If Ali took 6 pencils from a new box of pencils and there are 18 pencils left in the box, then there were 24 pencils in the brand new box.
To see why, you can add the number of pencils Ali took to the number of pencils left in the box:
6 + 18 = 24
Therefore, there were 24 pencils in the brand new box before Ali took 6 of them.
if the goal is to learn about how birth weight is related to mother's age, which of these two variables is the response variable and which is the predictor variable?
The response variable is the birth weight and the predictor variable is the mother's age.
The reason for this is that the goal is to understand how mother's age affects birth weight, rather than how birth weight affects mother's age. The predictor variable (mother's age) is the variable that is being used to explain or predict the response variable (birth weight).
In other words, we want to determine whether there is a relationship between mother's age and birth weight, and if so, what that relationship looks like. Therefore, mother's age is the independent variable or predictor, and birth weight is the dependent variable or response.
To learn more about variable here:
https://brainly.com/question/29583350
#SPJ4
can someone help me solve this?
Answer:
3/5 or 1.6666666667
pls mark me brainliest
Pete cuts 3 feet from a 7-foot length of rope. Then he cuts 18 inches from the rope. How many inches of rope are left? ASAP PLEASEE
Answer:
7 ft is 84 inches, 3ft is 36 inches
84 - 36 = 48
cuts off 18 more inches
48 - 18 = 30 inches of rope remain
Step-by-step explanation:
Cody's fence must have sides that are twice as long as the sides of his neigbore fence. His neigbors fence contains an area of 887.5 ft the length of the fence is
Answer: 59.58 ft
Step-by-step explanation:
Given
The area of the neighbor's fence is \(A=887.5\ ft^2\)
Suppose the length of the fence is L and the shape of the fenced area is square
So, we can write
\(\Rightarrow L^2=887.5\\\Rightarrow L=\sqrt{887.5}=29.79\ ft\)
According to the question, Cody's fence length must be twice of neighbor's
The length of Cody's fence is \(=2L=2\times 29.79=59.58\ ft\)
Can anyone help me with this geometry question please
The radius of the circle is approximately 22.9 meters when rounded to the nearest tenth.
How to Calculate Radius of a Circle with Given Arc Length?To find the radius of the circle, we need to use the formula:
arc length = radius x central angle (in radians)
Since the central angle is given in degrees, we need to convert it to radians by multiplying it by π/180.
First, let's convert the central angle:
258° x π/180 ≈ 4.5 radians
Now we can plug in the values into the formula and solve for the radius:
102.9 = r x 4.5
r = 102.9 / 4.5
r ≈ 22.9
Learn more about radius of the circle on:
https://brainly.com/question/29614115
#SPJ1
I dont know but y’all see what to do in the pic please help asap
Step-by-step explanation:
4, 4, 6, 7, 3, 5, 7, 5, 7, 3, 4, 2, 3, 2, 2, 7, 6, 5, 4, 2, 6.
Number. Frequency.2. 4
3. 3
4. 4
5. 3
6. 3
7. 4
= 21
Mean:Summation fx divided by x
21÷6
Ans. 3.5Median:Arrange all numbers accordingly from smallest to largest.
2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7.
Ans: 4Mode:Mode is basically the number with the highest frequency so,
Ans: 2, 4, 7. all appeared 4 times each they are the no's with the highest frequency.Range:Range is the Largest numbers minus the smallest number
Ans: 7-2=5
Sue has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area of the polygon. Be sure to show all your work and explain your answer. Six-sided polygon that includes two isosceles right triangles, one with height and base of 25 feet, the other height and base of 8 feet, and one rectangle measuring 35 feet by 8 feet.
Answer:
Step-by-step explanation:
700.5
I will mark brainliest if you can help with these and show work plus 40 points
Answer:
Step-by-step explanation:
Which itemsets (of any length) are frequent if you know that {ace} and {ad} are the only maximal frequent itemsets
Any item set that is a combo of {ace} and {ad} would also be frequent. In this case, the two item sets that would be frequent are {ace, ad} and {ad, ace}.
