Answer:
i believe the answer is C
Step-by-step explanation:
i dont know its just what i would choose im not the smartests in math
What is the value of the expression 5ab−7b+c when a=3, b=3, and c=4?
13
24
28
39
Answer: the value of the expression is 28
Step-by-step explanation:
we simply substitute the letters in for the numbers.
5(3)(3) - 7(3) + (4)
we just multiply all of those together.
45 - 21 + 4
answer: 28
Answer:
the value of the expression is 28
Step-by-step explanation:
since we have already been given the values of a, b and c ,we must substitute them in the expression like this:
5(3)(3)-7(3)+4
28
OMG PLEASE HELP MEEEEEEE
Which expression could represent the additive inverse property?
A) −9 + 0
B) −9 −9
C) −9 + 1
D) −9 + 9
The students are trying to raise 3.000 but they only have 1200 how much would they need to get to 3000
Need help with this problem please! I believe it is b but I get a different answer everytime I redo it!
Answer:
no u right its b
Step-by-step explanation:
A ladder is put against a building. The building is 25 feet tall. The ladder's base is 13.5 feet from the building. Find the angle which the ladder makes with the ground.
Answer:
correct me if i'm wrong but it's 57.32 degrees?
Which fraction is closest to 1/2
?
The fraction which is closest to 1/2 is, 3/8. So option B is correct
What is a fraction?Fraction is a mathematical term, which represents the portion or sub-parts of the whole thing. Basically, It has two parts: numerator and denominator.
Numerator is a number which lies on the top side, it indicates the number of equal parts taken and denominator is on the bottom side, it indicates the equal parts of the whole number.
Given that,
A fraction number 1/2
In decimal form = 0.5
Closest fraction number = ?
Most closest number is that number from which we subtract the given number and the magnitude of result we get is very less,
Lets take, A fraction 1/6
In decimal form it can written as, 0.167
Difference 1 = 0.5 - 0.167
= 0.333
Similarly, For numbers 3/8, 3/4, -1/2
Difference 2 = 0.5 - 0.375 = 0.125
Difference 3 = 0.5 - 0.75 = -0.25
Difference 4 = 0.5 - (-0.5) = 1.0
It can be seen that,
Magnitude of difference in case of 3/8 is very less
Hence, the closest number is 3/8
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What are the solutions to the equation 0=|3x+3|+3
Therefore, the solutions to the equation 0 = |3x + 3| + 3 are x = -2 and x = 0.
To solve the equation 0 = |3x + 3| + 3, we need to eliminate the absolute value. Remember that the absolute value of a number is always non-negative.
First, let's isolate the absolute value term on one side of the equation:
|3x + 3| = -3
Since the absolute value cannot be negative, there are no solutions to the equation as it stands. However, if we modify the equation to make the right side positive, we can find a solution.
To eliminate the absolute value, we can rewrite the equation as two separate equations, considering both the positive and negative cases:
3x + 3 = -3
-(3x + 3) = -3
Solving equation 1:
3x + 3 = -3
3x = -6
x = -2
Solving equation 2:
-(3x + 3) = -3
-3x - 3 = -3
-3x = 0
x = 0
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Suppose that the function g is defined, for all real numbers, as follows. Find g(-5) ,g (-2), and g(-1)
If the function g(x) is defined for all real-numbers, then the value of g(-5) is 7/2, g(-2) is -1 and g(-1) is 0.
A piecewise function is a function that is defined by different rules or formulas on different parts of its domain. The piecewise function "g(x)" is given as :
g(x) = {-(1/2)x + 1, for x<-2
= {-(x+1)², for -2≤x≤1
= {4 for x>1
We have to find the value of g(-5) ,g (-2), and g(-1),
For x = -5, the number -5 is less than -2, so the first function "-(1/2)x + 1" will be used,
⇒ g(-5) = -(1/2)(-5) + 1 = 5/2 + 1 = 7/2,
For x = -2, the number -2 lies in the interval "-2≤x≤1", so second function
"-(x+1)²" will be used,
⇒ g(-2) = -(x+1)² = -(-2+1)² = -(-1)² = -1,
For x = -1, the number -1 lies inn the interval "-2≤x≤1", so second function "-(x+1)²" will be used,
⇒ g(-1) = -(x+1)² = -(-1+1)² = -(0)² = 0,
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question is in the attchment
Answer: A: (-3, -1) B: (4, -3)
Step-by-step explanation:
tucker is making cookies the recipe called for 1/3/4 cups of flour and 1/2cup of sugar how much flour and sugar coral will be use to make the cookies
The flour and sugar coral that will be use to make the cookies is 2 1/4 cups.
How to calculate the fraction?A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In a simple fraction, the numerator as well as the denominator are both integers.
In this situation, Tucker is making cookies the recipe called for 1/3/4 cups of flour and 1/2cup of sugar.
The flour and sugar coral that will be use to make the cookies will be:
= 1 3/4 + 1/2
= 2 1/4
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The five-number summary for the number of teams in each of "Brad's fantasy football" leagues is shown in the following table. \text{Min}Minstart text, M, i, n, end text Q_1Q 1 Q, start subscript, 1, end subscript \text{Median}Medianstart text, M, e, d, i, a, n, end text Q_3Q 3 Q, start subscript, 3, end subscript \text{Max}Maxstart text, M, a, x, end text 444 777 101010 141414 181818 The five-number summary suggests that about 50\%50%50, percent of Brad's fantasy football leagues have fewer than how many teams?
Answer:
(B) 25%
Step-by-step explanation:
Use each picture or description of a triangle, write and solve an equation in order to find the number of degrees in each angle
Answer:
4x + 7x - 2 + 5x - 10 = 180
16x - 12 = 180
16x = 192
x = 12
m<A= 4x = 4(12) = 48
m<B = 7x - 2 = 7(12) - 2 = 84 - 2 = 82
m<C = 5x - 10 = 5(12) - 10 = 60 - 10 = 50
Step-by-step explanation:
.
how old am i if 300 reduced by 2 times my age is 130
Answer:
Your age would be 85.
Step-by-step explanation:
I reduced 300 by 2 (Subtracting) and times it by variable x, and 130. X came out to be 85, so your age is 85.
Which graph represents the function p(x) = |x – 1|?
On a coordinate plane, an absolute value graph has a vertex at (0, 1).
On a coordinate plane, an absolute value graph has a vertex at (negative 1, 0).
On a coordinate plane, an absolute value graph has a vertex at (0, negative 1).
The correct statement is: On a coordinate plane, an absolute value graph has a vertex at (0, 1).
The function p(x) = |x - 1| represents an absolute value function. The vertex of an absolute value function in the form f(x) = |x - h| + k is given by the point (h, k). In this case, the function p(x) = |x - 1| has a vertex at (1, 0).
Therefore, none of the provided options accurately represents the vertex of the function p(x) = |x - 1|. The correct vertex for this function is (1, 0), which means the vertex is at x = 1 and y = 0 on the coordinate plane. It is important to note that the vertex is located at (h, k) where h represents the x-coordinate and k represents the y-coordinate.
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Given x and y are integers, explain why the product of the expression and it's conjunct will always be an integer
Answer:
If neither of the two real numbers is zero, then their product is also not zero Suppose also that x is a real number that satisfies the equation The " / " symbol does not always give you a result of an integer, so be careful.pkek, and any other expression for n as a product of prime numbers is identical to this except,.
Step-by-step explanation:
Which is true about investments and risk?
Answer:
Every investment carries some degree of risk, All investments carry some degree of risk. Stocks, bonds, mutual funds, and exchange-traded funds can lose value, even all their value, if market conditions sour. Even conservative, insured investments, such as certificates of deposit (CDs) issued by a bank or credit union, come with inflation risk. They may not earn enough over time to keep pace with the increasing cost of living.
Step-by-step explanation:
Please will give brainliest and thanks
Answer:
\( - \frac{6}{7}p + \frac{1}{7} \)
Step-by-step explanation:
Get rid of the parenthesis then combine like terms
ambiente apent 5/8 of har money and sabedoria The rest.if she sprnt 45$,how much money did she have at first?
Determine a possible 3rd degree polynomial function in factored form with its only zeros at (4,0) and (-1,0) and (-7,0)
Find the charge density that must be glued to the surface of an insulating, cubical box (0 ≤ x, y, z ≤ a) so the electric field everywhere outside the box is identical to the field produced by a (fictitious) point charge Q located at the center of the box. o(x,y) -Q A grounded box with a point charge - Q at its center.
The charge density that must be glued to the surface of an insulating, cubical box is\(σ = dq / dA = Q / a^2\)
Gauss's law can be applied to determine the charge density on the box's surface. According to Gauss's law, the charge enclosed by a closed surface determines how much electric flux passes through it.
Take into account a box-centred spherical Gaussian surface with radius r. By virtue of symmetry, the electric field must be radial and have a constant strength over the entire sphere. The flux through the sphere is therefore given by:
\(Φ = E(r) * 4πr^2\)
where E(r) is the electric field's strength at radius r.
