Answer:
x = -3
Step-by-step explanation:
Given the equation, -4(10 + 3x) - (x + 8) = - 9:
Distribute -4 into (10x + 3x), and - 1 into (x + 8):
-4(10 + 3x) - (x + 8) = - 9
-40 -12x - x - 8 = -9
Combine like terms:
-48 - 13x = -9
Add 48 to both sides:
-48 + 48 - 13x = -9 + 48
-13x = 39
Divide both sides by -13:
\(\frac{-13x}{-13} = \frac{39}{-13}\)
x = -3
Therefore, x = -3
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A spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. The spinner is spun several times, and the results are recorded below:
Spinner Results
Color Frequency
Red 11
Blue 11
Green 17
Yellow 7
Purple 10
Based on these results, express the probability that the next spin will land on red or green or purple as a percent to the nearest whole number.
The probability that the next spin will land on red or green or purple is approximately 67% to the nearest whole nu
How to find the probability that the next spin will land on red or green or purple as a percent to the nearest whole number.Total number of spins = Sum of the frequencies = 11 + 11 + 17 + 7 + 10 = 56
Number of spins landing on red, green, or purple = Frequency of red + Frequency of green + Frequency of purple = 11 + 17 + 10 = 38
Probability = (Number of favorable outcomes) / (Total number of outcomes)
Probability = (38) / (56)
Now, to express the probability as a percentage, we can multiply the probability by 100 and round it to the nearest whole number:
Probability (as a percent) = (38 / 56) * 100 ≈ 67%
Therefore, the probability that the next spin will land on red or green or purple is approximately 67% to the nearest whole number.
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A rabbit weighed 4 ounces when it was born. The rabbit gained 2 ounces each week for the next 12 weeks. Which equation models the weight of the rabbit, w, x weeks after it was born, where x ≤ 12?
Answer: w = 2x + 4
Step-by-step explanation: The rabbit started at 4 ounces, and gained two each week.
Week 0 = 2(0) + 4 = 4
Week 1 = 2(1) + 4 = 6
Week 2 = 2(2) + 4 = 8
Week 3 = 2(3) + 4 = 10
ans thissss plsssssssassss
Answer:
21.16 m^2
Step-by-step explanation:
perimeter of square=4l
18.4/4=l
4.6=l
area of square=l^2
=4.6^2
=21.16 m^2
Examine the last statements made by the Dormouse:
(1) I breathe when I sleep.
(2) I sleep when I breathe.
Write each of the statements in "If .... then” form.
Answer:
I believe what your teacher is looking for is
"If I breathe when I sleep, then I sleep when I breathe."
"If I sleep when I breathe, then I breathe when I sleep."
Step-by-step explanation:
I hope I'm correct ^-^
Question is in the picture
Answer:
y = 3x + 1
Step-by-step explanation:
y = 3x + 1 because the slope enters at 1, rise/run
How many different combinations of three-person dance committees can be selected from a class of 30 students
Therefore, there are 4,060 different combinations of three-person dance committees that can be selected from a class of 30 students.
To calculate the number of different combinations of three-person dance committees that can be selected from a class of 30 students, we can use the concept of combinations. The number of combinations of selecting r items from a set of n items is given by the formula:
C(n, r) = n! / (r! * (n - r)!)
In this case, we want to select three students from a class of 30, so we have:
C(30, 3) = 30! / (3! * (30 - 3)!)
Calculating this expression:
C(30, 3) = 30! / (3! * 27!)
= (30 * 29 * 28) / (3 * 2 * 1)
= 4060
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y = 2x -1, y = 3x + 5 solve
Answer:
the answer is x= -6 and y= -13
Each triangle shown below is a right triangle.
Answer:
Yes, Triangle A
Step-by-step explanation:
Perpendicular legs of the triangle A are equal in measure (each 4 units)-> Triangle A is an isosceles right triangle.Maya spent her allowance on playing an arcade game a few times and riding the Ferris wheel more than once.
Write about what additional information you would need to create a two-variable equation for the scenario. What kind of problem could you solve with your equation?