A maximal frequent itemset is an itemset that cannot be further extended by the addition of any item such that it remains frequent.
In other words, the frequencies of all subsets of a maximal frequent itemset are smaller than the frequency of the maximal itemset. In the context of this problem, {ace} and {ad} are both maximal frequent item sets.
So, any itemset that is a combo of {ace} and {ad} would also be frequent. In this case, the two item sets that would be frequent are {ace, ad} and {ad, ace}. These two item sets are of length 2 and are the only item sets that are frequent given the information passed.
Therefore, any item set that is a combo of {ace} and {ad} would also be frequent. In this case, the two item sets that would be frequent are {ace, ad} and {ad, ace}.
Learn more about the maximal frequency here:
https://brainly.com/question/32339368.
#SPJ4
A survey got 3,000 responses. The survey has 5 questions. How many total answers need to
be processed?
Answer:
600 I think
Step-by-step explanation:
3,000/5=600
Answer:
15,000 answers.
Step-by-step explanation:
Each response had to answer 5 questions.
3,000 responses had to answer 5 questions each.
The equation would be:
3,000 × 5
= 15,000
In a game of pool, a 0.4 kg cue ball is traveling at 0.80 m/s when it hits a slower striped ball moving at 0.38 m/s. after the collision, the striped ball moves off at 0.62 m/s. what is the magnitude of the final velocity of the cue ball? assume all pool balls have the same mass. 0.20 m/s 0.56 m/s 1.0 m/s 1.8 m/s
The magnitude of the final velocity of the cue ball is (B) 0.56m/s.
What is VelocityThe definition of velocity is a vector measurement of the rate and direction of motion.It is a moving body's speed and direction of motion.How to calculate the magnitude of the final velocity?
The magnitude of the final velocity can be calculated by following the steps:
The mass of the cue ball given is 0.4kg.The velocity of the cue ball given is +0.80m/s.The velocity of the striped ball before the collision is +0.38 m/s.The velocity of the striped ball after collision is +0.62m/s.We need to find the magnitude of the final velocity of the cue ball.Assuming all pool balls have the same mass: 0.4kg
Let the final velocity of the cue ball be x.
Now, To find the final velocity:
Mass of the cue ball × initial velocity of cue ball + Mass of striped ball + initial velocity of striped ball = mass of cue ball × final velocity + mass of striped ball × final velocity of the striped ball(0.40)×(0.80)+(0.4)(0.38) = (0.4)(x)+(0.4)(0.62)0.32+0.152=0.4x+0.2480.472=0.4x+0.2480.472-0.248= 0.4x0.224/0.4 =xx = 0.56m/sTherefore, the magnitude of the final velocity of the cue ball is (B) 0.56m/s.
Know more about velocity here:
https://brainly.com/question/25749514
#SPJ4
The correct question is given below:
In a game of pool, a 0.4 kg cue ball is traveling at +0.80 m/s when it hits a slower striped ball moving at +0.38 m/s. After the collision, the striped ball moves off at +0.62 m/s. What is the magnitude of the final velocity of the cue ball? Assume all pool balls have the same mass.
A. 0.20 m/s
B. 0.56 m/s
C. 1.0 m/s
D. 1.8 m/s
Answer: 0.56m/s
Step-by-step explanation:
dan pays £714.73 a year on his car insurance
the insurance company reduces the price by 4.1%
how much does the insurance cost now?
give your answer rounded to 2DP
Answer:
The Current Insurance cost = $685.43
Step-by-step explanation:
Given that Dan pays £714.73 a year on his car insurance.
Reduced Percentage = 4.1%
so
Reduced Amount = 4.1% × 714.73
= [4.1 / 100] × [714.73]
= 0.041 × 714.73
= $29.30
The current cost can be calculated by subtracting the reduced amount of 29.30 from 714.73.
so
Current Insurance cost = 714.73 - 29.30
= $685.43
Therefore, the Current Insurance cost = $685.43
if f (12) =4(12)-20 which function represents f(x)?
