Fraction : Word problems may involve fractions if we are dealing with partial values coming from a whole.
Total number of pages she read on Monday are 50 pages .
Total number of pages she read on Tuesday are 40 pages .
Operations with Fractions:
we have to remeber some important rules, making fractions similar for addition and subtraction, and applying the reciprocal for the divisor in division. The operations would depend on the analysis of the problem.
We have given in the problem that on Monday, Saumya read 1/3 of a book and on Tuesday, she read 2/5 of the remaining pages. After those, the remaining number of pages is 60
Firstly, we have to find the total number of pages the book has.
We will begin by finding the remaining fraction of pages after Saumya read on Monday. We will subtract 1/3 from 1 whole since she read from the beginning of the book.
1 − 1/3 = 2/3
Now, we know that on Tuesday, Saumya began reading with 2/3 remaining in the book. We will now find the fraction of the pages Saumya read on Tuesday. We know that it's 2/5 of the remaining pages, so it's 2/5 of 2/3
=> 2/5× 2/3 = 4/15 of the total number of pages of the book on Tuesday. So now, we will find the total fraction of the number of pages of the book that Samuya has read so far. This is so we can compare this fraction with the number of pages remaining. For this, we will add
1/3 + 4/15 = (5 + 4)/15 = 9/15
then 1 - 9/15 = (15-9)/15 = 6/15
This means that there would be another 6/15
= 2/5 of the book remaining and
that the remaining 2/5 of the book = 60 pages the total number of pages = 60/2/5
= 60×5/2 = 150
Therefore, the book has a total of 150 pages.
Total number of pages she read on Monday
= 1/3 of 150 = 50 pages
Total number of pages she read on Tuesday
= 4/15 of 150 = 40 pages
Hence, the total number of pages she read on Monday and Tuesday are 50 pages and 40 pages respectively.
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When bound to CR1, C3b is cleaved by __________, generating pathogen-associated B-cell co-receptor ligands.
When bound to CR1 (complement receptor 1), C3b is cleaved by Factor I, resulting in the generation of pathogen-associated B-cell co-receptor ligands.
The complement system is a part of the immune system that plays a crucial role in recognizing and eliminating pathogens. C3b is a component of the complement system that can opsonize pathogens, marking them for phagocytosis by immune cells. When C3b binds to CR1, which is present on B cells, the cleavage of C3b occurs. This cleavage is performed by an enzyme called Factor I, which is regulated by co-factors such as membrane cofactor protein (MCP). Factor I acts by proteolytically cleaving C3b into smaller fragments, resulting in the generation of pathogen-associated B-cell co-receptor ligands.
These pathogen-associated B-cell co-receptor ligands play a role in the activation of B cells, promoting their immune response against the pathogen. By cleaving C3b, Factor I helps regulate and fine-tune the complement system, ensuring an appropriate immune response while preventing excessive inflammation or damage to host tissues.
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Evaluate the following expression.7/8 ÷ 1/8 + 22
Answer:
29
Step-by-step explanation:
Copy dot flip
7/8 × 8/1 + 22
56/8 + 22
7 + 22
29
Answer:
11
Step-by-step explanation:
The blue dot is at what value on the number line?
Answer:
I believe it would be -20 because the number line values skip by 2 or 3 each skip.
Hi guys I need your help here I'll give 100 points and also brainiest no link's please I need this by today thank you : )
Answer:
#2CD ║ EF and ED is transversal, hence
∠CDE ≅ ∠FED ⇒ m∠CDE = m∠FED ⇒ m∠CDE = 28° as alternate interior anglesm∠CDB = 160° - 28° = 132°We can see that:
m∠CDB + m∠ABD = 132° + 48° = 180°Since the angles CDB and ADB sum to 180, these are consecutive interior angles, therefore AB and CD are parallel lines.
#3PU and QT are parallel and PT is transversal, therefore:
∠UPT ≅ ∠QTP as alternate interior anglesm∠UPT = m∠QTP = 42° or x = 42°Now find the missing angles of ΔQTP
x + 40° = 42° + 40° = 82°y = 180° - (42° + 82°) = 56°Now, we see that:
m∠TPQ = 82°m∠SQR = 82°As ∠TPQ ≅ ∠SQR these angles are corresponding angles.
Therefore PT and SQ are parallel lines.
A person walks away from a pulley pulling a rope slung over it. The rope is being held at a height 10 feet below the pulley. Suppose that the weight at the opposite end of the rope is rising at 4 feet per second. At what rate is the person walking when s/he is 20 feet from being directly under the pulley
The image of this question is missing and so i have attached it.
Answer:
dd/dt = 4.47 ft/s
Step-by-step explanation:
From the image attached, let's denote the following;
d = horizontal distance beneath pulley
h = height of pulley
l = diagonal from the pulley to the head of the person
v = velocity of rope rising
Using pythagoras theorem;
l² = d² + h²
Differentiating with respect to time and considering h = c^(te) gives;
2l(dl/dt) = 2d(dd/dt)
We are given;
d = 20 ft
h = 10 ft
v = 4 ft/s
We know that velocity in this case is change in diagonal distance with time. Thus;
v = dl/dt = 4 ft/s
From earlier, we saw that;
2l(dl/dt) = 2d(dd/dt)
Thus, reducing it gives
(dl/dt)(l/d) = dd/dt
Now, l² = d² + h²
l = √(d² + h²)
Also, v = dl/dt = 4
Thus;
4(√(d² + h²))/d = dd/dt
4(√(20² + 10²))/20 = dd/dt
dd/dt = 4.47 ft/s
A company makes 140 bags.
48 of the bags have buttons but no zips.
49 of the bags have zips but no buttons.
23 of the bags have neither zips nor buttons.
A bag is selected at random.
What is the probability that the bag has buttons?
Answer:
0.4 = 40%
Step-by-step explanation:
Answer:
\(48 + 49 + 23 = 120 \\ there \: are \: 20bags \: have \: zips \: and \: buttons \\ \: so \: tere \: are68 \: buttons \\ the \: probability \: is \: \frac{68}{140} \)
let x be the exam grade of a random student taking calculus 1 at uiuc. suppose professor smith takes a random sample of 120 students from the calculus 1 class to see how they did on the exam. in his sample, he got a mean of 91 and a standard deviation of 24. approximate the probability that (the sample mean) would be lower than 88.2.
The probability would be 0.086.
What is the standard deviation?
The standard deviation in statistics is a measure of the amount of variation or dispersion in a set of values. A low standard deviation indicates that the values are close to the set's mean, whereas a high standard deviation indicates that the values are spread out over a larger range.
\(P(Sample mean < 76.4)\\\\= P(z < \frac{76.4-79}{20/\sqrt{110}})\\\\= P(z < -1.36)\\\\= 0.086\)
Hence, the probability would be 0.086.
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Billy’s Crystal Stores Inc. has assets of $5,960,000 and turns over its assets 1.9 times per year. Return on assets is 8 percent. What is the firm’s profit margin (return on sales)?
The firm's profit margin is 4.17%.
To calculate the firm's profit margin, also known as the return on sales, you need to divide the firm's net income by its total sales. In this case, you are given the firm's return on assets (ROA), which is equal to the firm's net income divided by its total assets.
You can use this information to set up the following equation:
ROA = \(\frac{net \ income}{total \ assets}\)
Plugging in the given values, you get:
8%= \(\frac{net \ income} {5,960,000}\)
Solving for net income, you find that the firm's net income is
8% × 5,960,000 = 476,800.
Now that you know the firm's net income, you can calculate its profit margin by dividing its net income by its total sales. To do this, you need to know the firm's total sales.
You can use the firm's asset turnover ratio, which is equal to its total sales divided by its total assets, to calculate its total sales. In this case, the asset turnover ratio is 1.9, so you can set up the following equation:
asset turnover ratio = \(\frac{total \ sales}{total \ assets}\)
Plugging in the given values, you get:
\(1.9 =\frac {total \ sales }{5,960,000}\)
Solving for total sales, you find that the firm's total sales are
1.9 × 5,960,000 = 11,444,000.
Now that you know the firm's total sales, you can calculate its profit margin by dividing its net income by its total sales:
\(profit \ margin = \frac{net \ income}{total \ sales}\)
\(= \frac{476,800}{11,444,000}= 4.17%\)
Therefore, the firm's profit margin is 4.17%.
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PLEASE HELP ME IM BEING TIMED
The domain of the function is defined as 0 ≤ x ≤ 4.
option A is the correct answer.
What is the domain of a function?A domain of a function refers to "all the values" that can go into a function without resulting in undefined values.
So the domain of a function is the set of x values, while the range of a function is the set of y values.
From the given statement, the range of the function is defined as;
y = vt
where;
v is the speedt is the time of motiony = 60 mph x 4 hr
y = 240 miles
From the given statement, the domain of the function is defined as;
0 ≤ x ≤ 4
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What are the conditions for one-sample t-procedures?.
The conditions for conducting one-sample t-procedures are as follows:
1. Random Sample: The data should be obtained from a random sample or a randomized experiment to ensure that it is representative of the population of interest. This condition helps to minimize bias and ensure the validity of statistical inference.
2. Independence: The observations within the sample should be independent of each other. In other words, the values should not be influenced by each other and should be selected or measured independently. Violation of independence can lead to inaccurate results.
3. Normality or Large Sample Size (Central Limit Theorem): The population from which the sample is drawn should follow a normal distribution, or the sample size should be sufficiently large. If the population is known to be normally distributed, there are no specific requirements on the sample size. However, if the population distribution is unknown, the sample size should generally be at least 30 to apply the Central Limit Theorem, which states that the sample mean tends to follow a normal distribution, regardless of the population distribution shape.
4. Outliers: The presence of outliers can have a significant impact on the results of t-procedures. It is important to check for and address any outliers in the data. Outliers can distort the distribution and violate the assumptions of the t-test.
5. Equal Variances (for two-sample t-test): In the case of a two-sample t-test, if comparing two groups, the variances of the two populations should be equal. This assumption is necessary for calculating the correct degrees of freedom and obtaining accurate results. If the variances are not equal, a modified version of the t-test, called the Welch's t-test, can be used instead.
It is important to carefully assess these conditions before conducting one-sample t-procedures to ensure that the results are valid and reliable. Violations of these conditions may require alternative statistical tests or adjustments to the analysis.
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Can someone tell me what Pythagorean theorem is? I really need help.
Answer:
The sum of the squares of the two sides equals the square of the hypotenuse (a² + b² = c²).
Let's say you have a triangle with a 90º angle (also known as a right angle). The two equal legs are a and b while the hypotenuse is the longer side. Hypotenuse is and always will be c.
Here's a problem:
c ⊿ a (12)
b (6)
C is missing, we have to find C, so here's what we do:
Step 1: You square all the numbers in the equation
12² + 6² = c²
↓
144 + 36 = c
Step 2: You add 144 + 36 and you get 180
Step 3: Then you find the square root >> \(\sqrt{180\\\) and you get ≈13.4
Now sometimes, the a or b would be missing, for example:
c (13)⊿ a
b (5)
A is missing (when a or b is missing, use the following formula, do not use the same formula when c is missing)
Step 1: You square all the numbers in the equation
a² + 5² = 13²
a + 25 = 169
For this next part, you must subtract a or b (in this case, b) on both sides, for example:
25 – 25 = 169 - 25
25 – 25 cancels itself out so now we subtract 169 by 25 and we get 144.
Then we find the square root of 144 and we get 12
I hope this helps :)
help meeeeeeeeeeee pleaseeeeeeeeeeeeee!!
Answer:
Step-by-step explanation: I got 14.4 but I might be wrong and im sorry if I am
Kareem has $20,000 in his savings account that earns 5% annually. How much interest will he earn in one year?
Answer:
1000
Step-by-step explanation:
5% of my 20000 is 1000 so 21000 total or 1000 anually
if F(x)=x-5 and G(x)=x2what is G(F(x))?
A. x^2 - 5
B.x^2(x-5)
C. (x-5)^2
D. x^2 + x - 5
Answer:
C. g(f(x)) = \((x - 5)^{2}\)
Step-by-step explanation:
f(x) = x - 5
g(x) = \(x^{2}\)
g(f(x)) = \((x - 5)^{2}\)
a poker hand consists of two cards. what is the probability that the poker hand consists of two jacks or two fives? round your decimal answer to three places.
The probability that a poker hand consists of two jacks or two fives is approximately 0.009, or 0.9% when rounded to three decimal places.
To calculate the probability that a poker hand consists of two jacks or two fives, we need to determine the total number of possible two-card hands and the number of favorable outcomes (two jacks or two fives).
Step 1: Calculate the total number of possible two-card hands.
There are 52 cards in a standard deck. To form a two-card hand, we have 52 choices for the first card and 51 choices for the second card. Using the combination formula (nCr), the total number of possible hands is C(52, 2) = 52! / (2! * (52-2)!) = 1,326.
Step 2: Calculate the number of favorable outcomes.
There are 4 jacks and 4 fives in a deck, which gives us 8 possible cards to form our desired hands. For two jacks, there are C(4, 2) = 6 combinations. For two fives, there are also C(4, 2) = 6 combinations.
Step 3: Calculate the probability.
The total number of favorable outcomes is the sum of the combinations of two jacks and two fives, which is 6 + 6 = 12. Now, divide the number of favorable outcomes by the total number of possible hands:
Probability = (Number of favorable outcomes) / (Total number of possible hands) = 12 / 1,326 ≈ 0.00905
So, the probability that a poker hand consists of two jacks or two fives is approximately 0.009, or 0.9% when rounded to three decimal places.
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An artist is going to cut four similar right triangles from a rectangular piece of paper like the one shown to the right. What is BE to the nearest tenth when AC=13
The measurement of altitude BE is 4 unit.
What is an altitude?As the average level of the sea's surface, sea level is used to measure altitude. A high altitude is defined as being significantly higher than sea level, such as Mount Everest. It is referred to as having a low altitude when something is closer to the ground, like a plane coming in to land.
As ABCD is rectangle
AD = BC = 12
ΔABC = ΔBCD
BE = FD
5² = 3²+BE²
AE = 3
BE = √(5²-3²)
BE = 4
Thus, The measurement of altitude BE is 4 unit.
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Help me (7th grade math)
Answer:
The relationship is proportional. The slope or the constant of proportionality is 5. So the answer is the second option.
Step-by-step explanation:
x^2+12x+36=0 solve using factoring square roots or quadratic formula
Answer:
x = 6
Step-by-step explanation:
Equation: x² - 12x + 36 = 0
Quadratic formula: ax² + bx + c = 0 --> x = (-b ± √(b² - 4ac))/2a
Substitute: x = (12 ± √(12² - 4 * 36))/2
Multiply: x = (12 ± √(144 - 144))/2
Subtract: x = (12 ± 0)/2
Solve: x = 6
Determine whether each number is a solution:
2(m+1)<-6; -6,-4,-2
Answer:
-6
Step-by-step explanation:
if you set m to -6, you get -10 which is less than -6
if you set m to -4, you get -6 which is equal to -6
if you set m to -2, you get -2 which is greater than -6
Answer:
- 6 is a solution
Step-by-step explanation:
Solve the inequality
2(m + 1) < - 6 ( divide both sides by 2 )
m + 1 < - 3 ( subtract 1 from both sides )
m < - 4
From the given values - 6, - 4, - 2
- 6 is the only value less than - 4 and is a solution
how many ways are there to select a committee of five members of the department if at least one woman must be on the committee?
Answer: 16
Step-by-step explanation:
which number is a common factor 48 and 27
A 5
B 7
C 12
D 15
Answer:
no answer
Step-by-step explanation:
none of the numbers are factorable
Matthew bought 6 pairs of shoes for $160.80. If each of the pairs of shoes cost the same amount, what is the unit rate for a pair of shoes?
Answer:
$26.80/shoe
Step-by-step explanation:
What is the great number to start on 3x+1?
Answer: 0
Step-by-step explanation:
0 generally is our starting number since it's our y intercept on the graph, so it's most likely a point where you can start graphing.
Cassius Corporation has provided the following contribution format income statement.Assume that the following information is within the relevant range.Sales (7,000 units)$210,000Variable expenses136,500Contribution margin73,500Fixed expenses67,200Net operating income$6,300The number of units that must be sold to achieve a target profit of $31,500 is closest to:A) 42,000 unitsB) 16,400 unitsC) 35,000 unitsD) 9,400 units
Cassius Corporation needs to sell to make a profit of $31,500 to sell the number of units that needs to be sold is 9,400 units. It can be found this out by using a formula that takes into account the company's sales revenue, variable expenses, fixed expenses, and contribution margin.Therefore Option D is correct.
The contribution margin is the amount of money left over from sales revenue after deducting variable expenses. In this case, we know that Cassius Corporation's contribution margin is $73,500.
To find out how many units the company needs to sell, we can use the following formula:
(Number of units * Contribution margin per unit) - Fixed expenses = Target profit
We know that the fixed expenses are $67,200 and the target profit is $31,500.
The contribution margin per unit by dividing the contribution margin by the number of units sold, which in this case is 7,000 units. This gives us a contribution margin per unit of $10.50.
Substituting these values into the formula, we get:
(Number of units * $10.50) - $67,200 = $31,500
Simplifying this expression:
(Number of units * $10.50) = $98,700
Number of units = $98,700 / $10.50
Number of units = 9,400 (rounded to the nearest whole unit)
The number of units that must be sold to achieve a target profit of $31,500 is closest to 9,400 units. Option (D) is correct.
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PLEASE HELPP I CANT FIGURE THIS OUT
Answer:
The coefficient of the fourth term is 7.
Step-by-step explanation:
1. True
2. The second term is a counterexample.
3. The coefficient is 40.
4. The coefficient is 1.
Which of the following is not included in the cost of merchandise inventory? O Purchase discounts. O Purchase returns and allowances. O Purchase price of the inventory. O Freight costs paid by the seller. O Freight costs paid by the buyer. 4 pts 0 Question 2 Sunshine Cleaning purchased $3,500 worth of merchandise. The seller offered a 2% cash discount. Transportation costs for the buyer were an additional $310. The company returned $240 worth of merchandise and then paid the invoice within the discount period. The total cost of this merchandise is: O $3.570.00. O $3,500.00 O $3,332.00 O $3,430.00. $3,504.80 Question 5 A company has not sales of $759.300 and cost of goods sold of $548.300. Its not income is $10.280. The company's gross margin and operating expenses, respectively, are: O $211.000 and $230,750 $739.550 and $191,720 O $529,020 and $230.750 O $211.000 and $191,720 $230,750 and $529,020 4 pts D D Question 5 A company has not sales of $750,300 and cost of goods sold of $548,300. Its not income is $10.280 The company's groas margin and operating expenses, respectively, arm O $211,000 and $230,750 O $739,550 and $191,720 $529,020 and $230,750 O $211.000 and $191,720 O $230.750 and $529,020 Question 6 Sales less sales discounts, less sales returns and allowances equals: Cost of Goods Sold Net Income O Net Sales O Gross Profit 4 pts 4 pts Goods in transit are included in a purchaser's inventory: O At any time during transit. O After the half-way point between the buyer and seller, When the supplier is responsible for freight charges. When the goods are shipped FOB shipping point. OIf the goods are shipped FOB destination. Question 11 The inventory costing method that smooths out erratic changes in costs is: O LCM. O FIFO. OLIFO. O Specific Identification. O Weighted average. 4 t ne 0 Question 12 Krusty Krab has the following products in its ending inventory Compute lower of cost or market for inventory. applied separately to each product Inventory by Product Product Quantity Cost per Unit 500 $ 500 $ 30 600 Scuba Masks Scuba Sults O $265,000 O $290,000. O $250,000 $268,000 O $275,000. Question 13 Market per Unit $ 550 $ 25 If equity is $368,000 and liabilities are $186,000, then assets equal: O $554,000. $922,000. $368,000. $186,000. O $182,000. 2 pts
Question 1: The item not included in the cost of merchandise inventory is "Purchase discounts."
2: The total cost of the merchandise is $3,332.00.
5: The company's gross margin and operating expenses, are $211,000 and $191,720.
What is the cost of merchandise inventory?Merchandise inventory expenses normally consist of the price paid for the inventory, deductions from the purchase price resulting from purchase returns and allowances, and freight expenses paid by the purchaser.
Although purchase discounts reduce the cost of merchandise inventory, they are not considered part of it. Instead, they are treated as a distinct discount in the accounting records.
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nicole sold half of her comic books then bought 12 more . She now has 25 books. How many did she begin with.
Determine if the given relation is function or not. Give its domain and
range.
{(1, 6), (2, 7), (3, 8), (4, 9)}
Answer:
YesStep-by-step explanation:
According to definition of the function, it should have one-to-one relation.
We can see all pairs are unique, no repeated ranges for same domain.
Yes, this is a function.
Given relationship
(1,6)(2,7)(3,8)(4,9)Domain:-
{1,2,3,4}Range:-
{6,7,8,9}As every domain has an unique range it's a function
2. Find measure of arc AB.
Find mAB
A) 68
B) 78
C) 88
D) 98
Answer:
C) 88
Step-by-step explanation:
so we are given a circle, and m<ACB is 44°. We need to find the measure of arc AB
<ACB is an inscribed angle (it is inside the circle), and it intercepts the arc AB
Inscribed angle theorem is a theorem that states the measure of an inscribed angle is half of the measure of the arc it intercepts
which also means that the measure of the intercepted arc is twice the measure of the inscribed angle (this is because of how algebra works)
which means mAB=2m<ACB (inscribed angle theorem)
mAB=2*44° (substitution)
mAB=88° (algebra)
therefore, your answer is C
Hope this helps!
Which statement best explains whether or not a calculator is the most efficient way to simplify (0.68 – 0.38 – 0.2) × 2.3? Multiplying the amount in the parentheses by 2.3 will be a time-consuming process, so using a calculator would most likely be more efficient. Some of the decimals are to the tenths digit and others are to the hundredths, so using a calculator would most likely be more efficient. The calculations inside the parentheses are easily done by hand and yield a value easily multiplied by 2.3, so finding the solution by hand would most likely be more efficient. Multiplying any number by 2.3 can be done quickly by hand, so solving this problem by hand would most likely be more efficient.
The statement that best explains whether or not a calculator is the most efficient way to simplify (0.68 – 0.38 – 0.2) × 2.3 is A. Multiplying the amount in the parentheses by 2.3 will be a time-consuming process, so using a calculator would most likely be more efficient.
What is multiplication?In mathematics, multiplying means adding equal groups. The number of things in the group grows as we multiply. A multiplication problem includes the two factors and the product. In the multiplication problem 6 9 = 54, the numbers 6 and 9 are factors, and 54 is the product.
A product is the outcome of multiplication, or an expression that identifies the objects to be multiplied, known as factors.
Therefore, option A is the correct option as using the calculator is easier.
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