Answer:
225 students
Step-by-step explanation:
600 students, and \(\frac{3}{8}\) of students walk to school
\(600 * \frac{3}{8} = 225\)
225 students can be expected to walk to school
Here is an expression: 5x2w evaluvate the expression when w=3
Answer:
30Step-by-step explanation:
Given Equation,
5 × 2w
Given Value,
w = 3
Then,
5 × 2(3)
= 5 × 6
= 30 (Ans)
Question 9 of 60
Which symbol correctly compares the fractions below? 3/7 ? 4/14
O A. =
B. >
O C. <
OD. None of these are correct.
SUBMIT
Will give Brainliest. Amoli and Ella are converting measurements between inches and feet. Amoli says that the constant of proportionality is 12. Ella says it is 1/12. Who do you agree with? Explain your thinking.
Charlie and Andy are driving towards a new ocean resort. Charlie’s car is 20 miles west of the resort traveling at 40 mph while Andy’s car is 45 miles north of the resort traveling at 69 mph. The situation is shown in the illustration
11. Convert the number to scientific notation.
0.000001019
1.02 x 10-⁹
1.02 x 10-6
10.19 x 10-7
1.02 x 106
Bandhan Bank employee salary after 10 years
Answer:
- Banking Operations salary in India with less than 1 year of experience to 10 years ranges from ₹ 1.4 Lakhs to ₹ 7 Lakhs with an average annual salary of ₹ 3.1 Lakhs based on 261 latest salaries
Solve for x.
(Round to the nearest hundredth)
Answer:
x=26.44
rounded to the nearest hundredth.
Step-by-step explanation:
Soh Cah Toa
We need opposite for x and adjacent for 44
Length × Tan (Angle)
44 × Tan (31)=26.43786724
1. (a) The life time of a certain brand of bulbs produced by a company is normally distributed, with mean 210 hours and standard deviation 56 hours. What is the probability that a bulb picked at random from this company’s products will have a life time of:
(i) at least 300 hours,
(ii) at most 100 hours,
(iii) between 150 and 250 hours.
(b) In a contest, two friends, Kofi and Mensah were asked to solve a problem. The
probability that Kofi will solve it correctly is ' and the probability that Mensah
(
will solve it correctly is ) . Find the probability that neither of them solved it correctly.
*
Answer:
1a) (i) 0.0537
(ii) 0.0250
(iii) 0.6188
1b) The probability that neither Kofi nor Mensah solves the problem correctly = (9/20) = 0.45
Step-by-step explanation:
The complete Question is presented in the attached image to this answer.
1a) This is a normal distribution problem with
Mean lifetime of bulbs = μ = 210 hours
Standard deviation = σ = 56 hours
(i) at least 300 hours, P(x ≥ 300)
We first standardize 300 hours
The standardized score for any value is the value minus the mean then divided by the standard deviation.
z = (x - μ)/σ = (300 - 210)/56 = 1.61
To determine the required probability
P(x ≥ 300) = P(z ≥ 1.61)
We'll use data from the normal probability table for these probabilities
P(x ≥ 300) = P(z ≥ 1.61) = 1 - P(z < 1.61)
= 1 - 0.94630 = 0.0537
(ii) at most 100 hours, P(x ≤ 100)
We first standardize 100 hours
z = (x - μ)/σ = (100 - 210)/56 = -1.96
To determine the required probability
P(x ≤ 100) = P(z ≤ -1.96)
We'll use data from the normal probability table for these probabilities
P(x ≤ 100) = P(z ≤ -1.96) = 0.0250
(iii) between 150 and 250 hours.
P(150 < x < 250)
We first standardize 150 and 250 hours
For 150 hours
z = (x - μ)/σ = (150 - 210)/56 = -1.07
For 250 hours
z = (x - μ)/σ = (250 - 210)/56 = 0.71
To determined the required probability
P(150 < x < 250) = P(-1.07 < z < 0.71)
We'll use data from the normal probability table for these probabilities
P(150 < x < 250) = P(-1.07 < z < 0.71)
= P(z < 0.71) - P(z < -1.07)
= 0.76115 - 0.14231
= 0.61884 = 0.6188 to 4 d.p.
1b) Probability that Kofi solves the problem correctly = P(K) = (1/4)
Probability that Mensah solves the problem correctly = P(M) = (2/5)
Probability that Kofi does NOT solve the problem correctly = P(K') = 1 - P(K) = 1 - (1/4) = (3/4)
Probability that Mensah does NOT solve the problem correctly = P(M') = 1 - P(M) = 1 - (2/5) = (3/5)
To find the probability that neither of them solves the problem correctly, we first make the logical assumption that the probabilities of either of them solving the problem are independent of each other.
Hence, the probability that neither of them solves the problem correctly = P(K' n M')
P(K' n M') = P(K') × P(M') = (3/4) × (3/5) = (9/20) = 0.45
Hope this Helps!!!
Given the triangle as marked below, find the measure of each angle.
Answer:
x = 15
K = 88
J = 46
L = 46
Step-by-step explanation:
since KJ = KL, triangle is an isosceles triangle. So J = L
3x + 1 = 5x - 29
5x - 3x = 29 + 1
2x = 30
x = 30/2
x = 15
J = 3x + 1 = 3(15) + 1 = 45 + 1 = 46
L = 5x - 29 = 5(15) - 29 = 75 - 29 = 46
K = 180 - (J + L) = 180 - (46 + 46) = 88
What are the solutions to this equation?
5-3√(x² - 9) = 7
Answer:
x = - 1 , x = 1
Step-by-step explanation:
5 - \(\sqrt[3]{x^2-9}\) = 7 ( subtract 5 from both sides )
- \(\sqrt[3]{x^2-9}\) = 2 ( multiply both sides by - 1 )
\(\sqrt[3]{x^2-9}\) = - 2 ( cube both sides to clear the radical )
x² - 9 = (- 2)³ = - 8 ( add 9 to both sides )
x² = 1 ( take square root of both sides )
x = ± \(\sqrt{1}\) = ± 1
that is solutions are x = - 1 , x = 1
help!!!! please <33333
Hello!
For this you would just need to multiple straight across. Here's how you would set it up:
3/4 ·1/8
Then you would multiple 3 x 1 = 3
And 4 x 8 =32
Your answer should be 3/32, it cannot be simplified so that is the final answer :).
si ABCD son los vertices de un cuadrado y A(2,2) y C (10,8) 2 vertices opuestos. Hallar los otros dos vertices, dar como respuesta la mayor de las ordenadas
The area of the square is given as 100 square unit
How to determine the area of square?You should be aware that the square has all its sides equal
The perpendicular from opposite vertices represent distance
The given vertices are
(2,2) and (10,8)
Using the formula for distance between two points
d=√(10-2)²+(8-2)²
d=√8²+6²
d = √64+36
d=√100
This implies that d=10
The area of a square is given as s²
Area = 10²
Atrea = 100 square units
In conclusion, the area of the square is 100 square units
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Translated question:
The vertices of a square ABCD are A(2,2) and B(10,8), Find the area of the square
01:16:12
What are the dimensions of the rectangle?
A rectangle has an area of 40 square units. The length
is 6 units greater than the width
O 8 by 5
10 by 4
11 by 9
13 by 7
Answer:
its b
Step-by-step explanation:
The requried dimensions of the rectangle are 10 by 4. Option B is correct.
What is a rectangle?The rectangle is 4 sided geometric shape whose opposites are equal in lengths and all angles are about 90°.
Here,
To solve the problem, we can use the formula for the area of a rectangle, which is:
area = length x width
We also know that the length is 6 units greater than the width, which we can express as:
length = width + 6
We can substitute this expression for length into the formula for area, giving us:
area = (width + 6) x width
area = width² + 6width
We are given that the area is 40 square units, so we can set up the equation:
40 = width² + 6width
We can rearrange this equation into the standard quadratic form:
width² + 6width - 40 = 0
We can then use the quadratic formula to solve for the width:
width = (-b ± √(b² - 4ac)) / 2a
Plugging in the values of a, b, and c from the quadratic equation above, we get:
width = (-6 ± √(6² - 4(1)(-40))) / 2(1)
width = (-6 ± √(196)) / 2
width = (-6 ± 14) / 2
So we have two possible values for the width:
width = (-6 + 14) / 2 = 4
or
width = (-6 - 14) / 2 = -10
Since the width cannot be negative, we can reject the second solution. Therefore, the width of the rectangle is 5 units.
We can use the expression for the length in terms of the width to find the length:
length = width + 6 = 4 + 6 = 10
Therefore, the dimensions of the rectangle are 10 by 4.
