Answer:
If it counts as a question, lol sure, I'd love to help
How to solve x(x-3)=0
Step-by-step explanation:
x(x-3)=0
x=0 or (x-3) =0
x= 0 or x =3
Can someone please help awnser these.
The answers are 4. a) 15.7 cm, b) 26.25 m, 5. a) 128.74 cm, b) 40.82 mm, c) 45 cm and 6. 777.28 cm
Given are the circles and the circular items we need to find their circumference,
Circumference of a circle = 2π × radius = Diameter × π
4. a) Circumference = 5 × 3.14 = 15.7 cm
b) Circumference = 8.36 × 3.14 = 26.25 m
5. a) Circumference = 41 × 3.14 = 128.74 cm
b) Circumference = 13 × 3.14 = 40.82 mm
c) Circumference = 14.3 × 3.14 = 45 cm
6.
The perimeter of the cloth = circumference of the circular ends plus length in the middle,
= 76 × 2 × 3.14 + 150 × 2
= 477.28 + 300
= 777.28 cm
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A number is between 40 and 45 . It has prime factors of 2 and 11. What is the number?
Answer: 42
Step by step:
42 is divisible by both 7 and 2
Answer:
44
Step-by-step explanation:
4 x 11 = 44
2 x 22 = 44
The diagram shows EFG. Which term describes point H?
A. Circumcenter
B. Incenter
C. Orthocenter
D. Centroid
Point H is the ortho-center of our given triangle and option c is the correct choice.
We have been given an image of a triangle. We are asked to find the term that describes point H.
We can see that point H is the point, where, all the altitudes of our given triangle EFF are intersecting.
We know that ortho-center of a triangle is the point, where all altitudes of triangle intersect. Therefore, point H is the ortho-center of our given triangle and option c is the correct choice.
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Nelson lands 4650 on 2% interest rate. He plans to pay this after 2 months. What will the total principal and interest payment be?
The total principal and interest payment that Nelson will have to pay after 2 months is $4665.50.
To calculate the total principal and interest payment, we need to determine the interest amount and add it to the principal.
First, let's find the interest amount:
Interest = Principal x Interest Rate x Time
Given:
Principal = $4650
Interest Rate = 2% per year
Time = 2 months
Since the interest rate is given on an annual basis, we need to convert the time from months to years. There are 12 months in a year, so 2 months is equivalent to 2/12 = 1/6 years.
Interest = $4650 x 0.02 x (1/6) = $15.50
Now, we can calculate the total principal and interest payment:
Total Payment = Principal + Interest
Total Payment = $4650 + $15.50 = $4665.50
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-2\tfrac{1}{2}-\Big(-4\tfrac{3}{5}\Big)
−2 /2/1 −(−4 3/5)
The value of the fraction expression -2 1/2 - (-4 3/5) is 2 1/10
How to evaluate the expressionFrom the question, we have the following parameters that can be used in our computation:
−2 /2/1 −(−4 3/5)
Express properly
So, we have the following representation
-2 1/2 - (-4 3/5)
Remove the brackets
This gives
-2 1/2 - (-4 3/5) = -2 1/2 + 4 3/5
Express the denominator as 10
So, we have
-2 1/2 - (-4 3/5) = -2 5/10 + 4 6/10
Evaluate the difference
-2 1/2 - (-4 3/5) = 2 1/10
Hence, the solution is 2 1/10
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Find the LCM of 1-x^2 and (x-1)^3
The LCM of 1-x^2 and (x-1)^3 is (x-1)^3.
How to find the LCM of the Polynomial?To find the LCM, we take the polynomial with the highest degree (which determines the degree of the LCM) and then make sure that it contains all the terms from the other polynomials.
The degree of (x-1)^3 is 3 and the degree of 1-x^2 is 2.
So, we take (x-1)^3 as the starting point for the LCM and then add any missing terms from 1-x^2.
In this case, (x-1)^3 already contains all the terms from 1-x^2, so the LCM is (x-1)^3.
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In order for the parallelogram to be a rhombus , x=[?]. (5x+20)
Answer:
x = 4
Step-by-step explanation:
x = 4
because 5x + 20 = 5(x + 4)
Answer:
x = 14
Step-by-step explanation:
x = 14
What is the ratio of x to y?
