The sum of two numbers is −14. One number is 23 more than the other one. Find the numbers.
Answer:
below
Step-by-step explanation:
x = one number
x+23 = second number <======added together the equal -14
x + x+23 = -14
2x = -37
x = -18.5 other number = x+23 = 4.5
The ratio of the sides of rectangle LMNP to the sides of rectangle TUVW is 1:4. The length of LM is 3.6 in, and the length of UV is 16 in.
What is the difference between the areas of the two rectangles?
A. 226 in2
B. 172.8 in2
C. 211 in2
D. 216 in2
Your taxable wages for Social Security purposes are $1100. How much is your Social Security tax if you have previous taxable wages of $102,000?
If you have previous taxable wages of $102,000 and your current taxable wages are $1,100, your Social Security tax would be $6,324 for the previous wages and $68.20 for the current wages.
To calculate the Social Security tax, we need to know the tax rate for Social Security and the taxable wages. Let's assume the Social Security tax rate is 6.2% for both the employee and the employer.
Given that your taxable wages for Social Security purposes are $1,100, and your previous taxable wages are $102,000, we can determine the Social Security tax amount.
First, we need to calculate the Social Security tax on the previous taxable wages of $102,000. Multiply $102,000 by 6.2% (0.062) to find the Social Security tax for that amount:
Social Security tax = $102,000 x 0.062 = $6,324
Next, we calculate the Social Security tax on the current taxable wages of $1,100. Multiply $1,100 by 6.2% to find the tax amount:
Social Security tax = $1,100 x 0.062 = $68.20
Therefore, if you have previous taxable wages of $102,000 and your current taxable wages are $1,100, your Social Security tax would be $6,324 for the previous wages and $68.20 for the current wages.
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Please help thank you :)
Answer:
80%. Eighty percent of them
A Father is three times as old as his son. Five years later he will be only 2 ½ times older than his son: Find their present age
Answer: the present age of son is 15 years, and the present age of father is 45 years.
Step-by-step explanation:
Let the age of son be 'x' and that of his father be 'y'.
So according to the question, the 1st equation that can be formed will be:
y = 3(x) ->(1)
[as father's age is 3 times the age of son]
Now after 5 years:
Age of son = (x+5)
Age of father = (y+5)
So according to the question, the 2nd equation that can be formed will be:
(y+5) = 2.5×(x+5) ->(2)
[as father is now two and half times old as his son]
Substituting the value of equation (1) in (2), we get:
(3x+5) = 2.5×(x+5)
=> 3x + 5 = 2.5x + 12.5
=> 3x - 2.5x = 12.5 - 5
=> 0.5x = 7.5
=> x = 7.5/0.5 = 15
Thus, the present age of son is 15 years.
Note : we can calculate the age of father by putting the value of x in equation (1) or (2):
y = 3(x) = 3 × 15 = 45 (putting x in equation 1)
Thus, the present age of father is 45 years.
2. An empty box has a weight of 350g. When 15 cans of juice are put into it the total weight is
4850g. What is the weight of one can of juice?
Answer: 300
Step-by-step explanation:
15x+350=4850
15x=4500
x=300
solve and give answer in surd form
√7 /1+1/√2
Answer:
Step-by-step explanation:
√7 /1 + 1/√2
= √7 + √2 / 2
Find the surface area
of the figure below:
19 cm
30 cm.
The surface area of the figure is approximately 997.5π cm².
We have,
The figure has two shapes:
Cone and a semicircle
Now,
The surface area of a cone:
= πr (r + l)
where r is the radius of the base and l is the slant height.
Given that
r = 15 cm and l = 19 cm, we can substitute these values into the formula:
= π(15)(15 + 19) = 885π cm² (rounded to the nearest whole number)
The surface area of a semicircle:
= (πr²) / 2
Given that r = 15 cm, we can substitute this value into the formula:
= (π(15)²) / 2
= 112.5π cm² (rounded to one decimal place)
The surface area of the figure:
To find the total surface area of the figure, we add the surface area of the cone and the surface area of the semicircle:
Now,
Total surface area
= 885π + 112.5π
= 997.5π cm² (rounded to one decimal place)
Therefore,
The surface area of the figure is approximately 997.5π cm².
