what is the simplified form of the following expression? sqrt 1/144
Worker A earns $8.10 per widget produced, produces 10 widgets per day, and works 9 hours per day. Worker B earns $8.40 per widget produced, produces 8 widgets per day, and works 7 hours per day. Which of these statements is true?
A. Worker B earns more per day than worker A but less per hour than worker A.
B. Worker A earns more per day than worker B but less per hour than worker B.
C. Worker A earns more per day than worker B and more per hour than worker B.
D. Worker B earns more per day than worker A and more per hour than worker A.
By calculating the total earnings per day and earnings per hour for Worker A and Worker B, we deduce that Worker A earns more per day than Worker B but earns less per hour than Worker B.
Explanation:To answer this question, we first need to calculate the total earnings per day and then the earnings per hour for both Worker A and Worker B.
For Worker A, the total earnings per day can be calculated as: 10 widgets/day * $8.10/widget = $81/day. For Worker B, the total earnings per day can be calculated as: 8 widgets/day * $8.40/widget = $67.20/day.
Therefore, we can see that Worker A earns more per day than Worker B.
Next, we calculate the earnings per hour. For Worker A, the earnings per hour amount to: $81/day ÷ 9 hours/day = $9/hour. For Worker B, the earnings per hour amount to: $67.20/day ÷ 7 hours/day = $9.60/hour.
Thus, Worker B earns more per hour than Worker A.
Given the calculations, the correct statement is B. Worker A earns more per day than Worker B but less per hour than Worker B.
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How would you use a model to determine the approximate formula for the circumference of a circle with a diameter of 8 cm, and connect the model to the actual formula?
Answer with explanation:
Take a thread of length x cm.Convert it into circle of radius r cm.
If you divide the Length of circle by value equal to 2 π, you will obtain radius of the circle.The value 2π is a constant Quantity is an Irrational number.
[tex]\rightarrow \frac{\text{Length of thread}}{2 \pi}=r\\\\ \rightarrow \frac{x}{2 \pi}=r\\\\ \rightarrow x=2 \pi r[/tex]
Diameter of Circle =8 cm
Circumference of a circle with a diameter of 8 cm has radius equal to 4 cm because radius is half of diameter
=2 × 3.14 × 4 cm
= 25.12 cm
⇒So, Actual Length of thread =25.12 cm
Irrational Quantity=2 π=2×3.14=6.28 cm
So Radius
[tex]=\frac{25.12}{6.28}\\\\=4 cm[/tex]
Diameter =Radius × 2
=4 cm × 2
= 8 cm
NEED HELP WITH MY MATH
Can you check my work please?
Celia is staring at the clock waiting for school to end so that she can go to track practice. She notices that the 4-inch-long minute hand is rotating around the clock and marking off time like degrees on a unit circle.
Part 1: How many radians does the minute hand move from 1:25 to 1:50? (Hint: Find the number of degrees per minute first.)
My Answer: Part one:
(360degrees/60minutes = 6 degrees per minute.)
1:25 to 1:50 is 25 minutes. 25 x 6 = 150.
150pi/180 = 5pi/6,
If the √4 is 2, what is 89²?
Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 4−x and y = 2−x+1 intersect are the solutions of the equation 4−x = 2−x+1. (4 points) Part B: Make tables to find the solution to 4−x = 2−x+1. Take the integer values of x between −2 and 2. (4 points) Part C: How can you solve the equation 4−x = 2−x+1 graphically? (2 points)
**** IS MY ANSWER CORRECT? ***Suppose you push your physics book against a wall hard enough to keep it from moving. Does the friction force on the book point (a) into the wall, (b) out of the wall, (c) up, (d) down, or (e) is there no friction force? Explain.
What is the perimeter of rectangle EFGH?
+ units
+ units
22 units
39 units
Answer:
B. 2√10 + 2√29 units
The beginning balance in the computers account was $2000.the company purchased an additional $1000 worth of computers.the balance in the account is a ?
A. Credit of $2000
B. Debit of $2000
C. Credit of $3000
D. Debit of $3000
I need the answer ASAP!!!!!!!
What is the missing constant term in the perfect square that starts with x^2−4x
Can anyone help me on this problem, I have been stuck on it for a while now.
