Answer:
3 : 4
Step-by-step explanation:
Given:
1213 = total number of registered voters887 = people who votedratio of people who voted to total number of registered voters:
To find the approx ratio, round both numbers to the nearest hundred:
887 ≈ 9001213 ≈ 1200Therefore, 887 : 1213 ≈ 900 : 1200
The greatest common factor of 900 and 1200 is 300,
so we can reduce the ratio further by dividing both sides by 300:
⇒ 900 : 1200 = 3 : 4
1)Find the quadratic equation
3(3x [tex] {}^{2} [/tex]+ 1)=12x
2)Find the quadratic equation
[tex]9y {}^{2} - 12y - 14 = 0[/tex]
Step-by-step explanation:
"find" ?
the equations are already there.
do you mean solve in the sense of finding the zero points of the equations ?
if so,
the general solution of a quadratic equation is
x = (-b ± sqrt(b² - 4ac))/(2a)
3(3x² + 1) = 12x
9x² + 3 = 12 x
9x² - 12x + 3 = 0
a = 9
b = -12
c = 3
x = (12 ± sqrt(144 - 4×9×3))/18 = (12 ± sqrt(144-108))/18 =
= (12 ± sqrt(36))/18 = (12 ± 6)/18
x1 = (12 + 6) / 18 = 18/18 = 1
x2 = (12 - 6) / 18 = 6/18 = 1/3 = 0.3333333...
9y² - 12y - 14 = 0
same thing, we just use y instead of x.
a = 9
b = -12
c = -14
y = (12 ± sqrt(144 - 4×9×-14))/18 = (12 ± sqrt(144+504)/18 =
= (12 ± sqrt(648))/18 = (12 ± sqrt(324×2))/18 =
= (12 ± 18×sqrt(2))/18
y1 = (12 + 18×sqrt(2))/18 = 12/18 + sqrt(2) = 2/3 + sqrt(2) =
= 0.942809042...
y2 = (12 - 18×sqrt(2))/18 = 12/18 - sqrt(2) = 2/3 - sqrt(2) =
= -0.747546896...
Frank is on the swim team. Each week he swims a total of 6,000 meters. How many kilometers does he swim each week?
Be sure to include the correct unit in your answer
Answer:
6 km
Step-by-step explanation:
1 meter = 1/1000 km
(1 meter = 1/1000 km) x 1000
1000 meters = 1 km
6000 meters = ?
1 x 6000m = 1000 x ?
6000 = 1000 x 6
6000/1000 = 1000 x 6/1000
6 = 6
Both sides divided by 1000 are 6, so the answer is 6 km.
If A= (-4 -1 -9) (-9 6 9) (-1 -1 3) and B= (-10 -7 -5) (9 -7 -1) (9 -4 2), find 6A - 8B
HELP i don’t know what the slope is or how to do this!!!
The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).
[tex]m = \frac{rise}{run} = \frac{y2 - y1}{x2 - x1} [/tex]
please like
Answer:
undefined
Step-by-step explanation:
Slope is a measure of the vertical change relative to the horizontal change. On an x-y graph, it will be the difference in y-coordinates divided by the corresponding difference in x-coordinates. It is often referred to using the letter m.
m = (y2 -y1)/(x2 -x1) . . . . . slope of line between points (x1, y1) and (x2, y2)
It does not matter which points you call point 1 and point 2.
__
For the points given on the graph we can compute the slope to be ...
m = (2 -(-3))/(-1 -(-1)) = 5/0
The zero in the denominator makes this value "undefined." So, we say the slope of any vertical line is "undefined."
PLS ANSWER AS SOON AS POSSIBLE
Answer:
[tex]3(7b - c)( {c}^{2} + 2)[/tex]
My solved. is on the picture hope it helps brainliest if correct.
Evaluate the expression for y=-29
-42(y+31)=
Please!!!!
Answer:
[tex] \huge{ \boxed{ \tt - 84}}[/tex]
Step-by-step explanation:
[tex] \sf \rightarrowtail - 42(y + 31)[/tex]
[tex] \\ \\ [/tex]
[tex] \sf \rightarrowtail - 42( - 29 + 31)[/tex]
[tex] \\ \\ [/tex]
[tex] \sf \rightarrowtail - 42(2)[/tex]
[tex] \\ \\ [/tex]
[tex] \sf \rightarrowtail - 42 \times 2[/tex]
[tex] \\ \\ [/tex]
[tex] \sf \rightarrowtail - 84[/tex]
Graph the parabola.
y=3x²-4
Plot five points on the parabola: the vertex, two points to the left of the vertex, and two points to the right of the vertex. Then click on the graph-a-function
button.
Answer:
Vertex: (0, -4)
Graph: I can't share a link so you can go to desmos and paste your equation
Step-by-step explanation:
the vertex is where the axis of symmetry meets with the parabola.
