Any help appreciated!
For the third one is it translation, rotation, or reflection?
Thanks!
Answers
Shape WXYZ is dilated to form the image W'X'Y'Z' and the image is not inverted, so the scale factor is not
Line WX is shortened to get the line W'X'
Line WX has been shortened by scale factor = ¹⁵/₁₈ = ⁵/₆
Answer: Third option
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Question 2:
Notice that the image is larger than the original shape
We can take a pair of corresponding sides (refer to the first diagram attached below)
Take side AC and A'C'
Side AC = 2 units
Side A'C' = 6 units
Side AC has been dilated by scale factor of 6÷ 2 = 3
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Question 3
Answer: Rotation (refer to the second diagram)
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Question 4
Refer to the third diagram
Related Questions
Find the values of x and y that make these triangles congruent by the HL Theorem
A. X=5, y=6
B. X= -5, y=6
C. X=5, y= -6
D. X=6, y=5
Answers
Find three consecutive integers with a sum of -36
Answers
x + (x +1) + (x+2) = -36
3x + 3 = -36
3x = -39
x = -13
-13,-12,-11
Hope this helps!
What is the total surface area of this composite solid ?
Answers
Together they form a larger block of:
width w=5 in
length l = 7 in+7 in+7 in = 21 in
height h = 4 in + 4 in + 4 in + 4 in=16 in
The total area of the block is:
(front face+back face)+("floor" face + "ceiling" face) + 2 side faces
=
16 * 21 + 16*21 + 5*21+ 5*21 + 5*16+5*16 (square inches)
=
336+336+105+105+80+80 (square inches)
= 672+210+160 (square inches)
=1,042 square inches
Answer: 1,042 square inches
What is the reciprocal of 6 3/7?
Answers
I hope I helped. Best of luck!
45/7 is the correct answer
Felicity's insurance company pays for 65% of her elbow surgery, after she pays a $500 deductible.
How much will Felicity pay for her elbow surgery if it costs $9400?
A. $3290
B. $3465
C. $3615
D. $3790
Answers
9400 – 500(deductible)
The remainder is 8900, and the company pays for 65% of that. That means Felicity pays 35%.
35% of 8900 is 3115. Add on the 500 deductible and she pays 3615 in total.
Because you first have to take 9400•0.65= 6110
Then you subtract that from the total amount and the deductible like so:
9400-6110-500=3790
And that is how you come up with D as the answer
Solve the equation 1-|1/3q-5| = -6
Answers
2007 divided by j = 223
Answers
Show work on simply 2+(3g-4)-(8g+3)
Answers
2 - 7 -5g
-5g - 5 is your answer
hope this helps
PLEASE HURRY!! 30 POINTS
Simplify
73+3(23−13)2
Answers
73+3(23−13)^2
= 73 + 3(10)^2
= 73 + 3(100)
= 73 + 300
= 373
if not exponent 2, but multiply 2 then
73+3(23−13) 2
= 73 + 3(10)2
= 73 + 3(60)
= 73 + 180
= 253
Answer:
1976
Step-by-step explanation:
16x^2 = 49 help find x.
Answers
16x^2=49
divide 16 from both sides
x^2=3.0625
square root on both sides
x=1.75
solve for x. 3x-r=r(-3+x)
Answers
3x-r=-3r+xr
3x-r+r=-3r+xr+r
3x=-2r+xr
3x-xr=-2r+xr-xr
3x-xr=-2r
x (3-r)=-2r
x (3-r)/(3-r)=-2r/(3-r)
x=-2r/(3-r)
The sum of 2 consecutive numbers is 97. Find the numbers
Answers
let the first number is a, and of course the next number to it would be a+1
adding these two numbers: (a) + (a+1) = 97
then solve for a:
a+a+1=97
2a+1=97
2a=96
a=48
so the first number is 48 and the second number is the next one to it (49)
The two numbers are 48 and 49
Sydney read 50 pages and 40 minutes she reads at a constant rate how many pages can Sydney read per minute
Answers
50 pages/40 minutes
The number of pages that she can read each minute is calculated by dividing both the numerator and the denominator of the ratio by 40, giving us,
(50/40) / (40 /40)
The new ratio is now 1.25:1
ANSWER: 1.25 pages per minute
Sydney can read 5/4 or 1.25 pages in one minute
Data;
number of pages = 50time taken = 40 minuterate = ?What is RateThis can be defined as the measure of one unit against another unit.
