Answer:
A≈138.53
Step-by-step explanation:
A=a^2+2a √a^2/4+h2
Simplify this expression.
–6w + (–8.3) + 1.5+ (–7w)
The simplified form of the expression -6w + (–8.3) + 1.5+ (–7w) is -13w - 6.8.
What is the simplified form of the expression?Given the expression in the question;
-6w + (–8.3) + 1.5+ (–7w)
To simplify, first remove the parenthesis
Note that;
- × + = -- × - = ++ × + = +-6w + × - 8.3 + 1.5 + × - 7w
-6w - 8.3 + 1.5 - 7w
Next collect and add like terms
-6w - 7w - 8.3 + 1.5
Add -6w and -7w
-13w - 8.3 + 1.5
Add -8.3 and 1.5
-13w - 6.8
Therefore, -13w - 6.8 is the simplified form.
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PLEASE HELP!!! WILL GIVE BRAINLIEST!!!
Answer:
112 degrees
Step-by-step explanation:
The other 2 interior angles are (180-44)/2 which is 68.
180 (straight line) -68 = 112
How many polynomials can be formed with and 5 as zeroes?
The number of polynomials that can be formed with -2 and 5 as zeroes are more than 1.
What is a polynomial?
A polynomial is a mathematical statement made up of coefficients and indeterminates that uses only the operations addition, subtraction, multiplication, and powers of positive integers of the variables.x² -3x - 7 is an illustration of a polynomial with a single indeterminate x.
Given that the zeros of a polynomial are -2 and 5.
The polynomial that has a and b as zeors is p(x) = k[x² + (a+b)x + ab].
where k is a real number.
The polynomial that has -2 and 5 zeros is
p(x) = k[x² + (-2 + 5)x + (-2)×5]
p(x) = k[x² + 3x - 10]
Where k is a real number.
The number of real numbers is infinity.
The number of polynomials is infinity.
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Calculate the area of this figure round your answer to the nearest 10th
Answer:
Step-by-step explanation:
the figure is a rectangle and a triangle
the rectangle has the area A=L x W
A=8*10=80ft^2
the triangle has the sides 6 and 8, with a hypothenuse of 10
A=(6*8)/2=24
the total area is 80+24=104 ft^2
four boys evenly split 4 1/2 gallons of ice cream. how much will each get
Answer:
each boy would get 1 1/8 gallons of ice cream
Answer:
1.125 or 9/8
Step-by-step explanation:
4 1/2 divided by 4.
Let g be a polynomial function of x where g(x) = 2x^3 + 3x^2 -5x-6. If (x+2) is a factor of g. Write an equation for g as the product of linear factors
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\(g(x) = (x + 2)(2 {x}^{2} - x - 3)\)
\(g(x) = (x + 2)(x + 1)(2x - 3) \\ \)
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3.66 x 10^1 in standard form
36.6 in standard form will be \(3.66 * 10^{1}\)
As per the question statement, we are given standard form of a number i.e., \(3.66 * 10^{1}\).
We have to find the number whose standard form is \(3.66 * 10^{1}\)
For solving this, we should be knowing about standard form conversion from any given number which is written by raising the number to power of 10.
\(3.66 * 10^{1}\)\(= 3.66 *10 = 36.6\)
Therefore 36.6 is the number whose standard form is \(3.66 * 10^{1}\)
Standard form: A number can be expressed in a fashion that adheres to specific standards by using its standard form. Standard form refers to any number that may be expressed as a decimal number between 1.0 and 10.0 when multiplied by a power of 10.To learn more about Standard form, click on the link given below:
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can someone please help.. will mark brainliest !
each year, a company either makes a profit or takes a loss. if the company made a profit the year before, they will make a profit with probability 0.8. if they took a loss the year before, they will make a profit with probability 0.2. what is the long-run probability the company will make a profit?g
Answer:
The long-run probability that the company will make a profit is 0.5, or 50%.
Step-by-step explanation:
The long-run probability of the company making a profit can be found using the concept of a steady-state probability.
Let P(P) be the long-run probability of making a profit, and P(L) be the long-run probability of taking a loss.
According to the given information:
1. If the company made a profit the year before, they make a profit with probability 0.8.
2. If they took a loss the year before, they make a profit with probability 0.2.
Using these probabilities, we can set up the following system of equations:
P(P) = 0.8 * P(P) + 0.2 * P(L)
P(L) = 1 - P(P)
Now we can substitute the second equation into the first equation to solve for P(P):
P(P) = 0.8 * P(P) + 0.2 * (1 - P(P))
To solve for P(P), we can rearrange the equation:
P(P) - 0.8 * P(P) = 0.2 - 0.2 * P(P)
Combining terms gives:
0.2 * P(P) = 0.2 - 0.2 * P(P)
Dividing by 0.2 gives:
P(P) = 1 - P(P)
Adding P(P) to both sides:
2 * P(P) = 1
Finally, dividing by 2:
P(P) = 0.5
So, the long-run probability that the company will make a profit is 0.5, or 50%.