Answer:F(x)=4x-20
Step-by-step explanation:
The X on both sides is 12.
Answer:
The graph of f (x)=[x+2] after it is translated 4 units to the right
Pls explain the how you got the answer for me: On a random Monday in the spring, 95% of students are present at school. If there are 589 students present, then how many total students are enrolled answers: A. 620
B. 589
C. 58909
D. 560
Answer:
A
Step-by-step explanation:
.95* S = 589 where S is the # of students in the school
S = 589/.95= 620
heeeeeeeeeeeeelp me please))
Answer:
1.4
Step-by-step explanation:
enter it and lmk if it's right. it is right
I dont know what this is no links please
Answer:
Hamm i think si r or q mm sorry if it's wrong
Step-by-step explanation:
I think the answer would be q
.Section 1.5: Problem 12 (1 point) A function f(x) is said to have a jump discontinuity at x = a if: 1. lim x→a- f(x) exists. z-a 2. lim x→a+ f(x) exists. 2-10+ 3. The left and right limits are not equal. (x²+5x+4, if # < 4 Let f(x) = 22, if x = 4 -3x + 2, if z > 4 Show that f(x) has a jump discontinuity at x = 4 by calculating the limits from the left and right at = 4. lim f(x) lim f(x) = 2-4¹ Now for fun, try to graph f(x).
The function f(x) has a jump discontinuity at x = 4. Graph: parabola opening upwards, single point at (4, 22), straight line with negative slope.
How to calculate jump discontinuity?To determine if the function f(x) has a jump discontinuity at x = 4, we need to calculate the limits from the left and right of x = 4 and check if they exist and are not equal.
Left-hand limit (lim x→4-) of f(x):
As x approaches 4 from the left side, we use the first piecewise definition of f(x), which is x² + 5x + 4 when x < 4. So we substitute x = 4 into this expression:
lim x→4- f(x) = lim x→4- (x² + 5x + 4)
= (4)² + 5(4) + 4
= 16 + 20 + 4
= 40
Right-hand limit (lim x→4+) of f(x):
As x approaches 4 from the right side, we use the second piecewise definition of f(x), which is -3x + 2 when x > 4. So we substitute x = 4 into this expression:
lim x→4+ f(x) = lim x→4+ (-3x + 2)
= -3(4) + 2
= -12 + 2
= -10
The left-hand limit (lim x→4-) of f(x) is 40, and the right-hand limit (lim x→4+) of f(x) is -10. Since these two limits are not equal, we can conclude that f(x) has a jump discontinuity at x = 4.
Graph of f(x):
To graph f(x), we can plot the different segments based on their respective intervals:
For x < 4, the graph is given by f(x) = x² + 5x + 4, which is a parabola opening upwards. We can plot this segment of the graph.
For x = 4, the graph is given by f(x) = 22, which represents a single point on the y-axis at y = 22.
For x > 4, the graph is given by f(x) = -3x + 2, which is a straight line with a negative slope. We can plot this segment of the graph.
By combining these segments, we can create a graphical representation of f(x).
Learn more about jump discontinuity
brainly.com/question/12644479
#SPJ11
Can someone pleaseeee help and if you’re correct i’ll give brainliest
Answer:
can you copy and paste it on a question its kinda blurry for me
Step-by-step explanation:
Answer:
B / The Girl
Step-by-step explanation:
.
the mean of "n" numbers is "x" . if one more is added the mean is "y" . write an algebraic expression for the value of the number added?
Answer:
yn +y -xn
Step-by-step explanation:
Mean= sum of numbers ÷number of numbers
x= sum of n numbers ÷n
Multiply both sides by n:
xn= sum of n numbers
sum of n numbers= xn -----(1)
Let the number added be a.
After a has been added,
y= (sum of n numbers +a) ÷(n+1)
Multiply both sides by (n +1):
y(n +1)= sum of n numbers +a
sum of n numbers= y(n +1) -a -----(2)
Substitute (1) into (2):
xn= y(n +1) -a
Expand:
xn= yn +y -a
a= yn +y -xn
Let's check!
