Answer:
x −2 −1 0 1 2
y −6 −4 −2 0 2
The graph of y=2x-2 is given in attachment and slope of given line is 2.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
The given equation of the line is y=2x-2
We need to draw the graph of equation y=2x-2.
We need to find values of x and y to plot the graph.
If x=-2,
then y=-6
if x=-1
then y=-4
if x=0
then y=-2
if x=1
then y=0
if x=2
then y=2
if x=3
then y=4
Hence, the graph of y=2x-2 is given in attachment and slope of given line is 2.
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Find the expected value of the random variable with the given probability distribution.
Answer:
The formula is given as E(X)=μ=∑xP(x) Step-by-step explanation:
multiply each value of the random variable by its probability and add the products.
what is the slope of a line perpendicular to the line whose equation is x+y=-1
On a certain hot summer's day, 444 people used the public swimming pool. The daily prices are $1. 75 for children and $2. 50 for adults. The receipts for admission totaled $1065. 75. How many children and how many adults swam at the public pool that day
Answer:
the total receipt for admission is 1065.75? or just 1065? please tell me so I can help you T_T
Put the following equation of a line into slope-intercept form, simplifying all
fractions.
6x + 4y = 8
Answer:
[tex]y=-\frac{3}{2}+2[/tex]
Step-by-step explanation:
First subtract 6 from both sides:
[tex]6x+4y=8[/tex]
-6 -6
New equation becomes:
[tex]4y-6=8[/tex]
Divide all by 4:
4 -6 8
--- --- ---
4 4 4
[tex]y=-\frac{3}{2}+2[/tex]
Hence, the final answer is [tex]y=-\frac{3}{2}+2[/tex]
The volume of a sphere is 36 cubic inches. What is the radius of the sphere?
Answer:
2.05 inches
Step-by-step explanation:
V = 4/3 x πr³
36=4πr³/3
36x3= 4πr³
108= 4πr³
108/4 = πr³
27= πr^3
27/π =r³
r=
[tex] \sqrt[3]{27 \div \pi} [/tex]
r= 2.048in
round off to 2.05in
PROOF
V = 4÷3 x πr³
V= 4/3 x π(2.05)³
V=4/3 x π8.6
V=4×π×8.6/3
V=108/3
V=36in³
Therefore: radius= 2.05 inches
Is a  circle not a parallelogram?
Answer:
A parrelogram is a shape with four sides (and something else I forgot). That doesn't matter because a circle doesn't even have sides! Therefore, it's not a parallelogram.
MULTIPLE CHOICE QUESTION
The REFLECTION of a point should ALWAYS be the SAME DISTANCE away from the opposite side of the line of reflection.
FALSE or TRUE?
Answer:
True
Step-by-step explanation:
A reflecrion always is the sam edustance because then it makes it look like they are reflecting each other.
In the figure, m∠2 = (20x + 52)° and m∠7 = (40x – 48)°
For what value of x is line m parallel to line n?
18
5
44
3
Answer:
The answer is 5
Step-by-step explanation:
I took the test :)
Answer 5
Step-by-step explanation:
John and 2 friends are going out for pizza for lunch. They split one pizza and 3 large drinks. The pizza cost $12.50. They spend a total of $16.85. Write an equation to represent the problem. Find the cost of one large drink.
Answer:
Hm, okay.
Step-by-step explanation:
So, if the pizza cost $12.50, and the total money spent is $16.85, we must first subtract our money spent on pizza from the total amount spent.
$16.85 - $12.50 = $4.35
So, that means that John and his two friends spent $4.35 on 3 large drinks. But how do we figure out how much each individual drink cost?
We divide $4.35 by 3.
$4.35 / 3 = $1.45.
So, the amount of money spent on one large drink was $1.45.
i need help ASAP!!!!!!
Answer:
A)Deductive
B)Deductive
C)Inductive
D) Deductive
Step-by-step explanation:
Can someone help me 5-13 please?
Answer: see below
Step-by-step explanation:
#5 - 7: Domain are the x-values and Range are the y-values.
5) Coordinates are: (-2, 3), (0, 3), (2, 3), (4, 3)
Domain: x = {3} Range: y = {-2, 0, 2, 4}
6) All points on the curve between -4 and 2 (x-values) & 3 and 6 (y-values). Endpoints are included.
Domain: -4 ≤ x ≤ 2 Range: 3 ≤ y ≤ 6
7) All points on the curve between 2 and 7 (x-values) & 1 and 6 (y-values). Endpoints are not included.
Domain: 2 < x < 7 Range: 1 < y < 6
#8 - 11: Choose points for x. Plug them into the equation to solve for y.
To graph the equation, plot the points and connect the dots.
8) x y = x
-2 -2
-1 -1
0 0
1 1
2 2
9) x y = 2x+1
-2 2(-2)+1 = -3
-1 2(-1)+1 = -1
0 2(-0)+1 = 1
1 2(1)+1 = 3
2 2(2)+1 = 5
Note:
You are allowed a maximum of 3 questions. I answered 5 questions. If you need help with the rest of your homework, you will need to create another post.
