Using the definition of slope, the triangle with vertices (3 , 5), (-2 , 6), and (1 , 3) is a right triangle.
The slope, m, determines the steepness of a line. It can be measured by the vertical distance from one point to another divided by the horizontal distance of the same points.
m = (y2 - y1)/(x2 - x1)
To prove that the triangle with vertices (3 , 5), (-2 , 6), and (1 , 3) is a right triangle, there should be a pair of adjacent lines perpendicular with each other(forms 90 degree angle). The slope of this pair of adjacent lines must be negative reciprocal of one another.
let A = (3 , 5)
B = (-2 , 6)
C = (1 , 3)
Determine the slope of each line of the triangle: AB, BC, AC.
AB : m = (6 - 5)/(-2 - 3) = 1/-5 = -1/5
BC : m = (3 - 6)/(1 - -2) = -3/3 = -1
AC : m = (3 - 5)/(1 - 3) = -2/-2 = 1
-1 is the negative reciprocal of 1. The slope of BC is the negative reciprocal of the slope of AC, hence, side BC is perpendicular with each other.
Therefore, the triangle with vertices (3 , 5), (-2 , 6), and (1 , 3) is a right triangle.
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HIGHLIGHT >
AND NOTES
(a) Taro costs $7.00 per kilogram.
What is the cost of a taro that weighs 510 grams?
$2.83
$3.57
$4.28
$5.10
(b) A taro costs $4.20. What is the weight of the taro in grams (g)?
Answer: a) $3.57 b) 600 g
Step-by-step explanation:
a) 1 kg=1000g
Let's do the proportion:
$7.00 - 1000 g
$x - 510 g
Hence,
[tex]\displaystyle\\x=\frac{7*510}{1000} \\\\x=\frac{3570}{1000} \\\\x=3.57\ dollars[/tex]
b)
Let's do the proportion:
$7.00 - 1000 g
$4.20 - x g
Hence,
[tex]\displaystyle\\x=\frac{4.2*1000}{7} \\\\x=\frac{4200}{7} \\\\x=600 g[/tex]
a) The cost of a taro that weighs 510 grams is, $3.57
b) The weight of the taro in grams (g) is, 600 g
a) Here, Taro costs $7.00 per kilogram.
Hence, the cost of a taro that weighs 510 grams is,
= 1000 grams = $7.00
510 grams = $7.00 x 510 / 1000
= $3.57
Hence, the cost of a taro that weighs 510 grams is, $3.57
b) Since, A taro costs $4.20
Now, WE can change the weight of the taro in grams (g) as,
$7.00 = 1000 g
Hence, $4.2 = 1000 x $4.2 / 7
= 600 grams
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Can someone help me with my geometry hw?
Given that line AT bisects angle CAR, the measure of angle TAR is 35 degree.
What is the measure of angle TAR?Given the data in the question;
Line AT bisects ∠CARm∠CAT = 5xm∠CAR = 9x + 7m∠TAR = ?Since Line AT bisects ∠CAR
m∠CAR = 2 × m∠CAT
9x + 7 = 2( 5x )
We solve for x
9x + 7 = 10x
10x - 9x = 7
x = 7
We know that a bisector divides a line or angle into two equal halves.
Hence, m∠CAT = m∠TAR
m∠TAR = m∠CAT = 5x
m∠TAR = m∠CAT = 5(7)
m∠TAR = m∠CAT = 35°
Given that line AT bisects angle CAR, the measure of angle TAR is 35 degree.
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i need help solving this problem
Answer:
The answer is x=14
Step-by-step explanation:
(4x14 - 1)
(56 - 1)
Hope this helps ( ˊᵕˋ )♡
I need to find the perimeter, can you help me?
The distance from Chicago to Cleveland to Cincinnati and back to Chicago is 900 miles. The distance from Chicago to Cleveland is 50 miles more than the distance from Cincinnati to Chicago, and the distance from Cleveland to Cincinnati is 50 miles less than the distance from Cincinnati to Chicago. Find each distance and classify the triangle formed by the three cities.