If it take Sydney 40 minutes to read 50 pages, let's calculate how many pages she will read in one minute to determine her rate.
[tex]40 pages = 50 minutes\\x pages = 1 minute[/tex]
Let's cross multiply both sides and solve for x
[tex]50 pages = 40 minute\\x pages = 1 minute\\x = \frac{50*1}{40}\\x = 1.25 page[/tex]
From the calculations above, Sydney can read 5/4 or 1.25 pages in one minute.
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What is the sector area created by the hands of a clock with a radius of 9 inches when the time is 4:00? 6.75π in.2 20.25π in.2 27π in.2 81π in.2?
Answers
we know that
The area of a circle is equal to
[tex]A=\pi r^{2}[/tex]
where
r is the radius of the circle
In this problem we have
[tex]r=9\ in[/tex]
substitute in the formula
[tex]A=\pi*9^{2}=81 \pi\ in^{2}[/tex]
The area of the complete circle subtends [tex]360\ degrees[/tex]
When the time is 4:00 the angle formed by the hands of a clock is [tex]120\ degrees[/tex]
so by proportion
Find the area of the sector area
[tex]\frac{81\pi}{360} \frac{in^{2}}{degree} =\frac{x}{120} \frac{in^{2}}{degree} \\ \\x=120*81 \pi /360\\ \\x=27 \pi\ in^{2}[/tex]
therefore
the answer is the option
[tex]27 \pi\ in^{2}[/tex]
the area of the a rectangular painting is 4902 cm squared. if the length of the painting is 86 cm, what is it’s width?
Answers
Three eggs are required to make two dozen muffins. how many eggs are needed to make 12 dozen muffins using a proportion
Answers
= 3
Amount of eggs needed to make 1 dozen muffins
=3/2
=1.5
Amount of eggs need to make 12 dozen muffins
=1.5x12
=18
Simplify: (sin θ − cos θ) − (sin θ + cos θ)2 (5 points)
Answers
(sin(x) - cos(x)) - (sin(x) + cos(x))^2
(sin(x) - cos(x)) - (sin^2(x) + 2*sin(x)*cos(x) + cos^2(x))
(sin(x) - cos(x)) - (sin^2(x) + cos^2(x) + 2*sin(x)*cos(x))
(sin(x) - cos(x)) - (1 + 2*sin(x)*cos(x))
sin(x) - cos(x) - 1 - 2*sin(x)*cos(x)
- 2*sin(x)*cos(x) - cos(x) + sin(x) - 1
The final answer is choice D
Olivia's work and solution to the equation -6x + 11=43 is shown. Identify each error in Olivia,s work ad epxplian what she would have done instead.
-6x + 11=43
+11 +11
-6x = 54
-6x/6 = 54/6
X = 9
Answers
-6x + 11 = 43
Subtract 11 from both sides to get:
-6x + 11 - 11 = 43 - 11
-6x = 32
Divide both sides by -6 to get:
-6x / -6 = 32 / -6
x = -5.33
Given Olivia's work as follows:
-6x + 11= 43
+11 +11
-6x = 54
-6x/6 = 54/6
X = 9
Therefore, Olivia's errors are:
1) She added 11 instead of subtracting 11.
2) She divided by 6 instead of -6.
The plate is rotated 90° about the origin in the counterclockwise direction. In the image trapezoid, what are the coordinates of the endpoints of the side congruent to side FG?
