The correct answer is (x,y)=(-1,-2.4)
The coordinates are a pair of numbers that, using the horizontal and vertical lines, precisely pinpoint a point's location on a cartesian plane. typically represented by (x, y), the point's x and y values on a graph. Every point or an ordered pair comprises two coordinates.
The x coordinate, also known as the abscissa, is the first, and the y coordinate, also known as the ordinate. Any real number, whether positive or negative, can represent the coordinates of a point.
We have given the point
A(-3,-4) and B(2,0)
(x1,y1)=(-3,-4)
(x2,y2)=(2,0)
As P divided line segment AB in the ratio 2 to 3
m/n=2/3
x=(mx2+nx1)/m+n
x=(2)(2)+(3)(-3)/2+3
x=4-9/5
x=-5/5
x=-1
y=(my2+ny1)/m+n
y=(2)(0)+(3)(-4)/2+3
y=0-12/5
y=-12/5
y=-2.4
(x,y)=(-1,-2.4)
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0.21 × 0.129.¿? cual es la respuesta?.
Answer:0.02709
Step-by-step explanation: Just mutiple both of the numbers
Answer:
0.02709
Step-by-step explanation:
Just use your calculator to multiply the numbers
hope it helps, please give brainliest
Which expression can be used to show a set of twenty books divided into four groups?
The expression that can be used to show a set of twenty book divided into 4 groups [tex]\frac{20}{5}[/tex]
Given,
The total number of books= 20
Number of books in each group= 4
We have to use division
Then, the expression used to represent a set of 20 books divided into four group =[tex]\frac{20}{5}[/tex]
So the result will be 4
Hence, the expression that can be used to show a set of twenty book divided into 4 groups is [tex]\frac{20}{5}[/tex]
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given two points on a line and a third point not on the line, is it possible to draw a plane that includes the line and the third point?
Yes, it is possible to draw a plane that contains a line and a point not in the line.
A plane is a flat two-dimensional surface that extends to infinity. Planes are points (0-dimensional), lines (1-dimensional), and the 2-dimensional analogue of 3-dimensional space. The plane has zero thickness, zero curvature, infinite width, and infinite length. It's actually difficult to imagine an airplane in real life. All the flat surfaces of a cube or cuboid, the flat surface of paper are all practical examples of geometric planes.
In any dimensional Euclidean space, a plane is uniquely defined by either: Use three non-collinear points. Use points and lines that are not on this line. Use two different lines that intersect.
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<1 is the supplement of <2, and m<2 = 110.7°.
Find m<1. (2 points)
Answer:
69.3 degrees
Step-by-step explanation
supplement means 180 degrees so subtract 180-110.7
What is b in (2x+3)^2 =0?
the coefficient "b" (the one with the linear term) is 12.
What is the value of "b" in the equation?
The general quadratic equation is:
a*x^2 + b*x + c = 0
I guess that you want to find the coefficient "b" on the given equation.
Then we can just expand the given quadratic equation:
(2x + 3)^2 = 0
(2x + 3)*(2x + 3) = 0
Expanding that we get:
4x^2 + 6x + 6x + 9 = 0
4x^2 + 12x + 9 = 0
So the coefficient "b" (the one with the linear term) is 12.
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An elected official surveyed residents of a town to assess their satisfaction with city services. The survey includes both those who own and those who rent their homes. Level of satisfaction high medium low total owners 26 34 18 78 renters 15 12 5 32 total 41 46 23 110 what is the probability that a resident reports high satisfaction, given that the resident is a renter? 13. 7% 20. 0% 36. 6% 46. 9%
x+4/6x=1/x
multiply each side by 6x to get rid of the fractions
6x*(x+4/6x)=1/x*6x distribute
6x^2 +4 = 6
subtract 4 from each side
6x^2 +4-4 = 6-4
6x^2 =2
divide by 6
6x^2/6 = 2/6
x^2 = 1/3
take the square root of each side
sqrt(x^2) = ±sqrt(1/3)
x =±sqrt(1/3)
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A gift box has a surface area of 6.25 square feet. What is the surface area of the box in square inches?
The surface area of the box in square inches will be 39.0625 inches².
How to calculate the area?From the information, the gift box has a surface area of 6.25 square feet.
Therefore, the surface area of the box in square inches will be:
= Side × Side
= 6.25 × 6.25
= 39.0625 inches²
Therefore, the surface area of the box will be 39.0625 inches².
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7 rationals and irrationals prove that the product of a non-zero rational number and an irrational number is irrational.
Let x be a rational number and y be an irrational number. This is the correct choice.
Allow xy=a.
Suppose an is a rational being.
A can be stated as q p since it is rational, where p and q are both integers.
Let x = n m, where n and m are both integers.
Then, xy=a
n \smy \s \s = \sq \sp \s \s .
When we cross multiply, we obtain,
⇒y= qm \spn \s \s .
Pn and qm are currently integers.
Consequently, qm pn is a rational number.
Y, however, is illogical.
Consequently, our assumption is unfounded.
Therefore, an irrational number is always the result of adding a non-zero rational number to an irrational number.
What do you mean by irrational number ?a number that cannot be written as the quotient of two integers and cannot be expressed as an infinite decimal with a series of consecutive digits repeating itself forever.
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PLEASE HELP
What is the value of the function when x = 8?
Answer:
A function is a type of relation. A relation is the pairing of numbers from two sets. x = 8 is not a relation (no pairing) therefore it cannot be a function.
Match the polynomial expression on the left with the simplified version on the right.
(y + 5)²
(y - 5)(y + 5)
A
2-10
²-25
²+25
²-10y-25
²+10y + 25
Pls answer quick
The simplified version of first expression is y² + 10y + 25 and simplified version of second expression is y² – 25
The first polynomial expression on the left is (y + 5)²
= y² + 2×y×5 + 5² (using the formula (a + b)² = a² + 2ab + b²)
= y² + 10y + 25
The second polynomial expression on the left is (y + 5)(y – 5)
= y(y – 5) + 5(y – 5)
= y² – 5y + 5y – 25
= y² – 25
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The complete question is given below :
The polynomial expression on the left is (y + 5)², and the simplified version on the right for this polynomial is y² + 10y + 25.
The polynomial expression on the left is (y – 5)(y + 5), and the simplified version on the right for this polynomial is y² – 25.
Q5.
120 cm
The circle has a radius of 120 cm. Find the area of this circle.
Diagram NOT
accurately drawn
Answer:
about 45239 cm²
Step-by-step explanation:
create an equation from the model that describes the relationship between the weights on each side of the scale
The algebraic equation that describes the relationship of the weights on both sides of the scale is: 2y + 3 = 4y + 2.
How to Create an Algebraic Equation?Using the weights on each side of the scale, we can create an algebraic equation that describes it.
Assume each weigh on the scale represents each side of an algebraic equation.
On left side, we can express the weights as: 2y + 3
On the right side, we can express the weight as: 4y + 2
Thus, expressing the relationship of the weights, we would have:
2y + 3 = 4y + 2
Thus, the algebraic equation that describes the relationship of the weights on both sides of the scale is: 2y + 3 = 4y + 2.
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What is the slope of the line that passes through the points (2, 3) and (5,-6)?
Answer:
slope = - 3
Step-by-step explanation:
calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (2, 3 ) and (x₂, y₂ ) = (5, - 6 )
m = [tex]\frac{-6-3}{5-2}[/tex] = [tex]\frac{-9}{3}[/tex] = - 3
someone holds a buy 2 get 1 free sale on water color paint the paint tubes cost $7.25 each. how much money did the store lose by giving away the free tubes of paint?
With the help of basic Arithematic Operations it is concluded that the store lose $7.25 by giving away the free tubes of paint.
What is Addition ?A formula that depicts grouping objects into a bigger collection. The plus sign (+) serves as a symbol for it.
What is Subtraction ?A calculation that symbolizes the process of determining a difference between two numbers or units. The negative sign serves as a symbol for it (-).
The cost of a paint tube = $7.25
The cost of 2 paint tubes = $7.25 + $7.25 = $14.50
Therefore, subtracting the cost of one free paint tube from the total cost of two paint tubes
$14.5 - $7.25 = $7.25
Hence, the store lose $7.25 per sale by giving away the free tubes.
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The table shows the numbers y (in thousands) of people in a city who regularly use sharable electric scootersx weeks after the scooters are introduced.
im still learning that
Step-by-step explanation:
pls help :) brainliest
Answer:
151 shirts
Step-by-step explanation:
2578 divided by 17 is 151.647...
Answer:151
Step-by-step explanation:2578 divided by 17 equals 151.6470588. you cant have a partial shirt so you have to round down or you will go over your money
What is 943,158,670.3491 rounded to the 100 millions? PLEASE ANSWER ASAP!
Answer: ≈900,000,000
Step-by-step explanation:
[tex]943,158,679.3491\approx900,0000,000[/tex]
4. Which best represents the transformation algebraically?
a. (x, y) b. (-x, y)
C.
(-x, -y)- d. (x + 18, y)
Answer:here is ur answer
Solution (b): The function y = f (x + 5) is of the form y = f (x + c). Therefore, the graph of y = f (x + 5) will be the same as that of f (x) but shifted to.
step-by-step explanation: i really hope this helps lmk if i am wrong (: <3
7 Evaluate variable expressions: word problems 7XA
During the school year, if Reba is absent from school for a days and there are c days canceled
for snow or bad weather, she attends school for 180- a - c days. Last year, she was absent 6
days and school was canceled 1 time for bad weather.
How many days did Reba attend school last year?
Answer:
172
Step-by-step explanation:
-7x-11x-224=64
PLEASE GIMME THE ANSWERRR
Answer: 16
Step-by-step explanation:
4 cards are drawn at random from a standard deck. find the probability that all the cards are hearts. find the probability that all the cards are face cards. note: face cards are kings, queens, and jacks. find the probability that all the cards are even. (consider aces to be 1, jacks to be 11, queens to be 12, and kings to be 13)
The probability that all the 4 cards are
1) hearts = 0.0026
2) face cards = 0.0018
3) even cards = 0.0179
In a standard deck of cards, we have:
Total number of cards= 52
1) The probability that all the cards are hearts.
In a standard deck of cards, we have:
the number of Hearts = 13
When a card is selected, the number of cards reduces by 1.
So, the probability that all the 4 cards are hearts is:
P1 = 13/52 × 12/51 × 11/50 × 10/49
P1 = 0.25 × 0.2353 × 0.22 × 0.2041
P1 = 0.0026
2) The probability that all the cards are face cards.
In a standard deck of cards, we have:
Face card = 12
When a card is selected, the number of cards reduces by 1.
So, the probability that all the 4 cards are face cards.
P2 = 12/52 × 11/51 × 10/50 × 9/49
P2 = 0.2308 × 0.2157 × 0.2 × 0.1837
P2 = 0.0018
3) The probability that all the cards are even.
In a standard deck of cards, we have:
Even cards = 20
When a card is selected, the number of cards reduces by 1.
So, the probability that all the 4 cards are even.is:
P3 = 20/52 × 19/51 × 18/50 × 17/49
P3 = 0.3846 × 0.3725 × 0.36 × 0.3469
P3 = 0.0179
Hence, the probability that all the 4 cards are even is 0.0179
Therefore, the probability that all the 4 cards are
1) hearts = 0.0026
2) face cards = 0.0018
3) even cards = 0.0179
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A cargo plane left Singapore flying west
nine hours before an Air Force plane. The
Air Force plane flew in the opposite
direction going 260 km/h slower than the
cargo plane for three hours after which
time the planes were 5970 km apart. Find
the cargo plane's speed.
The cargo plane's speed is 576.7 km /hour.
Given, the cargo plane flew away 9 hours before an air force plane.
The air force plane is in the opposite direction.
speed of the air force plane is : 260 km/hr
time = 3 hours
distance for which plane's are apart = 5970 km
therefore, 9x + 3(260) = 5970
9x + 780 = 5970
9x = 5970 - 780
9x = 5190
x = 5190/9
x = 576.7 km
hence the speed of the cargo plane is 576.7 km.
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this is for 2 and 3 graders math lol ez
Answer:
lol
Step-by-step explanation:
literally where's the question only answer??
Answer:
???
Step-by-step explanation:
4x - 8 = -2x + 20
2x - 8 = 20
2x = 28
x = 14
is this right or wrong, what is the incorrect step?
4x-8=-2x + 20
4x+2x= 20 + 8
6x=28
x=28 : 6
x= 4,6
CREATE Write an absolute value relation in which the domain is all nonnegative numbers and the range is all real numbers.
Answer I really don’t know math
Step-by-step explanation:
Can someone answer this plsssss
Answer:
2x+5y+20
Step-by-step explanation:
9+8n≤1 please help me with this
Answer:
n ≤ -1
Step-by-step explanation:
Inequality is a concept that refers to the unequal distribution of resources, opportunities, or status among individuals or groups. It can be measured in a number of ways, including income inequality, wealth inequality, and educational inequality.
