I don't know the answer pls help fast I don't get it 25 points pls answer quick
V = 1/3 x B x H
Solve for B:
Multiply both sides by 3:
3v = B x H
Divide both sides by H
B = 3V/H
The answer is C
An equation is shown.
23x = 24
What value of x makes the equation true?
Answer:
all of them are right answers
\(x = \frac{24}{23 \\ } \)
or
\(x = 1.04\)
or
\(x = 1 \frac{1}{23} \)
On a bus, there are 5 men, 8 women, 15 boys and 12 girls. Writing in the simplest form, what is the ratio of:
A) Men: women?
B) Women: men?
C) Boys: girls?
D) Women: girls?
E) Men: total?
F) Males: females?
find the error & explain why it is wrong: jon had to solve the equation below. what did he do wrong?
Answer:
Step B is incorrect because the factors of \(x^2 + 4x + 3\) should be:
\((x + 3)(x + 1)\)
Below is a recipe for chocolate chip cookies. The recipe makes 27 cookies. How many teaspoons of vanilla extract do you need to make 24 cookies? Round to the nearest hundredth if needed.
Answer: 1.78 teaspoons
Step-by-step explanation:
The recipe says: 27 cookies/2 teaspoons Vanilla extract. Let's abbreviation this conversion factor as (27/2)C/V, where C is cookie and V is 1 teaspoon vanilla extract. We have both 13.5C/V and 1V/13.5C as conversion factors. 13.5 cookies is equivalent to 1 teaspoon vanilla, or 1 teaspoon vanilla is equivalent to 13.5 cookies. We can multiply ofr divide either of these factors, since they are both equivalent to 1, and you can mukltiply or divide anything by 1 without changing it's accuracy. The atual numbers will change, but the units will also change, making it a valid result.
We want 24 cookies. Use one of the conversion factors to find the teaspoons vanilla extract required:
1) We can divide by (27C/2V)
24C/((27C/2V) = 1.78 teaspoons
or
2) we can multiply by (1V/13.5C)
24C*(1V/13.5C) = 1.78 teaspoons
It has been theorized that pedophilic disorder is related to irregular patterns of activity in the ____ or the frontal areas of the brain. a) cerebellum b) hippocampus c) amygdala d) prefrontal cortex
It has been theorized that pedophilic disorder is related to irregular patterns of activity in the prefrontal cortex or the frontal areas of the brain. Option D
What is the prefrontal cortex?The prefrontal cortex is an essential part of the brain that has a crucial function in managing executive functions, making logical choices, controlling impulses, and regulating social behavior.
A potential reason for deviant sexual desires and actions in people with pedophilic disorder could be attributed to a malfunctioning region or regions in the brain.
It is crucial to carry out more studies with the aim of identifying the exact neural elements and mechanisms involved, due to the incomplete comprehension of the neurobiological basis of the pedophilic disorder.
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what is the area of the square units ? W (11,2), X (11,8), Y (14,8), Z (14,2)
Answer:
18 units²
Step-by-step explanation:
Find the side lengths then multiply the length and width to find the area.
Determine the distance between the points (-5, -3) and (-10, -8).
O√7 units
O √48 units
O√50 units
O√250 units
The distance between points ( -5 , -3 ) and ( -10 , -8 ) is AB = \(5\sqrt{2}\) Units
What is Distance Formula ?The Pythagorean theorem is used to calculate the distance between two points using the distance formula. Rewriting the Pythagorean theorem as d = \(\sqrt{(x_{1} - x_{2}) ^{2} + (y_{1}-y_{2} ) ^{2} }\) to calculate the separation between any two locations.
According to the given information
Let one point be \((x_{1},y_{1})\) = ( -5 , -3 )
Let second point be \((x_{2} , y_{2})\) = ( -10 , -8 )
According to the distance formula
AB = \(\sqrt{(x_{1} - x_{2}) ^{2} + (y_{1}-y_{2} ) ^{2} }\)
AB = \(\sqrt{(-5 + 10) ^{2} + (-3+8 ) ^{2} }\)
AB = \(\sqrt{5^{2}+5^{2} }\)
AB = \(\sqrt{50}\)
AB = \(5\sqrt{2}\) Units
The distance between points ( -5 , -3 ) and ( -10 , -8 ) is AB = \(5\sqrt{2}\) Units
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A deli uses rye bread for (4)/(5) of the sandwiches ordered. Of those, (1)/(3) are ham sandwiches. What fraction of all the sandwiches that the deli makes is a ham sandwich on rye bread?