Answers
Determine the relationship between the lines that pass through the given points: line
a.(-3, 5) and (0, 7) line
b.(6, 2) and (9, 4)
Answers
slope = (7 - 5) / (0 - (-3) = 2/3
y = mx + b
slope = 2/3
(0,7)...x = 0 and y = 7
sub and find b, the y int
7 = 2/3(0) + b
7 = b....this is ur y int (0,7)
so ur equation for this line is : y = 2/3x + 7
b. (6,2)(9,4)
slope = (4 - 2) / (9 - 6) = 2/3
y = mx + b
slope(m) = 2/3
(6,2)...x = 6 and y = 2
sub and find b, the y int
2 = 2/3(6) + b
2 = 4 + b
2 - 4 = b
-2 = b...this is ur y int (0,-2)
so this equation is : y = 2/3x - 2
so " a " has a slope of 2/3 and a y int of 7 and " b " has a slope of 2/3 and a y int of -2.
ur lines are parallel lines.....parallel lines will have the same slope and different y intercepts <===
Study the products shown. Is there a pattern?
(x + 3)2 = x2 + 6x + 9
(x + 4)2 = x2 + 8x + 16
(x + 5)2 = x2 + 10x + 25
(x + 6)2 = x2 + 12x + 36
Each product is in the form ax2 + bx + c.
Which of the following describes the relationship between b and c?
c is 1.5 times that of b.
c is double b.
c is the square of half of b.
c is the square of b.
Answers
This is evident in all products,
(6/2)² = 3²
= 9
(8/2)² = 4²
= 16
(10/2)² = 5²
= 25
(12/2)² = 6²
= 36
(b/2)² = c
Answer:
The correct option is 3. c is the square of half of b.
Step-by-step explanation:
The given equations are
[tex](x+3)^2=x^2+6x+9[/tex]
[tex](x+4)^2=x^2+8x+16[/tex]
[tex](x+5)^2=x^2+10x+25[/tex]
[tex](x+6)^2=x^2+12x+36[/tex]
These are the perfect square. According to this pattern,
[tex](x+y)^2=x^2+2xy+y^2[/tex] .... (1)
Each product is in the form
[tex](x+y)^2=ax^2+bx+c[/tex] .... (2)
From (1) and (2), we get
[tex]b=2y[/tex]
[tex]c=y^2[/tex]
[tex]c=(\frac{b}{2})^2[/tex] [tex][\because b=2y][/tex]
It means c is the square of half of b.
Therefore the correct option is 3.
Write an equation of the line passing through point P(−8, 0) that is perpendicular to the line 3x−5y = 6
Answers
-5y = -3x + 6
y = 3/5x - 6/5.....the slope here is 3/5. A perpendicular line will have a negative reciprocal slope. All that means is " flip the slope and change the sign. So our perpendicular line will need a slope of -5/3....see how I flipped the slope 3/5 and made it 5/3....then I changed the sign and made it -5/3.
y = mx + b
slope(m) = -5/3
(-8,0)...x = -8 and y = 0
now we sub and find b, the y int
0 = -5/3(-8) + b
0 = 40/3 + b
-40/3 = b
so ur equation is : y = -5/3x - 40/3 or 5x + 3y = -40
To find the equation of a line perpendicular to another line, we need to find the negative reciprocal of the slope. Substituting the values into the point-slope form, we can find the equation of the perpendicular line.
Explanation:To find the equation of a line that is perpendicular to another line, we need to find the negative reciprocal of the slope of the given line. The given line has the equation 3x - 5y = 6, so its slope is 3/5. The negative reciprocal of 3/5 is -5/3, so the slope of the line perpendicular to the given line is -5/3.
Since we know a point on the perpendicular line is P(-8, 0), we can use the point-slope form of a line to find the equation. The point-slope form is y - y1 = m(x - x1), where m is the slope and (x1, y1) is a point on the line. Substituting -8 for x1, 0 for y1, and -5/3 for m, we get y - 0 = -5/3(x - (-8)).
Simplifying the equation gives y = -5/3x - 40/3, which is the equation of the line passing through point P(-8, 0) and perpendicular to the line 3x - 5y = 6.
