i need help with algebra 2 pleasee
Answer:
[tex]x=\pm \sqrt{21}/7[/tex]
Step-by-step explanation:
We can add 9 to both sides of the equation to get [tex]21x^2=9[/tex].
We can divide both sides of the equation by 21 to get [tex]x^2=9/21[/tex].
We take the square root of both sides of the equation to get [tex]x=\pm \sqrt{9/21}[/tex].
However, that isn't in the form we need.
We know that [tex]\sqrt{9/21}=\sqrt{9}/\sqrt{21}=3/\sqrt{21}=3\sqrt{21}/(\sqrt{21}*\sqrt{21})=3\sqrt{21}/21=\sqrt{21}/7[/tex]
so the answer is really [tex]x=\pm \sqrt{21}/7[/tex] and we're done!
This is the Length of Arc....pls. try to answer.
Answer:
75 cmmmmmmmmmmmmmmmmmm
Help!! I’ll mark brainly list but explain
Answer:
0.125
Step-by-step explanation:
(4)(-2)-3(-3)/3+5=
1/8=
0.125
[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
let's evaluate :
[tex] \dfrac{(4a - 3b) {}^{3} }{c + 5}[/tex]In the given expression, let's plug the value of
a = -2 b = -3c = 3so,
[tex] \dfrac{ \{(4 \times (- 2)) - (3 \times (- 3)) \} {}^{3} }{3 + 5}[/tex][tex] \dfrac{ \{ - 8 - ( - 9) \} {}^{3} }{8}[/tex][tex] \dfrac{ \{ - 8 + 9 \} {}^{3} }{8}[/tex][tex] \dfrac{(1) {}^{3} }{8} [/tex][tex] \dfrac{1}{8} [/tex]15 friends sold the same number of tickets each. They sold x tickets altogether. How many tickets did each of them sell?
Answer:
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Answer:
Hey man im not very smart
Step-by-step explanation:
In a circle of radius 1, what is the length of an arc cut off by a central angle of 2 radians?
Answer:
What is the length of an arc cut off?
If θ (in radians) is a central angle in a circle with radius r, then the length of the arc cut off by θ is given by s = r θ (θ is in radians).
Step-by-step explanation:
Length of an Arc = θ × r, where θ is in radian.
Length of an Arc = θ × (π/180) × r, where θ is in degree.
Evaluate V.
V=LWH
L=3. W = 2. H= 1
Answer:
Answer is 6cm³
Step-by-step explanation:
V = 3 × 2 × 1
= 6cm³
what is (4,5) reflected over line x=2
[tex]\sf 500+60+70[/tex]
............... that just 630
What is the equivalent ratio to 7 : 20
Answer:
14:40
Step-by-step explanation:
What is the value of 5c + 2, if c= 6
To evaluate the expression, we will need to plug in a 6 everywhere there is a c.
5c + 2
5(6) + 2
30 + 2
32
Hope this helps!! :)
(3a ^2 + 1) - ( 4+2a^2)
Answer:
a^2 - 3
Step-by-step explanation:
(3a^2 + 1) - (4 + 2a^2)
3a^2 + 1 - 4 - 2a^2
a^2 - 3
at a toy store colton can buy a package of 6 mini footballa for $7.50. or a package of 8 mini footballs for $9.60. wich option has the lesser price per mini football
Answer:
The 6 pack
Step-by-step explanation:
i searched it up
The required option that has a lesser price per mini football is a package of 8.
Given that,
at a toy store, Colton can buy a package of 6 mini footballs for $7.50. or a package of 8 mini footballs for $9.60. wich option has the lesser price per mini football is to be determined.
The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
For 6 package footballs the cost of a mini football = 7.50 / 6 = $1.25.
For 8 package footballs the cost of a mini football = 9.60 / 8 = $1.20.
Thus, the required option that has a lesser price per mini football is a package of 8.
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What is the slope of x+y=4
[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
Let's find the slope :
[tex]x + y = 4[/tex][tex]y = 4 - x[/tex][tex]y = - x + 4[/tex]now, the equation is in the general form of a straight line.
and here, the coefficient of x will be the slope of given line.
that is :
[tex] - 1[/tex]Use the graph to estimate the value of y when x = 2.5
Answer:
y=7
y will equal to 7 when x is 2.5
4.
Solve the following equation for x. Represent
your answer in two forms, (1) with radicals and
(2) with rational exponents: x^4 = y^7
Answer:
7
Step-by-step explanation:
7 =2 hx x e
The square on the right is a scaled copy of the square on the left. Identify the scale
factor. Express your answer as a whole number or fraction in simplest form.
33/2
11
11
33/2
The scale factor as fraction in simplest form is 3/2.
What is the fundamental principle of multiplication?Multiplication is the mathematical operation that is used to determine the product of two or more numbers. If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.
Given square on the right is a scaled copy of the square on the left.
So 11 is being multiplied by something to get to 33/2
So 11x = 33/2
Solve for x:
11x = 33/2
x = 33/ 2(11)
x = 3/2
The scale factor as fraction in simplest form is 3/2.
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Sam had $25 more than Mary, and together they had enough money to buy a video game for $57 and to pay $16 for two movie tickets. How much money did Mary have?
Answer:
Mary had $24
Step-by-step explanation:
So to solve this question, we first have to create an equation.
Mary's money=x
Since Sam had $25 more than Mary, $Sam+$Mary is (25+x)+x.
With this money, they can buy something worth $57 and something worth $16, so that means (25+x)+x=57+16
Now we solve the equation-->
(25+x)+x=57+16
Combine x and x to get 2x.
25+2x=57+16
Add 57 and 16 to get 73.
25+2x=73
Subtract 25 from both sides.