Answer:
Step-by-step explanation:
Hello, I have a Wonderfull website that can help you with this question. (Mathgenius.com) it should pull it up. its all and every subject you can imagine.
Answer:
Chicago to Cleveland- 350 miles
Cleveland to Cincinnati-250 miles
Cincinnati to Chicago-300 miles
Type of triangle formed? - Scalene
Step-by-step explanation:
so I first give each of them a letter, so I chose a for Chicago to Cleveland, b for Cleveland to Cincinnati, and c for Cincinnati to Chicago. Then I write some equations.
a+b+c =900
b=c-50
a=50+c
i then plug the a and b equation into the first one to get
50+c+c-50+c=900
The fifties cancel out, so we are left with 3c =900 so c=300
From this we can figure out the rest by substituting in 300 for c in the an and b equations.
300-50=250
300+50=350
Please help with this question asap (true or false question)
Answer:
Step-by-step explanation:
true if 10=x and y equals 33
Suppose the midpoint of line RT is M=(3,0). If R has the coordinates (-1,-4), what are the coordinates of T?
The coordinates of the point T is a T(2,-4).
According to the statement
We have to find that the the coordinates of T.
So, For this purpose, we know that the
Coordinates are a set of values which helps to show the exact position of a point in the coordinate plane.
From the given information:
the midpoint of line RT is M=(3,0). If R has the coordinates (-1,-4),
Then
For the coordinates of the t
We know that the from the description of the given points of the line RT
T = R+M
It means the coordinates of the t is the sum of the coordinates of the r and the M.
Then
T (x,y) = R(-1,-4) + M(3,0)
T (x,y) = R+M (-1+3,-4+0)
T (x,y) = R+M (2,-4)
So, The coordinates of the point T is a T(2,-4).
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Solve the equation. Find the value of x.
2(-3x) + x = 5
Answer:
x = -1
Step-by-step explanation:
1. Remove parentheses
-2 * 3x + x = 5
2. Multiply
-6x + x= 5
3. Add like terms
-5x = 5
4. Divide both sides by -5
-x = -1
Find x and the measure of each side.
Δ F G H is an equilateral triangle with F G=3 x-10, G H=2 x+5 , and H F=x+20 .
For given equilateral triangle ΔFGH, x = 15. And the measure of each side is 35 units.
In given question,
ΔFGH is equilateral triangle.
The sides of ΔFGH are:
FG = 3x - 10,
GH =2x + 5 ,
and HF = x + 20 .
We need to find the value of x.
Since ΔFGH is an equilateral triangle, FG = GH = FH
⇒ 3x - 10 = 2x + 5 = x + 20
Consider 3x - 10 = 2x + 5
⇒ 3x - 2x = 5 + 10
⇒ x = 15
Now we find the measure of each side.
FG = 3x - 10
FG = 3(15) - 10
FG = 35 units
But FG = GH = FH
So, the measure of each side is 35 units.
Therefore, for given equilateral triangle ΔFGH, x = 15. And the measure of each side is 35 units.
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Bob has a collection of 450 pens. If he gave 90 pens to his friend
Jenny, find the percent of pens left with Bob?
Answer: The answer is: 360
Step-by-step explanation:
Subtract 450 by 90
450 - 90 = 360.
Hope this helped <//3
-1/15 + (-3/5)= answer it pls
Answer:
-2/5 or -10/15
Step-by-step explanation:
find the common denominater in this case you can multiplie 5 by 3 to get 15
no your question looks like -1/15+-9/15 just add -1 and -9 which gets you -10 so now you end up with -10/15 if you want it simplified just divide by 5 and you get -2/3
A student has taken three math tests so far this semester. His scores for the first three tests were 75,79 , and 83 .
b. What will be his total score for all six tests?
The total score in the six tests (average) is:
P = 85
What are sequences?A sequence is defined by an order of values and/or elements that have a relationship of variation as a ratio or proportion that makes them predictable.
The first thing to do in this problem is to compare the behavior of the first three trials (variation between each number):
75, 79, 83
83 - 79 = 479 - 75 = 4We must find an expression that models a variable behavior of 4 starting at 75
An = A1 + (n - 1)x : Where x = 4
Fourth proof:A(4) = 75 + (4 - 1)4
A(4) = 87
Fifth test:A(5) = 75 + (5 - 1)4
A(5) = 91
Sixth test:A(6) = 95
Average to know the score of all tests
P = (75 + 79 + 83 + 87 + 91 + 95) / 6
P = 85
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Simplify by combining like terms.
2 a+3 b+4 a
By combining the like terms, the simplified form of the the expression 2a+3b+4a is 6a+3b
Given,
The algebraic expression = 2a+3b+4a
Rearrange the terms
2a+3b+4a=2a+4a+3b
Combine the like terms
2a+4a+3b=6a+3b
Hence, by combining the like terms, the simplified form of the the expression 2a+3b+4a is 6a+3b
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What is the correct answer to
5
.
78
×
10
5
0
.
000002
?
Multiple choice question.
cross out
A)
2
.
89
×
10
8
cross out
B)
2
.
89
×
10
9
cross out
C)
2
.
89
×
10
10
cross out
D)
2
.
89
×
10
11
pls that was all my points i had left
The option that identifies the mistake that Miguel made is that Miguel found 5.78 ÷ 2 as 2.89, but incorrectly found the power of 10.
How to calculate the values?It should be noted that the number given is illustrated as:
5.78 × 10^5× 0.000002
= 2.89 × 10^5
Therefore, the mistake that Miguel made is that Miguel found 5.78 ÷ 2 as 2.89, but incorrectly found the power of 10.
In conclusion, the correct option is D
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Recognize the Error Miguel found the quotient
5
.
78
×
10
5
0
.
000002
as 0.289. Which of the following correctly identifies his mistake
Determine the distance between each pair of points. Then determine the coordinates of the midpoint M of the segment joining the pair of points.
S(6√3, 4,4√2) and T(4√3, 5, √2)
The midpoint is at ([tex]\frac{10\sqrt{3} }{2} , \frac{9}{2} , \frac{9\sqrt{2} }{2}[/tex])
In the given statement is
To find the midpoint of the line segment joining the pair of points
S(6√3, 4,4√2) and T(4√3, 5, √2)
Midpoint:
The coordinates of the midpoint of a line segment are the average of the coordinates of the end points.
m = (A +B)/2
If we are given three points and we wish to find the midpoint of those points, we need to use the midpoint formula m =( [tex]\frac{x_{1} +x_{2} }{2} , \frac{y_{1} +y_{2} }{2} , \frac{z_{1} +z_{2} }{2}[/tex] )
where:
(x1 , y1 ,z1) are the coordinates of the first point:
(x2 , y2 , z2) are the coordinates of the second point:
Now, We are given the three points S(6√3, 4,4√2) and T(4√3, 5, √2)
Solving for the midpoint , we have,
m = ([tex]\frac{6\sqrt{3}+4\sqrt{3} }{2} ,\frac{4+5}{2} , \frac{4\sqrt{2}+5\sqrt{2} }{2}[/tex])
m = ([tex]\frac{10\sqrt{3} }{2} , \frac{9}{2} , \frac{9\sqrt{2} }{2}[/tex] )
Therefore, the midpoint is at ([tex]\frac{10\sqrt{3} }{2} , \frac{9}{2} , \frac{9\sqrt{2} }{2}[/tex] )
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The formula C= 2nr is used to calculate the circumference of a circle. Solve this formula for r.
Answer:
r = C/2n
Step-by-step explanation:
that's the solution above
Tammy is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock’s distance from the lake’s surface changes at a rate of -5 inches per second. If Tammy holds her hand 5 feet above the lake’s surface, how far from Tammy’s hand is the rock 4 seconds after it hits the surface?
Lisa's hand is located twenty-five feet distant from the rock.
This is further explained below.
How far from Tammy’s hand is the rock 4 seconds after it hits the surface?Generally, If the rock is falling at a rate of 5 inches per second, then you can easily calculate how deep below the surface of the lake it was after 5 seconds by multiplying 5 by 4.
After four seconds, the rock will have dropped -20 inches.
Because Lisa's hand is five feet above the water's surface, we need to add five to the distance between her hand and the rock in order to calculate how far away it is.
After four seconds, Lisa's hand is located twenty-five feet distant from the rock.
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What is the quotient of 19.6 divided by 0.4?
0.049
0.49
4.9
49
Answer:
49
Hope this hleps :)
Step-by-step explanation:
19.6 ÷ 0.4 = 49
Check:
49 × 0.4 = 19.6 ✓
Which of the following is most likely the next step in the series?
Answer:
Step-by-step explanation:
Im not so sure about this one but I think it is D
The most likely next step in the series is:
Blue color with 7 rays.
Option D is the correct answer.
What is a pattern in a series of figures?A series containing figures will have a pattern between each consecutive figure.
We have,
From the series,
First figure:
Blue color and 3 rays.
Second figure:
Red color and 5 rays
We can assume that the color alternates and the number of rays increases by 2.
So,
Third figure.
Blue color and (5 + 2) rays.
Thus,
Option D is the third figure in the series.
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PLEASE HELP! rewrite the equation in standard form
Answer:
16x + 10y = 21
Step-by-step explanation:
the equation of a line in standard form is
Ax + By = C ( A is a positive integer and B, C are integers )
given
[tex]\frac{4}{3}[/tex] x + [tex]\frac{5}{6}[/tex] y = [tex]\frac{7}{4}[/tex]
multiply through by 12 ( the LCM of 3, 6 and 4 ) to clear the fractions
16x + 10y = 21 ← in standard form
Maya has c decks of cards. Each deck has 52 cards in it. Using c, write an expression for the total number of cards Maya has.
Alex owns three times as many brown shoes as red shoes, twice as many
black shoes as brown shoes, and four times as many white shoes as red
shoes. What is the ratio of the number of white shoes to the number of black
shoes he owns?
The ratio of the number of white shoes to the number of black
shoes Alex owns is 2:3
Let the number of red shoes be x
Then from the given information, we know that
brown shoes = 3 times red shoes = 3x
black shoes = 2 times brown shoes = 2(3x)= 6x
white shoes = 4times red shoes = 4x
We need to find the ratio between the number of white shoes and the number of black shoes owned by Alex
So, the ratio of the number of white shoes to the number of black
shoes he owns is number of white shoes : number of black shoes
= 4x: 6x
which can be simplified as 2: 3
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What is the practical advantage of requiring a function to have exactly one output for each input?
A particular kind of relation called a function is one in which every input value has only one and only one output value. The value of an input is the independent value, but the value of an output is dependent on the value of the input.
What is an independent value?The independent variable is the cause. The other study factors have no impact on its value. The dependent variable is effect. Its value is affected by changes in the independent variable.
It is an independent variable that has no bearing on the other factors you are attempting to evaluate. For example, age may be an independent variable.
The graph's x-axis (horizontal line) should contain the independent variable, and the y-axis should contain the dependent variable (vertical line).
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Assume that you have agreed to use a cellular plan that charges a price of p=3q+500 dollars for using q GB of data. Determine a formula for q that describes the amount of data you can use in terms of the amount of money that you are willing to spend.
The linear equation that describes the amount of data you can use in terms of the amount of money that you are willing to spend is q= (p-500)/3
P=3q + 500 is a linear equation where p is the price of the cellular plan and q is the amount of data used in the form of GB
In order to form a linear equation that describes the amount of data you can use in terms of the amount of money that you are willing to spend, we just need to shuffle the linear equation in order to get the coefficient if q as 1
First step, we need to move 500 from right hand side to left hand side which would change the sign from + to -.
=p - 500 = 3q
Second step, we need to move 3 from right hand side to left hand side which would change the sign from × to ÷.
