Answers
Step-by-step explanation:
Number 1
For parallelism.....
gradient of the two lines is the same
y = 3/2x -4
y = mx + C
m = 3/2
(-1, 0) = (x1, y1)
y - y1 = m(x - x1)
y - 0 = 3/2[x - (-1)]
y = 3/2(x + 1)
2y = 3x + 3
y = 3/2x + 3/2
Option A
Number 2
For parallelism.....
gradient of the two lines is the same
y = -½x + 2
y = mx + c
m = -½
(-2, -1) = (x1, y1)
y - y1 = m(x - x1)
y - (-1) = -½[x - (-2)]
y + 1 = -½(x + 2)
2(y + 1) = -(x + 2)
2y + 2 = -x - 2
2y = -x - 2 - 2
2y = -x - 4
y = -½x - 2
Option A
Number 3
For perpendicularity... m1 × m2 = -1
y = 4/3x - 5
y = mx + c
m1 = 4/3
m2 = -1/m1
m2 = -1/(4/3)
m2 = -3/4
(3, -1) = (x1, y1)
y - y1 = m2(x - x1)
y - (-1) = -¾(x - 3)
y + 1 = -¾(x - 3)
4(y + 1) = -3(x - 3)
4y + 4 = -3x + 9
4y = -3x + 9 - 4
4y = -3x + 5
y = -¾x + 5/4
Option A
Number 4
For perpendicularity... m1 × m2 = -1
y = -5x + 5
y = mx + c
m1 = -5
m2 = -1/m1
m2 = -1/-5
m2 = ⅕
(5, 4) = (x1, y1)
y - y1 = m(x - x1)
y - 4 = ⅕(x - 5)
5(y - 4) = x - 5
5y - 20 = x - 5
5y = x - 5 + 20
5y = x + 15
y = ⅕x + 15/5
y = ⅕x + 3
Option C
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D.
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the answer is d
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Answer:
Transformation
Option D has translation, the other options change the triangles' shape and they won't be congruentScale factor
Option A is correctOption B has wrong ratio, Options C and D shows different angle size which is not the case with similar trianglesJenae buys some scarves that are $14 each and 2 wallets that each cost $12. Jenae's total is $94. Write an equation that could be used to find s, the number of scarves Jenae buys .
Answers
Answer:
94-(2x12)/14=s
..............
5 square root 18x2y5 simplify work shown plz
Answers
Answer:
mhhhhhmhmhhm
Step-by-step explanation:
The ratio 132 : 60 as a fraction is....
The ratio 132 : 60 as a decimal is...
The ratio 132 : 60 as a percent is... %
Answers
Answer:
The ratio 132 : 60 as a fraction is 132/60
The ratio 132 : 60 as a decimal is 2.2
The ratio 132 : 60 as a percent is 220%
If m ABC=3x and m BCD=6x, find x.
Answers
Answer:
2x
Because 6 ÷ 3 = 2, so the answer is 2x
An airplane is flying diagonally across the state of Colorado. This state and its
dimensions are represented by the rectangle on the map shown.
Based on the measurements shown in the map, which measurement is closest to the
distance in miles the airplane will fly along the diagonal?
Answers
Answer:
C
Step-by-step explanation:
The measurement is closest to the distance in miles the airplane will fly along the diagonal is given by D = 476.1 miles
What is the diagonal of a rectangle?The diagonal of a rectangle is calculated by the formula
From the Pythagoras Theorem , The hypotenuse² = base² + height² , and
Diagonal of a Rectangle = √ ( Length )² + ( Width )²
Given data ,
Let the dimensions are represented by the rectangle be 280 mi x 385 mi
So , the length of the rectangular path L = 280 miles
The width of the rectangular path W = 385 miles
And , the distance in miles of airplane along the diagonal is given by
Diagonal of a Rectangle = √ ( Length )² + ( Width )²
On simplifying , we get
The distance along the diagonal D = √ ( 280 )² + ( 385 )²
The distance along the diagonal D = √ ( 78400 + 148225 )
The distance along the diagonal D = √ ( 226625 )
The distance along the diagonal D = 476.1 miles
Hence , the distance is D = 476.1 miles
To learn more about diagonal of rectangle click :
https://brainly.com/question/13583275
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The complete question is given below :
An airplane is flying diagonally across the state of Colorado. This state and its dimensions are represented by the rectangle on the map shown
280 mi
385 mi
Based on the measurements shown in the map, which measurement is closest to the distance in miles the airplane will fly along the diagonal?
A 665.0 mi
B 25.8 mi
C 36.4 mi
D 476.1 mi
IS IN SPANISH BUT CAN SOMEONE HELP ME?, i need to find the area for the following
Answers
Answer:
10.2 +16.6 = 26.8 x 4.5 = 120.6 divided by 2 = 60.3
Answer:
60.3 cm
Step-by-step explanation:
Be sure to mark me Brainliest!!! I am 10000% this is correct!
Which statement best describes the relationship between x and y in the equation y = 6 + x?
A The value of y is six less than the value of x.
B The value of y is six times the value of x.
C The value of x is six more than the value of y.
D The value of y is six more than the value of x.
Answers
Answer:
A. The Value of y is six less than the value of x
Step-by-step explanation:
This is because the value of x is equal to y when six is added.
Simplify the expression. Multiply
9 + square root 3 /
12- square root 3
Answers
Answer:
9+10 =21
Step-by-step explanation:
21 give brainlist
Answer:
9+10
Step-by-step explanation:
a find the lcm of the numbers below 2310 and 1275
Answers
Answer:
LCM = 3^1. 5^2. 2^1. 7^1. 11^1. 17^1 = 196350
Step-by-step explanation:
Trina's car uses 12 gallons of gas to travel 132 miles. If she has 6 gallons of gas in the tank, how much more gas will she need to drive 220 miles?
A. 20 gallons
B. 11 gallons
C. 18 gallons
D. 14 gallons
Answers
Answer:
D
Step-by-step explanation:
132 divide w/ 12 u get 11
b and c are gone
multiple 20 x 11 u get 220
but bc u already have 6 gallons its 14
20-6
Solve the linear equation for y.
-6y (-) 6 =-14
Answers
Answer:
y=4/3
Step-by-step explanation:
-6y-6=-14
+6 +6
-6y = -8
/-6 /-6
y= 4/3
This is the numbers 3-4
Answers
Answer:
3) x= 3, -2
4) 36
Step-by-step explanation:
3) x= 3, -2
4) 36
Bobby is 4 years older than twice his younger brother Alex. If Bobby is 22 years old, how old is Alex?
Answers
Answer:
His brother is 9
Step-by-step explanation:
If you subtract 4 from 22 you get 18, divide 18 by 2 and you get 9, 9 twice is 18 plus 4 is 22!
Answer:
his bother is 14
Step-by-step explanation:
because i said so
[tex]y - 4 = 2x \ {7x}^{2} = xy + {y}^{2} [/tex]
solve for x and y simultaneously
Answers
Answer:
2.67
Step-by-step explanation:
n/a because I don't want to be a part of the way u passed out of the way and I will be there
Statements
Sometimes True
Always True
Never True
The sum of a rational number and an irrational number is rational.
O
O
O
The product of a rational number and a rational number is rational.
O
o
о
The sum of an irrational number and a rational number is irrational.
The product of an irrational number and a rational number is irrational.
O
O
о
The sum of a rational number and a rational number is rational.
Answers
Answer:
statement are always true
Sometimes True:
The sum of a rational number and an irrational number is rational.
Always True:
The product of two rational numbers is always rational.
Always True:
The sum of an irrational number and a rational number is irrational.
Sometimes True:
The product of an irrational number and a rational number is irrational.
Always True:
The sum of two rational numbers is rational.
What is a rational number?A rational number is a number that can be written in the form of p/q where q is not equal to zero.
We have,
Sometimes True:
The sum of a rational number and an irrational number can be rational or irrational depending on the numbers chosen.
For example, 1 + √2 is irrational, but 1/2 + √2/2 is rational.
Always True:
The product of two rational numbers is always rational, as can be shown using the definition of rational numbers.
Always True:
The sum of an irrational number and a rational number is always irrational. This can be shown by contradiction.
Assume that the sum of an irrational number a and a rational number b is rational.
Then (a + b) - b is also rational, which implies that a = (a + b) - b is rational, contradicting the assumption that a is irrational.
Sometimes True:
The product of an irrational number and a rational number can be rational or irrational depending on the numbers chosen.
For example, √2 x 2 is irrational, but √2 x (1/√2) = 1 is rational.
Always True:
The sum of two rational numbers is always rational, as can be shown using the definition of rational numbers.
Thus,
Sometimes True:
The sum of a rational number and an irrational number is rational.
Always True:
The product of two rational numbers is always rational.
Always True:
The sum of an irrational number and a rational number is irrational.
Sometimes True:
The product of an irrational number and a rational number is irrational.
Always True:
The sum of two rational numbers is rational.
Learn more about rational numbers here:
https://brainly.com/question/24398433
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Solve this trinomial
Z^2 + z = -20
Answers
Answer:
your answer is a complex number making your question wrong
Step-by-step explanation:
First z²+z+20=0, just to make it a quadratic equation, so we can use the quadratric formula:
x=( -b±√b²-4ac)/2a
so to find a b and c we compare
YOUR QUESTION SHOULD BE Z² +Z-20=O.
Answer the circle question please.
Answers
[tex]\frac{11}{-6}[/tex]
Which set of lengths are the side lengths of a right triangle? (9,15,17) (14,23,25) (20,30,40) (15,36,39)
Answers
Answer:
(15, 36, 39)
Step-by-step explanation:
Using pythagoreas formula: A^2 * B^2 = C^2
so a=15, b=36, c=39
15^2+36^2=39^2
Marissa compared coffeepot prices at three different stores. One of the stores advertised a discount, one was an online store that charged shipping,
and one just showed a regular price. The prices are shown below:
Price
Discount
30%
Shipping Cost
NA
$149.49
Name
American
Discounters
The Coffee Hut
The Bean
$91.99
NA
15% of the cost of
the item
NA
$106.49
NA
Part A: Which place is the least expensive place to purchase the coffeepot? Support your answer using words or numbers. (Round to the nearest
cent when calculating.)
Part B: Sales tax for all 3 retailers is 7.5%. What is the cost to purchase the cheapest coffeepot? (Round your answer to the nearest cent.)
Answers
Answer:
American Discounters is the cheapest.
Step-by-step explanation:
American Discounters:
149.49 - 30%
149.49 - (149.49 * 0.3) = 44.847
149.49 - 44.847 = 104.643
The Coffee Hut:
91.99 + 15%
91.99 + 13.8 = 105.79
The Bean:
106.49
When the door was left open, 36 pigeons flew the coop. If this was 40 percent of all the pigeons, how many pigeons were there originally?
Answers
Answer:
100%
Step-by-step explanation:
Is x=2 a solution to 3x+5>10? Explain
Answers
To figure out if x = 2 is a solution, plug 2 in for x. If the left side is greater than 10, then x is a valid solution. If the left side is not greater than 10, than x is not a valid solution.
3x+5>10
3(2)+5>10
6+5>10
11>10
11 is actually greater than 10, so x=2 is a solution to this inequality
The first term is 5. The second term is 6. Each term after the second is the sum of the two terms just before it. The first 5 terms in Alan's pattern are ( 5, 6, 11, 17, 28 ...) What are the next three numbers in the pattern?
Answers
Ryan wants to buy a new guitar that costs $325.00. He already has $75 in his account and makes $20 per day. How many days will he have to work before he can buy the guitar?
Answers
I subtracted the total cost for the guitar by the money he already had and got 250
Then I did 250/20 and got 12.5
250 is the money that he still needs for the guitar
Hope it helps
What is the slope of the line that passes through the points (0, -4)) and (-2, -1)
Answers
Answer:
Step-by-step explanation:
y = mx + b
m is the slope (what you want)
b is the y-intercept, which is the value of y when x = 0
Oh, right, we already have b, isn't that great!
Given point (0, -4), so b = -4
Point (-2, -1), where x = -2 and y = -1
-1 = -2m -4 (solve for m)
3 = -2m
m = -3/2
Check:
y = -3x/2 -4
y = -3(-2)/2 -4 -> should get y = -1
y = 3 -4 = -1
Yay, we have the answer!
Need help due today at 4:00plz help!!
Answers
Answer:i am not quite sure, my advice would be to look up a formula calculator, have a nice day <3
Step-by-step explanation:
Please show work;) goodnight also
Answers
Answer:
k f78iiujyhtgrf
Step-by-step explanation: