Answer:
3/1*1/4
Step-by-step explanation:
when you multiply 3/1 by 1/4
Answer:
3\4
Step-by-step explanation:
Solving Linear Equations (px + q = r)
Ava had $28.50 to spend at the farmer's market. After buying 3 pumpkins Ava, has $12 left.
Question 1 Which equation could you use to find the price of one pumpkin (x)? Responses
A 28.50/3 = x
B x + 12 = 28.50
C 3x − 12 = 28.50
D 3x + 12 = 28.50
Question 2 How much did Ava pay for each pumpkin?
Responses
A $5.25
B $5.50
C $6.30
D $4.75
The linear equation that represents the given literal problem is 3x+12= 28.50 (letter D) and Ava pays $5.5 (letter B) for each pumpkin.
Linear EquationAn equation can be represented by a linear function. The standard form for the linear equation is: y= mx+b , for example, y=9x+5. Where:
m= the slope.
b= the constant term that represents the y-intercept.
For the given example: m=9 and b=5.
The exercise presents two questions, before solving them, you should convert the given text information into equations.
Data question
Total of money= $28.50;Ava bought 3 pumpkins and you do not know the price (x) of the pumpkins;After the bought, Ava has $121) Question 1
Here you should write a linear equation that represents the given problem. Thus, you can write
3x+12= 28.50
Since 3x represents the payment of pumpkins and the value 12 is the difference between the total of Ava´s money and the total cost of pumpkins.
Therefore, the answer to question 1 is the letter D ( 3x+12= 28.50)
2) Question 2
As you know the equation that represents the problem, for solving this question you need to find the value of x.
3x+12= 28.50
3x=28.5-12
3x=16.5
x=16.5/3
x=5.5 (letter B)
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Which is the graph of the linear inequalityx-2y> -6?
Answer:
4th graph (in bottom right corner)
Step-by-step explanation:
First, convert the given equation into slope-intercept form.
Given :-
1/2x - 2y > -6
-2y > -1/2x - 6
2y < 1/2x + 6
y < 1/4x + 3
As the < sign indicates, the line will be dotted and the solution set will be towards the origin in this case.
The correct option is the 4th graph (in bottom right corner)
A recipe calls for 2 teaspoons of sugar for every 3 cups of flour.how much sugar will be needed for 9 cups of flour
Answer:
6 teaspoons of sugar.
Step-by-step explanation:
9cups/3cups=3 2tsp*3=6tsp
ZA and B are complementary angles. If mA = (6x + 22)° and m
ZB = (7x + 16)°, then find the measure of ZB.
carol bought 5 pork chops and 3 steaks. Each pork chop weigh 0.32 pounds and each steak weigh 0.8 pound. How many pounds of meat did carol buy in all
Answer:
4
Step-by-step explanation:
5 x 0.32 = 1.6
3 x 0.8 = 2.4
2.4 + 1.6 = 4
ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing.
Answer:
C. \(F(x) = -x^2 - 3\)
Step-by-step explanation:
The function, F(x), has flipped over the x-axis (as seen) meaning that the function has to have a negative sign in front. The function has also shifted downwards 3 units, meaning that 3 has to have been subtracted from the function.
This makes "C," the correct answer, as it fulfills these requirements.
can anyone help me with this, I gave a picture so you can figure it out
Answer:
X=2
Step-by-step explanation:
If the smaller triangle's base is 1.5ft and the bigger triangle's base is 6ft then in order to find x you have to find how much bigger the big triangle is compared to the small triangle in order to do that you have to divide 6 by 1.5 (6÷1.5) which is 4 now you know that the bigger triangle is 4 times as big as the smaller triangle now to find X divide the 8 by 4 (since the 8 is on the same side as the X only the 8 is on the bigger triangle) which is 2
The machinery in a cereal plant fills 350 g boxes of cereal. The specifications for the machinery permit for a certain amount of fill tolerance. It is found that the weights of filled cereal boxes are normally distributed with a mean of 350 g and a standard deviation of 4 g. What is the probability that a box of cereal is under filled by 5 g or more?
There is approximately an 89.44% probability that a box of cereal is underfilled by 5 g or more.
To find the probability that a box of cereal is underfilled by 5 g or more, we need to calculate the probability of obtaining a weight measurement below 345 g.
First, we can standardize the problem by using the z-score formula:
z = (x - μ) / σ
Where:
x = the weight value we want to find the probability for (345 g in this case)
μ = the mean weight (350 g)
σ = the standard deviation (4 g)
Substituting the values into the formula:
z = (345 - 350) / 4 = -1.25
Next, we can find the probability associated with this z-score using a standard normal distribution table or a statistical calculator.
The probability of obtaining a z-score less than -1.25 is approximately 0.1056.
However, we are interested in the probability of underfilling by 5 g or more, which means we need to find the complement of this probability.
The probability of underfilling by 5 g or more is 1 - 0.1056 = 0.8944, or approximately 89.44%.
Therefore, there is approximately an 89.44% probability that a box of cereal is underfilled by 5 g or more.
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give me the answer now
Answer:
what is the Question
Step-by-step explanation:
Bronco, Inc., imposes a payback cutoff of three years for its international investment projects.
Year Cash Flow (A) Cash Flow (B)
0 –$ 61,000 –$ 71,000
1 23,500 15,500
2 29,000 18,500
3 21,500 27,000
4 8,500 231,000
What is the payback period for both projects?
Answer:
4476966756TTTVFD
Step-by-step explanation:
the center of the equation below is (h,k), find h+k.
Answer:
The value of h+k is;
\(h+k=-3\)Explanation:
Given the equation;
\(81x^2-49y^2+324x-98y+4244=0\)Solving to derive the center of the function;
\(\frac{(y-k)^2}{b^2}-\frac{(x-h)^2}{a^2}=1\)Simplifying;
\(\begin{gathered} 81x^2-49y^2+324x-98y+4244=0 \\ 81x^2+324x-49y^2-98y+4244=0 \\ 81x^2+324x+324-49y^2-98y-49=-4244+324-49 \\ (81x^2+324x+324)-(49y^2+98y+49)_{}=-4244+324-49 \\ 81(x^2+4x+4)-49(y^2+2y+1)=-3969 \end{gathered}\)Dividing through by -3969;
\(\begin{gathered} \frac{81(x^2+4x+4)}{-3969}-\frac{49(y^2+2y+1)}{-3969}=\frac{-3969}{-3969} \\ \frac{(y+1)^2}{81}-\frac{(x+2)^2}{49}=1 \\ \frac{(y-(-1))^2}{9^2}-\frac{(x-(-2))^2}{7^2}=1 \end{gathered}\)So;
\(\begin{gathered} h=-2 \\ k=-1 \\ (h,k)=(-2,-1) \end{gathered}\)Therefore, the value of h+k is;
\(\begin{gathered} h+k=-2+(-1) \\ h+k=-2-1 \\ h+k=-3 \end{gathered}\)The movement of the progress bar may be uneven because questions can be worth more or less (including zera
Round 608 to the nearest hundred.
O 610
Type here to search
O 700
O 500
O 600
4
Oi
1
Answer:
600
Step-by-step explanation:
Because the tens digit is less than 5, round down to 600
Joanne bought 50 goldfish, 60% of them were female. When some female goldfish died,
the percentage of the female goldfish decreased by 30%?
a) How many male goldfish were there?
b) How many female goldfish died?
Answer:
a) 20 male fish
b) 9 female fish died
Step-by-step explanation:
total 50 gold fish that means 100%
so 1% means 0.5
then 60% means 0.5 x 60 = 30 female fish
after 30% female fish died from the 60% it becomes
\(30*\frac{30}{100} = 9\)
so it becomes 9 female fish now
a) ealier we had 30 female fish then the male fish are 20
b) ealier we had 30 female fish and from that 9 died
The accompanying table categorizing each student in a sample according to gender and eye color appeared in the article "Does Eye Color Depend on Gender? It Might Depend on Who or How You Ask"
Suppose that one of these 2026 students are randomly selected. Let F denote the event that the selected individual is a female, and A, B, C, and D represent the events that he or she has blue, brown, green, and hazel eyes, respectively.
Eye colour
Gender Blue Brown Green Hazel Total
Male 370 352 198 187 1107
Female 359 290 110 160 919
Total 729 642 308 347 2026
A. Calculate both P(F) and P(C).
B. Calculate P(F C). Are the events F and C independent? Why or why not?
C. If the selected individual has green eyes, what is the probability that he or she is a female?
D. If the selected individual is female, what is the probability that she has green eyes?
Answer:
Kindly check explanation
Step-by-step explanation:
Given the data:
Gender Blue _ Brown _ Green _ Hazel _ Total
Male __ 370 _ 352 ___ 198 ___ 187 ___ 1107
Female_ 359 _ 290 ___ 110 ___ 160 ___ 919
Total __ 729__ 642 ___ 308 __ 347___ 2026
P(F) - probability of female
P(A) - Probability of blue
P(B) - Probability of brown
P(C) - Probability of green
P(D) - Probability of hazel
A. Calculate both P(F) and P(C).
P(F) = total Females /total number of students
P(F) = 919 / 2026 = 0.454
P(C) = total number of green eye / total students
P(C) = 308 / 2026 = 0.152
B. Calculate P(FnC). Are the events F and C independent? Why or why not
P(FnC) = number of green-eyed female / total students
P(FnC) = 110 / 2026 = 0.054
For independent event :
P(F) * P(C) = P(FnC)
0.454 * 0.152 = 0.069
P(FnC) = 0.054
Hence, P(F) * P(C) ≠ P(FnC) ; hence event aren't independent
C. If the selected individual has green eyes, what is the probability that he or she is a female?
P(F|C) = P(FnC) / P(C)
P(F|C) = (110 / 2026) ÷ (308/2026)
P(F|C) = 110/2026 * 2026/308
P(F|C) = 110/308 = 0.357
D. If the selected individual is female, what is the probability that she has green eyes?
P(C|F) = P(FnC) / P(F)
P(C|F) = 110/2026 ÷ 919/2026
P(C|F) = 110/2026 * 2026/919
P(C|F) = 110/919
= 0.121
A tank contains 2760 L of pure water. Solution that contains 0.08 kg of sugar per liter enters the tank at the rate 3 L/min, and is thoroughly mixed into it. The new solution drains out of the tank at the same rate.
(a) How much sugar is in the tank at the begining? Y(0)= (kg)
(b) Find the amount of sugar after t minutes. y(t)= (kg)
(c) As t becomes large, what value is y(t) approaching ? In other words, calculate the following limit y(t) as t approcahes infinity. (kg)
a) the initial condition as 0 kg sugar in the tank at time = 0 (pure water)
b) with the net rate of change the amount of sugar after t minutes is S(t) = 236.8 [1 - e (t/740)]
c) time goes to infinity, the amount of sugar in is 236.8 kg.
a) Let A(t) denote the amount of sugar in the tank at time. The tank starts with only pure water, so A(0) = 0 OR you can say that you give the initial condition as 0 kg sugar in the tank at time = 0 (pure water)
b) Sugar flows in at a rate of (0.07 kg/L) * (7 L/min) = 0.49 kg/min = 49/100 kg/min and flows out at a rate of (A(t)/1080 kg/L) * (7 L/min) = 7A(t)/1080 kg/min, so that the net rate of change of is governed by the ODE, multiply both sides by the integrating factor to condense the left side into the derivative of a product, if t = time and S(t) is the amount of sugar in the tank as a function of time, then the equation that we get is S(t) = 236.8 [1 - e (t/740)]
c) As t---> ∞, the exponential term converges to 0 and we're left with the means when time goes to infinity, the amount of sugar in is 236.8 kg.
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What is the product of 79 x 81 and explain.
Answer:
79x81 = 6399
Step-by-step explanation:
Please help me with this question!:))
Answer:
6
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
the two lines mean absolute value. The absolute value of a number is just the number positive. For example the absolute value of -5 is 5 and the absolute value of 5 is 5. So on C, when you plug in -6, you get the absolute value of -6 which is 6. 6 is not greater than 6
if that makes sense :)
Miguel went to a movie theater and bought a large bag of popcorn that cost $10.49. To avoid
spending too much money in all, he determined that he could spend up to $5.51 on a drink.
Let x represent how much money Miguel wanted to spend in all. Which inequality describes
the problem?
x - 10.49 >
5.51
4
Submit
x - 10.49 <
5.51
Solve the inequality. Then, complete the sentence to describe the solution.
Miguel wanted to spend at most $15.91 in all.
Answer:75.6
Step-by-step explanation:
Jaylen bed is 6 feet long and his desk is 3 feet long. he wants to leave a two foot space between his bed and desk. if there is 125 inches available along the wall, is there enough room for Jaylen to fit his bed and desk?
PLEASE HELP!!!
Shade 30% of the whole grid.
How much blocks do i shade?
Answer:
Shade 6
Step-by-step explanation:
There are 20 squares in the grid. Multiply 0.30 (percentages are written as decimals) by 20. There's your answer.
Ms. Gloria knows that 20% of her pencils she lends to her students will not be returned to her every year. She starts the year with 175. How many can Ms. Goitia expect to be returned this year?
Mary walk 3 miles one day and 34 the next, how many miles did she walk in all
Answer: 37 miles
Step-by-step explanation: we just need to add the 3 miles to the 34 miles she walked so basically we just need to do 34 + 3 = 37 hope this helps yall out
Applying the Right Triangle Altitude Theorem. Which similarity statement is true?
The true similarity statement are using Right Triangle Altitude Theorem :
ΔABD similar to ΔBCD
ΔABC similar to ΔADB
ΔABC similar to ΔBDC
Two triangles are said to be similar if the triangles are of the same shape but different size. The angles of the triangle will be equal and the sides are proportional.
By the Right Triangle Altitude Theorem,
If the altitude of a triangle is drawn to the hypotenuse of a right angled triangle, then the triangles formed by the division are similar to each other and both are similar to the original triangle.
Using this,
ΔABD similar to ΔBCD
ΔABC similar to ΔADB
ΔABC similar to ΔBDC
Hence the true statements are ΔABD similar to ΔBCD, ΔABC similar to ΔADB, ΔABC similar to ΔBDC.
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The complete question is given below.
sum
one help pretty pleasededeeee
The function N for d days of both rumors are N(d) = 2 + 5d and N(d) = 2(3)^d
How many students know the rumor on day 0Here, the number of students are the students that start the rumor i.e. Susanna and Liz
So, we have
JB = 2 studentsRihanna = 2 studentsHow many students know the rumor on day 2For the Justin Beiber rumor, the rumor spreads at a linear rate of 5 per day
So, we have
JB day 2 = 2 + 5(2) = 7
For the Rihanna rumor, the rumor spreads at an exponential rate of 3
So, we have
Rihanna day 2 = 2 * (3)^2 = 18
Days for students to knowUsing the functions, we have
JB
2 + 5x = 32 students
5x = 30
x = 6 days
Rihanna
2(3)^x = 162 students
3^x = 81
x = ln(81)/ln(3)
x = 4 days
The function N for d daysJB
N(d) = 2 + 5d
Rihanna
N(d) = 2(3)^d
So, we have
d JB Rihanna
0 2 2
1 7 6
2 12 18
3 17 54
4 22 162
5 27 486
6 32 1458
7 37 4374
8 42 13122
9 47 39366
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100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
(A) Triangle ABC, and triangle QPR are similar based on side-side-side (SSS) similarity.
(B) Triangle ABC and triangle DEF are similar based on side-side-side (SSS) similarity.
(C) ) Triangle STU and triangle JPM are similar based on side-angle-side (SAS) similarity.
(D) ) Triangle SMK and triangle QTR are similar based on angle-angle (AA) similarity.
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths.
The triangle similarity criteria are:
AA (Angle-Angle)SSS (Side-Side-Side)SAS (Side-Angle-Side)(A) Triangle ABC, and triangle QPR are similar based on side-side-side similarity.
12/8 = 9/6
1.5 = 1.5
(B) Triangle ABC and triangle DEF are similar base on side-side-side similarity as shown in the side lengths.
(C) ) Triangle STU and triangle JPM are similar base on side-angle-side similarity.
14/10 = 21/15
1.4 =
(D) ) Triangle SMK and triangle QTR are similar base on angle-angle similarity.
SMK = 90⁰, 60⁰, 30⁰
QTR = 90⁰, 30⁰, 60⁰
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I WILL GIVE BRAINLIEST
Given the function: f(x)= 3x+6. What is the inverse function of f(x)?
The picture above provides the answer choices and the function given.
Answer:
Concept: Inverse Functions
We want the inverse of a root function which is x^1/2 Now we combine that result to get \( {f}^{ - 1} (x) = \frac{ { x }^{2} }{3} - 2\)Rate brainlistthe tennis team is having a bake sale.Cookies sell for $1 each and cupcakes are $3 each .Of Dj spends $15 for 7 items,how many cupcakes did he buy?
Answer:
4 cupcakes
Step-by-step explanation:
Answer:
4
cupcakes
Step-by-step explanation:
This is because it says the cupcakes are 3$ each. if you buy 7 items for 15$
3x4=12.
5. Determine the value of t4 in an arithmetic sequence given that t₁ = 11 and S9 = 243.
The value of t₄ in the arithmetic sequence is 103/8.To determine the value of t₄ in an arithmetic sequence, we need to use the given information that t₁ = 11 (the first term of the sequence) and S₉ = 243 (the sum of the first 9 terms of the sequence).
We know that the formula for the sum of an arithmetic sequence is Sₙ = (n/2)(2a + (n-1)d), where Sₙ is the sum, a is the first term, n is the number of terms, and d is the common difference.
From the given information, we have S₉ = 243, a = 11, and n = 9. Plugging these values into the sum formula, we can solve for d:
243 = (9/2)(2(11) + (9-1)d)
243 = 9(22 + 8d)
243 = 198 + 72d
45 = 72d
d = 45/72 = 5/8
Now that we have the common difference, we can find t₄ using the formula for the nth term of an arithmetic sequence:
tₙ = a + (n-1)d
t₄ = 11 + (4-1)(5/8)
t₄ = 11 + 3(5/8)
t₄ = 11 + 15/8
t₄ = 88/8 + 15/8
t₄ = 103/8
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what is the quotient to 2 1/5 divided by 6 3/5 int he simpliest form
Answer:
1/3
Step-by-step explanation:
2 1/5 divided by 6 3/5 = 1/3
Answer:
3.6666...
Step-by-step explanation:
2 \(1/5\)=11/5
11/5=2.2
2.2 divided by 3/5
=3.666666666...
Hope this helped! :)
A right triangle A right triangle has a hypotenuse of 24 cm and a height of 16 cm. What is the approximate perimeter of the triangle?
The approximate perimeter of the right triangle is 57.89 cm.
To find the perimeter of the right triangle, we need to know the lengths of the other two sides.
Let's use the Pythagorean theorem, which asserts that the hypotenuse (the longest side) of a right triangle has a square whose sum is equal to the squares of the other two sides.
In this case, we know the length of the hypotenuse is 24 cm and the height (one of the other sides) is 16 cm. Let's call the third side x.
So we have:
\(24^2 = 16^2 + x^2\)
Simplifying, we get:
\(576 = 256 + x^2\)
Subtracting 256 from both sides, we get:
\(320 = x^2\)
Taking the square root of both sides, we get:
x ≈ 17.89
So the approximate perimeter of the triangle is:
P = 24 + 16 + 17.89 ≈ 57.89 cm
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