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What is the sum of the 8th square number and the 3rd cube number?
Answer:
I'm pretty sure it's 91
Step-by-step explanation:
8th square number is 64 and the 3rd cube number is 27 so add them together and you get 91
How are the two angles related?
The two angles are related in that they are supplementary angles
Supplementary angles would add tuo to 180 degrees according to the angle Theorem.
Adding the two given angles :
52+128 = 180These angles are supplementary
The angles aren't vertical in that , vertical angles should have the same vertex. Complementary angles on the other hand add to 90 degrees. While the angles doesn't share the same side, hence, they aren't adjacent.
Hence, the angles are related as they are supplementary angles .
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HELP ME NOW AND PLEASE!!! i need you to identify the mesurement of EHF
THIS IS TOO STRESS FUL
Answer:
63*
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
What property of real numbers does each statement demonstrate? a + (-a) = 0 A Additive Inverse B Commutative Property of Addison c Associative Property of Addron o Distributive Property
solution
For this case the best way to solve this problem
a +(-a)=0
Is using the :
A. Additive inverse property
What is the answer for P=, cost, and labor?
9514 1404 393
Answer:
P = 160x +220ycost: 50x +70y ≤ 7400labor: 20x +25y ≤ 3500Step-by-step explanation:
As with all cost problems, the total cost is the sum of products of number of items and item unit cost. Here, the items are acres of crops, and their unit costs are the respective cost per acre.
cost: 50x +70y ≤ 7400
Labor hours are added in similar fashion. The unit costs for labor hours are hours per acre for the different crops
labor: 20x +25y ≤ 3500
The profit function follows the same pattern:
P = 160x +220y
Use the graph to determine
A) The function’s domain
B) The function’s range
C) The X-intercepts
D) Y-intercepts
E) The missing function values indicated by question marks below
Answer:
a. Domain : All Real Numbers
b. Range: y≥ -1
c. The x-intercepts are (0,0) and (-4,0)
d. The y-intercept is (0,0).
e. f(2)=3
f(-2)=-1
Step-by-step explanation:
If this has helped you please mark as brainliest
What is 3x + 4 (−x − 5) when x = 5?
A −25
B −10
C 15
D 55
Answer:
A. -25
Step-by-step explanation:
3x + 4 (-x - 5)
3x + 4 (-10)
15+4(-10)
15 + (-40)= -25
A fair die is rolled 12 times. Consider the following three possible outcomes:(i) 6 5 4 3 2 1 6 5 4 3 2(ii) 1 1 1 1 1 1 1 1 1 1 1(iii) 3 6 2 1 5 4 2 5 1 6 4 3Which of the following is true?A. The three outcomes are equally likely.B. It is absolutely impossible to get sequence (ii).C. (i) is more likely than (ii).D. (iii) is more likely than (i) or (ii).E. Both (C) and (D) are true.
Answer:
A. The three outcomes are equally likely
Step-by-step explanation:
Given
\((i)\ 6, 5, 4, 3, 2, 1, 6, 5, 4, 3, 2, 1\)
\((ii)\ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1\)
\((iii)\ 3, 6, 2, 1, 5, 4, 2, 5, 1, 6, 4, 3\)
Required
Which of the options is true
The sample space of a fair die is:
\(S = \{1,2,3,4,5,6\}\)
And the probability of each (in a single roll) is:
\(P(x) = \frac{1}{6}\)
In 12 rolls, the probability would be:
\(P(x) = (\frac{1}{6})^{12}\)
What this means that the elements of the sample space have equal probability of showing up.
So, events (i), (ii) and (iii) are equally likely
Solve for the missing variables.
x= ?
y= ?
The question is in the screen shot pls help!!
Answer:
He wrote commutative instead of associative in step 2.
Step-by-step explanation:
I will give you brainiest if you answer this! Thank you
Directions: Pretend you are at a carnival, and one of the carnival games asks you to pick a door and then pick a curtain behind the door to choose a prize. There are 3 doors and 4 curtains behind each door.
Please write in complete sentences
The questions :
How many choices are possible for the player?
How can a tree diagram help find all the choices?
What is the first choice?
What is the second choice?
Describe possible outcomes of tree diagram
There are 12 possible οutcοmes.
A tree diagram will visualise all 12 choices at one place.
