Answer:
[tex]\huge\boxed{\sf \$ \ 8.79\ per\ hour}[/tex]
Step-by-step explanation:
Given that:Work hours = 2:00 pm - 11:00 pm
This makes a total of 9 work hours.So,
9 hours = $79.11
Rate of pay per hour:Using unitary method
9 hours = $79.11
Divide both sides by 9
1 hour = $79.11/9
1 hour = $8.79
So, Kenya is being paid $8.79 per hour.
[tex]\rule[225]{225}{2}[/tex]
Which expression is not a polynomial?
A. 4-3x+ 5x6
B. x²-x-12
X+3
C. 5x2 + 4x+1
D. 8x¹0+2x+5
Option b) [tex]x^{2} -x-\sqrt{x} +3[/tex] is not a polynomial
Polynomial equation is equation of dependent variables which is related to the independent variable.
since, the equation ,[tex]x^{2} -x-\sqrt{x} +3[/tex] contains the square root of variable that's why its not a polynomial.
Thus, Option b) [tex]x^{2} -x-\sqrt{x} +3[/tex] is not a polynomial
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Fawzia took a taxi from her house to the airport. The taxi company charged a pick-up
fee of $2.60 plus $1.50 per mile. The total fare was $17.60, not including the tip. How
many miles was the taxi ride?
Answer:
9.375 miles
Step-by-step explanation:
1) Let's set up an equation.
2.60 + 1.50x = 17.60
1.50x = 17.60 - 2.60
1.60x = 15
x = 15/1.60
x = 9.375
HELP
Given S(0, -5), T(-6,0), U(-3,1),
and V (-9, y). Find y such that
ST lI UV.
Answer: 6
Step-by-step explanation:
The slope of ST is
[tex]\frac{-5-0}{0-(-6)}=-\frac{5}{6}[/tex]
The slope of UV is
[tex]\frac{y-1}{-9-(-3)}=\frac{y-1}{-6}[/tex]
Since parallel segments have the same slope,
[tex]-\frac{5}{6}=-\frac{y-1}{6}\\\\5=y-1\\\\y=6[/tex]
Who is the Father of Algebra ?
Answer:
Al- khwarizmiStep-by-step explanation:
that is my
Answer:
Muhammad ibn Musa al-Khwarizmi
محمد بن موسی خوارزمی
Can someone help me out on matching these angles? ASAP, gotta have answers fast pls
Answer:
8. a , c
9. b
10. c
The vehicle preference of police officers and firefighters is given in the table. Based on the information in the table, which or the following is an example of independent events
Answer:
Step-by-step explanation:
I had this exact question and I figured it out.
the answer is: P(police officer and chooses car)
In order to get this answer I did the P(police officer) X P(choosing car)
It ended up being 36/45 X 15/45. Which is equal to around .2666667.
Now you take the Intersection of police officer and chooses car and you divide it by 45. That value on the chart is 12.
lucky enough, the product of 36/45 and 15/45 is equal to 12/45.
So 0.8 X 0.33 = .26
.26 = .26
Answer:
answer is P(police officer and chooses car)
Step-by-step explanation:
the probability of P(policer officer) and P(choose a car) are independent probabilities ( they are not overlapping probabilities)
Suppose it is known that the individual lost more than 12 pounds in a month. Find the probability that he lost less than 19 pounds in the month.
The probability that he lost less than 19 pounds is 7 / 9.
According to statement
The weight loss by individual is 12 Pounds
So, by uniform distribution probability
P(c ≤ x ≤ d) = (d - c) / (b - a)
Substitute the values in it then
P(12 ≤ x ≤ 19) = (19 - 12) / (20 - 11)
P(12 ≤ x ≤ 19) = 7 / 9
So, the probability that he lost less than 19 pounds is 7 / 9.