Answer:
Sample Response: To write a two-variable equation, I would first need to know how much Maya’s allowance was. Then, I would need the cost of playing the arcade game and of riding the Ferris wheel. I could let the equation be cost of playing the arcade games plus cost of riding the Ferris wheel equals the total allowance. My variables would represent the number of times Maya played the arcade game and the number of times she rode the Ferris wheel. With this equation I could solve for how many times she rode the Ferris wheel given the number of times she played the arcade game.
Answers are cost of Arcade game per play and cost of each ferry ride and we can solve.
What is Solution to Equation?An assignment of values to the unknown variables that establishes the equality in the equation is referred to as a solution. To put it another way, a solution is a value or set of values (one for each unknown) that, when used to replace the unknowns, cause the equation to equal itself.
Maya used some of her allowance to ride the ferris wheel and play a few rounds of an arcade game.
We could develop a two-variable equation if we knew the total allotment, the cost of each arcade game played, and the cost of each ferry ride.
We can solve the equations to determine how many times Maya visited the Ferris wheel and how many times she played arcade games.
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Please help me with number 4 thank you so much!
Answer:
the product is equal to the number. When a positive whole number is multiplied by a fraction greater than 1. When a positive whole number is multiplied by a fraction between 0 and 1, the product is less than the whole number.
Step-by-step explanation:
The Babylonians developed the sexagesimal (base 60) number system about 4000 years ago. How many bits of information is conveyed with one sexagesimal digit? How do you write the number 400010 in sexagesimal?
The number 400010 in sexagesimal is written as:111, 1, 11, 16, 10.
The Babylonians developed the sexagesimal (base 60) number system about 4000 years ago. One sexagesimal digit conveys about 6 bits of information. Let's now write the number 400010 in sexagesimal. One sexagesimal digit conveys about 6 bits of information.
Therefore, to find the number of bits conveyed by one sexagesimal digit, we can use the formula:bits = log2(base)Here, the base is 60 since the number system used is sexagesimal.
bits = log2(60)≈ 5.906
The number of bits conveyed by one sexagesimal digit is approximately 6.To write the number 400010 in sexagesimal, we need to divide this number by the base 60 repeatedly until we reach a quotient of 0. The remainders obtained will give us the digits in the sexagesimal system.
400010 / 60 = 6666 remainder
1010 / 60 = 16 remainder
1066 / 60 = 11 remainder
6611 / 60 = 1 remainder 111
So, the number 400010 in sexagesimal is written as:111, 1, 11, 16, 10.
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Andre was trying to write 7⁴/7⁻³ with a single exponent and wrote 7⁴/7⁻³=7⁴⁻³. Explain to Andre what his mistake was.
I need this by today please help
Answer:
Answer
see explanation
Step-by-step explanation:
Using the rule of exponents
= , then
=
His mistake was in subtracting 3 rather than - 3
Which best describes the circumference of a circle?
OA. The distance from one point on the circle to another point on the
circle that passes through the center
B. The distance from the center of a circle to a point on the circle
C. The distance from one point on the circle to another point on the
circle
D. The distance around a circle
Answer:
D. The distance around a circle
Let f(x)=x^2and g(x)=x+3
The function fog(x) is written as x³+ 3x²
How to determine the functionFirst, we need to know that functions are defined as expressions, rules or laws showing the relationship between two variables.
These variables are listed as;
The dependent variableThe independent variablesFrom the information given, we have that;
f(x)=x²
g(x)=x+3
To determine the composite function fog(x), we need to multiply the functions in terms of x, we get;
fog(x) = x²( x + 3)
expand the bracket, we have;
fog(x) = x³+ 3x²
Note that we can no longer add the terms, because they have different powers.
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The complete question :
Let f(x)=x^2and g(x)=x+3. Find fog(x)
Answer the question below!!!!!!!!!!!!!!
a. The total of the three cards is 12. 36
b. The number that should replace the question mark is 1.36
What is the mean of values?The mean of a given set of data is defined as the average of the values.
The formula for the mean of a set of data is given as;
Mean = sum of the data/number of data
From the information given, we have that;
Mean = 5
The data = 8 + 3 + x
Substitute the values, we have;
5 = 8 + 3 + x/3
cross multiply the values, we have;
15 = 11x
Divide both sides by the coefficient, we have;
x = 1. 36
The total of these cards = 8 + 3 + 1.36 = 12. 36
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c. Will bought a tennis racket on sale for $24.60. If the sale was 20% off,
how much was the tennis racket originally?
Answer:
$30.75
Step-by-step explanation:
Since the sale was 20% off, the tennis racket is 80% of its original price.
\(.8p = 24.60\)
\(p = 30.75\)
The graph of the function g (2) is shown below. Use the graph to answer the questions
that follow.
Domain:
A. (-5,4)
B. [-5,4)
C. {z-5≤x≤ 4}
D. {z-5
Range:
A. (-3,3)
B.{y-3≤ y ≤ 3}
C. (-3,3)
D.{y-3
(a) The domain of g (2) is
the list for domain in the table
(b) The range of g (a) is
the list for range in the table
The correct options are C and B:
Domain: {x| -5 ≤ x ≤ 4}
Range: {x| -3 ≤ y ≤ 3}
How to identify the domain and range of the function?
Remember that for a function f(x) = y the domain is the set of the inputs (set of the possible values of x) and the range is the set of the outputs (possible values of y).
To identify the domain we need to look at the horizontal axis. The leftmost value is x = -5, so that is the minimum of the domain.
The rightmost value is x = 4, so that is the maximum of the domain.
Also notice that we have two closed circles, meaning that these values belong to the domain, then:
D: {x| -5 ≤ x ≤ 4}
For the range, we look at the vertical axis.
The lowest value is y = -3, the largest one is y = 3, then the range is:
R: {x| -3 ≤ y ≤ 3}
Then the correct options are C and B
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The measures of the angles of a triangle are shown in the figure below.
Solve for x.
Answer:
x = 46
Step-by-step explanation:
Angles in a triangle add up to equal 180
This means that 107 + 27 + x must equal 180
Note that we've just created an equation that we can use to solve for x.
107 + 27 + x = 180
* solve for x *
combine like terms
134 + x = 180
subtract 134 from both sides
134 - 134 + x = 180 - 134
x = 46
Simplify the expression below, where u, v, and w denote suitable positive real numbers. uv uw VW Log + log + log- log(uvw) W 17 u Major Topic Blooms Score Designation EV LOGARITHM 6 b) The decibel gain n of an amplifier is given by: P2 n = 10 log10 (₁) where P1 is the power input and P2 is the power output. Find the power gain P2 when n= 25 decibels. Major Topic Score Blooms Designation LIMITS AN 7 b) Using the method of first principle find the derivative of the function f(x)= -
1) After simplification: loguv + logvw + loguw -2logv - 2logu - 2logw
Given expression:
log(uv/w) + log(uw/v) + log(vw/u)- log(uvw)
Now simplify using log properties,
log(a/b) = loga - logb
log(ab) = loga + logb
Therefore,
=loguv - logw + loguw -logv + logvw - logu - logu -logv -logw
=loguv + logvw + loguw -2logv - 2logu - 2logw
Hence the simplified form is,
loguv + logvw + loguw -2logv - 2logu - 2logw
2)
Power gain \(P_{2}/ P_{1}\) = 316.22
Given,
n = 10 log(\(P_{2}/ P_{1}\))
n= 25
Now,
25/10 = \(log_{10} \frac{P_{2} }{P_{1} }\)
10^2.5 = \(P_{2}/ P_{1}\)
\(P_{2}/ P_{1}\) = 316.22 .
Hence the power gain in 316.22 .
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Where did you get 105? Also the high school was an accident 6th grade
Answer:
Please give an exact question... it is unclear what you are asking...
Step-by-step explanation:
Provide the complete question to the equation...
What is the value of (-5) the power of 4
Answer:
625
Step-by-step explanation:
(-5)^4 = 625
Use elimination to solve the system below:
4x – 3y = 22
2x – y = 10
Answer:
Y = -2, X = 4
Step-by-step explanation:
When you first use the elimination method, you would multiply 2x-y = 10 by -2 so that you could get the 4x to be eliminated.
