
Step-by-step explanation:
That is the most common number
Hello There!
Mode: The number that occurs most often in a set of numbers
in this case, the number 100 occurs more than any other number in the set. This means that the mode for this set of data is 100.
Multiplying an even number of negative numbers gives an answer that is
choose from:
Answer:
A positive number
Step-by-step explanation:
Explain the process for factoring each of the following: a. x^2-25 b. 3x^2-12x-15 c. x^3+2x^2+3x+6
Answer:
a. (x+5)(x-5)
b. 3(x+1)(x-5)
c. (x^2+3)(x+2)
Step-by-step explanation:
a. x^2-25
The given expression can be factorized using the formula:
[tex]a^{2} -b^{2} =(a+b)(a-b)\\So,\\x^{2} -25\\=(x)^{2}-(5)^{2}\\=(x+5)(x-5)[/tex]
b. 3x^2-12x-15
We can see that 3 is common in all terms
=3(x^2-4x-5)
In order to make factors, the constant will be multiplied by the co-efficient of highest degree variable
So,
[tex]3[x^{2} -4x-5]\\=3[x^{2}-5x+x-5]\\=3[x(x-5)+1(x-5)]\\=3(x+1)(x-5)[/tex]
c. x^3+2x^2+3x+6
Combining the first and second pair of terms
[tex]x^{3}+2x^{2}+3x+6 \\=[x^{3}+2x^{2}]+[3x+6]\\Taking\ x^{2}\ common\ from\ first\ two\ terms\\=x^{2} (x+2)+3(x+2)\\=(x^{2}+3)(x+2)[/tex]
The diagram below shows a pyramid glued to a the top of a cube.Given that the slant height of the pyramid is 5.9 centimeters,
Find the total surface area of the solid rounded to the nearest square centimeter.
Plz help. Answer quick.
Answer:
The total surface area is [tex]251\ cm^{2}[/tex]
Step-by-step explanation:
we know that
The total surface area of the composite figure is equal to the lateral area of the pyramid plus the lateral area of the cube plus the area of the base of the cube
The lateral area of the pyramid is equal to the area of the four lateral triangular faces of the pyramid
The lateral area of the cube is equal to the area of the four lateral square faces of the cube
so
[tex]SA=4[\frac{1}{2}(b)(h)]+4(b^{2})+b^{2}[/tex]
we have that
[tex]b=6\ cm[/tex]
[tex]h=5.9\ cm[/tex]
substitute
[tex]SA=4[\frac{1}{2}(6)(5.9)]+4(6^{2})+6^{2}[/tex]
[tex]SA=70.8+144+36[/tex]
[tex]SA=250.8\ cm^{2}[/tex]
Round to the nearest square centimeters
[tex]250.8=251\ cm^{2}[/tex]
Given that the triangles shown below are similar, what is the value of x?
Answer:
c. 5
Step-by-step explanation:
Because 15 divided by 3 equals 5
So 25 divided by 5 equals 5 (dont know if it is correct)
From concept of similar triangles, the value of x is Option (C) 5 .
What are similar triangles ?Similar triangles are triangles that have the same shape but their sizes, dimensions may vary. All equilateral triangle, squares of any shape are example of similar objects. If two triangles are similar triangles then their corresponding angles are congruent and the corresponding sides are in equal proportion.
How to find the corresponding side using concept of proportion ?We know from concept of similar triangles, the corresponding sides are in equal proportion.
Both the triangle given in the diagram are similar.
The unknown side given is x .
Using proportion concept,
⇒ [tex]\frac{15}{3} = \frac{25}{x}[/tex]
⇒ [tex]x = \frac{25}{5}[/tex]
∴ [tex]x = 5[/tex]
Thus, From concept of similar triangles, the value of x is Option (C) 5.
To learn more about concepts of similar triangles, refer -
https://brainly.com/question/8474273
#SPJ2
simplify the following radical expression 4/2•8/2•/2
[tex] \sqrt[4]{2} \times \sqrt[8]{2} \times \sqrt{2} [/tex]
Answer: [tex]\bold{\sqrt[8]{2^7} }[/tex]
Step-by-step explanation:
[tex]\sqrt[4]{2} \times \sqrt[8]{2} \times \sqrt[2]{2}\\\\={2^{\frac{1}{4}}\times 2^{\frac{1}{8}}\times 2^{\frac{1}{2}}\\\\=2^{\frac{1}{4}+\frac{1}{8}+\frac{1}{2}}\\\\=2^{\frac{2}{8}+\frac{1}{8}+\frac{4}{8}}\\\\=2^{\frac{7}{8}}\\\\\\=\large\boxed{\sqrt[8]{2^7}}[/tex]
Which statement is true about a number and its additive inverse?
