Triangles XYZ and ABC are congruent. The side length of each square on the grid is 1 unit.
Which of the following sequences of transformations maps XYZ onto ABC?
Sequence A: A translation 2 units to the right and 10 units up, then a reflection over the line AC.
Sequence B: A translation 6 units to the right and 6 units up, then a 180° rotation about point B.
Choose 1 answer:
A: Only sequence A
B: Only sequence B
C: Both
D: Neither
Answer:
Only sequence B
Step-by-step explanation:
Got the answer from Khan Academy.
A translation 6 units to the right and 6 units up, then a 180° rotation about point B. The correct option is B.
What is translation?The process of changing the location of the image on the coordinate system will be known as the translation. Each point in a figure is moved the same distance in the same direction using a type of transformation known as translation.
It is given that triangles XYZ and ABC are congruent. The side length of each square on the grid is 1 unit.
In the figure, we can see the translation 6 units to the right and 6 units up, then a 180° rotation about point B.
Therefore, the translation is 6 units to the right and 6 units up, then a 180° rotation about point B. The correct option is B.
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8x +1 =7x +5
Please help me
Answer:
x = 4
Step-by-step explanation:
i. 8x + 1 = 7x + 5
ii. 8x - 7x = 5 - 1
iii. x = 4
Write the equation of the line that passes through the points (0,8) and (-1, –4).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.
Answer:
Step-by-step explanation
First, let's remember the equation for point-slope form and how to find the 'm' value:
[tex]y-y1 = m (x-x1)\\m = rise/run\\m = \frac{-4-(8)}{-1-(0)} = 12[/tex]
Now plug your m value and (x1, y1) into point-slope form:
[tex]y - 8 = 12(x-0)\\reduce\\y=12x+8[/tex]
At the store you have 2 options for Speedy Clean Laundry Detergent. One bottle costs $4.99 for 50 fl . oz The other bottle costs $7.50 for 90 fl. oz Which is the better buy?
Answer: the bigger bottle (90 fl. oz) is better value
Step-by-step explanation:
One method is to scale the quantities up to the same value.
The LCM (lowest common multiple) of 50 and 90 is 450
9 of the smaller bottle will cost $44.95 and contain 450 fl. oz
5 of the bigger bottle will cost $37.50 and also contain 450 fl. oz
A second method is to find the cost per (say) 10 fl. oz from each bottle
In the 50 fl. oz bottle each 10 fl. oz costs 4.99 / 5 = $0.998
In the 90 fl. oz bottle each 10 fl. oz costs 7.50 / 9 = $0.8333...
I need help with question
Answer:
20
Step-by-step explanation:
Scale factor = 8/16 = 1/2
So, 10/x = 1/2
x = 10*2
x = 20
please help will give brainliest
Answer:
52 cm^2
Step-by-step explanation:
1) find the area of the rectangle
A = base x width = 8 x 5 = 40 cm^2
2) find the area of the triangle
A = (base x height)/2 = (8x3)/2 = 12 cm^2
3) find the total area
A = 40 + 12 = 52 cm^2
Answer:
52 cm^2Step-by-step explanation:
Area = 8 x 5 + 4 x 3 x 1/2 x 2
Area = 40 + 12 x 1/2 x 2
Area = 40 + 6 x 2
Area = 40 + 12
Area = 52
Hope that helps! :)
-Aphrodite
Find m P. Quadrilateral
Answer:
m∠P = 107º
Step-by-step explanation:
Since two sides are parallel this is a trapezoid
In a trapezoid, the angles on the same leg (called adjacent angles) are supplementary, meaning they add up to 180 degrees.
(7x + 31) + (21x - 19) = 180
combine like terms
28x + 12 = 180
Subtract 12 from both sides
28x = 168
Divide both sidees by 28
x = 6
m∠P = 21x - 19
m∠P = 21(6) - 19
m∠P = 107º
The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes. The population standard deviation is known to be 0.5 minute. We want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes. Use alpha = 0.05.
1. The test statistic is a:____.
a. 1.96.
b. 1.64.
c. 2.00.
d. 0.056.
2. The p-value is:____.
a. 0.0456.
b. 0.0482.
c. 0.4772.
d. 0.9759.
e. 0.9772.