4x-3y = 22
(2x-y = 10)-2 = -4x + 2y = -20
When you add those 2 together you are left with -y = 2, which you divide by negative to get y = -2. Then you substitute -2 for y to solve for x. I substituted the bottom equation
2x - (-2) = 10
2x +2 = 10
2x = 8
Divide both sides by 2 to get x = 4.
Jane, kevin, and hans have a total of in their wallets. kevin has less than jane. hans has times what jane has. how much does each have?
Based on the given conditions, Jane has $31, Kevin has $25, and Hans has $50 in their wallets.
Let's solve the problem step by step.
First, let's assume that Jane has X dollars in her wallet. Since Kevin has $6 less than Jane, Kevin would have X - $6 dollars in his wallet.
Next, we're given that Hans has 2 times what Kevin has. So, Hans would have 2 * (X - $6) dollars in his wallet.
According to the information given, the total amount of money they have in their wallets is $106. We can write this as an equation:
X + (X - $6) + 2 * (X - $6) = $106
Simplifying the equation:
4X - $18 = $106
4X = $124
X = $31
Now we know that Jane has $31 in her wallet.
Substituting this value into the previous calculations, we find that Kevin has $31 - $6 = $25 and Hans has 2 * ($25) = $50.
To find the total amount they have, we sum up their individual amounts:
Jane: $31
Kevin: $25
Hans: $50
Adding these amounts together, we get $31 + $25 + $50 = $106, which matches the total amount stated in the problem.
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The complete question is:
Jane, kevin and hans have a total of $106 in their wallets. kevin has $6 less than Jane. hans has 2 times what kevin has. how much do they have in their wallets?
please help me i really need it
Answer:
Step-by-step explanation:
I need to find x. It wants me to find the indicated angle measure.
Answer:
x=33
Step-by-step explanation:
2x-18+4x=180
6x-18=180 combine like terms
+18 +18 add on both sides
6x= 198 divide
x= 33
For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
Answer:
x = 6
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is
x² + 8² = 10²
x² + 64 = 100 ( subtract 64 from both sides )
x² = 36 ( take square root of both sides )
x = \(\sqrt{36}\) = 6
If a=(2x-5) and b=(2x+5),show that ab+25 -------- =x square 4
Step-by-step explanation:
Answer with explanation is in the attachment
Hope my answer is helpful to you
What are the solutions of the original equation?
✓
x = 1 or x = -2
Xx=-1 or x = 2
x = -5 or x = -2
x = 4 or x = -5
A cube numbered 1-6 is rolled once. What is the probability that the side facing up shows 4?
What are the roots of the equation?
10x2 - 6x + 4 = -3x
Answer:
(3 +/- i*sqrt(151) / 20 (no real solutions)
Step-by-step explanation:
10x^2 - 6x + 4 = -3x
Add 3x to both sides
10x^2 - 6x + 4 + 3x = -3x + 3x
10x^2 - 6x + 4 + 3x = 0
Add like terms
10x^2 - 3x + 4 = 0
We have to use quadratic formula to find the answers
For this equation, a = 10, b = -3 and c = 4
Note: +/- is plus or minus
Quadratic formula:
x = (-b +/- sqrt(b^2 - 4ac)) / 2a
x = (-(-3) +/- sqrt(-3^2 - 4(10)(4))) / 2(10)
x = (3 +/- sqrt(9 - 160)) / 20
x = (3 +/- sqrt(-151) / 20
x = (3 +/- i*sqrt(151) / 20
if there's a "-" sign inside a square root, it will give you an imaginary number.
Example:
-sqrt(9) = -3
sqrt(-9) = 3i (first you will ignore the "- " sign, then square the number. After finding the square root, take that '-' sign and turn it to an "i")
So for sqrt(-151), 151 is not a perfect square, so you will get a decimal number. Leave it as it is:
sqrt(151). We can't forget about the "-". Turn the minus into a sign.
It will be i*sqrt(151)
Imaginary numbers can't be simplified, so this is the answer.
(3 +/- i*sqrt(151) / 20