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The Fairy Tale Spectacular is coming to town. Admission to the fair costs $32.50 and each ride costs $0.80. You have $50 to spend at the Fairy Tale Spectacular including admission. What is the maximum number of rides you can enjoy?
Answer:
21 rides
Step-by-step explanation:
let x = number of rides you can ride
32.50 + 0.80x \(\leq\) 50
subtract 32.50 from both sides
0.8x \(\leq\) 17.5
divide the left and right by 0.8
x \(\leq\) 21.875
this means you can ride 21 times, because you can't ride a ride unless you can afford the whole cost
how to check; 32.50 + 0.8(21) is 49.30 and 80 cents more would go over your 50 dollar spending limit
please help me answer this question thank you
Answer:
A
Step-by-step explanation:
Multiply by 4,subtract 5, find the input when the output is 29
Answer:
17/2
Step-by-step explanation:
4x-5=29
4x=34
x=17/2
My fellow Americans, tonight, I’d like to talk with you about immigration.
For more than 200 years, our tradition of welcoming immigrants from around the world has given us a tremendous advantage over other nations. It’s kept us youthful, dynamic, and entrepreneurial. It has shaped our character as a people with limitless possibilities—people not trapped by our past, but able to remake ourselves as we choose.
–Address to the nation on immigration, President Obama, 2014
Which advantages of immigration does President Obama name in this passage? Check all that apply.
It has helped create new businesses.
It has helped boost the nation’s military.
It has helped shift the nation’s death rate.
It has shaped the character of the country.
It has given us benefits that other countries do not have.
Answer:
A, D, and Eso basically, It has helped create new businesses. It has shaped the character of the country. It has given us benefits that other countries do not have.
Answer:
A,D, and E
Step-by-step explanation:
just answered the question
How can we guarantee that a polynomial is not a perfect square, considering just the constant term? For instance, in 4, the constant term is -121, in 2, the constant term is 36. Which of them cannot be a perfect square and why, based only on the constant term?
Regarding perfect squares, it is found that:
A negative constant guarantees that the polynomial is not a perfect square.The polynomial with a constant term of -121 is not a perfect square.Perfect squaresPerfect square expressions are formed with the notable products of the square of the sum or the square of the subtraction, as follows:
(a + b)² = a² + 2ab + b² -> square of the sum.(a - b)² = a² - 2ab + b² -> square of the subtraction.The constant term of perfect squares, in both cases, is given by:
b².
Since the number is squared, it will always be a positive value, meaning that a negative constant term guarantees that the polynomial is not a perfect square.
The polynomial with a negative constant in this problem has a constant of -121, hence it is not a perfect square.
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if y is directly porportional to x^2 and the difference in the values of y when x=1 and x=3 is 32, find the value of y when x=-2
Answer:
Step-by-step explanation:
y=kx²
y₁=k(1)²=k
y₃=k(3)²=9k
y₁-y₃=k-9k=32
-8k=32
k=-4
y=-4x²
y₋₂=-4(-2)²=-16
A dairy farmer wants to mix a 70% protein supplement and a standard 20% protein ratio to make 1900 pounds of a high grade 55% protein ration how many pounds of each should he use
The dairy farmer should use 1330 pounds of the 70% protein supplement and 570 pounds of the 20% protein ratio to make a 1900-pound high-grade 55% protein ration.
To determine the amounts of the 70% protein supplement and the 20% protein ratio needed to make a 1900-pound high-grade 55% protein ration, we can set up a system of equations.
Let's assume x represents the pounds of the 70% protein supplement and y represents the pounds of the 20% protein ratio.
The total weight equation is given by:
x + y = 1900
The protein content equation is given by:
(0.70x + 0.20y) / 1900 = 0.55
Simplifying the second equation, we get:
0.70x + 0.20y = 0.55 × 1900
0.70x + 0.20y = 1045
Now, we can solve this system of equations to find the values of x and y.