3. At the 5% level, you:___.
a. fail to reject the null hypothesis.
b. reject the null hypothesis.
4. Compute the probability of a Type II Error when mu = 2.8.
Answer:
a
Step-by-step explanation:
Pls help I’m rlly confused. The question says “find the value of x using complementary angels” ty <3
Answer:
x=83. please look below for explanation. if anything isn't clear, please ask
Step-by-step explanation:
so complementary means adding up to 90 degrees in math. in this particular equation, you have to make sure that both (x-18) and 25 add up to 90.
if that other side is 25 degrees, the other side must be 65 because 90-25=65.
so now you have to set those equal to each other like this:
65 = (x-18) now just solve for x
add the 18 to the other side. the -18 and +18 cancel.
x=83
so to test and to see if that is right, we can do
83-18 = 65
does 65+25 equal 90? yes
therefore, x=83
Estimate the measure of ∠FBE in the diagram.
10° ,
30°
90°
80°
Answer:
Im not sure but I think it's 30⁰
Computer the following some, Thanks !
Answer:
184233
Step-by-step explanation:
651∑n=1 88+0.6(n-1)
651∑n=1 88 + 651∑n=1 0.6(n-1)
(651)(88) + 0.6(651∑n=1 (n-1))
57288 + 0.6((651∑n=1 (n))-(651∑n=1 (-1))
57288 + 0.6((651)(652)/2+(651)(-1))
57288 + 0.6(212226-651)
57288 + 0.6(211575)
57288 + 126945
184233
3) A private golf course offers cart rentals for $22 and a round of golf at $1.35 per hole for non-members. After purchasing a box of golf balls at $14.95 and a bottle of Gatorade for $3.25, your total cost was $64.50. How many holes of golf were you able to complete?
Answer:
18 round of golf
Step-by-step explanation:
r = # rounds of golf
(22 + 14.95 + 3.25) + 1.35r = 64.50
40.20 + 1.35r = 64.50
1.35r = 24.30
r = 18
Answer:
18 kkkkkkkkkkkkkkkkkkkk
what is the measurement of the x
Answer:
55°
Step-by-step explanation:
Total: 90°
90° - 35°
55°
PLEASE HELP 30 POINTS
Answer:
Step-by-step explanation:
it's asking what is the y out put.. if you added the green line with the red line at the input of 2. I feel like graph math ever clearly states what they want you to understand or give an answer to. you are just supposed to "get it" and most people don't just "get it". anyway.. so add the red lines y value at the x of 2 with the green lines y value at 2
0+2 =2
I also feel like the answer to made to totally confuse people too. b/c of how how when you input a 2 and add the two graphs, you also get a 2 , it's just circular and confusing.
2 is the answer BTW :p
Five weeks after the introduction of a new toy, the manufacturer found that the demand for the toy was modeled by f(x) = x^2 +5x+4/x^2+6x-7 - 1/x , while the company s supply capability was modeled by g(x) = - 0.89x^2 +850x -50/(800x+70.5. Here x is the number of weeks the toy has been on the market, and values of f(x) and g(x) are in millions of toy units. About how many weeks after the toy was introduced did supply equal demand? Round to the nearest whole number of weeks.
Answer:
76 weeks
Step-by-step explanation:
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can someone help i will give brainliest
Answer:
24
Step-by-step explanation:
the rate of change is represented by the 24, just like in the slope-intercept equation y = mx + b, where "m" represents the slope, or rate of change.
Solve for d
3/2 = 5d - 1/2
Answer:
d = 0.4
5*0.4 = 2
2 = 4/2
4/2 - 1/2 = 3/2
Arnold has 4 pitchers. Each pitcher holds [tex]\frac{7}{8}[/tex] gallon of juice. Which equation can Arnold use to determine the number of gallons of juice in the pitchers?
Answer:
4 * 7/8
Step-by-step explanation:
It's asking to multiply.
find the quotient if 3.5 is divided by 14
Answer:
1/4
Step-by-step explanation:
3.5 = 3 1/2 = 7/2
7/2 ÷ 14 = 7/2 × 1/14 = 1/4
The quotient is 1/4
3.5 = 3 1/2 = 7/2
7/2 ÷ 14 = 7/2 × 1/14 = 1/4
What is problem-solving?