Let the numbers be 1, 2, 3 and 4.
mean, x= 10 ÷4= 2.5
n= 4
Let the new number added, a, be 7.
a= 7
mean, y= 17 ÷5= 3.4
a= yn +y -xn
a= 3.4(4) +3.4 -2.5(4)
a= 7
Thus, the expression is true.
In order to select new board members, the French club held an election. 20% of the 40 members of the club voted. How many members voted?
The number of members is an illustration of proportions, and there are 200 members in the club
How to determine the members that vote?The given parameters are:
French = 20%
French = 40
Let the number of members be x.
So, we have:
20% * x= 40
Divide both sides by 20%
x = 200
Hence, there are 200 members in the club
Read more about proportions at:
https://brainly.com/question/1781657
#SPJ1
a bag of chocolates is labeled to contain 0.384 pounds of chocolate. the actual weight of the chocolates is 0.3798 pounds. how much lighter is the actual weight?
The actual weight is 0.0042 pounds lighter than the labeled weight.
The actual weight of the chocolates is 0.3798 pounds, while the label on the bag states it should weigh 0.384 pounds. To determine how much lighter the actual weight is, we can calculate the difference between the two weights.
Subtracting the actual weight from the labeled weight, we get:
0.384 pounds - 0.3798 pounds = 0.0042 pounds.
Therefore, the actual weight is 0.0042 pounds lighter than the labeled weight.
It's important to note that this difference may seem small, but it can be significant depending on the context. Accuracy in labeling is crucial for various reasons, such as complying with regulations, providing precise information to consumers, and ensuring fair trade practices. Even minor discrepancies can impact trust and customer satisfaction.
For more information on actual weight visit: brainly.com/question/31170036
#SPJ11
Work out the circumference of of a circle with a radius of 6mm. Give you answer in pie
Answer:
12 pi mm
Step-by-step explanation:
formula : circumfrence = 2 pi r
so pi * 2*6 mm = 12 pi mm
Solve the two-step equation. 14 = 31. 7 – 3x What is the solution? x =.
Answer:
-10
Step-by-step explanation:
yea i just did a test
What is the value of the expression below when z=6z=6 and w=7w=7?
8z+7w
8z + 7w; z = 6; w = 7
8z + 7w
=(8x6) + (7x7)
=48 + 49
=97
The answer is 97.
Answer:
97
Step-by-step explanation:
BIG BRAIN
8 feet in 15 seconds;16 feet in how many seconds
Answer: 30 seconds.
Step-by-step explanation: Since 1 foot is 1.875 (divide both sides by 8 to get 8/8=1 and 15/8=1.875), you would multiply 1.875 by 16 which would get you 30 seconds. Hope this helped and have a great day!
Answer:
30 seconds
Step-by-step Explanation:
two wires lie perpendicular to the plane of the paper
a. The resultant magnetic field at point P due to currents in the two wires can be determined by vector addition of the individual magnetic fields.
b. Reversing the direction of currents in both wires would result in a reversed direction of the resultant magnetic field at point P.
a. To construct the vector diagram showing the direction of the resultant magnetic field at point P due to currents in the two wires, we can use the right-hand rule for determining the magnetic field direction around a wire carrying current.
For Wire 1, which has the current coming towards us (out of the plane of the paper), the magnetic field direction can be determined by wrapping the right-hand fingers around the wire in the direction of the current, and the thumb will point in the direction of the magnetic field. Let's say the direction of the magnetic field for Wire 1 is from left to right.
For Wire 2, which has the current going into the plane of the paper, we apply the right-hand rule again. Wrapping the right-hand fingers around the wire in the direction opposite to the current, the thumb will point in the direction of the magnetic field. Let's say the direction of the magnetic field for Wire 2 is from right to left.
At point P, which is equidistant from the two wires, the magnetic fields due to the currents in the wires will combine. The resultant magnetic field direction at point P can be found by vector addition. Drawing the vectors representing the magnetic fields for Wire 1 and Wire 2, with opposite directions, we can add them head-to-tail. The resultant vector will show the direction of the resultant magnetic field at point P.
b. If the currents in both wires were instead directed into the plane of the page (such that the current moved away from us), the directions of the magnetic fields due to the currents in the wires would be reversed compared to the previous case.