Rearrange the first equation to solve for x:
x = 1900 - y
Substitute this expression for x in the second equation:
0.70(1900 - y) + 0.20y = 1045
1330 - 0.70y + 0.20y = 1045
1330 - 0.50y = 1045
-0.50y = 1045 - 1330
-0.50y = -285
y = -285 / -0.50
y = 570
Now substitute this value of y back into the first equation to find x:
x + 570 = 1900
x = 1900 - 570
x = 1330
Therefore, the dairy farmer should use 1330 pounds of the 70% protein supplement and 570 pounds of the 20% protein ratio to make a 1900-pound high-grade 55% protein ratio.
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Analyzing a Solution
Mark used a number line to model dividing by 3. He
3
divided the number line from 0 to 1 in 3 equal sections,
and then divided each of those sections into 2 equal
1
parts. Mark says+3 is 3.
Is his answer correct? Explain why or why not.
No, his answer is not correct because each of the smaller divisions represents 1/6, not 3.
Mark's answer is not correct.
When dividing a number line into equal sections, the value of each section represents a fraction of the whole.
In this case, Mark divided the number line from 0 to 1 into 3 equal sections and then divided each of those sections into 2 equal parts.
Initially, the whole number line from 0 to 1 represents the number 1. When Mark divided it into 3 equal sections, each section represents 1/3 (one-third) of the whole.
So far, this is correct.
However, when Mark further divided each of the 1/3 sections into 2 equal parts, each part represents 1/2 (one-half) of the 1/3 section.
So, each of these smaller divisions represents 1/2 \(\times\) 1/3 = 1/6 (one-sixth) of the whole.
Therefore, the correct representation of each of the smaller divisions is 1/6, not 3.
Mark made an error by mistakenly assuming that each smaller division represents the number 3.
In summary, Mark's answer of 3 is incorrect because each of the smaller divisions represents 1/6, not 3.
The correct representation for dividing the number line as described is 1/6.
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A company has 3.12 × 108 dollars to spend on salaries for its employees. The company has 6.5 × 103 employees. Each employee earns the same amount. How much does each employee earn?
A.
4.8 × 104 dollars
B.
2.028 × 1012 dollars
C.
2.028 × 1010 dollars
D.
4.8 × 106 dollars
Answer:
its b
Step-by-step explanation:
Jan had 1/4 pound of chocolate and shared it among her eight friends. How much
did each person get?
Zach had eight candy bars and gave each friend 1/4 of a candy bar. How many
people did he share with?
2 and 1/4 chocolate and shared it among her eight friends.
24 people did he share with candy bar.
What is meant by chocolate ?
The cacao tree's seeds are extremely bitter and must be fermented in order to produce a flavorful product.The seeds are dried, washed, and roasted after fermentation. The shell is taken off to create cocoa nibs, which are then ground to create cocoa mass, a kind of pure chocolate.Chocolate liquor is the result of boiling the cocoa material to a liquid state.It is also possible to chill the liquor and separate it into the two ingredients cocoa solids and cocoa butter.Baking chocolate, often known as bitter chocolate, is made only of cocoa butter and solids in different ratios.Dutch cocoa can be made by alkalizing powdered baking cocoa, which has more fiber than cocoa butter.To learn more about chocolate refer to
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solve the following question
14. The trigonometric equation (sin47°/cos43°)² + (cos43°/sin47°)² - 4cos²45° = 4
15. In the trigonometric equation 2(cos²θ - sin²θ) = 1, θ = 15°
What is a trigonometric equation?A trigonometric equation is an equation that contains a trigonometric ration.
14. To find the value of (sin47°/cos43°)² + (cos43°/sin47°)² - 4cos²45°, we proceed as follows
Since we have the trigonometric equation (sin47°/cos43°)² + (cos43°/sin47°)² - 4cos²45°,
We know that sin47° = sin(90 - 43°) = cos43°. So, substituting this into the equation, we have that
(sin47°/cos43°)² + (cos43°/sin47°)² - 4cos²45° = (cos43°/cos43°)² + (cos43°/cos43°)² - 4cos²45°
= 1² + 1² - 4cos²45°
We know that cos45° = 1/√2. So, we have
1² + 1² - 4cos²45° = 1² + 1² - 4(1/√2)²
= 1 + 1 + 4/2
= 2 + 2
= 4
So, (sin47°/cos43°)² + (cos43°/sin47°)² - 4cos²45° = 4
15. If 2(cos²θ - sin²θ) = 1 and θ is a positive acute angle, we need to find the value of θ. We proceed as follows
Since we have the trigonometric equation 2(cos²θ - sin²θ) = 1
We know that cos2θ = cos²θ - sin²θ. so, substituting this into the equation, we have that
2(cos²θ - sin²θ) = 1
2(cos2θ) = 1
cos2θ = 1/2
Taking inverse cosine, we have that
2θ = cos⁻¹(1/2)
2θ = 30°
θ = 30°/2
θ = 15°
So, θ = 15°
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Task 3 add
3/4+1/4
2/3+1/3
5/6+2/6
7/8+1/8
4/5+3/5
The answer for the given questions are:
1. 3/4 + 1/4 = 1
2. 2/3 + 1/3 = 1
3. 5/6 + 2/6 = 7/6
4. 7/8 + 1/8 = 1
5. 4/5 + 3/5 = 1 2/5
To solve the addition problems involving fractions, let's approach each one step by step:
1. 3/4 + 1/4:
When adding fractions with the same denominator, you simply add the numerators while keeping the denominator the same. In this case, since both fractions have a denominator of 4, you can add the numerators, which gives us 3 + 1 = 4. Therefore, the sum is 4/4. However, 4/4 is equivalent to the whole number 1. So, the answer to 3/4 + 1/4 is 1.
2. 2/3 + 1/3:
Similar to the previous problem, these fractions have the same denominator, which is 3. Adding the numerators, we have 2 + 1 = 3. Therefore, the sum is 3/3, which simplifies to 1. So, 2/3 + 1/3 equals 1.
3. 5/6 + 2/6:
Again, the denominators are the same, so we can add the numerators: 5 + 2 = 7. The sum is 7/6. However, 7/6 cannot be simplified any further, so that is the final answer.
4. 7/8 + 1/8:
Both fractions have a denominator of 8. Adding the numerators, we get 7 + 1 = 8. Therefore, the sum is 8/8. Similar to the first example, 8/8 is equivalent to the whole number 1. So, 7/8 + 1/8 equals 1.
5. 4/5 + 3/5:
These fractions share a denominator of 5. Adding the numerators, we have 4 + 3 = 7. Hence, the sum is 7/5. However, 7/5 can be simplified as a mixed number, which is 1 2/5. Therefore, 4/5 + 3/5 equals 1 2/5.
In summary, the solutions to the addition problems are as follows:
1. 3/4 + 1/4 = 1
2. 2/3 + 1/3 = 1
3. 5/6 + 2/6 = 7/6
4. 7/8 + 1/8 = 1
5. 4/5 + 3/5 = 1 2/5
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Thanks to social media, the happiest creature on earth, an always smiling Australian marsupial called a quokka, has become well known. Suppose that the weights of quokkas can be described by the Normal model N(10, 2.1). Complete parts a through c. a) What percent of quokkas weigh over 14.4 pounds? b) What percent of quokkas weigh under 11.6 pounds? c) What percent of quokkas weigh between 11.6 and 14.4 pounds?
A line passes through the point (-4,-6) and has a slope of 5/4. Write an equation in slope-intercept form for this line.
Answer:
y = \(\frac{5}{4}\) x - 1
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
here m = \(\frac{5}{4}\) , then
y = \(\frac{5}{4}\) x + c ← is the partial equation
to find c substitute (- 4, - 6 ) into the partial equation
- 6 = - 5 + c ⇒ c = - 6 + 5 = - 1
y = \(\frac{5}{4}\) x - 1 ← equation of line
You have only one question today How tall was the statue of Hercules if the first and second knuckle of his index finger
Answer:
Thanks!
Step-by-step explanation:
Answer:
The thumb digit has only two phalanges (bones) so it only has one joint. The index finger is more likely to develop arthritis from the pinch force that.The PIP joint is the first joint of the finger and is located between the first two bones of the finger
Step-by-step explanation:
Members of a park-walking club were asked how often do they visit a gym or other exercise facility outside their home. The following results were compiled after the survey: 0 visits per week: 13 1-3 visits per week: 17 4-6 visits per week: 8 7 or more visits per week: 17 What is the cumulative frequency of club members who exercise publicly for six or fewer times per week?
Answer: The cumulative frequency of club members who exercise publicly for six or fewer times per week = 38
Step-by-step explanation:
The given results of the survey:
0 visits per week: 13
1-3 visits per week: 17
4-6 visits per week: 8
7 or more visits per week: 17
The cumulative frequency of club members who exercise publicly for six or fewer times per week = Frequency for 0 visits + Frequency for 1-3 visits per week + Frequency for 4-6 visits per week
= 13+17+8
=38
Hence, the cumulative frequency of club members who exercise publicly for six or fewer times per week = 38
Question 1 of 6Read the problem below and find the solution. Draw a diagram on your ownpaper to help solve it.Bruce has a pet worm that fell into a well. The well is 37 feet deep. Each day,the worm climbs up 7 feet, but each night, it slides back down 2 feet. Howmany days will it take for Bruce's worm to get to the top of the well?(Do not include units in your answer.)
Given:
Bruce has a pet worm that fell into a well. The well is 37 feet deep. Each day,
the worm climbs up 7 feet, but each night, it slides back down 2 feet.
Required:
How many days will it take for Bruce's worm to get to the top of the well?
Explanation:
The calculations stetps:
Each day he climbs up 7 feet.
Each night he slides back down 2 feet.
In 24 hours, pet worm travels 7 - 2 =5 feet.
In 6 days, worm will climb up 30 feet.
On 7th day, worm will c
Help please friendssssssssss
Answer: 6/(6+2x) ; (-infinity, -3) U (-3, infinity)
Step-by-step explanation:
(a) This can be read as f(x) composed of g(x). Plug in the expression given for g(x) for every x value in f(x):
(6/x)/(6/x+2)
I gave the terms in the denominator the same denominator to combine the bottom two terms into one term. 6/x + 2 is equal to 6/x + 2x/x -->
(6 +2x)/x
Do the classic keep, change, flip. \(\frac{6}{x} * \frac{x}{6+2x}\)
This simplifies to: \(\frac{6}{6+2x}\)
(b) Domain is all real numbers except for what makes the denominator equal to 0. 6 + 2x = 0 when x = -3. Therefore it is all real numbers except -3.
Ray has found that his new car gets 31 miles per gallon on the highwayand 26 miles per gallon in the city. He recently drove 285 miles on 10gallons of gasoline. How many miles did he drive on the highway? How many miles did he drive in the city?
Answer:
Answer: 180 highway miles at 36 mpg (5 gals); 217 city miles at 31 mpg (7 gals).
Step-by-step explanation:
Complete the steps in order to write the inverse of f(x) = x + 5
1.
= x + 5
2.
= y + 5
3.
= y
4.
= x – 5
The complete order of the inverse function of the function f(x) = x + 5 is:
1. y = x + 5
2. x = y + 5
3. x - 5 = y
4. y = x - 5
How to complete the steps in order to write the inverse of f(x) = x + 5?The function is given as:
f(x) = x + 5
The opposite of the function f(x) = x + 5 is the inverse of the function.
So, we have:
f(x) = x + 5
Express f(x) as y
y = x + 5
Swap the positions of x and y
x = y + 5
Make x the subject of the formula
x - 5 = y
Rewrite as:
y = x - 5
Hence, the inverse function of the function f(x) = x + 5 is y = x - 5
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Miguel is designing shipping boxes that are rectangular prisms. The shape of one box, with height h in feet, has a volume defined by the function V(h) = h(h - 7)(h - 11). Graph the function. What is the maximum volume for the domain 0 < h < 11? Round to the nearest cubic foot.
Answer:
96 ft³
Step-by-step explanation:
A graphing calculator conveniently graphs this function. It shows the maximum volume is about 96 ft³.
Can someone help? This is from Kahn Academy
Answer:
B. \( \frac{ {7}^{36} }{ {9}^{24} } \)
Step-by-step explanation:
\( \bigg( {9}^{6} . {7}^{ - 9} \bigg ) ^{ - 4} \\ \\ = {9}^{6 \times ( - 4)} \times {7}^{ - 9 \times ( - 4)} \\ \\ = {9}^{ - 24} \times {7}^{36} \\ \\ = \frac{ {7}^{36} }{ {9}^{24} } \\ \)