For the Question:
Let's solve for 'n':
Given inequality:
[tex]\sf 9 + 8n \leq 1[/tex]
Subtract 9 from both sides:
[tex]\sf 9 + 8n -9 \leq 1 -9[/tex]
[tex]\sf 8n \leq -8[/tex]
Divide both sides by 8 (remember, since you're dividing by a negative number, the inequality sign flips):
[tex]\sf \dfrac{8n}{8} \leq \dfrac{-8}{8}[/tex]
n ≤ -1
So, the solution for 'n' that satisfies the inequality is n ≤ -1.
two f1 plants were crossed with each other and the f2 generation consisted of 860 tall plants with purple flowers; 285 dwarf, purple plants; 340 tall, pink plants; and 115 dwarf, pink plants (1600 total). a chi-square goodness-of-fit test is used to see if these data represent chance deviations from a 9:3:3:1 ratio. what will be the calculated chi-square value and what will be the degrees of freedom used to interpret the chi-square?
According to the given statement the chi-square value in the test of this hypothesis is 10.111.
The correct option is C.
What is chi-square value?The chi-square statistic contrasts the actual values with what was anticipated. The discrepancy between the values observed and expected is tested using this test statistic to see if it is statistically significant.
According to the given data:Tall and purple flower observed valve = 860
Dwarf and purple flower observed valve = 285
Tall and pink flower observed valve = 340
Dwarf and pink flower observed valve = 115
Total no. of flower = 860 + 285 + 340 + 115
= 1600
The ratio given is 9: 3: 3: 1
Expected no. for Tall and purple = 100(9/16) = 900
Expected no. for Dwarf and purple = 1600(3/16) = 300
Expected no. for Tall and pink = 1600(3/16) = 300
Expected no. for Dwarf and pink = 1600(1/16) = 100
chi-square value = ∑ (objered value - expected value)² /Expected value
= [tex]\begin{aligned}\frac{(860-900)^2}{900}+\frac{(285-300)^2}{300}+\frac{(340-300)^2}{300} +\frac{(115-100)^2}{100}\end{aligned}[/tex]
= 1.778 + 0.75 + 5.333 + 2.25
= 10.111
The value is 10.111
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I understand that the question you are looking for is:
A dihybrid plant was crossed; the F2 generation consisted of: 860 tall plants with purple flowers; 285 dwarf, purple plants; 340 tall, pink plants; and 115 dwarf, pink plants. The data remind you of a 9:3:3:1 ratio. What is the chi-square value in the test of this hypothesis?
a. 0.377;
b. 7.5;
c. 10.11;
d. 11.08;
e. 15.78
Rewrite the expression using the Distributive Property. Then simplify.
2(x+4)
Write the simplified expression.
The expression can be rewrite as [tex](2\times x)+(2\times4)[/tex] using distributive property and on simplification ,it gives [tex]2x+8[/tex] .
"Distribution" means sharing or giving a share or portion of something.The distribution laws of multiplication for basic arithmetic operations such as addition and subtraction are known as distribution characteristics.According to this property, multiplying the sum of two or more summands by a number gives the same result as multiplying each summand separately by a number and then adding the products.Use this property of multiplication rather than addition when you need to multiply a number by the sum of two numbers.
Let's use properties to calculate given the expression. The number 2 is divided by two addends. Simply put , multiply each summand by 2 and add the products together.
By using distributive property , we get
[tex]2(x+4)=(2\times x)+(2\times4)[/tex]
On simplifying , we get
[tex](2\times x)+(2\times4)=2x+8[/tex]
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[tex]\huge\text{Hey there!}[/tex]
[tex]\huge\textbf{What is the distributive property}\\\\\huge\textbf{formula?}[/tex]
[tex]\mathsf{a(b + c)}\\\\\mathsf{= a(b) + a(c)}\\\\\mathsf{= ab + ac}[/tex]
[tex]\huge\textbf{But what about your equation?}[/tex]
[tex]\mathsf{2(x + 4)}\\\\\mathsf{= 2(x) + 2(4)}\\\\\mathsf{= 2x + 8}[/tex]
[tex]\huge\text{Therefore your answer should be: \boxed{\mathsf{2x + 8}}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
Use the number line to answer the following 2 questions.
1. How many groups of 1/9 are in 2?
2. Evaluate 2 ÷ 4/9=
1. The groups of 1/9 that are in 2 is 18.
2. 2 divided by 4/9 is 4 1/2.
How to calculate the fractions?It should be noted that the information relates to fractions. In this case, they'll be solved this:
The groups of 1/9 that are in 2 will be:
= 2 ÷ 1/9
= 2 × 9
= 18
Also, 2 divided by 4/9 will be:
= 2 ÷ 4/9
= 2 × 9/4
= 9/2
= 4 1/2
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