2x=73−25
Subtract 25 from 73 to get 48.
2x=48
Divide both sides by 2.
x= 2/48
Divide 48 by 2 to get 24.
x=24
what is the value of x?
Fill in the missing statements and reasons in this proof. Number your reasons 1 through 5 as they would be shown in the chart below.
Given: m∠LOM = m∠JKI;
m∠MON = m∠IKH
Prove: m∠LON = m∠HKJ
The missing statements and their reason are shown below.
What is angle?A figure which is formed by two rays or lines that shares a common endpoint is called an angle.
1. m∠LOM = m∠JKI and m∠MON = m∠IKH
Reason : Given
2. m∠LOM + m∠MON = m∠JKI +m∠MON
Reason :equals are added to another remains equal.
3. m∠LOM + m∠MON = m∠JKI +m∠JKH
Reason :m∠MON = m∠IKH.
4. m∠LOM + m∠MON = m∠LON
m∠JKI +m∠JKH = m∠HKJ
Reason: parts are equal to whole.
5. m∠LON = m∠HKJ
Reason: from point 3 and 4
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What is the slope of a line perpendicular to the line whose equation is 10x + 6у –84. Fully simplify your answer.
Answer:
The slope is 3/5.
Step-by-step explanation:
I am assuming you mean
10x + 6y = 84
6y = -10x + 84
y = -5/3 x + 14.
So the slope of this line is -5/3 and the slope of a line perpendicular to it is
-1 / -5/3 = 3/5.
3 an 3/4x2 an 2/3................
Answer:
M expression:
3x^2/2
D expression:
3, 3/4 x^2, 2/3
#10 Compare the
numbers below using <, >
or =
-67 _-62
Answer: the answer is -67<-62
Step-by-step explanation:
Answer:
-67<-62
Step-by-step explanation:
Can someone help!!! I've been stuck on this for a while
A store sells notepads in packages of 24 and packages of 6. The organizers of a conference needs to prepare at least 200 notepads for the event. Would they have enough notepads if they bought five packages of 24 and fifteen packages of 6 ?
Answer: Yes they would have enough notepads
Step-by-step explanation:
24 * 5 = 120
15 * 6 = 90
120 + 90 = 210
The organizers will have enough notepads if they bought five packages of 24 and fifteen packages of 6.
Given that, a store sells notepads in packages of 24 and packages of 6.
What is the unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Now, the number of note pads with five packages of 24
24 × 5 = 120
The number of note pads with fifteen packages of 6
15 × 6 = 90
Total number of note pads
= 120 + 90 = 210
Therefore, the organizers will have enough notepads if they bought five packages of 24 and fifteen packages of 6.
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Find the area of the shaded portion.
Answer:
Step-by-step explanation:
There's a fact hidden in the diagram that if you do not know it, the problem will be very difficult to solve. The fact is this. If a 60 degree angle is enclosed by the hypotenuse and the other of side of the 60 degree angle. the hypotenuse is 2 times the length of the side.
In this case the hypotenuse is 12. The given side is 6. The third side of the right triangle is 12^1 - 6^2 = 144 - 36 = 108
The length of the third side is sqrt(108) = 6*sqrt(3)= 10.39
The area of one of the triangles is 1/2 * 6 * 10.39 = 31.18
The area of two of the triangles is 2 * 31.18. = 62.36
Now you you have to do is find the area of the unshaded sector
Area = given angle / 360 * pi * r^2
Area = 120/360 * 3.14 * 6^2
Area = 37,68
The area of the shaded part = the area of the 2 triangles - the unshaded sector
The area of the shaded part = 62.36 - 37.68 = 24.68
A coordinate grid showing Time in hours on the x-axis and Distance from Start in miles. A line plotted passing through the 2 points at (0, 0) and (3, 180).
Abigail drives at an average speed of 60 miles per hour for 3 hours. The graph shows her distance versus time. Which statements are true? Check all that apply.
As Abigail’s time increases, her distance increases.
As Abigail’s time increases, her distance decreases.
At 2 hours, Abigail has traveled 120 miles.
At 1.5 hours, Abigail has traveled 100 miles.
At 3 hours, Abigail has traveled 180 miles.
Answer: 1,3, and 5
1.) As Abigail’s time increases, her distance increases.
3.) At 2 hours, Abigail has traveled 120 miles.
5.) At 3 hours, Abigail has traveled 180 miles.
Step-by-step explanation: i hope this helps :)
A, C, E
As Abigail’s time increases, her distance increases.
At 2 hours, Abigail has traveled 120 miles.
At 3 hours, Abigail has traveled 180 miles.
Step-by-step explanation:peep the attachment
HELP PLEASE BRAINIEST IF CORRECT!!!!!
Answer:
1/4
Step-by-step explanation:
If two angles add up to 180 how many angles are there?
Answer:
Step-by-step explanation:
According to Supplementary Angles rules: two angles add up to 180
What is the area? IXL assignment
Answer:
(36.4+18.7)x22.3/2 = 614.365
Step-by-step explanation:
up+downxheight/2
Given g(x)=-2x-1g(x)=−2x−1, find g(-4)g(−4)
Answer:
7
Step-by-step explanation:
The function f is defined by g(x) = -2x-1. so the function defined as g (-4) will be equal to g (-4) = 7.
What is a function?Function is a type of relation, or rule, that maps one input to specific single output.
The function f is defined by g(x)=−2x−1
We need to find the function defined as g(-4).
Then substitute;
g(x)=−2x−1
g(-4 ) =−2 (-4) − 1
g(-4 ) = 8 -1
g(-4 ) = 7
Therefore, The function f is defined by g(x) = -2x-1. so the function defined as g (-4) will be equal to g (-4) = 7.
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