The fraction of all the sandwiches that are ham sandwiches on rye bread is 4⁄15.
To find the fraction of all the sandwiches that are ham sandwiches on rye bread, we need to multiply the fraction of sandwiches that use rye bread by the fraction of those that are ham sandwiches.
Here's how we can do that:
1. Start with the fraction of sandwiches that use rye bread: (4)/(5)
2. Multiply that by the fraction of those that are ham sandwiches: (1)/(3)
3. Multiply the numerators together: 4 x 1 = 4
4. Multiply the denominators together: 5 x 3 = 15
5. Put the new numerator and denominator together to get the fraction: (4)/(15)
So, the fraction of all the sandwiches that are ham sandwiches on rye bread is (4)/(15).
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ronnie bought 27 t shirts and 10 pairs of long pants for php 8.600.00
The price of a pair of long pants is PHP 449.50.
To solve this problem, we need to use a system of equations. Let the price of a t-shirt be x and the price of a pair of long pants be y. Then, we can create the following system of equations:
27x + 10y = 8600 where 27 represents the number of t-shirts and 10 represents the number of pairs of long pants.
Rearranging this equation, we can solve for one variable in terms of the other:y = (8600 - 27x)/10
To find the value of x, we need another equation. However, we know that the number of t-shirts and long pants together is 27 + 10 = 37.
Let's use this information to create our second equation:x + y = 37
Substituting the expression for y from the first equation, we get:
x + (8600 - 27x)/10 = 37
Multiplying both sides by 10 to get rid of the fraction, we get:10x + 8600 - 27x = 370
Multiplying out the terms, we get:-17x + 8600 = 370
Subtracting 8600 from both sides, we get:-17x = -8230
Dividing by -17, we get:x = 485
The price of a t-shirt is PHP 485.
To find the price of a pair of long pants, we can substitute this value into either of the original equations.
Let's use the first equation:27(485) + 10y = 8600
Multiplying out the terms, we get:13095 + 10y = 8600
Subtracting 13095 from both sides, we get:
10y = -4495Dividing by 10,
we get:y = -449.5
The price of a pair of long pants is PHP 449.50.
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A high school choir is holding a fundraiser for its spring contest trip. the amount each student needs to raise varies as the number of students who participate in the fundraiser. if 50 students participate in the fundraiser, each student needs to raise $275. use this information to complete the statements.
If 100 students participate in the fundraiser, each student needs to raise $137.50.If 25 students participate in the fundraiser, each student needs to raise amount $550.
Amount = (Total Amount Needed) ÷ (Number of Students)
For 60 students:
Amount = $275 ÷ 60 = $4.58
For 75 students:
Amount = $275 ÷ 75 = $3.67
For 40 students:
Amount = $275 ÷ 40 = $6.88
To solve this problem, we need to use a simple equation: Amount = (Total Amount Needed) ÷ (Number of Students). We can then plug in the given information to calculate the amount each student needs to raise. For example, if 50 students participate in the fundraiser, we can calculate that each student needs to raise $275 ÷ 50 = $5.50. We can then use this equation to calculate the amount that each student needs to raise if there are different numbers of students participating in the fundraiser. For example, if there are 100 students participating in the fundraiser, each student needs to raise $275 ÷ 100 = $2.75. Similarly, if there are 25 students participating in the fundraiser, each student needs to raise $275 ÷ 25 = $11.00.
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Two shops sell the same brand of baked beans but in different sizes of tin. Calculate the price of 1 kg of baked beans for each shop. Give your answers in pence.
Answer:
Shop A = 113 pence
Shop B = 101 pence
Step-by-step explanation:
Given :
Shop A :
5kg for £5.65
Shop B:
2kg for £2.02
Price per kg :
weight / price
100 pence = £1
Shop A :
Price of 1kg :
5.65 / 5 = £1.13 = 113 pence
Shop B:
2.02 / 2 = £1.01 = 1.01 * 100 = 101 pence
the residents of the state of texas pay an 8.25% sales tax on most purchases.which decimal represents the texas state sales tax?
A) 0.825
B)0.00825
C)0.0825
D)8.250
You are offered a job that pays $41,000 during the first year, with an annual increase of 7% per year beginning in the second year. That is, beginning in year 2, your salary will be 1.07 times what it was in the previous year. What can you expect to earn in your fourth year on the job? Round your answer to the nearest dollar.
