Answer:
A. segment A double prime B double prime = segment AB over 2Step-by-step explanation:
Triangle ABC with coordinates of:
A = (-3, 3), B = (1, -3), C = (-3, -3)Translation (x + 2, y + 0), coordinates will be:
A' = (-1, 3), B = ( 3, -3), C = (-1, -3)Dilation by a scale factor of 1/2 from the origin, coordinates will be:
A'' = (-0.5, 1.5), B'' = (1.5, -1.5), C= (-0.5, -1.5)Let's find the length of AB and A''B'' using distance formula
d = √(x2-x1)² + (y2 - y1)²AB = √(1-(-3))² + (-3 -3)² = √4²+6² = √16+36 = √52 = 2√13A''B'' = √(1.5 - (-0.5)) + (-1.5 - 1.5)² = √2²+3² = √13We see that
AB = 2A''B''Now the answer options:
A. segment A double prime B double prime = segment AB over 2
CorrectB. segment AB = segment A double prime B double prime over 2
Incorrect. Should be AB = A''B''*2C. segment AB over segment A double prime B double prime = one half
Incorrect. Should be AB/A''B'' = 2D. segment A double prime B double prime over segment AB = 2
Incorrect. Should be A''B''/AB = 1/2Answer:
A. segment A double prime B double prime = segment AB over 2
Step-by-step explanation:
whose method can be used to verify the distributive property was correctly applied expression
A. zoes method
B.latoyas method
C. christinas method
D. Rhodas method
Equation C: y = 6x + 9
Equation D: y = 6x + 2
Which of the following options is true about the solution to the given set of equations? (4 points)
Oa
One solution
Ob
No solution
c
Two solutions
Infinite solutions
9514 1404 393
Answer:
b. No solution
Step-by-step explanation:
If you subtract the second equation from the first, you get ...
0 = 7
No value of the variable will make this be true. There is NO SOLUTION.
Find the slope (3,-5) and (0,0)
Answer:
- [tex]\frac{5}{3}[/tex]
Step-by-step explanation:
Find slope by using slope intersept form ( [tex]\frac{y2-y1}{x2-x1}[/tex])
Plug the x and y values from the given pairs into slope interspt form: [tex]\frac{-5-0}{3-0}[/tex]
Find the diffrence: [tex]\frac{-5}{3}[/tex]
Solution : - [tex]\frac{5}{3}[/tex]
Which graph is the solution of the following systems
HELP ON ON GRADPOINT
4. Use the following expression to answer the questions: t ^ 2 - 3t + 4 . How many terms are in this expression? What variable is used in this expression? What is the constant term in this expression?
Answer:
3 terms
t is the variable
4 is the constant
What is the slope and y-intercept of the graph? (write your answer in simplest form)
Slope:
y-intercept:
English
Answer:
Slope: 1/2.5
Y-intercept: -1
Step-by-step explanation:
All the following are equivalent to 2(2a + b ) +8, except ______.
4a + 2b + 8
2(2a+b+4)
4(a+b+2)
4a+2(b+4)
Answer:
Except 4(a+b+2)
Step-by-step explanation:
It's 4a+4b+8 when expand
Explain how adding -3/10 + 4/10 is like adding -3 + 4
Answer:
is the same because when you add the fraction -3/10 + 4/10 you gonna have to add -3 +4 because since their denominator is the same (10) we don´t have to solve anything.
Step-by-step explanation:
don´t forget to brainllest!:)
All of the following are equivalent EXCEPT x < 2 x - 2 < 4 2x < -4 x - 2 < -4
Answer:
solution
x<2,2x<-4,x-2<-4 are equvalent
but x-2<4 is not
Santiago is looking over his credit card statements from the past couple of months. The
balance was $95 last month, and 40% more this month. What is the balance on the card this
month?
Answer:
133
Step-by-step explanation:
40 percent more than is 133
7 times a number plus 3 times the same number is -50. What is the number?
Answer:
n= -5
Step-by-step explanation:
7n+3n= -50
solve 10n=-50 n= -5
There are 4 boys and 2 girls from the seventh grade and 3 boys and 5 girls from the eighth grade in the math club. The math club sponsor will randomly pick one student from each grade level to represent the team.
What is the probability that both will be girls?
Answer:
5/24 or 20.8%
Step-by-step explanation:
Probability that the 7th grader is a boy = number of boys/(total kids) = 4/(4+4) = 1/2
Probability that the 8th grader is a boy = 5/(5+7) = 5/12
Probability that both are boys = 1/2*(5/12) = 5/24 or 20.8%
You bought 15 apples and 2 bags of Carmel for $16.00. The bags of caramel costs $5.35. How much does each apple cost? Write an equation.
Answer:
5.35*2+x=16 and the answer is $.35
Step-by-step explanation:
5.35*2+x=16
10.70+x=16
-10.70 -10.70
x=5.30
5.30/15= about .35
Answer
$12.65/15
Step-by-step explanation:
$16.00-$5.35=$12.65
This means that $12.65/15 is the cost of each apple.