For Wire 1, the magnetic field direction would be from right to left, and for Wire 2, it would be from left to right. Following the same process as in part a, we would draw the vectors representing the magnetic fields for Wire 1 and Wire 2 in their respective reversed directions. Adding them head-to-tail would give us the resultant vector indicating the direction of the resultant magnetic field at point P in this scenario.
Complete Question:
Two wires lie perpendicular to the plane of the paper, and equal electric currents pass through the paper in the directions shown. Point P is equidistant from the two wires.
a. Construct a vector diagram showing the direction of the resultant magnetic field at point P due to currents in these two wires. Explain your reasoning.
b. If the currents in both wires were instead directed into the plane of the page (such that the current moved away from us), show the resultant magnetic field at point P.
To know more about magnetic field, refer here:
https://brainly.com/question/14848188
#SPJ4
factor the polynomial t 3 1 into irreducibles, modulo 7.
To factor the polynomial t³ + 1 into irreducibles modulo 7, we rewrite it as (t+1)(t²-t+1), which are irreducible factors.
To factor the polynomial t³ + 1 modulo 7, follow these steps:
1. Rewrite the polynomial as t³ + 1 ≡ (t+1)(t²-t+1) (mod 7).
2. Check if the factors can be further factored. For (t+1), there is no linear factor that divides it evenly, so it's irreducible.
3. For the quadratic factor (t²-t+1), use the quadratic formula to check for roots. The discriminant is Δ = (-1)² - 4(1)(1) = -3. Since -3 is not a quadratic residue modulo 7, the quadratic factor has no roots and is also irreducible.
4. The irreducible factors of the polynomial t³ + 1 modulo 7 are (t+1) and (t²-t+1).
To know more about quadratic formula click on below link:
https://brainly.com/question/9300679#
#SPJ11
The owner of the Rancho Grande has 3,044 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions (in yd) of the largest area he can enclose? shorter side? longer side? what is the area?
Answer:
Step-by-step explanation:
Area of the rectangular piece A = xy
x is the length
y is the width
Perimeter =2x+2y
Given
Perimeter = 3044yds
3044 = 2x+2y
1522 = x+y
x = 1522-y
Substitute into the formula for area
A = xy
A = (1522-y)y
A = 1522y-y²
To maximize the area, dA/dy must be zero
dA/dy = 1522-2y
0 = 1522-2y
2y = 1522
y = 1522/2
y = 761
Since x+y = 1522
X+761 = 1522
X = 761
Dimension is 761yd by 761yd
Area = 761×761 = 579121yd²
Find a polynomial f(x) of degree 3 that has the following zeros. 8 ( multiplicity 2) , -4
Polynomial is an expression that consists of indeterminates(variable) and coefficient. The polynomial f(x) is x³-12x²+256=0.
What are polynomial?
Polynomial is an expression that consists of indeterminates(variable) and coefficient, it involves mathematical operations such as addition, subtraction, multiplication, etc, and non-negative integer exponentials.
As the zeros of the polynomial are 8(multiplicity 2), -4. Therefore, the factors of the polynomial can be written as,
\(x = 8\\x-8=0\)
\(x =-4\\x+4=0\)
Now, the polynomial f(x) which is a third-degree polynomial can be written as,
\((x-8)(x-8)(x+4)=0\\\\(x-8)^2(x+4)=0\\\\(x^2-16x+64)(x+4)=0\\\\x^3-16x^2+64x+4x^2-64x+256 = 0\\\\x^3-12x^2+256=0\)
Hence, the polynomial f(x) is x³-12x²+256=0.
Learn more about Polynomial:
https://brainly.com/question/17822016
#SPJ1
If I can do a job in 1 and a half hours, and my friend can do the same job in 2 hours, how long will it take us working together?
Answer:
1 1/2 hours i think
Step-by-step explanation: