Answers
Answer:
after 1.25 hours
Step-by-step explanation:
1. make 130 your y value
130 = 220 - 72x
2. subtract 220 from both sides
-90 = -72x
3. divide by -72 on both sides
1.25 = x
Related Questions
You visit a pizzeria that lets you build your own pizza. They have 2 types of dough (white or wheat), 3types of cheese, and 6 types of toppings.If each pizza consists of a type of dough, one cheese, and one topping, how many different pizzascan you build?a.) 33OOb.) 11c) 72d.) 36
Answers
Given:
The types of dough=2.
The types of cheese = 3.
The types of toppings = 6.
Required:
We need to find the number of different pizzas if each pizza consists of a type of dough, one cheese, and one topping.
Explanation:
The number of different pizzas = multiple
( types of dough, cheese, and toppings).
\(\text{ The number of different pizzas=2}\times3\times6\)\(\text{ The number of different pizzas=36}\)Final answer:
The number of different pizzas =36.
Suppose that we identify 162 women 50 to 54 years of age who have both a mother and a sister with a history of breast cancer. 17 of these women themselves have developed breast cancer at some time in their lives. If we assume that the proportion of breast cancer cases in women whose mothers have had breast cancer is 8%, does having a sister with the disease increase the risk? Find the p-value.
(b) At the 1% significance level, what is the conclusion of the above hypothesis test?
Answers
Yes, having a sister with the disease increases the risk. The p-value of the given hypothesis test is 0.008 and at the 1% significance level, the conclusion is that we have enough evidence to reject the null hypothesis.
Hypothesis Test
A hypothesis test is used to evaluate if a statement is statistically significant. The null hypothesis (H0) is usually the statement to be tested and the alternative hypothesis (Ha) is the statement we are trying to accept.To identify whether having a sister with the disease increases the risk, we can set up a hypothesis test as follows:
Null hypothesis:
There is no significant difference in the incidence of breast cancer in women whose mothers have had breast cancer and women whose mothers have not had breast cancer.
Alternative hypothesis: The incidence of breast cancer in women whose mothers have had breast cancer is significantly different from women whose mothers have not had breast cancer. The proportion of breast cancer cases in women whose mothers have had breast cancer is 8%. We can use this as the population proportion.
The test statistic is calculated as: z = ((17/162) - 0.08) / √((0.08 * (1 - 0.08)) / 162) ≈ -2.67.
The p-value can be calculated using a standard normal distribution table. The p-value is found to be approximately 0.008. This is less than the significance level of 0.01, so we can reject the null hypothesis.
This means that having a sister with the disease does increase the risk. At the 1% significance level, we reject the null hypothesis. We have enough evidence to support the alternative hypothesis that having a sister with the disease increases the risk.
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Mrs. Peña is taking a group of 50 students on a field trip to the Georgia Aquarium. If 20 of the students are boys, what percent of the students are boys?
Answers
Answer:
40%
Step-by-step explanation:
20/50 = 40/100 = 40%
X1 3. A firm has a production function f(x₁,x₂)= x₁¹/³ x₂²/3. The price of x₁ =1 and the price of x₂ =2. Denote the output by y. Derive the conditional demand for x₁ (equation for the y and cost minimizing x₁) and cost function c(y). If the market price is given by 2, what is the profit maximizing output? If the firm has limit of output which is 100, then derive the supply curve of this firm (note that in this case of deriving the supply curve, you should consider the general price, not 2
Answers
Given that the production function of a firm is f(x1, x2) = x1^(1/3) * x2^(2/3), where price of x1 = 1 and price of x2 = 2. Let's derive the conditional demand for x1 and cost function c(y).
Conditional demand for x1 can be derived as:
∂f(x1, x2)/ ∂x1 = (∂/∂x1) (x1^(1/3) * x2^(2/3))= (1/3) * x1^(-2/3) * x2^(2/3)
Now, put the value of x2 = (y/ x1^(1/3))^3 in the above equation.
∂f(x1, x2)/ ∂x1 = (1/3) * x1^(-2/3) * (y/ x1^(1/3))^2 = (1/3) * y^2 * x1^(-4/3)
Since price of x1 = 1, the cost function can be written as c(y) = w1 * x1 + w2 * x2 = x1 + 2x2 = x1 + 4(y/ x1^(1/3))
The cost function of the firm is
c(y) = x1 + 4y^(1/3) * x1^(-1/3) = x1 + 4y^(1/3)/x1^(1/3)
In order to maximize the profit, we need to differentiate the cost function with respect to x1 and equate it to zero.
(c(y))/d(x1) = 1 - 4/3 * y^(1/3) * x1^(-4/3) = 0
x1 = (3/4) * y^(1/3)
On substituting the value of x1 in the cost function, we get:
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Factor this polynomial expression.
x2 - 25
O A. (x - 25)(x - 25)
O B. (x+ 5)(x - 5)
C. (x - 5)(x - 5)
O D. (x+25)(x - 25)
Answers
Answer:
(x+5)(x-5)
Step-by-step explanation:
x^2 - 25
This can be written as
x^2 - 5^2
We know that this is the difference of squares
a^2 - b^2 = ( a+b) ( a-b)
x^2 - 5^2 = (x+5)(x-5)
Answer:
B. (x + 5)(x - 5)
Step-by-step explanation:
Factor the following:
\( \longrightarrow \) x² - 25
25 = 5²:
\( \longrightarrow \) x² - 5²
Factor the difference of two squares.
a² - b² = (a + b)(a - b):
\( \longrightarrow \) (x + 5)(x - 5)
Ethan swam 3.6 miles on Monday and 2.75 miles on Tuesday. How many total miles did Ethan swim on both days?
Answers
Answer:
6.35
Step-by-step explanation:
you have to add 3.6 + 2.75
Answer:
6.35 miles (give brainliest)
Step-by-step explanation:
Which is the best estimate for the value of r in the scatter plot? 40 PTS!!
Answers
The best estimate for the value of r in the given scatter plot is -0.9.
Here, we are given a scatter plot as shown in the figure above.
To estimate the value of r in the scatter plot, we don't actually need to calculate the value of r. We can infer the value by looking at the scatter plot.
As we can see the points show a downward trend so it must be the case that the r value will be negative.
Thus, we can easily eliminate option 1 and 3 as they are positive values.
Now, we've two options: -0.9 and -1
-1 represents a perfect negative correlation, but as we can see from the graph, the points do not form a perfectly straight line. This means that r value cannot be -1.
Thus, we can say that the best estimate of the value of r in the scatter plot is -0.9.
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Please help fast thank you. The problem is in the picture.
Answers
Answer:
lines l //m
Step-by-step explanation:
parallel lines are straight and can never meat each other
a _______________ is a graph showing the differences in frequencies or percentages among categories of a nominal or an ordinal variable.
Answers
A bar chart is a graph that shows the differences in frequencies or percentages among categories of a nominal or an ordinal variable.
A bar chart is a commonly used graphical representation to display the distribution of data in different categories. It is particularly useful when working with nominal or ordinal variables, where the categories are distinct and unordered or have a specific order.
In a bar chart, each category is represented by a rectangular bar whose length corresponds to the frequency or percentage associated with that category. The height of the bar represents the magnitude or count of the variable in each category, allowing for easy visual comparison between the categories.
The bars in a bar chart can be arranged horizontally or vertically, depending on the preference or nature of the data. The chart may also include labels or annotations to indicate the category names or additional information.
By examining the lengths or heights of the bars in a bar chart, it becomes easy to identify the categories with the highest or lowest frequencies or percentages, as well as to compare the relative magnitudes among the different categories. This graphical representation aids in visualizing and interpreting the distribution of a nominal or an ordinal variable effectively.
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PLS HELP ASAP ILL GIVE BRAINLKEST
Answers
Answer:
Its the bottom one x>5
Step-by-step explanation:
Can you help me with this
Answers
Answer:c
Step-by-step explanation:
Answer: C
Step-by-step explanation:
Zero Property: (-10 + 10) divided by 17 =
Answers
Zero divided by any real number is equal to zero.
\((-10+10)/17=\)\(0/17=0\)Black Diamond Company produces snowboards. Each snowboard requires 2 pounds of carbon fiber. Management reports that 7,000 snowboards and 8,000 pounds of carbon fiber are in inventory at the beginning of the third quarter, and that 170,000 snowboards are budgeted to be sold during the third quarter. Management wants to end the third quarter with 5,500 snowboards and 6,000 pounds of carbon fiber in inventory. Carbon fiber costs $19 per pound. Each snowboard requires 0.5 hour of direct labor at $24 per hour. Variable overhead is budgeted at the rate of $14 per direct labor hour. The company budgets fixed overhead of $1,802,000 for the quarter. Required: 1. Prepare the production budget for the third quarter. Hint: Desired ending inventory units are given. BLACK DIAMOND COMPANY Production Budget (in units) Third Quarter Budgeted sales units Add: Desired ending inventory units Total required units Less: Beginning inventory units Units to produce 170,000 5,500 175,500 7,000 168,500 2. Prepare the direct materials budget for the third quarter. BLACK DIAMOND COMPANY Direct Materials Budget Third Quarter Units to produce Materials needed for production (pounds) Total materials required (pounds) Materials to purchase (pounds) + Cost of direct materials purchases 3. Prepare the direct labor budget for the third quarter. BLACK DIAMOND COMPANY Direct Labor Budget Third Quarter Units to produce Direct labor hours needed Cost of direct labor 4. Prepare the factory overhead budget for the third quarter. BLACK DIAMOND COMPANY Factory Overhead Budget Third Quarter Direct labor hours needed Budgeted variable overhead Budgeted total factory overhead
Answers
Production: 168,500 units.
Direct materials: 337,000 pounds.
Direct labor: Calculated based on units produced.
Factory overhead: Calculated based on direct labor hours.
1. Production Budget for the Third Quarter:
BLACK DIAMOND COMPANY Production Budget (in units) Third Quarter
Budgeted sales units: 170,000
Add: Desired ending inventory units: 5,500
Total required units: 175,500
Less: Beginning inventory units: 7,000
Units to produce: 168,500
2. Direct Materials Budget for the Third Quarter:
BLACK DIAMOND COMPANY Direct Materials Budget Third Quarter
Units to produce: 168,500
Materials needed for production (pounds): 2 pounds per snowboard
Total materials required (pounds): 337,000 pounds
Materials to purchase (pounds): Total materials required - Beginning inventory pounds - Desired ending inventory pounds
3. Direct Labor Budget for the Third Quarter:
BLACK DIAMOND COMPANY Direct Labor Budget Third Quarter
Units to produce: 168,500
Direct labor hours needed: 0.5 hour per snowboard
Cost of direct labor: Direct labor hours needed * Direct labor rate
4. Factory Overhead Budget for the Third Quarter:
BLACK DIAMOND COMPANY Factory Overhead Budget Third Quarter
Direct labor hours needed: Calculated from the direct labor budget
Budgeted variable overhead: Direct labor hours needed * Variable overhead rate
Budgeted total factory overhead: Budgeted fixed overhead + Budgeted variable overhead
Note: The specific rates for direct materials, direct labor, and variable overhead were not provided in the given information and would need to be included in the calculations based on the company's specific cost structure.
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Select all of the following values that can be classified as Whole NumbersA. -1/3B.31C.0D.-15
Answers
B. 31
C. 0
Explanations:Note that:
Whole numbers are positive integers (counting numbers) and zero
They are numbers from zero and above that are neither decimal nor fractions
The whole numbers among the options are 31 and 0
Quick what’s the answer whoever gives correct answer gets brainliest
Answers
(›)
Which is more, 1 tablespoon or 2 teaspoons?
Answers
Answer: 1 tablespoon
Step-by-step explanation:
Among all unbiased estimators that are weighted averages of Y1 ,..., Yn, the sample mean as an estimator of the population means is:
Select one alternative:
An estimator with lower sampling variances.
An estimator with a higher sampling variance.
The only consistent estimator.
The most unbiased estimator.
Answers
Among all unbiased estimators which are weighted averages of Y₁, ..., Yₙ, the sample mean as an estimator of population mean is an estimator with lower sampling variances.
The sample mean is known to be an unbiased estimator of the population mean.
Which means that on average, it provides an estimate that is equal to the true population mean.
However, when considering estimators that are weighted averages of the observations.
The sample mean tends to have lower sampling variances compared to other unbiased estimators.
Lower sampling variance is desirable because it indicates less variability in the estimates obtained from different samples.
A lower sampling variance implies that the sample mean is likely to be closer to the population mean, providing a more precise estimate.
Therefore, among unbiased estimators that are weighted averages, sample mean stands out as having a lower sampling variance.
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Ben’s dog trip is on a leash that is 6 feet long. What is the approximate circular area of chips play area is 3.14 for pi
Answers
Answer:37.68
Step-by-step explanation:
first we know the radius is 6 and to find the circumference of a circle you do 2πr and we can plug 3.14 into π and 6 for the radius to it would be 2*3.14*6=12*3.14=37.68
Help please giving out Brianlest thank you very much
Answers
Answer:
5/6
Step-by-step explanation:
See attached Venn diagram
Given they passed the test is 12
then 10 of these completed the assignment 10 /12 = 5/6
write without an exponent
Answers
Answer: 1/64
Step-by-step explanation:
Answer:
1/64
Step-by-step explanation:
\(a^{-m}=\frac{1}{a^{m}}\\\\(-8)^{-2}=\frac{1}{(-8)^{2}}\\\\ =\frac{1}{(-8)*(-8)}\\\\=\frac{1}{64}\)
Help asap!!!!
Answer soon
Answers
Answer:
Step-by-step explanation:
the 8x8x8x8 goes to the 8^4
the 4+4+4+4+4+4+4+4 goes to the 4^8
the 8+8+8+8 goes to the 4x8
so they are like all in order and when your doing these if its like
5x5x5x5 would be 5^4 (< thats 5 with a tiny 4) and 5+5+5+5 is 5x4 so 1 one is the first box second is 2 and third is box 3 then the remaining are just none
and my bad again super sorry
A circle of radius r has area A and circumferance C aregiven respectively byA=πr^2, C=2πrIf r varies with time t, for what value of r is the rate ofchange of A with respect to "t" equal to the rate of change of Cwith respect to "t"?1.r=2π2. r=π/23. r=π4.r=15. r=26. r=1/2
Answers
The value of r at which the rate of change of A with respect to t is equal to the rate of change of C with respect to t is r = 1.
None of the options are correct.
We have,
To find the value of r at which the rate of change of the area A with respect to t is equal to the rate of change of the circumference C with respect to t, we need to equate their derivatives.
Given:
A = πr²
C = 2πr
Let's differentiate both equations with respect to t:
dA/dt = d(πr²)/dt
dC/dt = d(2πr)/dt
Using the power rule of differentiation, we get:
dA/dt = 2πr(dr/dt)
dC/dt = 2π(dr/dt)
Now, we can equate the two expressions:
2πr(dr/dt) = 2π(dr/dt)
Canceling out the common factor of 2π and (dr/dt), we get:
r = 1
Therefore,
The value of r at which the rate of change of A with respect to t is equal to the rate of change of C with respect to t is r = 1.
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Find the value of x and y
Answers
Answer:
x = 26, y = 120
Step-by-step explanation:
First we will find x.
We know that 3x-18 = 2x+8 because they are corresponding angles
Now we can solve for x
3x-18 = 2x+8 | subtract 2x from both sides
x-18 = 8 | add 18 to both sides
x = 26
Now we can find y. We know that 3x-18 and y are supplementary (add up to 180) since they are a linear pair (adjacent angles that form a line)
This means we can solve for y using the following :
3x-18 + y = 180 | substitute x for 26
3(26)-18 + y = 180 | simplify
60 + y = 180 | subtract 60 from both sides to isolate y
y = 120
- Kan Academy Advance
I need help with all question, I will give brainliest.
Answers
Answer:
1) y= 30
2) y - 45
3) y= 60
4) y = 3
Step-by-step explanation:
Answer:
1. y=30
2. y=45
3. y=60
4. y=3
hope this helps!!!
You are a construction worker who is laying down concrete drainage pipes. Each pipe is 5 feet long and 3 inches
thick, and has an outside diameter of 6.5 feet. You lay down 4 drainage pipes end to end.
At any given time, what is the volume of water that passes through the 4 drainage pipes at half capacity? Round
the answer to the nearest tenth of a cubic foot.
141.3
165.8
282.6
306.6
565.2
Answers
Answer:
165.8
Step-by-step explanation:
home / math / volume calculator
Volume Calculator
The following is a list of volume calculators for several common shapes. Please fill the corresponding fields and click the "Calculate" button.
Sphere Volume Calculator
Radius (r)
feet
Cone Volume Calculator
Base Radius (r)
feet
Height (h)
feet
Cube Volume Calculator
Edge Length (a)
feet
Cylinder Volume Calculator
Base Radius (r)
feet
Height (h)
feet
Rectangular Tank Volume Calculator
Length (l)
feet
Width (w)
feet
Height (h)
feet
Capsule Volume Calculator
Base Radius (r)
feet
Height (h)
feet
Spherical Cap Volume Calculator
Please provide any two values below to calculate.
Base Radius (r)
feet
Ball Radius (R)
feet
Height (h)
feet
Conical Frustum Volume Calculator
Top Radius (r)
feet
Bottom Radius (R)
feet
Height (h)
feet
Ellipsoid Volume Calculator
Axis 1 (a)
feet
Axis 2 (b)
feet
Axis 3 (c)
feet
Square Pyramid Volume Calculator
Base Edge (a)
feet
Height (h)
feet
Tube Volume Calculator
Result
Volume = 165.66992509165 feet3
Or
Volume = 286277.63055837 inches3
Steps:
In the unit of feet3
Volume =
π d12 - d22 l
4
=
π× 6.52 - 0.252 ×5
4
= 52.734375π
= 165.66992509165 feet3
In the unit of inches3
Volume =
π d12 - d22 l
4
=
π× 782 - 32 ×60
4
= 91125π
= 286277.63055837 inches3
How does the formula for determining degrees of freedom in
chi-square differ from the formula in t-tests and ANOVA?
Answers
For one-way ANOVA, the degrees of freedom are calculated using the formula:df = k - 1where k is the number of groups being compared. For two-way ANOVA, the degrees of freedom are calculated using the formula:df = (a-1)(b-1)where a is the number of levels in factor A and b is the number of levels in factor B.
The formula for determining degrees of freedom in chi-square is different from the formula in t-tests and ANOVA in several ways. Chi-square tests are used to examine the relationship between categorical variables, while t-tests and ANOVA are used to compare means between two or more groups. The degrees of freedom in a chi-square test depend on the number of categories being compared, while in t-tests and ANOVA, the degrees of freedom depend on the number of groups being compared.
In chi-square, the degrees of freedom are calculated using the formula:df = (r-1)(c-1)where r is the number of rows and c is the number of columns in the contingency table. T-tests and ANOVA, on the other hand, have different formulas for calculating degrees of freedom depending on the type of test being conducted. For a two-sample t-test, the degrees of freedom are calculated using the formula:df = n1 + n2 - 2where n1 and n2 are the sample sizes for each group.
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HELP! 7th grade math! GIVE CORRECT ANSWER AND YOU WILL GET BRAINLIEST!!
Answers
Answer:
FG = 28
Step-by-step explanation:
You are given the ratio 1:2. That means that the photocopied monorail is twice as big as the original. All you need to do is multiply 14 by 2 to get your answer.
Answer:
FG=28
Step-by-step explanation:
cuz the ratio is 1:2 so 14*2=28
Please give me correct answer fast
Answers
The correct answers represent the line of the image above are:
(I) It passes vertical line test, and(II) Each x values has exactly one corresponding y value. (function) Determine a functionThe line in the image above shows a function.
Where it passes the vertical line test, because the line does not touch the given vertical line twice, only once. Then point (I) It passes vertical line test, This is correct.
The line also shows that each x value is paired with exactly one value on the y axis, so that point II is also true.
These two points are requirements for a graph/curve to be said as a function in mathematics, so the correct answers are I and II.
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Simplify: startroot startfraction 25 over 441 endfraction endroot the prime factorization of 25 is . the prime factorization of 441 is . the expression startroot startfraction 25 over 441 endfraction endroot in simplest form is .
Answers
The prime factorisation of √25 = 5
The prime factorisation of √441 = 21
The simplest form of √25 / 441 is 5 / 21
How to simplify an expression?simplify √25 / 441
Using indices method,
\(\sqrt[n]{ab} = \sqrt[n]{a} .\sqrt[n]{b}\)
Therefore,
The prime factorisation of √25 = 5
The prime factorisation of √441 = 21
The expression √25 / 441 in the simplest form is as follows:
√25 / 441 = 5 / 21
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Answer:
Here are your answers .......
The prime factorisation of √25 = 5
The prime factorisation of √441 = 21
The simplest form of √25 / 441 = 5 / 21
Step-by-step explanation:
Hope this helped you!Don't forget to hit that Brainliest button!Policies Current Attempt in Progress On May 1, 2021, Sheffield Company sells office furniture for $300000 cash. The office furniture originally cost $746800 when purchased on January 1, 2014. Depreciation is recorded by the straight-line method over 10 years with a salvage value of $80200. What gain should be recognized on the sale? (Hint: Use 7.333333 for years used in calculation.) O $44540. O $22220. O $84080. O $42040. Save for Later -/5 = 1 Attempts: 0 of 1 used Submit Answer
Answers
To calculate the gain on the sale of the office furniture, we need to determine the asset's book value and compare it to the sale price.
First, let's calculate the accumulated depreciation on the furniture. The furniture was purchased on January 1, 2014, and the straight-line depreciation method is used over 10 years with a salvage value of $80,200.
Depreciation per year = (Cost - Salvage Value) / Useful Life
Depreciation per year = ($746,800 - $80,200) / 10 years
Depreciation per year = $66,160
Next, we need to calculate the accumulated depreciation for the period from January 1, 2014, to May 1, 2021 (the date of the sale). This is approximately 7.33 years.
Accumulated Depreciation = Depreciation per year × Years
Accumulated Depreciation = $66,160 × 7.33 years
Accumulated Depreciation = $484,444.80
Now, we can calculate the book value of the furniture:
Book Value = Cost - Accumulated Depreciation
Book Value = $746,800 - $484,444.80
Book Value = $262,355.20
Finally, we can calculate the gain on the sale:
Gain on Sale = Sale Price - Book Value
Gain on Sale = $300,000 - $262,355.20
Gain on Sale = $37,644.80
Therefore, the gain that should be recognized on the sale of the office furniture is approximately $37,644.80.
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The gain that should be recognized on the sale of the office furniture is $84,080.
The gain is calculated by subtracting the equipment's book value from the sale price. This gain will be reported on the company's income statement. Here is how to calculate the gain:First, find the equipment's book value using the straight-line method of depreciation.
Straight-line depreciation is calculated by taking the difference between the equipment's original cost and its salvage value, and then dividing it by the number of years the equipment is used. The annual depreciation expense is then multiplied by the number of years the equipment is used to find the equipment's book value at the end of its useful life.
For this question, the book value of the equipment at the time of sale is:Cost of equipment: $746,800Salvage value: $80,200Depreciable cost: $746,800 - $80,200 = $666,600Annual depreciation: $666,600 ÷ 10 years = $66,660Book value at the end of 2020: $666,600 - ($66,660 x 7) = $156,420
Next, subtract the equipment's book value from the sale price to find the gain:Sale price: $300,000Book value: $156,420Gain: $143,580Finally, round the gain to the nearest dollar:$143,580 ≈ $143,580.00So the gain that should be recognized on the sale of the office furniture is $84,080.
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