A 11-inch board is cut into 6 equal length pieces. How long is each piece?
Answer:
1.8inches or 1.83in repeating.
Step-by-step explanation:
divide 11 by 6. you get the decimal 1.83333333. you can either round to 1.8 or do 1.83 with a repeating symbol over the three (small dash above the number).
−2x=x^2−6
1) Rewrite the equation by completing the square.
equation should look like (x+c)^2=d or (x-c)^2=6
Step-by-step explanation:
Example 1
Solve the equation x3 − 3x2 – 2x + 4 = 0
We put the numbers that are factors of 4 into the equation to see if any of them are correct.
f(1) = 13 − 3×12 – 2×1 + 4 = 0 1 is a solution
f(−1) = (−1)3 − 3×(−1)2 – 2×(−1) + 4 = 2
f(2) = 23 − 3×22 – 2×2 + 4 = −4
f(−2) = (−2)3 − 3×(−2)2 – 2×(−2) + 4 = −12
f(4) = 43 − 3×42 – 2×4 + 4 = 12
f(−4) = (−4)3 − 3×(−4)2 – 2×(−4) + 4 = −100
The only integer solution is x = 1. When we have found one solution we don’t really need to test any other numbers because we can now solve the equation by dividing by (x − 1) and trying to solve the quadratic we get from the division.
Now we can factorise our expression as follows:
x3 − 3x2 – 2x + 4 = (x − 1)(x2 − 2x − 4) = 0
It now remains for us to solve the quadratic equation.
x2 − 2x − 4 = 0
We use the formula for quadratics with a = 1, b = −2 and c = −4.
We have now found all three solutions of the equation x3 − 3x2 – 2x + 4 = 0. They are: eftirfarandi:
x = 1
x = 1 + Ö5
x = 1 − Ö5
Example 2
We can easily use the same method to solve a fourth degree equation or equations of a still higher degree. Solve the equation f(x) = x4 − x3 − 5x2 + 3x + 2 = 0.
First we find the integer factors of the constant term, 2. The integer factors of 2 are ±1 and ±2.
f(1) = 14 − 13 − 5×12 + 3×1 + 2 = 0 1 is a solution
f(−1) = (−1)4 − (−1)3 − 5×(−1)2 + 3×(−1) + 2 = −4
f(2) = 24 − 23 − 5×22 + 3×2 + 2 = −4
f(−2) = (−2)4 − (−2)3 − 5×(−2)2 + 3×(−2) + 2 = 0 we have found a second solution.
The two solutions we have found 1 and −2 mean that we can divide by x − 1 and x + 2 and there will be no remainder. We’ll do this in two steps.
First divide by x + 2
Now divide the resulting cubic factor by x − 1.
We have now factorised
f(x) = x4 − x3 − 5x2 + 3x + 2 into
f(x) = (x + 2)(x − 1)(x2 − 2x − 1) and it only remains to solve the quadratic equation
x2 − 2x − 1 = 0. We use the formula with a = 1, b = −2 and c = −1.
Now we have found a total of four solutions. They are:
x = 1
x = −2
x = 1 +
x = 1 −
Sometimes we can solve a third degree equation by bracketing the terms two by two and finding a factor that they have in common.
Step-by-step explanation:
mark up as brainliest
Commutative law under addition says- p + q = q + p. Commutative law under multiplication says p x q = q x p. Note- Rational numbers, integers and whole numbers are commutative under addition and multiplication. Rational numbers, integers and whole numbers are non commutative under subtraction and division.0
Read each question and answer accordingly
Write a linear equation in slope-intercept form with the following information*
Passes through (-2,-11) and is perpendicular to y=--x+2.
4
Answer:
653
Step-by-step explanation:
Write the equation from the graph in slope intercept form
Answer:
y=2/3x−4
Step-by-step explanation:
Answer: [tex]y=\frac{2}{3}-4[/tex]
Step-by-step explanation:
Slope[tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\\=\frac{-4-0}{0-6}\\=\frac{-4}{-6}\\=\frac{4}{6}\\=\frac{2}{3}[/tex]
Since the line hits the y-intercept at -4 the answer is
[tex]y=\frac{2}{3}-4[/tex]
write the equation of a line that is perpendicular to the line y=-3/7-15 and that passes through the point (9,2)
Answer:
Step-by-step explanation:
First substitue the coordinates to the equation so
x=9, y=2
you would get
2=-3/7(9) + b
we put b because we are trying to find the new slope
multiply the two numbers above
2=-3/6/7 + b
subtract the whole number from both sides
b= 5/6/7
in equation would be
y= -3/7 + 5/6/7
Let me know if there is an error.
Use long division to divide and use the results to factor the dividend completely (X3 - 4X2 -17X + 6) divided by (X-3) The X3 and X2 are supposed to be exponents
Answer:
x^2 -1x-20 +((-54)/(x-3))
Step-by-step explanation:
Let's do long division. I've uploaded the file for the work.
What does 100% increase mean
An increase of 100% in a quantity means that the final amount is 200% of the initial amount (100% of initial + 100% of increase = 200% of initial). In other words, the quantity has doubled. An increase of 800% means the final amount is 9 times the original (100% + 800% = 900% = 9 times as large).
Orchestra Tonight is selling tickets for its local performance. Orchestra fans can buy tickets to sit in the balcony or on the top floor of the concert hall. Tickets for balcony seats are $83 each. Tickets for seating on the floor are 60% of the price of the balcony tickets. Which inequality represents all possible combinations of f, the number of tickets for floor seats and b, the number of tickets for balcony seats, that a person can buy and spend no more than $560. a 83b+138.33f>560 b 83b+49.8f>560 c 83b+49.8f\le560 d 83b+138.33f\le560
Answer:
c
Step-by-step explanation:
Given that:
Cost of balcony seat = $83
Cost of seating on floor = 60% of balcony seat = 0.6 * $83 = $49.8
Number of tickets for floor seat = f
Number of tickets for balcony seat = b
Total amount to spend should not exceed $560;
[(Cost of balcony ticket * number of balcony tickets) + ( cost of floor tickets * number of floor tickets)] ≤ 560
83b + 49.8f ≤ 560
The closest from the options given is :
83b + 49.8 < 560
how do I solve 9x-4= -44
If 3 kilograms of flour costs $4.86 What is the cost of 1 kilogram of flour?
Plzz I need help!!!!! I will give brainiest you show me how
Divide the cost of 3 kg by 3kg to get the cost of 1 kg:
4.86 / 3 = 1.62
It cost $1.62 for 1 kg.
Answer:
brains zombies chicken nuggets
Step-by-step explanation:
At a concert 1,600 in tickets were sold. Adult tickets were $9 each and children’s tickets were $4 each. If the number of adult tickets was 30 less than twice the number of childrens tickets, how many of each kind were sold
Answer:
140 TICKETS
Step-by-step explanation:
Peter's teacher says he may have his report card percentage based on either the mean or the median and he can
drop one test score if he chooses.
84%, 71%, 64%, 90%, 75%, 44%, 98%
Which measure of center should Peter choose so he can have the highest percentage possible?
O Peter should choose the mean after dropping one test score.
Peter should choose the mean without dropping one test score.
O Peter should choose the median after dropping one test score.
O Peter should choose the median without dropping one test score.
t would be best if Peter's report card percentage was based on the mean and if he could drop a percent, he should drop the 44%.
Step-by-step explanation:
The median (without dropping a score) of this set would be 75%
( 44%, 64%, 71%, 75%, 84%, 90%, 98% )
The mean (without dropping a score) of this set would be 75.1428571%
526 ÷ 7 = 75.14 ( 75.1428571 )
Answer:
A. Peter should choose the mean after dropping one test score.
Step-by-step explanation:
find the slope given the points (2,-7) and (-1,6)
A. 2/3
B. -13/3
C. 0
D. 13/3
Find the slope:
(-7, 4), (13, 4)
O 20
O Zero
O Undefined
Answer:
Zero
Step-by-step explanation:
it is to correct answer because I did this before and one of my classes also subscribe to my channel bye
In the complex plane, the rectangular coordinates (x, y) represent a complex number. Which statement explains why polar coordinates (r, θ) represent the same complex number?
Answer: second option (counting from the top)
Step-by-step explanation:
When we have a number:
z = x + y*i
we can represent this with the point:
(x, y).
Now, remember that in polar coordinates, we need to use the variables:
r = distance to the (0, 0), or the "magnitude" of the point.
θ = angle measured counterclockwise from the x-axis.
r is easy to find, is the magnitude, this is calculated as:
r = √(x^2 + y^2)
To find θ, suppose that we have a triangle rectangle, where x is the adjacent cathetus, and y is the opposite cathetus, and θ is the angle as we described it.
We know that:
Tan(θ) = opposite cathetus/adjacent cathetus = y/x
Tan(θ) = y/x
Then:
θ = Tan^-1 (y/x)
Then the correct option is the second option (counting from the top)
Answer:
its b
Step-by-step explanation:
trust
What is 3z + 2 when z = 2?
The value of the given equation is 8.
Given that,
The value of z = 2.calculation is as follows:= 3z + 2
= 3(2) + 2
= 6 + 2
= 8
Find out more information about the equation here:https://brainly.com/question/2263981?referrer=searchResults
Given:
3z + 2 and z = 2
To find:
value=?
Solution:
Therefore,
[tex]\to 3z + 2 \\\\\because \\\\\to z = 2\\[/tex]
putting the value of z into the above-given equation then:
[tex]\to 3(2)+2\\\\\to 6+2\\\\\to 8[/tex]
The final answer is "8".
Find out more information about solving here:
brainly.com/question/21197151
find the slope and y- int 6x + - 2y=18
Answer:
Slope: [tex]\frac{3}{1}[/tex]
Y-int: 9
Step-by-step explanation:
[tex]6x + -2y = 18[/tex]
-6x -6x
-2y = -6x + 18
----- ------------
-2 -2
y = 3x + 9
