Answer: help is to make it easier for (someone) to do something by offering one's services or resources.
"they helped her with domestic chores"
Step-by-step explanation: hope this helps
Rashid asked the genie, "How many wishes have you granted?"
Is this a statistical question?
The question asked by Rashid to genie, “ How many wishes have you granted ?” is not a statistical question.
Statistical question is a question that can be answered by collecting the data that vary and for which there will be variability in that data.
According to question, the question asked by Rashid has a direct answer for which there is no need to collect any data that is it has single data point which does not have any variability.
Thus the question asked by Rashid to genie is not a statistical question.
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NEED HELP ASAP! will rate 5 stars!!
Answer:
The first one is the answer
Step-by-step explanation:
a₁ is the first term of a sequence, r is a common ratio, and d is a common difference. Write the first five terms. a₁=-100, r=1/5
The first five terms of a geometric sequence with first term -100 and common ratio 1/5 are -100, -20, -4, -4/5, -4/25
The given parameters:
a₁ = -100, r = 1/5
r is the common ratio, hence, the given sequence is a geometric sequence.
In a geometric sequence, the formula for the nth term is given by:
a(n) = a(1) . rⁿ⁻¹
We can also find the terms using recursive formula. The nth term of a geometric sequence is equal to the (n-1)th term times the common ratio, r. Mathematically,
a(n) = a(n -1) . r
Let us start from n = 1
a(1) = -100 (given)
a(2) = a(1) . r = (-100) . 1/5 = -20
a(3) = a(2) . r = (-20) . 1/5 = -4
a(4) = a(3) . r = (-4) . 1/5 = -4/5
a(5) = a(4) . r = (-4/5) . 1/5 = -4/25
Therefore, the first five terms are -100, -20, -4, -4/5, -4/25
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Solve for the value of w
Answer:
[tex]w=9[/tex]
Step-by-step explanation:
[tex](4w-7)+(7w-2) = 90\\11w-9=90\\11w=99\\w=9[/tex]
WILL CHOOSE BRAINLIEST!!!!
Construct three different isosceles right triangles. Explain your method. then verify your constructions using measurement and mathematics.
A right triangle with a right angle and two sharp angles that are congruent to one another is known as an isosceles right triangle.
What is an Isosceles Right Triangle?A right triangle with a right angle and two sharp angles that are congruent to one another is known as an isosceles right triangle. A right triangle that is also isosceles is known as an isosceles triangle. It therefore has two sides that are identical and one right angle.
A right triangle with two equal-length legs is called an isosceles right triangle. The corresponding angles would also be congruent because the lengths of the two legs of the right triangle are equal. As a result, the two acute angles and two legs of an isosceles right triangle are congruent.
How to construct three different triangles?Constructing triangles will consist of the development of various triangles the use of a protractor, a compass and a ruler.
How constructions will use measurement and mathematics?Construction of triangles is straightforward while the measurements are given to us primarily based totally on extraordinary homes which include SSS, SAS and ASA.
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A surveyor standing on a horizontal plain can see a volcano in the distance. The angle of elevation
to the top of the volcano is 23°. If the surveyor moves 750 m closer, the angle of elevation is
now 37°. Determine the height of the volcano above the plain.
Height of the volcano = 729
The elevation angle to the peak of the volcano is 23 degrees.
The surveyor goes 750 feet closer to the volcano, and the angle of elevation now equals 37 degrees.
It forms an ABC triangle.
Point A = the volcano's summit
Point B is the volcano's lowest point.
Point C = height of 23 degrees to the volcano
Point D = going 750 towards the volcano and establishing a 37-degree elevation angle
BD = ?
DC = 750
Tan 23 degrees AB/BC
Tan 23 degrees AB = BC
Tan 37 degrees AB/BD
Tan 37 degrees = AB
23 degrees BC Tan 37 degrees BD Tan
(BD +750)
BD (.7536-.4245) = 318.356
BD = 967.35
Height of the volcano = 729
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How many pints are in 3.5 gallons
b ˜µ /ndf gn df/ng df/ng /dnf gn fdng
Answer:
28 pints
Step-by-step explanation:
1 gal= 8 pints
for reference: pint = gallon × 8
so,
3.5 gallons × 8 gives you 28.
A die is rolled. Find the probability of the outcome. P(odd)
The probability of the outcome P(odd) is 1/2.
Probability is a measure of the likelihood of an event to occur. It can range in from 0 to 1, where 0 means the event to be an impossible one and 1 indicates a certain event.
We know that,
All outcomes in a die are 1,2,3,4,5, and 6.
Even outcomes = 2,4, and 6
Odd outcomes = 1,3, and 5
Hence,
Total number of odd outcomes = 3
Total number of outcomes = 6
We know that,
Probability of an event = Number of possible outcomes of the event/ Total number of outcomes
Therefore, we can write:-
Probability of the odd outcomes = 3/6 = 1/2
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Sandi and Felipe are participating in a Walk for Life to raise money for charity. Sandi will raise $30, plus $2.50 for each mile she walks. Felipe will raise $20, plus $5 for each mile he walks. The total amount that each will raise can be calculated using the following expressions, where n stands for the number of miles walked: Sandi: 30 + 2.5n Felipe: 20 + 5n After how many miles will Sandi and Felipe have raised the same amount of money?
Using linear equations, Sandi and Felipe have raised the same amount of money after 4 miles.
We can calculate using linear equations
Formulate based on the criteria stated: 30 +2.5 x x = 20 + 5 × x
Unknown terms should be moved to the left side of the equation:
2.5x-5x= 20-30
combining similar terms
-2.5x = 20 - 30
Determine the total or difference: 2.5x = -10
Subtract the coefficient of the variable from both sides of the equation: = -10 ÷ (−2.5)
Take the parenthesis out: 10 ÷ 2.5 =
Determine the quotient or product:
x = 4
find the outcome: = 4
Response: x = 4.
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Solve by factoring 6x^2-x-13
Answer:
Step-by-step explanation:
6x^2 - x - 13 = 0
6 * -13 = -78.
So, to factor this we need 2 integers whose product is -78 and whose sum is -1.
There are no such integers so we can't solve this by factoring.
Evaluate each expression for x=0 . (x-4)+12
After evaluating the expression for x=0, the equation (x-4)+12 = 8
⇒ ((0)-4)+12
⇒ -4 + 12
⇒ 8
How to solve an equation?To solve linear equations, utilize the steps that are provided below.
Remove parentheses from each side of the equation and combine similar terms to make it simpler.To separate the variable term on one side of the equation, use addition or subtraction.To find the variable, use division or multiplication.The common denominator can be multiplied by each side of the equation to eliminate fractions.Lets take an example of solve z for 7z – (3z – 4) = 12
Here is no multiplication or division, so this will be easy to solve
⇒ 7z – (3z – 4) = 12
⇒ 7z – 3z + 4 = 12
⇒ 4z = 12 – 4
⇒ 4z = 8
⇒ z = 8/4
⇒ z = 2
See, that was so simple, using the mentioned methods, every linear equation can be solved easily.
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Give an example of a function that represents a direct variation.
If y varies in direct proportion to x and y = 6 when x = 2, the variational constant is k = = 3. Consequently, y = 3x is the equation that describes this direct variation.
What is direct variation?Direct variation is the change in one quantity as a result of the change in another. This suggests that if one quantity rises or falls, the other must rise or fall correspondingly as well.
The formula y = kx is used to answer direct variation questions. If finding the proportionality constant is necessary, the answer is obtained by dividing y by x.
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⚠️ARE YOU A PRO AT ALGEBRA⁉️❓? I NEED HELP. BE SURE TO EXPLAIN WHAT METHOD YOU USED (GRAPHING, ALGEBRAIC, NUMERIC) TO DETERMINE WHETHER THEY ARE INVERSE OR NOT AND EXPLAIN HOW YOU KNOW YOU ARE CORRECT ⚠️
I used the Algebraic Method to solve the questions
The First functions are inverses but the Second set aren't
Fran's account balance is -$22.91, and Zach's account balance is -$26.45. Which of the following is true?
A.
Fran's account balance = Zach's account balance
B.
Fran's account balance > Zach's account balance
C.
Fran's account balance < Zach's account balance
Answer:
B.