5x = 6y
Answer:
6:5
Step-by-step explanation:
Divide both sides by y . ⇒5xy=6y y. ⇒5xy=6. Divide both sides by 5 . ⇒5 x5 y=65. ⇒xy=65. ⇒x:y=6:5.
The ratio between x and y, when 5x = 6y, is 6:5.
Given is an equation 5x = 6y, we need to find the ratio between x and y,
To determine the ratio of x to y in the equation 5x = 6y, we need to isolate one of the variables and express it in terms of the other.
Let's isolate x:
5x = 6y
Divide both sides of the equation by 5:
x = (6y) / 5
Now we have an expression for x in terms of y. The ratio of x to y can be represented as:
x/y = (6y) / (5y)
The y terms cancel out:
x/y = 6/5
Therefore, the ratio of x to y is 6:5.
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Pls help ill give brainliest and five stars and thank you
Help with this math problem right answers only points and brainlest!
Answer: it is c because there is 4 balls for red and 3 balls for clear not the same there is more possibility for red
Step-by-step explanation:
Answer:
The answer is C.
On a test a student got 15 problems correct out of a total of 20 problems.
What percent did the student get incorrect?
HURRY
Which of the following is equivalent to the expression below when x less or equal to 0?
Dam I have a horrible screen
Answer:
A
Step-by-step explanation:
\(\sqrt{x^3}\) = \(x\sqrt{x}\)
\(\sqrt{16x^3}\) = \(4x\sqrt{x}\)
\(x\sqrt{x}\) + \(4x\sqrt{x}\) \(-3x\sqrt{x}\)
= \(5x\sqrt{x}\) \(-3x\sqrt{x}\)
= \(2x\sqrt{x}\)
A pentagon can be broken up into 5 equal sized triangels as pictured below. Knowing this, how do you think you can find the area of a pentagon? What do you think the area of this pentagon is?
Please Help, I'll Give Brianliest
ASAP!!! Answer the following include all steps
Question 1:
(a) The equation representing Elaine's total parking cost is:
C = x * t
(b) So the cost of parking for a full 24 hours would be 24 times the cost per hour.
Question 2:
The given system of equations is inconsistent and has no solution.
(a) To represent Elaine's total parking cost, C, in dollars for t hours, we need to know the cost per hour. Let's assume the cost per hour is $x.
(b) If Elaine wants to park her car for a full 24 hours, we can substitute t = 24 into the equation from part (a):
C = x * 24
Question 2:
To solve the linear system:
-x - 6y = 5
x + y = 10
We can use the elimination method.
Multiply the second equation by -1 to create opposites of the x terms:
-x - 6y = 5
-x - y = -10
Add the two equations together to eliminate the x term:
(-x - 6y) + (-x - y) = 5 + (-10)
-2x - 7y = -5
Now we have a new equation:
-2x - 7y = -5
To check the answer, we can substitute the values of x and y back into the original equations:
From the second equation:
x + y = 10
Substituting y = 3 into the equation:
x + 3 = 10
x = 10 - 3
x = 7
Checking the first equation:
-x - 6y = 5
Substituting x = 7 and y = 3:
-(7) - 6(3) = 5
-7 - 18 = 5
-25 = 5
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Four students were discussing how to find the unit rate for a proportional relationship. Which method is valid? “Look at the graph of the relationship. Find the y-value of the point that corresponds to x = 1. That value is the unit rate.” “Look at the graph of the relationship. Count the number of units up and the number of units to the right one must move to arrive at the next point on the graph. Write these two numbers as a fraction.” “Look at the graph of the relationship. Find the x-value of the point that corresponds to y = 2. That value is the unit rate.” “Look at the graph of the relationship. Find two points which have y-values that are one unit apart. The unit rate is the difference in the corresponding x-values.”
the x =1 divided by 4 plus 2 eqauls for 400
Order the steps to solve the equation
log(x2 - 15) = log(2x) form 1 to 5.