Answer:
50227
Step-by-step explanation:
PLEASE HELPP
Sara is paid semi-monthly. Her annual salary is $37,560. What is her semi-monthly to the nearest cent?
A)$1,444.62
B)$1,502.40
C)$1.565,00
D)$727.31
Step-by-step explanation:
To find Sara's semi-monthly salary, we need to divide her annual salary by the number of semi-monthly periods in a year.
Since there are 24 semi-monthly periods in a year (twice a month), we can divide her annual salary by 24 to get her semi-monthly salary:
$37,560 ÷ 24 = $1,565.00
Therefore, Sara's semi-monthly salary to the nearest cent is option C) $1,565.00.
GEOMETRY The length of a rectangle is twice the
width. Find the area, if the perimeter is 60 centimeters.
Draw a picture, define a variable, write an equation, and
solve the problem.
A coin is flipped and a card is randomly selected from a deck of 52. What is the probability the coin will land on heads and the card will be a Queen? There are 4 queens in a deck of cards.
A. 1/104
B. 6/13
C. 1/26
D. 4/52
Answer:
The probability is 4/52
What is Probability?
the extent to which something is probable; the likelihood of something happening or being the case.
"the rain will make the probability of their arrival even greater"
Similar:
likelihood
likeliness
prospect
expectation
chance
chances
odds
possibility
a probable or the most probable event.
plural noun: probabilities
"for a time revolution was a strong probability"
Similar:
probable event
prospect
possibility
good/fair/reasonable bet
the extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of cases possible.
"the area under the curve represents probability"
What is 8+99 equal to
Answer:
107
Step-by-step explanation:
Answer:
107.
Step-by-step explanation:
99
+8
------
107
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Guided Practice
Determine whether the relation is a function. Explain why or why not.
{(3, 7), (3, 8), (3, –2), (3, 4), (3, 1)}
A.
No; the domain value 3 corresponds to multiple range values.
B.
Yes; there is no value in the domain that corresponds to more than one value of the range.
C.
No; a function must have multiple domain values.
Answer:
A. it is not a function because there are multiple y-values paired with a single x-value.
Step-by-step explanation:
UGENT LOTS OF POINTS
Answer:
First missing number: x = 3
Second missing number: x = 6
Step-by-step explanation:
Elevation represents distance from sea level. Positive numbers represent elevations that are above sea level and negative numbers represent elevations that are below sea level.
A hiker recorded the distance from sea level that she hiked on 4 different days in the table below. PLSSS
On which day did the hiker travel the furthest distance?
A. Monday
B. Tuesday
C. Wednesday
D. Thursday
Answer:
C. Wednesday
Step-by-step explanation:
Can someone plz help me
Answer:
16.3 N
Step-by-step explanation:
subtract if the forces are opposite
Suppose that (A+B)2=A2+2AB+B2. Is it necessarily true that A and B are inverses of each other? Could these matrices be inverses of each other?
Hi there! In order to determine if A and B are inverses of each other, we need to check if \(AB = BA = I\), where I represents the identity matrix. From the given equation,\((A+B)^2 = A^2 + 2AB + B^2\), we can expand it as:
\((A+B)(A+B) = A^2 + 2AB + B^2\)
Let's break it down step by step.
Expanding further, we get:
\(A^2 + AB + BA + B^2 = A^2 + 2AB + B^2\)
Now, let's simplify the equation:
\(AB + BA = AB + BA\)
Since the equation holds true, we can say that \(AB = BA\). However, this does not necessarily mean that A and B are inverses of each other.
Inverse matrices have the property that.
\(AB = BA = I,\) but the given equation only shows that\(AB = BA.\) To determine if A and B are inverses of each other, you need to check if
\(AB = BA = I.\) If they satisfy this condition, then A and B are inverses. Otherwise, they are not inverses.
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Please help me and answer
4 > |x+1| + 2
======================================================
Explanation:
Choice A can be ruled out because the result of any absolute value is never negative.
This means |x+1| cannot be smaller than -3.
In other words: -3 > |x+1| has no solutions
Similarly, choice B also leads to "no solutions" because we subtract 2 from both sides to get -1 > |x+2|. Therefore, we rule out choice B as well.
------------------
Choice C can be solved through these steps
2 < |x+3| - 2
2+2 < |x+3|
4 < |x+3|
|x+3| > 4
x+3 > 4 or x+3 < -4
x > 4-3 or x < -4-3
x > 1 or x < -7
x < -1 or x > 1
The graph of this will have open holes at -7 and 1. Then you shade to the left of -7 and to the right of 1. This does not match the graph given to us.