= (p-500)/3 = q
Which can also be written as q= (p-500)/3
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A work survey found that 8 out of every 10 employees went on vacation last summer. If 3 employees' names are randomly chosen, with replacement, what is the probability that all 3 employees went on vacation last summer?
These are independent events because the likelihood of the first event has no bearing on the probability of the second event. Let V represent choosing holidaymakers from the previous summer.
What is probability ?
Probabilities are mathematical explanations of the likelihood that an event will occur or that a proposition is true.
P(V)= (8/10)*(8/10)*(8/10)
P(V)= 512/1000
= 51.2%.
The likelihood of an event is represented by a number between 0 and 1, with 0 typically signifying impossibility and 1 typically signifying certainty.
Basic probability is governed by three primary rules: the addition rule, the multiplication rule, and the complement rule.
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Solve for x in the diagram below
Read the question. Then fill in the correct answer on the answer document provided by your teacher or on a sheet of paper.
The Great Pyramid of Giza in Egypt originally had a height of about 148 meters. The base of the pyramid was a square with 230-meter sides. What was the original volume of the pyramid? Round to the nearest whole number.
A. 1,786,503m³
B. 2,609,733 m³
C. 104,128,752 m³
D. 122,716,907 m³
The correct choice is B
In the given statement is:
The Great Pyramid of Giza in Egypt originally had a height of about 148 meters. The base of the pyramid was a square with 230-meter sides.
To find the original volume of the pyramid.
We know that, the Volume of the Pyramid is V = 1/3 Bh,
Where B is the area of the base and h is the height of the pyramid.
Now, V = 1/3 Bh
V = [tex]\frac{1}{3}[/tex](230 x 230)148
V~ 2,609,733[tex]m^{3}[/tex]
Hence, The correct choice is B
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Find the eighth term of each geometric sequence. -3,6,-12, . . . . .
The eighth term of the given geometric sequence is: 384.
What is a geometric progression?A geometric progression, sometimes referred to as a geometric sequence in mathematics, is a series of non-zero numbers where each term following the first is obtained by multiplying the preceding one by a constant, non-zero value known as the common ratio.Now, given: -3, 6, -12, ....
Here, [tex]\frac{6}{-3}=\frac{-12}{6} = -2[/tex]
Thus this geometric progression has the common ratio = -2.
The nth term of a geometric sequence is given by: [tex]a_n=a_1(r^{n-1})[/tex]
For n = 8, a₈ = a₁ ( r⁸⁻¹)
=> a₈ = (-3)(-2)⁷
=> a₈ = 3 ( 128) = 384.
Hence, The eighth term of the given geometric sequence is: 384.
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The total price of a shirt and a cap is $10. If the price of the shirt was doubled and the price of the cap was four times its original price, the total price of a shirt and a
cap would be $26. The following system of equations models this scenario:
x+y=10
2x + 4y = 26
What is the price of each shirt and cap?
A)The price of a shirt is $9, and the price of a cap is $1.
B)The price of a shirt is $8, and the price of a cap is $2.
C)The price of a shirt is $7, and the price of a cap is $3.
D)The price of a shirt is $6, and the price of a cap is $4
Answer:
Step-by-step explanation:
c
C)The price of a shirt is $7, and the price of a cap is $3.
What is equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
here, we have,
x+y=10
2x + 4y = 26
solving, we get,
x=7 & y=3
Hence, C)The price of a shirt is $7, and the price of a cap is $3.
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Which is true about the triangles’ perimeters? 2 triangles labeled Triangle A and Triangle B. Triangle A has 3 sides, each labeled 9 kilometers. Triangle B's base is labeled 15 kilometers. Its other 2 sides are each labeled 8 kilometers.
Step-by-step explanation:
lex x be the common ratio/ scale factor
the sides and 13x
sum of the sides defines perimeter
that is
5x12x13x=15
30x=15
x=15/30
x=0.5
the sides of the triangle are 0.5(5)=2.5
0.5(12(=6
0.5(12)=6.5
2.5,6 6.5 All in inches