The axis of symmetry is (-b)/(2a) which equals 0 because there is no linear x value
therefore,
y=3(0)^2-4
=-4
so the vertex is (0, -4)
to find the other points, list two x values larger than 0 and substitute into the equation to find y
list two x values smaller than 0 and substitute to find the points on the left of the vertex.
a water tank has total capacity 1550 if 28% of the water got drained out how much water left the tank
Step-by-step explanation:
total capacity =1550l
water drained rate= 28%
amt of water drained =28% of 1550 =434l
now,
water left the tank =1550l-434l =1116l
help please find the midpoint
Write a word problem that can be solved by dividing 6 by 5
Answer:
If john as 5 apples and has 6 friends That what an apple. How many apples will everybody get.
Step-by-step explanation:
answer 7 and 10 only
7.
We are given:
abcissa(x-coordinate) of given point: -6
let's say the ordinate(y-coordinate) of the given point is y
distance of the given point from (1,3) = √74
we can rewrite the given information as:
the distance between the points (-6,y) and (1,3) is √74
finding y:
we know that in order to find the distance between any two points, we use the distance formula, which goes as follows:
distance = [tex]\sqrt{(x_1-x_2)^2 + (y_1 - y_2)^2}[/tex]
from the data we are given, let's say that:
(x₁, y₁) = (-6, y)
(x₂, y₂) = (1, 3)
(you can use them interchangably, there is no restriction on which point gets to be labelled as 1)
plugging this in the distance formula, we get:
distance = [tex]\sqrt{(-6-1)^2 + (y - 3)^2}[/tex]
we are also given that the distance is √74,
√74 = [tex]\sqrt{(-7)^2 + (y - 3)^2}[/tex]
squaring both sides to get rid of the square root
74 = (-7)² + (y - 3)²
74 = 49 + y² + (3)² -2(y)(3) (using the "square of sum" identity)
74 = 49 + y² + 9 - 6y
74 = 58 + y² - 6y
y² - 6y + 58 - 74 = 0 (subtracting 74 from both sides)
y² - 6y - 16 = 0
y² - 8y + 2y - 16 = 0 (splitting the middle term)
y(y - 8) + 2(y - 8) = 0
(y + 2)(y - 8) = 0
which means that:
y + 2 = 0 , y - 8 = 0
y = -2 , y = 8
These are the two possible values of y
8.
We are given:
points A and B
A: (3, y)
B: (6, 2)
distance between A and B = 5 units
finding possible values of y
here, we will use the distance formula again to find the value of y
distance formula: [tex]\sqrt{(x_a-x_b)^2 + (y_a - y_b)^2}[/tex]
plugging the given values, we get:
5 = [tex]\sqrt{(3-6)^2 + (y - 2)^2}[/tex]
25 = (3 - 6)² + (y - 2)² (squaring both sides)
25 = (-3)² + (y - 2)²
25 = 9 + y² + (2)² - 2(y)(2)
25 = 9 + y² + 4 - 4y
y² - 4y + 9 + 4 - 25 = 0 (subtracting 25 from both sides)
y² - 4y - 12 = 0
y² - 6y + 2y - 12 = 0 (splitting the middle term)
y(y - 6) + 2(y - 6) = 0
(y + 2)(y - 6) = 0
y + 2 = 0 , y - 6 = 0
y = - 2 , y = 6
These are the two possible values of y
1+17+29+14+33 how to calculate quickly
Step-by-step explanation:
take all numbers, and add all of the numbers under 25 first, then add the ones over 25, then add the sum of both:
1
17
14
= 32
29
33
= 62
32 + 62 = 94
Ned paid a sale price of $44 for two concert
tickets. If he wants to make a 75% profit on the
tickets, how much will he need to raise the price
of the tickets by? What will be the new selling
price for the tickets?
Answer:
$33
Step-by-step explanation:
75% profit = 44 x 75% = $33
So, he will need to raise it by $33 to make a 75% profit
New price : #77
Check : If he sell it for $77, he makes a $33 profit, which is 75% of $44.
Find the surface area of the cylinder. Use 3.14 for pi. Do not round the answer
690.28
650.83
500.83
791.28
Answer:
C) 500.83
Step-by-step explanation:
Surface area for a cylinder formula:
SA = 2πrh + 2πr²
Given:
d = 11
r = d/2 = 11/2 = 5.5
h = 9
Work:
SA = 2πrh + 2πr²
SA = 2(3.14)(5.5)(9) + 2(3.14)(5.5)²
SA = 310.86 + 2(3.14)(30.25)
SA = 310.86 + 189.97
SA = 500.83
1
A coffee pot holds 3 quarts of coffee. How much is this in cups?
4
Write your answer as a whole number or a mixed number in simplest form. Include the correct unit in your answer.
Answer:
12 cups
Step-by-step explanation:
You multiply the the quarts amount by 4
PLS HELP
answer this quick questions please!!
1. c - (-3) = 15
2. (-7) + b = (-11)
3. d x (-4) = 32
Answer:
12, -4, -8
Step-by-step explanation:
1) c=12
c+3=15 subtract 3 from each side. c=12
2) b= -4
-7+b=-11 add 7 to each side. b = -4
3) d= -8
-4d=32 divide each side by negative 4. d = -8
The supply and demand curves for a market are graft below with price in dollars and quantity in thousands. Which of the following would result from an increase in the supply curve? a. a market equilibrium price greater than $30 b. A market equilibrium price less than $30 c. A market equilibrium quantity less than $30 d. A market equilibrium quantity greater than $30
Answer:
B) A market equilibrium price less than $30
Step-by-step explanation:
When the supply curve increases, it shifts to the right, making the market equilibrium price lower because the oversupply of the quantity causes demand to drive down.
What s the value of h expression (2) 8
Answer:
the value of h is 16
What are the coordinates of the image of vertex D after
a reflection across the x axis?
Answer:
6. Which displays the properties of the selected object?
a) Timeline
b) Property Inspector Box
c) Tools Panel
d) Stage
7. What is the extension of the Animate CC file ?
a) .mp3
b) .fls
c) .xls
d) .fla
8. This is a list of clear instructions for solving a problem.
a) Algorithm
b) Abstraction
c) Decomposition
d) Analysis
9. This is a diagrammatic representation of steps to solve a problem.
a) Looping
b) Flowlines
c) Flowchart
d) Algorithm
10. The ____ tool is used to draw star shapes.
a) Rectangle
b) Oval
c) Square
d) Polygon
An isosceles triangle has an angle that measures 54°. Which other angles could be in that isosceles triangle? Choose all that apply.
Answer:
54 degrees
54 degrees
72 degrees
or
54 degrees
63 degrees
63 degrees
an isosceles triangle has 2 equal angles, and the angles of a triangle always add up to 180 degrees
Which function is graphed below?
Answer:
C. f(x)=sin(x)
Step-by-step explanation:
Graphed each equation on desmos to see which one matched your image.
Good luck with your work, edge is the worst xD
please help with step by step
Answer:
Alright breakdown
Step-by-step explanation:
#7. Constant of Proportionality.
divide the 276 by the 184: 276 / 184
which will give you an answer: 1.5
now, multiply 208 by 1.5: 312
Answer: YES
#8 same context, 300 / 425: 0.70
680 x 0.70 : 476
Answer NO
The Gantry family has to pay the following bills for the month of June. Electricity $150, Gas $120, Groceries $530, Water $110, Phone and internet $70. What is the total amount the Gantry family needs to pay in bills for the month?
225° transformarlos a radianes
Step-by-step explanation:
[tex]225 \times \frac{\pi}{180} = 3.927 \: radianes[/tex]
Can anyone help me find the missing coefficient?
2n + (7n + 8) = n + 8
Answer:
Step-by-step explanation:
2n + 7n + 8 = n + 8
9n + 8 = n + 8
9n = n
n = 0
Answer:
n = 0
Step-by-step explanation:
2n + (7n + 8) = n + 8
2n + 7n + 8 = n + 8
9n + 8 = n + 8
9n -n = 8 - 8
8n = 0
n = 0
How much sugar syrup what you get by making the following concentration 10% sugar syrup is it 80 g of sugar
Solve
Answer:
800g
Step-by-step explanation:
10% of x = 80 g
x = 80 x 10
x = 800g
what is the answer. help
Answer: 230
Step-by-step explanation:
Answer:
230.582
Step-by-step explanation:
math, sorry if its wrong im not good with math
Elsa currently has 375 g of sugar and then uses 7 ounces for baking a cake. How many grams (g) of sugar does she have left? 1 ounce = 28 g
Answer:
179g
Step-by-step explanation:
1ounce = 28g
7 ounces = 196g
375g - 196g
179g
estimate 635/39 by first rounding each number so that each only has one 1 non-zero digit
Lin’s family is out for a bike ride when her dad stops to take a picture of the scenery. He tells the rest of the family to keep going and that he’ll catch up. Lin's dad spends 5 minutes taking the photo and then rides at 0.24 miles per minute until he meets up with the rest of the family further along the bike path. Lin and the rest were riding at 0.18 miles per minute.
It took Lin's dad about 3.6 miles for him to meet up with his family.
SpeedSpeed is the ratio of total distance travelled to total time taken. It is given by:
Speed = distance / time
Let d represent the distance travelled by Lin to meet up with his family. Hence:
Total time for Lin's Dad = d/0.24 + 5
Total time for Lin = d/0.18
Hence:
d/0.24 + 5 = d/0.18
100d/24 + 5 = 100d/18
1800d + 2160 = 2400d
d = 3.6 miles
Find out more on Speed at: https://brainly.com/question/4931057