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What is Legal Paper Size and Legal Paper Dimension?
The standard size for legal paper in North America and Canada is 8.5 inches by 14 inches.
The standard size for legal paper in North America and Canada is 8.5 inches by 14 inches. On the other hand, A4 paper, which measures 8.5 inches by 11 inches, is the standard legal paper size in Europe and the majority of other nations. Moreover, the legal-size bond paper is 8.5 inches x 14 inches.
Here are the legal size paper dimensions in different units; let's have a look.
Legal paper size in inches: 8.5 inches x 14 inches
Legal size paper in cm: 21.6cm x 35.6 cm
Legal paper size in mm: 216mm x 356mm
A4 Paper which is considered a legal paper size in Europe, etc., has the following dimensions in different units:
A4 paper dimensions in inches: 8.5 inches x 11 inches
A4 paper dimensions in cm: 216 x 279mm
A4 paper dimensions in mm: 21.6 x 27.9 cm
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6−2(8−x)=2x−10
l don't understand the question
Answer: x has infinite number of solutions
Step-by-step explanation:
6−2(8−x)=2x−10
6-16-2(-x)=2x-10
-10+2x=2x-10
2x-10=2x-10 ==> x has infinite number of solutions
Find the volume of the solid- 2cm, 4.5cm, 3.5cm
- Can someone please explain how to do this? Thank you!
The volume of the triangular prism is 15.75 cubic cm after using the formula for the volume of the triangular prism.
What is a triangular prism?When a triangle is, stretch it out to produce a stack of triangles, one on top of the other. A triangular prism is the name given to this novel 3D object.
It is given that:
The prism is shown in the picture with dimensions.
As we know the volume of the triangular prism can be fins using the formula:
V = (1/2)bhl
Here b is the base length
h is the height of the triangular prism
l is the length of the triangular prism.
V = (1/2)4.5×3.5×2
V = (1/2)31.5
V = 15.75 cubic cm
Thus, the volume of the triangular prism is 15.75 cubic cm after using the formula for the volume of the triangular prism.
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Aisha collects 1p coins and 2p coins. 24 of these are 1p coins. The probability of choosing a 2p coin at random is 1/2 How much money does she have in total?
Answer:
Aisha has 24 2p coins and 24 1p coins, then she has in total:
2p*(24) + 1*p*(24) = 48p + 24p = 72p
Step-by-step explanation:
Suppose that we have a set of N elements in a bag (if the bag is closed and we put our hand inside to grab one element, we could not distinguish them apart), and K of these elements have a given property (for example, these are red).
The probability of selecting at random one of these red elements is equal to the quotient between the number of elements with that property (K) and the total number of elements in the bag (N)
P = K/N
Now let's go to our problem.
We have 24 1p coins.
We have X 2p coins.
Then the total number of coins is: (24 + X)
We know that the probability of choosing at random a 2p coin is then:
P = X/(24 + X)
And we know that this is equal to 1/2
Then:
X/(24 + X) = 1/2
X = (1/2)*(24 + X) = 24/2 + X/2
X = 12 + X/2
X - X/2 = 12
X/2 = 12
X = 2*12 = 24
Then Aisha has 24 2p coins.
Aisha has 24 2p coins and 24 1p coins, then she has in total:
2p*(24) + 1*p*(24) = 48p + 24p = 72p
Suppose y varies directly with x. If y is 8 when x is 12, find y when x is 18.
\(\large\textsf{\textbf{Answer\::}}\)
Please consult the "calculations" section of this ans .
\(\large\textsf{\textbf{Calculations\::}}\)
If y varies directly with x , the equation looks like this :
y=kx , where k is the constant of proportionality
Plug in the values :
8=k/12
Multiply times 12 on both sides :
96=k
So the constant of proportionality is 96 .
Now solve for y when x is 18 as follows :
y=96/18
y≈5.33
\(\footnotesize\texttt{hope\:helpful~}\)
some orevious answers that were ncorrect were: 62800 and
30000
Let v represent the volume of a sphere with radius r mm. Write an equation for V (in mm) in terms of r. 4 VI) mm mm Find the radius of a sphere (in mm) when its diameter is 100 mm 50 The radius of a s
To write an equation for the volume of a sphere, V, in terms of its radius, r, we can use the formula for the volume of a sphere:
V = (4/3) * π * r^3
In this equation, V represents the volume of the sphere and r is the radius of the sphere in millimeters. The constant π (pi) is approximately 3.14159.