In a class of 30 pupils, if 16 are males. Calculate the ratio of females : total
In 5 days, Nicole ran a total of 10 miles. She ran the same amount each day. How much did she run each day?
Answer:
She ran 2 miles each day
Step-by-step explanation:
Factors of x2 + xy+ 8x + 8y
Answer:
(x + y)(x + 8)
Step-by-step explanation:
x² + xy + 8x + 8yx² + 8x + xy + 8y [∴Combining like terms]x(x + 8) + y(x + 8)(x + y)(x + 8)
Answer:
(x + y) (x + 8)
Step-by-step explanation:
[tex]x^2+xy+8x+8y[/tex]
[tex]=\left(x^2+xy\right)+\left(8x+8y\right)[/tex]
[tex]\mathrm{factor\;out\;x\;from\;x^2+xy}:x(x+y)[/tex]
[tex]\mathrm{factor\;out \;8\;from\;8x+8y}:8(x+y)[/tex]
[tex]=x\left(x+y\right)+8\left(x+y\right)[/tex]
[tex]\mathrm{Factor\:out\:common\:term\:}x+y[/tex]
[tex]=\left(x+y\right)\left(x+8\right)[/tex]
Answer = [tex]\left(x+y\right)\left(x+8\right)[/tex]
~Learn with Lenvy~
need help pls and how was yall day
f=1.8c+32
Answer:
author link
annaking0830
Ambitious
14 answers
987 people helped
Answer:
0.5f - 17.77
Step-by-step explanation:
im pretty sure thats right im not 100% sure more like 80% sure but ya thats what i got hope its right :)
p.s i do khan too!!
Answer:
Answer:
author link
annaking0830
Ambitious
14 answers
987 people helped
Answer:
0.5f - 17.77
Step-by-step explanation:
im pretty sure thats right im not 100% sure more like 80% sure but ya thats what i got hope its right :)
Step-by-step explanation:
Bridgette has 25 pairs of black socks, 15 pairs of white socks, and 20 pairs of colorful socks. What is the ratio of colorful socks to total socks?
help?!
could you please explain to?!
Answer:
Step-by-step explanation:
So the total # of socks is 25 + 15+ 20, which equals 60.
theres ONLY 20 socks that are colorful, meaning that 20/60 are coloful.
20/60 simplified is 2/6, simply that even further its 1/3, 1/3 is a ration within itself. itll be 1:3
Answer:
1:3 (20:60)
Step-by-step explanation:
So the ratio of colorful socks to total socks is 20:60
This is how:
First write the number of colorful socks which is 20.
From the calculate the total number of socks( 20 + 25 + 15 = 60) which is 60.
Then put a colon and write 60
You need to write the number of colorful socks because that is what was mentioned first then the total number of socks because it was mentioned after the number of colorful socks.
So you can reduce 20:60 to its lowest term.
You write 20: 60 as a fraction [tex]\frac{20}{60}[/tex]
Then reduce [tex]\frac{20}{60}[/tex] to its lowest term which is [tex]\frac{1}{3}[/tex].
Then write [tex]\frac{1}{3}[/tex] as a ratio which is 1:3
HOPE THIS HELPED
how do I find the surface area and volume of any shape?
Answer:
Step-by-step explanation:For any shape it’s always true that for volume
V
the surface area is: =2‾‾‾√3
for some constant depending on the shape. So to work out the surface area from the volume we just need to know the value of for the shape in the question.
For a cube for example we have that =6, assuming consistent units i.e.: unit 2 for area and unit 3
3
for volume.
More generally if we have formula for both volume and surface area in terms of a particular one dimensional measurement
d
of the shape then we can always write these formula in the form:
=13
=12
for constants constants 1 and 1
. Then we have:
=1‾‾‾√3
=1(1)2‾‾‾‾‾‾√3
=121‾‾‾√32‾‾‾√3
and therefore:
=121‾‾‾√3
For example for a sphere we have that that =42 and =433 and therefore:
=4(43)2‾‾‾‾‾‾√3
=36‾‾‾‾√3
So if a particular sphere has volume =8 then we can calculate its surface area to be:
=36‾‾‾‾√382‾‾√3=436‾‾‾‾√3 m2
A bus driver marries a dental assistant. What is their
combined income each week?
Helppppp please
Answer:
it should be 1571.19
Step-by-step explanation:
If you combine the you just need to add them using the amount under weekly 584+987.19= 1571.19 weekly
Percy paid $24. 10 for a basketball. The price of the basketball was $22. 99. What was the sales tax rate?.
Answer:
$3.11
Step-by-step explanation:
you have to subtract 24.10 from 22.99
Answer:
First let's find the increase of the original price to it's new price;
24.10 - 22.99 = 1.11, there was a $1.11 increase.
Though, we need to find the percentage, using the formula:-
Changed price 100
____________ x _____ (100%)
Original amount 1
Our changed price was 1.11, and our original price was 22.99.
1.11 100
_____ x _____ = 4.828 which rounds to 4.83%
22.99 1
please help please please
Answer:
f(-2) = 8
Step-by-step explanation:
Graph y = f(x)
Find value of f(-2)
when f(x) = f(-2)
Here we are looking for the value of y when x = -2
From the graph when x = -2 then y = 8
Therefore, f(-2) = 8
In a class of 30 children there are g,girls what fraction of the class are boys
Answer:
the fraction of the class that are boys is B/30, or b=30-g.