1. Simplify the product.
7x (x+4)
A) 7x^2 + 4
B) 7x^2 + 28x
C) 8x + 4
D) 8x + 11,
The simplified product is 7x² + 28x.
Option B is the correct answer.
We have,
To simplify the product 7 x (x + 4), we need to distribute the 7x to both terms inside the parentheses.
The distributive property states that for any numbers a, b, and c,
a x (b + c) = a x b + a x c.
Applying this property to the given expression, we have:
(7x) x (x) + (7x) x 4
Multiplying 7x by x gives us 7x², and multiplying 7x by 4 gives us 28x.
So the simplified expression becomes:
7x² + 28x
Therefore,
The simplified product is 7x² + 28x.
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can someone check these questions?
Please help !! I fan and medal!!
1.)rewrite the following expression using the distributive property.
5(2x-8)
A.)-30x
B.)10x-40
C.)10x+40
D.)10x-8
2.)simplify the following expression:
-16-18/2+25/5+1. ( the -16 and -18 are both on top of the 2 it's a fraction)
A.)-18
B.)6
C.)10
D.)-6
Explain what defines direct variation. Then, check which of the following tables include directly proportional quantities x and y x 1 2 3 4 y 7 14 21 28
Use a calculator to evaluate cot 3.14/5
What is the trigonometric ratio for sin C ?
Enter your answer, as a simplified fraction.
What is the definition of asymptote?
What is the facts or characteristics of asymptote?
What is some examples of asymptote?
What is some non-examples of asymptote?
An asymptote is a line that approaches a curve indefinitely without intersecting it at any finite point. Examples include the line y = 0 for the function y = 1/x, whereas a non-example would be the intersecting line y = x with a parabola y = x^2.
Explanation:An asymptote is a line that a curve approaches as it heads towards infinity, but never actually reaches.
There are several characteristics of an asymptote that are notable. First, the distance between the curve and the asymptote approaches zero as one moves along the curve towards infinity. However, the curve will never intersect the asymptote at any finite point. There are two main types of asymptotes: vertical and horizontal.
An example of an asymptote is the line y = 0, which is a horizontal asymptote for the function y = 1/x as x approaches infinity.
A common non-example of an asymptote is any line or curve that intersects a graph at a finite number of points, such as the line y = x when compared with a parabola y = x2.
two vertical cliffs are on opposite sides of a 90 foot wide river. From point A at the top of the shorter cliff, the angle of elevation of the top of the other cliff(b) is 28 degress and the angle of depression to the bottom is 38 degress.find the height of each cliff ,to the nearest foot
Final Answer:
The height of the shorter cliff is 70 feet and the height of the taller cliff is 118 feet.
Explanation:
To find the height of each cliff, we will use trigonometry. Specifically, we will use the tangent function, which is the ratio of the opposite side to the adjacent side of a right-angled triangle.
First, let's consider the shorter cliff (point A). We know the angle of depression from A to the bottom of the river is 38 degrees. If we imagine a horizontal line at the height of point A, we can create a right-angled triangle with one angle at the bottom of the river, the vertical side as the height of the cliff, the horizontal side as the width of the river, and the angle of depression at point A.
Using the tangent of the angle of depression, we can set up the following equation to find the height of the shorter cliff (which we will call hA):
tan(38 degrees) = height_shorter_cliff / width_river
Solving for the height of the shorter cliff, we get:
height_shorter_cliff = width_river * tan(38 degrees)
Using a calculator or trigonometry tables, we find that the height of the shorter cliff is approximately 70 feet.
Next, let's consider the taller cliff (point B). The angle of elevation from A to B is given as 28 degrees. Now we can imagine another right-angled triangle, this time with one angle at point A, the vertical side as the difference in height between cliffs A and B, the horizontal side as the width of the river, and the angle of elevation at point A.
Using the tangent of the angle of elevation, we can set up an equation to find the height difference between cliffs A and B (which we will call hB - hA):
tan(28 degrees) = (height_taller_cliff - height_shorter_cliff) / width_river
We can rearrange this to solve for the height of the taller cliff:
height_taller_cliff = width_river * tan(28 degrees) + height_shorter_cliff
Now, using our previous result for the height of the shorter cliff (70 feet), we plug it into our equation:
height_taller_cliff = 90 * tan(28 degrees) + 70
Using a calculator or trigonometry tables to evaluate tan(28 degrees), we find that the height of the taller cliff is approximately 118 feet.
Therefore, to the nearest foot, the height of the shorter cliff is 70 feet and the height of the taller cliff is 118 feet.
suppose you can factor x^2 +bx +c as (x+p)(x+q) . If c<0, what could be the possible values of p and q?
A: p= -3, q= 7
B: p= 11, q= 4
C: p= -2, q= -5
D: p= 1, q= 10
A right triangle has legs that are 16 inches and 20 inches long. What is the length of the hypotenuse? Enter your answer as a decimal in the box. Round your answer to the nearest hundredth.
Find the image of P(–2, –1) after two reflections; first Ry=−5(P), and then Rx=1(P1).
(1, –5)
(–1, –6)
(4, –9)
(–2, –1)
how are three or more angles related
Leslie says that 5 multiplied by an even number always results in an even product. Is Leslie's statement correct?
Leslie's statement is correct. 5 multiplied by an even number always results in an even product
Number multiplication rulesFrom the question, we are to determine if Leslie's statement is correct.
From the given information,
Leslie says that 5 multiplied by an even number always results in an even product
An even number is a whole number that is able to be divided by two into two equal whole numbers
NOTE: The multiplication of any integer by an even number will always result in an even product.
An integer is a positive or negative whole number.
Since, 5 is an integer, then the multipliction of 5 by an even number will always results in an even product.
Hence, Leslie's statement is correct. 5 multiplied by an even number always results in an even product.
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1. Is -7 + 9= -9 + 7 true, false, or open
A. True
B. False
C. Open
2. Is 4x - 3 = 19 true, false, or open
A. True
B. False
C. Open
3. Which of the following is a solution to the equation 16 = 4x - 4
A. -5
B. -4
C. 5
D. 16
4. An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the student's model is 42 in. What should the width of the model be?
A. 17.5 in
B. 20.5 in
C. 83.6 in
D. 100.8 in
5. Use mental math to determine the solution to x - 3 = 10
A. X=7
B. X=13
C. X=30
D. X=0
The answer of the following mathematical expressions are,
1. True
2. False
3. C. 5
4. A. 17.5 in
5. B. x = 13
Let's go through each of the expression ,
Is -7 + 9 = -9 + 7 true, false, or open?
It is option A. True
Both sides of the equation simplify to 2, so the equation is true.
Is 4x - 3 = 19 true, false, or open?
It is option B. False
When you solve for x, you get 4x = 22, and then x = 5.5. Therefore, the equation is false.
Which of the following is a solution to the equation 16 = 4x - 4?
The value of x is option C. 5
When you solve for x, you get 4x = 20, and then x = 5. So, x = 5 is a solution to the equation.
An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the student's model is 42 inches. What should the width of the model be?
The width is equal to option A. 17.5 inches
If the length is 2.4 times the width, then the width should be 42 inches / 2.4 = 17.5 inches.
Use mental math to determine the solution to x - 3 = 10.
the value of x is option B. x = 13
Adding 3 to both sides of the equation gives x = 10 + 3, which is x = 13.
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Plz help. ,,, ,,,,,,,,,,,,,,........
2/3 7/8 What is closer to 3/4
Find an equivalent fraction for the decimal number. Be sure that your answer is in lowest terms. Enter the numerator into the first box and the denominator of the fraction into the box below. a0 0.6 = ________ a1
Answer:
The lowest fraction equivalent to 0.6 is [tex]\frac{3}{5}[/tex]
Step-by-step explanation:
Given : The decimal number is 0.6
To find : An equivalent fraction for the decimal number in the lowest terms.
Solution : The decimal number 0.6 is written in fraction by removing decimal.
Step 1 - Write the decimal number
[tex]0.6[/tex]
Step 2- Remove the decimal
[tex]0.6 = \frac{6}{10}[/tex]
Step 3 - Reduced the fraction by dividing Nr. and Dr. by 2
[tex]0.6 = \frac{6}{10}=\frac{3}{5}[/tex]
Therefore, The lowest fraction equivalent to 0.6 is [tex]\frac{3}{5}[/tex]
Numerator is [tex]a_0=3[/tex] and Denominator is [tex]a_1=5[/tex]
Please show work! Thank you