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Find a equation for the line, in point-slope form, that contains (5,1) and is perpendicular to 6x − 3y = 2.
Answers
let the slope : a and ; b the slope of the line : 6x - 3y = 2
the line that is perpendicular to 6x-3y=2 so : a×b = - 1
but :
6x - 3y = 2... y = 2x-2/3 when : b = 2
in point - form form of the equation of the line that is perpendicular
to 6x-3y=2 is : y = (-1/2)x +c
contains (5,1) : 1 = (-1/2)(5) +c
c = 7/2
an equation is : y= (-1/2)x +7/2
How to write a standard form equation with an undefined slope?
Answers
lets say u have a vertical line going thru (2,3).....since it is a vertical line, its equation would be x = 2
to write this in standard form, it would be : x + 0y = 2 <==
Which expression is equivalent to 32⋅32⋅32⋅32 ? (Also All The 32s Are Fractions, The Lines Just Wont Come Up.)
Answers
Answer:
If this is 1/32 for all of them the answer would be (1/32)^4 or (1/32) to the 4th power. if this is 3/2 it would be (3/2)^4 or (3/2) to the 4th power.
Step-by-step explanation:
If this is 1/32 for all of them the answer would be (1/32)^4 or (1/32) to the 4th power. if this is 3/2 it would be (3/2)^4 or (3/2) to the 4th power. I hope this helps : )
The angle of elevation to the sun is 24°. What is the length of the shadow cast by a person 1.82 m tall?
Answers
The length of the shadow cast by a person 1.82 m tall is; 4.09m
Angle of ElevationThe angle of Elevation to the sub is 24°.
On this note, the shadow cast on the floor represents the adjacent of the angle of Elevation.
Hence, the length of the shadow cast can be calculated from Tangent identify as follows;
Tan 24° = 1.82/ll = 1.82/Tan 24l = 1.82/0.445Length of shadow = 4.09m
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The data set shows the weights of pumpkins, in pounds, that are chosen for a photograph in a farming magazine. 18 22 14 30 26 (a) What is the mean, x , of the data set? (b) What is the sum of the squares of the differences between each data value and the mean? Use the table to organize your work. (c) What is the standard deviation of the data set? Use the sum from Part (b) and show your work. (d) A second group of pumpkins, with weights of 32, 35, 33, 34, and 36 pounds, are chosen for another photograph. Will the standard deviation of these weights be greater or less than the standard deviation found in Part (c)? Answer this without doing a calculation and explain your reasoning.
Answers
x = (18 +22+ 14+ 30+ 26)/5 = 22
(b) What is the sum of the squares of the differences between each data value and the mean: (data point - x)² or (data point - 22)²
(18-22)² = 16
(22-22)² = 0
(14-22)² = 64
(30-22)² = 64
(26-22)² = 16
Sum = 16+0+64+64+16 = 160
(c) What is the standard deviation
s = √[(∑(x-22)²/(n-1)], where x is the data point, 20 the mean and n =5
√[(∑(x-22)² = 160 and n = 5 (5 data points) then s = 160(5-1) = 160/4 = 40
d) 32, 35, 33, 34, and 36
Rewrite it from smaller to greater:
32, 34, 34, 35 36.
We notice that the range is from 32 to 36 is only 4 (36-32), Where as the range of the 1st pumpkins is 30-14 = 16
Since the spread of the 1st one is by far larger than the 2nd, we can conclude that the standard deviation of the 1st is greater than the second
What is the equation of the line, in point-slope form, that passes through the points (-3, -1) and (-6, 8)? open study?
Answers
إ
Hello : let A(-3,-1) B(-6,8)
the slope is : (YB - YA)/(XB -XA)
(8+1)/(-6+3) =9/(-3)
the slope is: -3
Please help me out!! ☮✌
Answers
a linear pair would equal 180 degrees
so 180-28 = 152
5. 41°F equals how many degrees Celsius?
Answers
B. 5°C
C. 56°C
D. - 5°C
The answer is B