Both these answers work
Step-by-step explanation:
Which product of prime polynomials is equivalent to 3x4 – 81x? 3x(x – 3)(x2 – 3x – 9) 3x(x – 3)(x2 3x 9) 3x(x – 3)(x – 3)(x 3) 3x(x – 3)(x 3)(x 3)
The product of prime polynomials [tex]\rm 3x(x-3)(x^2+3x+9)[/tex] is equivalent to
[tex]\rm 3x^4-81x[/tex].
It is given that the polynomial [tex]\rm 3x^4-81x[/tex].
The product of prime polynomials is equivalent to the above polynomial.
What is polynomial?Polynomial is the combination of variables and constants in a systematic manner with "n" number of power in ascending or descending order.
We have:
[tex]\rm 3x^4-81x\\\rm 3x(x^3-27)\\\rm 3x(x^3-3^3)\\\rm 3x(x-3)(x^2+3x+3^2) \\\\ We \ know \ that \ a^3-b^3=(a-b)(a^2+ab+b^2)\\3x(x-3)(x^2+3x+9)\\[/tex]
Thus the option [tex]\rm 3x(x-3)(x^2+3x+9)[/tex] is correct.
Learn more about Polynomial here:
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What is the solution for the equation
(10-5y|= 20
Answer:
y = -2
Step-by-step explanation:
To find the answer, use property of inequality:
10-5y=20
Undo the +10, so - 10 to the other side
so,
-5y= 10, or -5xY.
so divide by -5 from both sides:
10/-5=-2
so, the remain of the equation is:
y = -2
which is the answer
Which expressions are equivalent to 78 • 7? Select all that apply.
Answer:
B & C are the correct answers
[tex]b. \: \: \frac{7 {}^{18} }{7 {}^{9} } \\ c. \: \: (7 {}^{3} ) {}^{3} \\ e. \: \: 7 {}^{4} .7 {}^{5} \\ \\ correct \: answers[/tex]
Thank you ☺️☺️
3 Complete each statement from the information given and state the reasons and the triangle criterion you used. If the triangles cannot be shown to be congruent, leave the box for the second triangle blank and chose for reason "Cannot be determined." b ∆BLK ≅ △____ By rule ____
Answer:
it cannot be determined not enough info
Mark drew a regular octagon with side lengths of 10 inches. He divided the octagon into two identical trapezoids and a rectangle. He measured the height of one of the trapezoids to be 7 inches, and the width of the rectangle to be 24 inches. Find the area of the octagon.
Answer:
482.84
Step-by-step explanation:
[tex]A = 2 ( 1 +\sqrt{2} ) a^{2} = 2 multiply ( 1 +\sqrt{2} ) multiply 10^{2} = 482.84271[/tex]
Hope it helps!!!Brainliest pls!!!
I am really sorry but just think that the "MULTIPLY" is when you just have to multiply the number and I can't change it.
Use the circle to solve for the missing measures. Assume lines that appear tangent are tangent. Do NOT round any answers.
The given circle having two external tangents, according to circle
theorem, have the following values;
r = 3m∠1 = 82°m∠2 = 49°x = 82°How can the radial length and angles be found?r² + 1.6² = (0.4 + r)²
(0.4 + r)² - (r² + 1.6²) = 0
0.8·r - 2.4 = 0
0.8·r = 2.4
r = 2.4 ÷ 0.8 = 3
r = 3y = 49°
From the two tangent angle theorem, we have;
m∠1 = ((82 + 98 + 82) - (360 - ((82 + 98 + 82)))) ÷ 2 = 82
m∠1 = 82°According to circle theorems, angle at the center is twice angle
subtended at the circumference.
m∠2 = (360 - (82 + 98 + 82)) ÷ 2 = 49°
m∠2 = 49°The length of the chord subtended by the arc x is equal to the length of
the chord subtended by 89°, which gives;
x = 82°Learn more about circle theorems applications here:
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Translate point (2, -1) three units to the left. Write the new coordinate as
an ordered pair. May someone help ASAP !
Answer:
(-1,-1)
Step-by-step explanation:
Because you're translating something 3 units to the left, then you are moving along the x-axis, so you will subtract 3 from 2.
-4m + 2n = 6
-4m + n = 8
solve for and x and y steps
I am doing this problem assuming that you mean to solve for m and n as x and y do not exist in this system of equations.
-4m+2n=6
-4m+n=8
We can see that the coefficient of x for both equations are -4; therefore, elimination with subtraction is possible.
First equation - second equation
n=-2
Then substitude back in to solve for m
-4m+(-2)=8
4m=10
m=5/2
Therefore the answer is
n= - 2
m= 5/2
I hope this helped and if you have any questions please ask.
A private college runs a 3-semester school-
year schedule. The college charges $9,308 per
semester for tuition and room and board,
How much would it cost to attend this college
for 4 years?
A $121,848
B $111,696
C $37,232
D $27,924