The point charge Q in the box's centre is now equal to the charge contained within the sphere. So, according to Gauss's law:
\(Φ = Q / ε0\)
When the permittivity is 0
where 0 represents the free space permittivity.
The electric field outside the box should be the same as the electric field created by a point charge Q in the middle of the box. In order to ensure that the flux through any spherical surface outside the box is equal, we must choose the charge density on the box's surface.
Take into account a tiny element with surface area dA on the box's surface. The electric field caused by this element of charge at point P outside the box can be expressed as:
\(dE = (1 / 4πε0) * dq / r^2\)
where r is the distance between the element and point P and dq is the charge on the tiny surface-area element.
We integrate across all the minor components of the surface area of the box to determine the total electric field at point P caused by the entire surface of the box:
\(E = dE = (1 / 4.0)*dq / r2\)
Now, we want this electric field to match the electric field caused by point charge Q in the box's centre, which is determined by:
\(E' = Q / (4πε0r^2)\)
As a result, we have:
\(E = E': (1 / 4 0) * dq / r2 = Q / (4 0 r2)\)
To solve for dq, we obtain:
\((Q / a2)*dA = dq\)
therefore, the charge density on the box's surface is given by:
\(σ = dq / dA = Q / a^2\)
To produce the same electric field outside the box as that caused by a point charge Q at the centre of the box, we must glue a uniform charge density of Q / a2 on the box's surface.
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Find the value of y.
Answer:
y = \(\sqrt{55}\)
Step-by-step explanation:
using the Altitude- on- Hypotenuse theorem
(altitude)² = product of parts of hypotenuse
then
y² = 11 × 5 = 55 ( take square root of both sides )
y = \(\sqrt{55}\)
What is the area of the figure?
Answer: 23.76 sq yds
Step-by-step explanation:
0.5*9.9*4.7=23.76
Area of triangle: 0.5*b*h
The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.4. Suppose you purchase box after box until you have obtained two of these prizes. (a) What is the probability that you purchase x boxes that do not have the desired prize? nb(x; 2, 0.4) b(x; 2, 4, 10) b(x; 2, 0.4) h(x; 2, 4, 10) h(x; 2, 0.4) nb(x; 2, 4, 10)
(b) What is the probability that you purchase four boxes? (Round your answer to four decimal places.) (c) What is the probability that you purchase at most four boxes? (Round your answer to four decimal places.) (d) How many boxes without the desired prize do you expect to purchase? How many boxes do you expect to purchase?
a) Probability will be \(nb(x; 2, 0.4) = (x + 1 choose 2) * (0.4)^2 * (0.6)^(x)\)
b)Probability is b(2; 4, 0.4) = \((4 choose 2) * (0.4)^2 * (0.6)^2\) = 0.2304 (rounded to four decimal places)
c)b(2; 2, 0.4) =\((2 choose 2) * (0.4)^2 * (0.6)^0\) = 0.16
d)E(X) = r*(1-p)/p = 2*0.6/0.4 = 3 boxes
(a) The probability that x boxes do not have the desired prize can be modeled by a negative binomial distribution with parameters r=2 (since we want to obtain 2 prizes), p=0.4 (since the probability of obtaining the prize in any given box is 0.4), and x being the number of boxes purchased before obtaining the second prize. Therefore, the probability is given by:
\(nb(x; 2, 0.4) = (x + 1 choose 2) * (0.4)^2 * (0.6)^(x)\)
(b) The probability of purchasing four boxes and obtaining two prizes can be modeled by a binomial distribution with parameters n=4 (since four boxes are purchased), k=2 (since we want to obtain two prizes), and p=0.4 (since the probability of obtaining the prize in any given box is 0.4). Therefore, the probability is given by:
b(2; 4, 0.4) = \((4 choose 2) * (0.4)^2 * (0.6)^2\) = 0.2304 (rounded to four decimal places)
(c) The probability of purchasing at most four boxes and obtaining two prizes can be found by summing the probabilities of purchasing 2, 3, or 4 boxes and obtaining two prizes. Using the binomial distribution with parameters n=2 and p=0.4 for the case of purchasing 2 boxes and obtaining two prizes, we have:
b(2; 2, 0.4) =\((2 choose 2) * (0.4)^2 * (0.6)^0\) = 0.16
Using the negative binomial distribution with parameters r=2 and p=0.4 for the case of purchasing 3 boxes and obtaining two prizes, we have:
nb(1; 2, 0.4) = (1 + 2 choose 2) * (0.4)^2 * (0.6)^1 = 0.288
Using the negative binomial distribution with parameters r=2 and p=0.4 for the case of purchasing 4 boxes and obtaining two prizes, we have:
nb(2; 2, 0.4) = (2 + 2 choose 2) * (0.4)^2 * (0.6)^2 = 0.3456
Therefore, the probability of obtaining two prizes in at most four boxes is:
0.16 + 0.288 + 0.3456 = 0.7936 (rounded to four decimal places)
(d) The expected number of boxes without the desired prize can be found by multiplying the number of boxes needed to obtain the prize (on average) by the probability of not obtaining the prize, which is given by:
E(X) = (1 - p)/p = 0.6/0.4 = 1.5 boxes
The expected number of boxes needed to obtain two prizes can be found using the negative binomial distribution with parameters r=2 and p=0.4, which gives:
E(X) = r*(1-p)/p = 2*0.6/0.4 = 3 boxes
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1. BOWLING Brooke went bowling with her friends. She bowled 3 games, and
her average score for those games was 121. She had 117 her first game and
108 her second game. Write and solve an equation to find g, the score of
her third game.