Fran's account balance > Zach's account balance
Step-by-step explanation:
Daniel decided to take part in a 10-day fitness challenge for his PE class. Each day, Daniel has to do 5 more push-ups than he did the day before. If Daniel did 20 push-ups on the first day of the challenge, how many total push-ups will he have done during the 10-day challenge?
The answer is 495
Step-by-step explanation:
If you need to add 5 more push-ups every day and find the total it would be 20+25+30+35+40+45+50+55+60+65+70=495
What are the assumptions for a chi square test for homogeneity? mark all that apply.
The assumptions for a chi square test for homogeneity are
The variables are assumed to be categorical variablesThe observations are assumed to be independentThe cells in the contingency table are assumed to be mutually exclusive.How to determine the assumptions for a chi square test?In statistics, the chi square test is used to determine where there exists a relationship or association between two variables
Amongst other assumptions, the variables are assumed to be categorical variables.
This means that variables can be used as labels
The other assumptions are:
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These triangles are congruent by the triangle congruence postulate ___
Answer:
6.8Equils5 so the awnser is sas
A rectangle on a coordinate plane is translated 5 units up and 3 units to the left. Which rule describes the translation?
O(x, y)
(x + 5, y-3)
O(x, y)
(x + 5, y + 3)
O(x, y) -
(x-3, y + 5)
O(x, y)
(x + 3, y + 5)
Sep 9
According to the translation rule, The translation of the rectangle is (x, y) → (x – 3, y + 5). Thus option C is correct.
According to the statement
We have to find that the translation rule.
So, For this purpose, we know that the
Translation is refers to the movement of a shape from one point to a different, without altering its appearance.
From the given information:
A rectangle on a coordinate plane is translated 5 units up and 3 units to the left.
With this in mind,
Once there's an upwards or downwards movement, there's a shift within the y coordinate
A move to the left or right movement, the x- coordinate is affected and moving left is negative
Hence,
y-coordinate is positive
x-coordinate is negative
Therefore, the rectangle translating 5 units up and three units to the left would be: (x, y) → (x – 3, y + 5)
So, According to the translation rule, The translation of the rectangle is (x, y) → (x – 3, y + 5). Thus option C is correct.
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Identify the hypothesis and conclusion of conditional statement.
If you have a driver's license, then you are at least 16 years old.
The hypothesis is the phrase following the word if = " The hypothesis is: You have a driver's license."
The conclusion is the phrase following the word then = " The conclusion is: You are at least 16 years old."
What is hypothesis?A specific, verifiable prediction of what the researcher(s) believe the study's results will be is known as a hypothesis (plural: hypothese). It is stated at the outset of the investigation.
Most often, this entails speculating on a potential correlation between two variables: the independent variable (what the researcher modifies) and the dependent variable (what the research measures).
The null hypothesis and the alternative hypothesis (known as the experimental hypothesis when the technique of examination is an experiment) are traditionally written as two separate forms of the hypothesis in research.
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The endpoints of AB are A (-8, 5) and B (0,7). Find the coordinates of the midpoint M.
The coordinates of the midpoint M are
The coordinates of the midpoint M are (-4,6)
Midpoint is the middle point of line segment. Measuring the distance between the two end points and divide the result by 2 this distance is known as midpoint of that line. Adding two end point of x and y and divide the sum by 2 we get coordinates of midpoint.
We can calculate the coordinates of midpoint by Midpoint formula
[tex]=\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}[/tex],
Endpoints of AB are A(-8,5) and B(0,7)
[tex](x_1,y_1)=(-8,5) and (y_1,y_2)=(0,7)[/tex]
Put the value of x and y in the above formula we get
[tex]=(\frac{-8+0}{2}),(\frac{5+7}{2}\\ =(\frac{-8}{2}),(\frac{12}{2})\\ =(-4,6)[/tex]
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Helen Mountain Tubing charges $25 for tube rental and $5 an hour to float down the river. Alpine Tubing charges $30 for tube rental and $2 an hour to float down the river. Create an equation to determine at what point the cost of both tubing companies is the same.
25x - 5 = 30x - 2
25x + 5 = 30x + 2
25 + 5x = 30 + 2x
25 - 5x = 30 + 2x
hi
As rental charges is contant and then price vary with time of location, then it's answer C
25 + 5x = 30 + 2x
What is the domain and use properties of continuity to support your answer
The domain of the function is x < 2 and it is discontinuous at x = 2
What is the domain of a function?The domain of a function is the range of input values to the function.