Problem-solving is the act of defining a problem; figuring out the purpose of the trouble; identifying, prioritizing, and selecting alternatives for an answer; and imposing an answer.
Problem-solving starts with identifying the issue. As an example, a trainer may need to parent out a way to improve a scholar's overall performance on a writing talent test. To do that, the instructor will overview the writing exams looking for regions for improvement.
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PLEASE HELP ME ITS MULTIPLE CHOICE
Answer:
Step-by-step explanation:
The answer is class D so number 4
Write a piecewise-defined function for this graph please!
The piecewise-defined function for this graph will be y = -(3/5)x - 4/5 for x < 2 and y = (5/2)x - 7 for x ≥ 2.
What is a function?A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.
The equation of the line that passes through (-3, 1) and (2, -2) is given as,
(y + 2) = [(- 2 - 1) / (2 + 3)](x - 2)
y + 2 = - (3/5)x + 6/5
y = -(3/5)x - 4/5
The equation of the line that passes through (2, -2) and (4, 3) is given as,
(y + 2) = [(3 + 2) / (4 - 2)](x - 2)
y + 2 = (5/2)x - 5
y = (5/2)x - 7
The piecewise-defined function for this graph will be y = -(3/5)x - 4/5 for x < 2 and y = (5/2)x - 7 for x ≥ 2.
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Calculate the sample mean and sample variance for the following distribution of heights in centimeters for an 8 year old boy
Answer: To calculate the sample mean of a distribution, you add up all the values and divide by the number of values in the sample. The sample mean is also known as the average.
The formula for the sample mean is:
X-bar = (X1 + X2 + ... + Xn) / n
To calculate the sample variance of a distribution, you first need to calculate the sample mean. Then, for each value, you subtract the sample mean and square the result. You add up all these squared differences, and divide the sum by the number of values in the sample.
The formula for the sample variance is:
s^2 = ( (X1 - X-bar)^2 + (X2 - X-bar)^2 + ... + (Xn - X-bar)^2 ) / (n - 1)
It would be helpful to have the sample data, however I cannot complete this task without it.
Please provide me with the data.
Step-by-step explanation:
pls help me i will mark brainliest i just need the right answer
Answer:
A = 34.84
Step-by-step explanation:
6.7 * 5.2 = 34.84
Answer:
38.84
Step-by-step explanation:
l×w=area, so 6.7 times 5.2 is 38.84. Hope this helps :)
Carter ran 7/8 mile in a race. Taylor ran 1/4 mile. How much further for carter run than Taylor?
Answer:
1 17/20 is the answer
Answer:
5/8
Step-by-step explanation:
1/4=2/8
7/8-2/8=5/8
Khan academy. ??????? Math
Answer:
Step-by-step explanation:
There should be a video to help you probably says something like hint? then click there
Answer:
They have videos you can watch
Step-by-step explanation:
those videos will help explain them better and show you exactly how to do that problem
Please help me please !!!!!
Answer: D; 2.72
Step-by-step explanation:
solve for n...
5.6 + 1.4n = 2.4n + 2.88 (expanding brackets)
2.72 = 1n
n = 2.72
Answer:
D - It is the n value. Now do the math...
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The foot, the pound, and the gallon are all example of ______ units. This system of measurement was first devised in England
HELP ASAP PLS
Question 2 of 5
Select all the correct answers.
Which expressions are prime polynomials?
Answer: There is no picture
Step-by-step explanation:
write two equivalent expressions one exponential and one a product of factors, for 4 to the 5th power evaluate the expressions
Answer:
4^5 = 1024
4×4×4×4×4 = 1024
Step-by-step explanation:
An exponential expression is going to have an exponent representing the repeated multiplication. 4 times itself 5 times over is 4^5.
A product of factors is going to show the multiplication written out sort of in a long format:
4 × 4 × 4 × 4 × 4
4^5 = 1024
4×4×4×4×4 = 1024
Can someone help me please
Find the solution to the system of equations.
y=-2x+7
y=5x-7