pls show your work
Answer: x = 138
Step-by-step explanation:
\(108+117+x=3 * 121\\3 * 121 = 363\\Rearrange unknown terms to the left side of the equation\\x=(363-108)-117\\\\255-117=138\\x=138\)
Please only answer if u actually know pls!
At a price of $3, the total revenue will be the greatest, and the company will sell 3 units at that price.
To find the total revenue at each price, we can multiply the price by the corresponding quantity.
Price Quantity Total Revenue
$6 0 $0
$5 1 $5
$4 2 $8
$3 3 $9
$2 4 $8
$1 5 $5
To find the price at which total revenue is the greatest, we look for the highest value in the Total Revenue column.
In this case, the highest total revenue is $9, which occurs when the price is $3.
At a price of $3, the company will sell 3 units (as indicated in the Quantity column).
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A survey of 400 students yielded the following information: 262 were seniors, 215 were commuters, and 150 of the seniors were commuters. How many of the 400 surveyed students were seniors or were commuters?
Out of the 400 surveyed students, 327 were either seniors or commuters.
To find the number of students who were either seniors or commuters out of the 400 surveyed students, we need to add the number of seniors and the number of commuters while avoiding double-counting those who fall into both categories.
According to the information given:
There were 262 seniors.
There were 215 commuters.
150 of the seniors were also commuters.
To avoid double-counting, we need to subtract the number of seniors who were also commuters from the total count of seniors and commuters.
Seniors or commuters = Total seniors + Total commuters - Seniors who are also commuters
= 262 + 215 - 150
= 327
Therefore, out of the 400 surveyed students, 327 were either seniors or commuters.
It's important to note that in this calculation, we accounted for the overlap between seniors and commuters (150 students who were both seniors and commuters) to avoid counting them twice.
This ensures an accurate count of the students who fall into either category.
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What is the surface area of the image below I’ll give b brainliest
Answer:
50(5π + 6) cm²
Step-by-step explanation:
TSA of figure = 1/2 of TSA(Cylinder) + Area of rectangle
= 1/2 of 2πr(h+r) + 20*15
= πr(h+r) + 300
= 10π(15+10) + 300
= 250π + 300 cm²
or 50(5π + 6) cm²
HELP!!
A cyclist rides his bike at a speed of miles per hour. What is this speed in feet per second? How many feet will the cyclist travel in seconds? In your computations, use the fact that mile is equal to feet. Do not round your answers.
Lets convert
1mile=5280ft1h=3600s\(\\ \rm\longmapsto 1mph\)
\(\\ \rm\longmapsto \dfrac{5280}{3600}ft/s\)
\(\\ \rm\longmapsto 1.46ft/s\)
If rounded
\(\\ \rm\longmapsto 1.5ft/s\)
Please help me i need help.
Answer:
5x+7 > 17 matches with 3.
1+3x > -5 matches with 2.
2x+1 < 3 matches with 1.
5-3x > 11 matches with 4.
Step-by-step explanation:
A cake that costs $32 is on sale for 15% off and there are no taxes. Explain why the expression
(0.85).32 represents the final price of the cake in dollars.
Answer:
$27.2
Step-by-step explanation:
A cake that costs $32 is on sale for 15% off and there are no taxes. Explain why the expression (0.85).32 represents the final price of the cake in dollars.
This is explained in the calculation below
= A cake that costs $32 is on sale for 15% off
The amount off the cake is calculated as
= 15% of $32
= 15/100 × 32
= $4.8
The amount he is paying for the cake =>$32 - $4.8
= $27.2
The above expression is obtained as
(0.85).32
= (100% - 15%) × 32
=( 1 - 0.15) × 32
= 0.85 × 32
= $27.2
The final price of the cake = $27.2