We'll rule out choice C.
-------------------
Choice D can be solved through these steps
4 > |x+1| + 2
4-2 > |x+1|
2 > |x+1|
|x+1| < 2
-2 < x+1 < 2
-2-1 < x < 2-1
-3 < x < 1
The graph will have open holes at -3 and 1, with shading in between. This matches perfectly with the given graph.
This is why choice D is the answer.
Angle C is inscribed in circle O.
AB is a diameter of circle O.
What is the measure of A?
The measure of <A = 53 degrees
How to determine the measureTo determine the measure of the angle, we need to know the following;
The sum of the interior angles of a triangle is equal to 180 degreesThe diameter of a circle is twice its radiusAngle on a straight line is equal to 180 degreesComplementary angles are pair of angles that sum up to 90 degreesSupplementary angles are pair of angles that sum up to 180 degreesFrom the information given, we have that;
AB is a diameter of circle O.
Bute m<B = 37 degrees
Then, we can say that;
<A + <B + <C = 180
<A + 90 + 37 = 180
collect the like terms, we have;
<A = 53 degrees
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Write y-4=-2(x-(-4)) in standard form.
Correct me if I am wrong I got -2x-y=4
The expression of y - 4 = -2 ( x- (-4) ) in standard form is 2x + y = -4.
Standard form for the equation of a line is Ax + By =C where A is a positive integer and B and C are integers
A standard form is a method of writing mathematical concepts like an equation, expressions, or numbers in standard form. Example: 2.5 billion years is written as 2,500,000,000 years.
Given expression is,
y - 4 = -2(x-(-4))
y - 4 = -2 (x+4)
y - 4 = -2x - 8
Add 2x to each side
2x + y - 4 = 2x - 2x - 8
2x + y - 4 = - 8
Add 4 from each side
2x + y - 4 + 4 = - 8 + 4
2x + y = -4
Therefore,
The expression of y - 4 = -2 ( x- (-4) ) in standard form is 2x + y = -4.
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Question 2 of 5
Which of the following statements about JK and JL is true? A. JK and JL are the same length.
B. JL is longer than JK.
C. JK is longer than JL.
D. JK is 7 units long.
given f(x)=x^2+2x-5 and the values of the linear function g(x) in the table, what is the range of (f+g)(x)
x: -6 -3 -1 4
g(x): 16 10 6 -4
Answers:
(infinity,1]
[-1,1]
R
The range of the function (f+g)(x) = x² - 1 will be ( -1, ∞ ). The correct option is B.
What are a domain and range?The range of values that we are permitted to enter into our function is known as the domain of a function.
The x values for a function like f make up this set (x). A function's range is the set of values it can take as input. After we enter an x value, the function outputs this set of values.
Given that the function is f(x) = x²+2x-5. The function g(x) will be calculated by the data given in the table.
x -6 -3 -1 4
g(x) 16 10 6 -4
The function g(x) will be:-
g(x) = mx + c
m = ( 10 - 16 ) / ( -3 + 6 )
m = -6 / 3
m = -2
c = y - mx
c = 10 - 6
c = 4
g(x) = -2x + 4
The function ( f + g)(x) will be:-
( f + g)(x) = f(x) + g(x)
( f + g)(x) = x²+ 2x - 5 - 2x + 4
( f + g)(x) = x² - 1
At x = 0, the value ( f + g)(x) is -1. The range of the function is ( -1, ∞).
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Choose the best estimate for the weight of a cantaloupe. Responses A 2 decigrams2 decigrams B 2 kilograms2 kilograms C 2 grams2 grams D 2 milligrams
The best estimate for the weight of a cantaloupe is 2 kilograms (B).
A decigram is 1/10th of a gram, which would be too small of weight for a cantaloupe. 2 grams (C) is also too small for a cantaloupe as it would only be the weight of a few small seeds. 2 milligrams (D) is an extremely small weight, only suitable for a single grain of salt or a tiny insect.
Therefore, 2 kilograms (B) is the most reasonable estimate for the weight of a cantaloupe as it falls within the typical range of cantaloupe weights.
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Complete Question:
Choose the best estimate for the weight of a cantaloupe. Responses
A 2 decigrams
B 2 kilograms
C 2 grams
D 2 milligrams