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a(x + 1) - b(x + 1) - x - 1
Answer:
Step-by-step explanation:
Solution
I'm assuming you want this simplified. If not leave a note.
a(x + 1) - b(x + 1) - x - 1 remove the brackets
ax + a - bx - b - x - 1 gather like terms
ax - bx - x + a - b - 1
x(a - b - 1) + (a - b - 1) Use the distributive property to simplify
Answer
(x + 1)(a - b - 1)
The common factor is (a - b - 1). That can be pulled out on either side of the isolated + sign
Find the probability. If 81% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will all take place
The probability that 3 separate flights will all take place is 0.531441
let A = event of scheduled flight actually take place
According to the question, P(A)=0.81
Given that 3 separate flights will all take place is an independent event.
Hence, we can use the multiplicative rule which says If the probability that one given flight takes place is 0.81 then the probability of 3 flights taking place is:
P(A∩B∩C) = P(A)*P(B)*P(C)
= 0.81*0.81*0.81
= 0.531441
so, the Probability that 3 separate flights will take place is 0.531441
The formula used for independent events:
P(A∩B∩C) = P(A)*P(B)*P(C)
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1.) Find the distance between F( 5, - 2 ) and A( -1, 4)
Answer:
8.49 units
Step-by-step explanation:
1. The distance formula is: [tex]\sqrt{(x2-x1)^{2} +(y2-y1)^{2} }[/tex]
2. Let's plug in the numbers: [tex]\sqrt{(-1-5)^{2} +(4--2)^{2} }[/tex]
3. [tex]\sqrt{(-6)^{2} +(6)^{2} }[/tex]
4. [tex]\sqrt{36 + 36}[/tex]
5. [tex]\sqrt{72}[/tex] ≈ 8.485
Which phrase best describes the translation from the graph y = (x + 2)2 to the graph of y = x2 + 3?
The parent. function shifted down by 2 units to produce x² and to the right by 3 units to produce y = x^2 + 3
What is translation?This is a way of changing the position of an object on an xy-plane.
Given the parent function expressed as y = (x + 2^)2
From the resulting image after translation, we can see that the parent. function shifted down by 2 units to produce x² and to the right by 3 units to produce y = x^2 + 3
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2 people can paint a fence in one hour. how long would it take 10 people. give your answer in minuets
Step-by-step explanation:
no of people=2
time taken=1/60mins
no of people=10
time taken=1/x
2=1/60
10=1/x
x=12mins
2c+2b in standard from
Answer:
2c+2b
Step-by-step explanation:
this is because standard form only applies to no. from 10 and above , furthermore, they are unlike terms
Need help now.
Someone please.
Answer:
$1,075
Step-by-step explanation:
Simple Intereat Formula:
A = P(1+rt)
where A is the final amount,
P is the principal(original amount invested)
r = annual interest rate
t = time in years
Given P = 1000
r = 2.5/100
t = 3 (Beginning of 4th year means the 4th year is not counted)
A = 1000(1+(0.025)(3))
= 1000(1.075)
=$1,075
Given the following rectangle and circle, what appropriate value of x are the two areas equal? A: x= 3.4 B: x=5.8 C: x= 10.2 D: the curves do not intersect, so there is no solution
The correct option is D:
the curves do not intersect, so there is no solution
For what values of x are the two areas equal?
The area of the rectangle is given by:
f(x) = (x + 7)*(5x - 3)
f(x) = 5x² -3x + 35x - 21
f(x) = 5x² + 32x - 21
For the circle, the area is:
g(x) = 2*pi*(x + 6)^2
g(x) = 2pi*x^2 + 12pi*x + 72pi
The solution is given g(x) = f(x).
By graphing both functions (the green curve is the area of the rectangle, the orange one is the area of the circle). The two curves never do intercept, so the correct option is D.
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Which expression can be used to determine the volume of water in a rain barrel after days if there were 179.2 gallons of water in the barrel and 10.6 gallons are used each day?
The required expression is given by 179.2 - 10.6d.
There were 179.2 gallons of water in the barrel and 10.6 gallons are used each day
Volume, is defined as the ratio of the mass of object to its density.
the volume of water in a rain barrel after "d"days
When there were 179.2 gallons of water in the barrel and 10.6 gallons are used each day.
since the amount of water is getting consumed day by day
therefore, the expression can be given as
= 179.2 - 10.6d
Thus, the required expression is 179.2 - 10.6d.
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A uniform rod of length 8 m has 20kg. What is the mass per meter.?
Answer:2.5 kg per meter
Step-by-step explanation:since the rod is uniform i simply divided the weight of the rod(20kg), by the length of the rod(8m). 20kg/8m = 2.5kg/m
PROBLABILITY!!!
(I added the picture needed)
1.Create a sample space and find the product of each combination. What is the probability that a person wins the game? Express your answer as a fraction in lowest terms and as a percent rounded to the nearest tenth.
(answer to this one is 9/28 and 32.1%)
2. You realize a short time into the carnival that you don’t have enough prizes to last the entire event. You call your teacher, and she suggests that you change the winning number so that a participant will win only 25% of the time. What number will that be? Support your answer.
3. Participants achieving a winning score of 36 or higher in four consecutive attempts will receive a large prize! What is the probability of this occurring?
4. After changing the game rules, participants and the crowd are disappointed when the first five games yield scores of 12, 18, 30, 28, and 24. What statement can you recommend the teacher posts to reassure everyone that the game is fair?
Based on the game rules of randomly picking a card and multiplying it by the roll from a number cube, the following are true:
Probability is 3/8 or 37.5%.To win 25% of the time, player needs to get 32 or higher. Probability of a score of 36 or higher in 4 attempts is 1/1,1296.Teacher should remind everyone that all numbers except only 24 and 30 can appear equally.How can the data be represented?There are 6 sides to dice and 4 cards. The sample space is:
Dice Card Product
1 5 5
1 6 6
1 7 7
1 8 8
2 5 10
2 6 12
2 7 14
2 8 16
3 5 15
3 6 18
3 7 21
3 8 24
4 5 20
4 6 24
4 7 28
4 8 32
5 5 25
5 6 30
5 7 35
5 8 40
6 5 30
6 6 36
6 7 42
6 8 48
Frequency table
Product Frequency
5 1
6 1
7 1
8 1
10 1
12 1
14 1
16 1
15 1
18 1
21 1
24 2
20 1
28 1
30 2
32 1
25 1
35 1
40 1
36 1
42 1
48 1
Total 24
The frequency table shows that to get 28 or more, a person will have a relative frequency of:
= 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1
= 9
Probability is:
= 9 / 24
= 3/8
= 37.5%
What product does a player need to win 25% of the time?The number of products required to win 25% of the time is:
= 25% x 24
= 6
To find the winning number, count down from the highest product 6 times to get 32.
How can the larger prize be won?The probability of getting 36 or higher is:
= ∑(Probabability of picking 36 and above numbers)
= 1 / 24 + 1/24 + 1/24 + 1/24
= 1 / 6
The probability of repeating this 4 times is:
= 1 / 6 x 1 / 6 x 1/ 6 x 1 / 6
= 1 / 1,296
= 0.0007716
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If 1600 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box.
The largest possible volume of the box is 6158.394 cm^3.
Define the dimensions of the box to be L, W, and H.
Square base, L = W
Area: A = L^2 * H
Surface Area (Base + Area of 4 sides):
1600 = L^2 + 4 (L*H) ⇒ H = (1600 - L^2) / (4L)
Area: A = 400L - (1/4)L^3
Maximum (Derivative) A' = 400 - (3/4)L^2
Solving for 0
0 = 400 - (3/4)L^2
L^2 ⇒ (40 * SQRT(3)) / 3 = 23.094 (Maximum)
Solving for dimensions, known L=23.094
L = 23.094 cm
W = 23.094 cm
H ⇒ (1600 - L^2) / (4L) = (20 * SQRT(3) / 3) = 11.547 cm
Volume ⇒ L*W*H = 6158.394 cm^3
To locate the most viable extent, add the greatest viable mistakes to every dimension, then multiply. To find the minimum viable volume, subtract the greatest feasible mistakes from each measurement, then multiply.
Volume is a scalar amount expressing the amount of 3-dimensional area enclosed by a closed surface. For example, the gap that a substance or 3-D shape occupies or consists of.
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Help me pls it is geomerty traingle proof
and here the question
Given: NQ¯¯¯¯¯¯¯¯ is the bisector of ∠MNP and ∠NMQ≅∠NPQ
Prove: △MNQ≅△PNQ
△MNQ ≅ △PNQ by SAS congruence theorem.
What is the SAS Congruence Theorem?If two triangles are congruent by the SAS congruence theorem, then they have two pairs of corresponding congruent sides and a pair of corresponding included sides that are congruent.
∠MNQ ≅ ∠PNQ [congruent angles formed by angle bisector]
Therefore, opposite sides to the angles, MQ and PQ would also be congruent.
Thus, MQ ≅ PQ
NQ ≅ NQ [reflexive property]
This means that both triangles have two pairs of corresponding congruent sides and a pair of corresponding included sides that are congruent.
Thus, △MNQ ≅ △PNQ by SAS congruence theorem.
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evaluate x+2x+1/x^2-25
The evaluation of the algebraic fraction x+2x+1/x^2-25 is[tex]\mathbf{\implies -\dfrac{3}{5(x+5)} +\dfrac{18}{5(x-5)}}[/tex]
What is the division of algebraic expression?The division of an algebraic expression can be carried out by using the long division method or expansion of the.
Given that:
[tex]\mathbf{\dfrac{x+2x+21}{x^2-25}}[/tex]
where:
x^2 - 25 is the divisor.By expanding the denominator, we have:
[tex]\mathbf{\dfrac{x+2x+21}{(x+5)(x-5)}}[/tex]
[tex]\mathbf{\dfrac{3x+21}{(x+5)(x-5)}}[/tex]
Creating a partial fraction from the denominator, we have:
[tex]\mathbf{\dfrac{3x+21}{(x+5)(x-5)} = \dfrac{a_o}{x+5} +\dfrac{a_1}{x-5}}[/tex]
Multiply the equation by the denominator, and we have:
[tex]\mathbf{\dfrac{(3x+21)(x+5)+(x-5)}{(x+5)(x-5)} = \dfrac{a_o(x+5)(x-5)}{x+5} +\dfrac{a_1(x+5)(x-5)}{x-5}}[/tex]
Simplifying, we have:
3x + 21 = a₀(x-5)+a₁(x+5)
Solve for the unknown parameter by plugging the real roots of the denominator: -5, 5
[tex]\mathbf{a_o =\dfrac{-3}{5}}[/tex]
[tex]\mathbf{a_1 =\dfrac{18}{5}}[/tex]
Replacing the solutions into the partial fractions parameters to obtain the final result, we have:
[tex]\mathbf{\dfrac{-(\dfrac{3}{5})}{x+5} +\dfrac{\dfrac{18}{5}}{x-5}}[/tex]
[tex]\mathbf{\implies -\dfrac{3}{5(x+5)} +\dfrac{18}{5(x-5)}}[/tex]
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URGENT CAN SOMEBODY PLEASE ANSWER THESE 2 QUESTIONS
Answer:
A: y=2x+4
B. 34° Celsius
Step-by-step explanation:
A:
Since the temperature goes up at a steady rate of 2 degres per minute, we can assume that 2 is our slope. Since the graph shows us that 4 is the y-intercept, we can substitute both the slope and y-intercept into the equation of a line, or y=mx+b. (m is our slope and b is our y-intercept.)
Doing so gives you:
[tex]y = 2x + 4[/tex]
B.
Using the above formula (y=2x+4), we can substitute x with 15 (since x is the minutes that pass).
Doing so gives you y=30+4, the sum of which is 34.
Therefore, the answer should be 34° Celsius.
At a certain zoo, the average mass of one blue whale is measured to be 1.9 × 105
kilograms. Use scientific notation to express the mass of 140 blue whales.
Answer:
2.7930 × [tex]10^{4}[/tex]
Step-by-step explanation:
1.9 × 105 × 140 = 27,930
Scientific notation: 2.7930 × [tex]10^{4}[/tex]
Solve the inequality.
-2x + 8 < 14
and -3x - 9 ≥ -12
x>?
and
x≤
Answer:
x > -3 and x ≤ 1
Step-by-step explanation:
[First inequality]
Given:
-2x + 8 < 14
Subtract 8 from both sides:
-2x < -6
Divide both sides by -2, since it's negative we also flip the sign:
x > 3
[Second inequality]
Given:
-3x - 9 ≥ -12
Add 9 to both sides:
-3x ≥ -3
Divide both sides by -3, since it's a negative we also flip the sign:
x ≤ 1
A rectangular prism has a square base with a width of 6 and a volume of 360 cm3. If a square pyramid has a base with the same width and height, what is the volume of the pyramid?
Find the measure of x.
X
56.76°
56.76
x = [?]
Round to the nearest hundredth.
Jenny’s family is traveling on a long road trip. The first day they traveled 11,405.59 yards. On the second day they traveled 12,048.82 yards. On the third day they traveled 9,014 yards. How many yards did they travel during the 3 day road trip?
Answer:
32468.41 yards
Step-by-step explanation:
11,405.59 + 12,048.82 + 9,014 = 32468.41
32468.41 yards
Please help with these 3 questions! Will give brainliest and 25 points.
a. I and II only true statement.
b . ∠3 = 84°
c . m∠KJM = 138° and m∠KLM = 59°
Properties of an Isosceles trapeziumOnly one pair of sides are parallelThe diagonals are equal in measure.The opposite angles are supplementaryThe base angles are equal in measure.Therefore, i and ii are true for an isosceles trapezium.
∠2 ≅ ∠3
∠1 ≅ 96°
Therefore,
∠3 = 180 - 96
∠3 = 84°
m∠KJM = 180 - x - 14
5x - 2 = 180 - x - 14
5x - 2 = 180 - x - 14
5x + x = 180 - 14 + 2
6x = 168
x = 168 /6
x = 28
m∠KJM = 5(28) - 2 = 138°
m∠KLM = 180 - 10y + 29
3y + 14 = 180 - 10y + 29
3y + 10y = 180 + 29 - 14
13y = 195
y = 195 / 13
y = 15
m∠KLM = 3(15) + 14
m∠KLM = 45 + 14
m∠KLM = 59°
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To conduct a survey on current social work majors, a researcher gets a list of all students who have declared a social work major from the registrar from which a sample will be drawn. This list is known as a (n):
The list is known as the sampling frame.
To conduct a survey on current social work majors, a researcher gets a list of all students who have declared a social work major from the registrar from which a sample will be drawn.
This list is known as a sampling frame.
The sampling frame is the list from which units are drawn for the sample.
Hence, the list is known as the sampling frame.
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If sin theta = 3/4 and is in the first quadrant, then cos theta
Answer:
[tex]\frac{\sqrt{7} }{4}[/tex]
Step-by-step explanation:
since sin theta = 3/4, opposite length = 3 units and hypotenuse length = 4 units
by pythagoras' theorem, adjacent length = [tex]\sqrt{7}[/tex]
thus cos theta = adjacent/hypotenuse = [tex]\frac{\sqrt{7} }{4}[/tex]