The first choice is Dοοr 1, Curtain 1 & second choice is Dοοr 1, Curtain 2.
What is tree diagram?A tree diagram is a visual tοοl that can help tο οrganize all the pοssible οutcοmes οf a randοm event, such as chοοsing a dοοr and a curtain behind the dοοr.
Here,
3 doors and 4 curtains behind them
i.e. \(^3C_1 \times ^4C_1\)
= 3 × 4
= 12
Hence there are 12 possible οutcοmes
The tree diagram wοuld have three branches, οne fοr each dοοr, and each branch wοuld have fοur sub-branches, οne fοr each curtain behind the dοοr. The end pοints οf the branches wοuld represent all the pοssible οutcοmes οf the game.
The first chοice is tο chοοse οne οf the three dοοrs.
The secοnd chοice is tο chοοse οne οf the fοur curtains behind the chοsen dοοr.
Pοssible οutcοmes οf the tree diagram cοuld be as fοllοws:
Dοοr 1, Curtain 1
Dοοr 1, Curtain 2
Dοοr 1, Curtain 3
Dοοr 1, Curtain 4
Dοοr 2, Curtain 1
Dοοr 2, Curtain 2
Dοοr 2, Curtain 3
Dοοr 2, Curtain 4
Dοοr 3, Curtain 1
Dοοr 3, Curtain 2
Dοοr 3, Curtain 3
Dοοr 3, Curtain 4
Each οf these οutcοmes is equally likely, assuming that the player has nο infοrmatiοn abοut what is behind each curtain.
Tree diagram is given below in attachment
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$ 350 is shared in the ratio 2:5. The SMALLER share is
Answer:
$100
Step-by-step explanation:
sum the parts of the ratio, 2 + 5 = 7 parts , then
$350 ÷ 7 = $50 ← value of 1 part of the ratio , then
2 parts = 2 × $50 = $100 ← smaller share
Look for factors that will help you determine what type of economy exists in Country A.
Based on the clues in this passage, what type of economy does Country A have?
developed
developing
transitioning
command
Based on the limited information provided, it is not possible to definitively determine the type of economy in Country A. More specific details and factors would be necessary to make a conclusive determination.
The elves and reindeer are
getting ready for a meeting with
Santa. 15 of them have arrived
so far. If they have 40 legs
between them, how many elves
are at the meeting and how
many reindeer are at the
meeting?
G
Answer:
10 elves and 5 reindeerStep-by-step explanation:
Let the number of elves be x and reindeer be y, then we have equations:
x + y = 152x + 4y = 40Simplify the second equation and subtract the first one:
x + 2y = 20(x + 2y) - (x + y) = 20 - 15y = 5Then find x:
x = 15 - 5 = 1010 elves and 5 reindeer at the meeting
manual spent 4.56 on a sandwich and 2.98 on a drink How much did he spend in all? If he paid with a 10$ bill how much change did he get
Manual paid with a $10 bill and he got $2.46 as a change.
What is subtraction?Subtraction is an arithmetic operation that represents the operation of removing objects from a collection. Subtraction is signified by the minus sign, −.
Money spent on sandwich=$4.56 and money spent on drink=$2.98.
We need to find out how much did he spend in all.
That is, the total money spent=4.56+2.98=$7.54
He paid with a $10 bill, he gets change as 10-7.54=$2.46
Hence, he paid with a $10 bill and he got $2.46 as a change.
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samantha is making punch for a class picnic. there are 25 students in her class. Samantha uses 1 gallon 2 quarts of orange juice, 3 quarts of lemonade, and 1 gallon 3 quarts of sparkling water. How much punch did samantha make? will there be enough for each student to make two 1 cup servings of punch?
Answer:
4 gallonsyesStep-by-step explanation:
A quart is 1/4 gallon, so the total of liquid ingredients for the punch is ...
(1 2/4 gal) +(3/4 gal) +(1 3/4 gal) = 2 8/4 gal = 4 gal
Samantha made 4 gallons of punch.
__
1 cup is 1/16 gallon, so 2 cups each for 25 students requires ...
(1/16 gal)(2)(25) = 50/16 gal = 3 1/8 gal
Samantha made more punch than that, so there will be enough for 2 1-cup servings for each student.
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Can anyone give me the answers to 1-3 in the picture
Find the slope of each line. Determine whether the lines are parallel perpendicular or neither