How to find the domain of the given function?Given that the above function f(x) = √[(x² + 1)/(2 - x)]
The domain of the function is the range of values of x that make the denominator greater than zero
So, the domain is √(2 - x) ≥ 0
2 - x ≥ 0
2 ≥ x
x ≤ 2
So, the function is valid for x < 2 and discontinuous at x = 2 since at x = 2, √(2 - x) = √(2 - 2) = 0
So, we see that the function is valid for x < 2 and discontinuous at x = 2
So, the domain of the function is x < 2 and it is discontinuous at x = 2
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Write the equation of the line through each point. Use slope-intercept form. (1,-1) ; parallel to y = (2/{5)x - 3
The equation of the line in slope-intercept form passing through the point (1 , -1) and parallel to y = (2/5)x - 3 is y = (2/5)x - 7/5.
The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.
The slope-intercept form of the equation of a line is given by the formula:
y = mx + b
where m is the slope of the line
b is the y- intercept
If the line is parallel to y = (2/5)x - 3, then their slopes are equal.
y = (2/5)x - 3 : m = 2/5
m = 2/5
Substitute the values of the slope and the point to solve for the y-intercept, b.
y = mx + b
-1 = 2/5(1) + b
b = -7/5
Write the equation of the line by plugging in the value of the slope and y-intercept.
y = mx + b
y = (2/5)x - 7/5
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Evaluate each function for the given value of x , and write the input x and output f(x) as an ordered pair.
f(x)=-9 x-2 for x=
f (7) = -65 is the output for the given input .
How can you tell whether a function is linear or not?
Looking at a function's graph will reveal if it is linear or not with the greatest ease.When a linear function is plotted on a graph, a straight line is formed. A nonlinear function is curved in some way; it does not form a straight line.f(x)= -9 x-2
Put x = 7 ⇒ - 9 * 7 - 2
⇒ -63 - 2
⇒ -65
Therefore f (7) = -65
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The complete question is -
Evaluate each function for the given value of x , and write the input x and output f(x) as an ordered pair.
f(x)=-9 x-2 for x= 7
pls who ever answers this question correctly i will give that person brainiest
1. what must be added to 649254 to make it equal to 97485
Answer:
-551,769
Step-by-step explanation:
We could just simply use subtraction:
97,485 - 649,254 = -551,769
Hope this helps!
Alejandro buys 4 bottles of pineapple juice at the corner store for a total cost of
$2.64. If each bottle costs the same amount, how much is 15 bottles of juice?
Answer:
$9.9
Step-by-step explanation:
4 = $2.64
15= ?
15 × $2.64 = 39.6
39.6 ÷ 4 = $9.9
Simplest radical form
(-2,3) and (6,-4).
The simplest radical form of (-2,3) and (6,-4). is √113
How to determine the simplest radical form?The points are given as:
(-2,3) and (6,-4).
The distance is calculated using
d = √(x2 - x1)^2 + (y2 - y1)^2
This gives
d = √(-2 - 6)^2 + (3 + 4)^2
Evaluate
d = √113
Hence, the simplest radical form of (-2,3) and (6,-4). is d = √113
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Find the first five terms of each sequence. aₙ=a n₋₁ +2 n , where a₁ = 1
The first five terms of the sequence are 1,4,7,9,11.
What is a sequence?A sequence is an enumerated group of items in mathematics where repetitions are permitted and order is important. It has members, just like a set does. The length of the sequence is determined by the number of items.
Given,
aₙ=a n₋₁ +2 n
For a1 = 1
a2 = 1 + 2.2 = 1 + 4 = 5
a3 = 1 + 2.3 = 1 + 6 = 7
a4 = 1 + 2.4 = 1 + 8 = 9
a5 = 1 + 2.5 = 1 + 10 = 11
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0n Monday the school library started the day with 12,765 books. During the day students checked out 398 books, and a certain number of books were returned. If the library ended the day with 12,479 books, how many books were returned?
Lets start with the basics. 12,765 books are in total. We need to take 398 from that. 12765 - 398 = 12367. That means x people returned the book to reach 12,479. 12,479 - 12367 = x. X = 112.
112