To find the radius of a sphere when its diameter is 100 mm, we need to first recall that the diameter of a sphere is twice the radius. So if the diameter is 100 mm, the radius would be half of that, which is 50 mm. Therefore, the radius of the sphere would be 50 mm.
Using the formula for the volume of a sphere, we can substitute the value of the radius, r, into the equation to calculate the volume, V. However, since the volume was not provided in the question, we can't determine the exact value of the volume without additional information. The given information allows us to find the radius of the sphere but not the volume.
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can sum1 please tell me what this is ?
Answer:
-5/7
Step-by-step explanation:
-6 + 1 = (-5)
7+7=7 (in fractions)
Answer:
Step-by
-6 + 1 = -5, answer = -5/7
positive plus negative means subtract
Negative carries through to answer because it goes with higher number
The price of Harriet Tubman's First-Class stamp is shown. (13c) In 2021, the price of a First-Class stamp was $0. 58. How many times as great was the price of a First-Class stamp in 2021 than Tubman's stamp? Show the answer repeating as a decimal
The price of a First-Class stamp in 2021 was 4.46 times as great as the price of Tubman's stamp.
The price of Harriet Tubman's First-Class stamp was 13 cents.
In 2021, the price of a First-Class stamp was $0.58.
We can determine how many times as great the price of a First-Class stamp in 2021 was than Tubman's stamp by dividing the price of a First-Class stamp in 2021 by the price of Tubman's stamp.
So, 0.58/0.13
= 4.46 (rounded to two decimal places)
Thus, the price of a First-Class stamp in 2021 was 4.46 times as great as the price of Tubman's stamp.
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A rectangular aquarium 7 m long, 1 m wide, and 1 m deep is full of water. Find the work needed to pump the top half of the water out of the aquarium by raising it over the top of the aquarium. (Use the facts that the density of water is 1000 kg/m3 and g ≈ 9.8 m/s2.)
The work needed to pump the top half of the water out of the aquarium by raising it over the top of the aquarium is 34,300 J.
How to find the work needed to pump the top half of the water out of the aquarium?First we need to calculate the total amount of water that needs to be lifted and the height it needs to be lifted to.
The volume of water in the aquarium is given by:
V = 7 m * 1 m * 1 m = 7 m^3
Since we need to pump out the top half of the water, the volume of water that needs to be lifted is:
V = (1/2) * 7 m^3 = 3.5 m^3
The mass of the water can be calculated as:
m = V * density of water = 3.5 m^3 * 1000 kg/m^3 = 3500 kg
The height that the water needs to be lifted to is equal to the height of the aquarium, which is 1 m.
The work needed to lift the water can be calculated using the formula:
W = m * g * h
where
M is the mass of the water G is the acceleration due to gravity (9.8 m/s^2) H is the height the water needs to be lifted toSo, the work needed is:
W = 3500 kg * 9.8 m/s^2 * 1 m = 34,300 J (joules)
Therefore, the work needed to pump the top half of the water out of the aquarium by raising it over the top of the aquarium is 34,300 J.
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13 cans of vegetables and 14 of soup. They put the cans in bags with 3 cans in each bag how many bags of cans did they have .
Answer:
9
Step-by-step explanation:
13 + 14 = 27
27 / 3 = 9 cans.
Solve for x:
4x = 8x - 8
Answer:The answer would be X=2
Step-by-step explanation:You would have to bring 8 x over to the side 4 x is on and it will become 4 x - 8 x= -8.Then you would have to do 4 x - 8 x and that would give you -4 x = -8.Then you would have to do -8 divided by -4.Then your answer would be X =2 because two negatives equal a positive.
Answer:
x=2
This is the answer
Penny sells hot dogs from a cart at the beach. Her daily income, s, varies directly as the number of hot dogs, h,
that she sells, and s = $255.50 when
h = 73. Find h when s = $304.50.
First we will find the cost of 1 hot dog!!
Here, We are given;Cost of 73 hot dogs is $255.5Divide the cost of hot dogs by number of hot dogs:
\( \sf \frac{255.5}{73} = 3.5\)
So, The cost of 1 hot dog is $3.5...
Now, The number of hot dogs multiplied by 3.5 is 304.5
\( \sf \: x \times 3.5 = 304.5 \\ \sf \: x = \frac{304.5}{3.5} \\ \boxed{ \tt \: x = 87}\)
Thus, She sold 87 hot dogs!!
Someone pleaseee help meeeee :( ???? On this.
Answer:
A. 9
Step-by-step explanation:
To solve slope with points, use the equation: \(\frac{y_{2} - y_{1} }{x_{2} - x_{1} }\). In this case it would be: \(\frac{7 - (-2) }{-6- (-7) }\). 7 - -2 is also 7 + 2 or 9. -6 - - 7 is also -6 + 7 or 1. So the final fraction is \(\frac{9}{1}\) or 9.
Hope it helps!
find the cost of 24 piece of shshi from each restaruant
Answer:
sushi* and there is no picture.
Step-by-step explanation:
PLEASE HELP I DONT WANT TO FAIL EITHER: The weight of four puppies are shown in pounds 9.5 9 3/8 9.125 or 9 3/4 which list shows thses weights form greatest to least?
Answer:9.125, 9 3/8, 9.5, 9 3/4
Step-by-step explanation:
Which of the following is an example of a data set with 5 values for which the standard deviation is zero. a) -2.-1.0.1.2 b) 4.4.4.4.4 c) -5,-3.0.3.5 d) 1,2,3,4,5
The standard deviation for the dataset (4, 4, 4, 4, 4) is zero (0)
To find a data set with 5 values for which the standard deviation is zero,
⇒ (4, 4, 4, 4, 4)
For the above dataset;
Mean μ = 4
Number of samples n = 5
Standard deviation σ = \(\sqrt{\frac{sumof(xi - x)^2}{n} }\)
= \(\sqrt{\frac{(4-4)^2+(4-4)^2+(4-4)^2+(4-4)^2+(4-4)^2}{5} }\)
= 0
Therefore, for the dataset (4, 4, 4, 4, 4) the standard deviation is zero(0).
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Carlotta Martinez purchased a $399. 99 electronic organizer for work. What is the total sales tax if Martinez lives in North Dakota, where the state tax is 5 percent and the county tax is 1. 25 percent?
Answer:
To calculate the total sales tax for Carlotta Martinez's purchase, we need to add the state and county taxes. State tax = 5%County tax = 1.25%Total sales tax = State tax + County tax Let's calculate the state tax first. State tax = 5% of $399.99 = (5/100) x $399.99 = $19.9995 ≈ $20Now, let's calculate the county tax. County tax = 1.25% of $399.99 = (1.25/100) x $399.99 = $4.999875 ≈ $5Therefore, the total sales tax = $20 + $5 = $25.So, the total sales tax for Carlotta Martinez's purchase is $25.
Find the midpoint of (-3,-5) and (6,-5).
Answer:
The midpoint is (1.5, -5)
Step-by-step explanation:
To find the x coordinate of the midpoint, add the x coordinates of the endpoints and divide by 2
( -3+6) /2 = 3/2 = 1.5
To find the y coordinate of the midpoint, add the y coordinates of the endpoints and divide by 2
( -5+-5) /2 = -10/2 =-5
The midpoint is (1.5, -5)
Hi!
\(A=(-3,-5) \ and \ B=(6,-5)\\\\Medium \ point=(\frac{-3+6}{2};\frac{-5+(-5)}{2})=\boxed{(\frac{3}{2};-5)}\)
Mr. Nelson wants to put chicken wire around his chicken coup. He purchased 28.2 feet of chicken wire. The cost was $0.55 per foot.
Answer: $15.51
Step-by-step explanation: 28.2 times 0.55 is $15.51
Answer:
If you're asking for the total amount of money required, then the answer is $15.51 for the chicken wire.
Step-by-step explanation:
You have the unit price of $0.55 per foot, and need to cover 28.2 feet. So by simply multiplying $0.55 by 28.2, you get the total cost of $15.51 for the 28.2 feet of chicken wire.
Sara is crocheting two circles. The area of the larger circle is to be
2.5 times the size of the smaller. If the area of the smaller circle is about 50.2 square centimeters, what is the diameter of the larger circle?
Answer:
22.2 cm
Step-by-step explanation:
First, find the area of the larger circle.
50.2 x 2.5 = 125.5
Now, we need to find the diameter of the larger circle. We have the area, so we can plug this value into the formula of the area of the circle to find the diameter.
A = pi • r^2
125.5 =3.14 •r^2
122.36 = r^2
r = 11.1
Since radius is half the diameter, multiply r by 2.
11.1 x 2 = 22.2 centimeters
Please answer this question on circles WITH an explanation of the work please! I need this today!
Answer:
C
Step-by-step explanation:
the figure shows a tangent and a secant, then
the square of the measure of the tangent is equal to the product of the secant's external part and the entire secant, that is
(- 5 + x)² = (x - 7)(x - 7 + 5) ← expand left side using FOIL
25 - 10x + x² = (x - 7)(x - 2) ← expand using FOIL
x² - 10x + 25 = x² - 9x + 14 ( subtract x² from both sides )
- 10x + 25 = - 9x + 14 ( add 9x to both sides )
- x + 25 = 14 ( subtract 25 from both sides )
- x = - 11 ( multiply both sides by - 1 )
x = 11