A. Their product is always one.
B. Their sum is always one.
C. They are always reciprocals of each other.
D. Their sum is always zero.
Answer:
Option D is correct.
Step-by-step explanation:
The additive inverse of a number is the same number with the negative sign
i.e. if we have a number 1 then it's additive inverse would be -1
So if we add both the number and its additive inverse the answer would be zero.
1+(-1) = 0
So, Option D their sum is always zero is correct.
Answer: Option D
Their sum is always zero
Step-by-step explanation:
Given any number x, the additive inverse of x is -x.
For example, the additive inverse of 3 is - 3, the additive inverse of 2.2 is -2.2.
In this way, note that adding a number with the additive inverse of this number will always result in the number zero.
[tex]x + (-x) = 0[/tex]
Therefore, the correct option is option D
A=8 , b=15 ,c= The Pythagorean theorem
Final answer:
Using the Pythagorean theorem with the given lengths of the sides a=8 and b=15, the hypotenuse c is found to be 17 units.
Explanation:
The question involves finding the length of the hypotenuse c in a right triangle using the Pythagorean theorem, which states that in a right triangle the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). Given that a = 8 and b = 15, we can apply the theorem:
c² = a² + b²
c² = 8² + 15²
c² = 64 + 225
c² = 289
c = √289
c = 17
Therefore, the length of the hypotenuse c is 17 units.
What is the square root of 5 multiplied by the square root of 5
Answer:
5
Step-by-step explanation:
Any square root multiplied by the same square root cancels out.
sqr(x) * srt(x) = x
Answer:
5
Step-by-step explanation:
Which expression has a negative value?
2+12
(-3)(-8)
10-(-18)
-35-5
Answer:
-35-5
Step-by-step explanation:
-35-5=-40
which is negative
plz mark my answer as the brainliest
The expression -35-5 has a negative value after adding two negative number we get negative number option fourth is correct.
What is an arithmetic operation?It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.
We have expressions:
= 2+12
= 14
= (-3)(-8)
= 24
= 10-(-18)
= 10+18
= 28
= -35-5
= -40
Thus, the expression -35-5 has a negative value after adding two negative number we get negative number option fourth is correct.
Learn more about the arithmetic operation here:
brainly.com/question/20595275
#SPJ2
if a sum is 100 and the different is six what is the answer
Answer:
53+47
Step-by-step explanation:
100-53 is 47. 53-47 gives you 6
Answer:
The numbers are 53 and 47.
Step-by-step explanation:
You didn't write out the problem completely, but this may be the problem:
The sum of two numbers is 100. The difference of the two numbers is 6. What are the numbers?
Let the numbers be x and y.
The sum of two numbers is 100.
x + y = 100
The difference of the two numbers is 6.
x - y = 6
We have a system of two equations in two variables.
x + y = 100
x - y = 6
Add the equations.
2x = 106
x = 53
Now substitute 53 for x in the first equation and solve for y.
53 + y = 100
Subtract 53 from both sides.
y = 47
The numbers are 53 and 47.
Write an equation for a polynomial that has the solution set {-1,3,4}
Answer:
(x+1)(x-3)(x-4)=0 is a polynomial equaiton with the zeros mentioned (the answers could vary-means there are multiple answers)
Step-by-step explanation:
If x=-1 is a zero then (x+1) is a factor
If x=3 is a zero then (x-3) is a factor
If x=4 is a factor then (x-4) is a factor
Put it together (while the polynomial equations can be many different polynomial equations) here is one answer (x+1)(x-3)(x-4)=0
The ratio of the number of the Nano Club members to the Kembara Club members is 5:3.
The ratio of the Kembara Club members to the Darian Club members is 2:x.
The number of Nano Club members is 120.
1) Find the number of the Kembara Club members
2) If the number of the Darian Club members is 36 more than the number of the Kembara Club members, calculate the value of x
Answer:
Kembara Club = 72
x = 3
Step-by-step explanation:
120/5+3 = 24.
3*24 = 72
36+72= 108
108/72= 1.5
1.5*2= 3
Kembara=72
x=3