x2 - 2x - 15 = 0
Potential solutions are -3 and 5
10.00
x2 - 15 = 2x
X-5 = 0 or x +3=0
(x - 5)(x + 3) = 0
DONE
Answer:
1. log(x2 - 15) = log(2x) form 1 to 5
2. 10.00 ( log(x2 - 15) - log(2x) = 0 ⇒ log(\(\frac{x^{2}-15 }{2x}\)) = 0 ⇒ \(\frac{x^{2}-15}{2x}\) = 10^0 )
3. x2 - 15 = 2x
4. x2 - 2x - 15 = 0
5. (x - 5)(x + 3) = 0
6. X-5 = 0 or x +3=0
7. Potential solutions are -3 and 5
Answer:
its 2 5 1 4 3 on edge 2022
Step-by-step explanation:
The stem-and-leaf plots list the ages of the people in Lee’s study group and in Paul’s study group.
Which statement is NOT correct?
a. Paul’s group has a wider range of ages.
b. The data for Paul’s group has two modes.
c. The median age in both groups is 44 years.
d. The mean age in both groups is between 41 and 42 years.
The false statement from the stem-and-leaf plot is given as follows:
b. The data for Paul’s group has two modes.
What is a stem-and-leaf plot?The stem-and-leaf plot lists all the measures in a data-set, with the first number as the key, for example:
4|5 = 45.
The mode of a data-set is the data-set that appears the most times in a data-set.
Hence, for Paul's group, the mode is given as follows:
44.
As it is the only observation that appears the times, hence the data has one mode, and option b gives the false statement.
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Recommendations Skill plans Seventh grade > R. 18 Identify equivalent linear expressions Which expression is equivalent to -5(-20 + 1)? -2u - 5 100 - 5
-5(-2u+1)
by using the -5 to expand the bracket, we have the value below..
-5x-2u -5x1
10u - 5 Option B
Jerry had 35 big stickers and 20 small stickers at first. He exchanged 10 small stickers for 5 big stickers. What percentage of his sticker are big stickers in the end?
(1) 10% (2) 20% (3) 40% (4) 80%
Answer:
80%
Step-by-step explanation:
After all the trade he got 50 stickers
40 Big
10 small
50 stickers is 100%
40B stickers is ??
WE multiply 40 by 100 then divide by 50
so 80%
geometry pls help i will give brainliest
The line m is not parallel to line n. Hence, proved.
What are angles of parallel lines?Angles in parallel lines are angles that are created when two parallel lines are intersected by another line called a transversal.
Given that, line m is not parallel to line n.
Prove that, ∠1 is not congruent to ∠5 by contradiction.
A by contradiction proof starts by assuming the negative of the to prove is true, then from there logically arriving at a contradiction.
So, assume ∠1 ≅ ∠5.
Those angles are corresponding angles (definition of corresponding angles when two lines are cut by a transversal)
Therefore, line m║n (when two lines are cut by a transversal such that corresponding angles are congruent, then those lines are parallel).
This contradicts the given information that line m is not parallel to line n, so the original assumption cannot be true.
Hence, it is proved.
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what is the solution to the equation:
5(n - 1/10) = 1/2
a. n= 13/5
b. n= 3/25
c. n= 0
d. n= 1/5
\( \sf \longrightarrow \: 5 \bigg( \: n - \frac{1}{10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: 5 \bigg( \: \frac{n}{1} - \frac{1}{10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: 5 \bigg( \: \frac{10 \times n - 1 \times 1}{1 \times 10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: 5 \bigg( \: \frac{10n - 1}{ 10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: \: \frac{50n - 5}{ 10} = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: \: 2(50n - 5) =1(10) \\ \)
\( \sf \longrightarrow \: \: 2(50n - 5) =10 \\ \)
\( \sf \longrightarrow \: \: 100n - 10=10 \\ \)
\( \sf \longrightarrow \: \: 100n =10 + 10\\ \)
\( \sf \longrightarrow \: \: 100n =20\\ \)
\( \sf \longrightarrow \: \:n = \frac{2 \cancel{0}}{10 \cancel{0}} \\ \)
\( \sf \longrightarrow \: \:n = \frac{1}{5} \\ \)
Answer:-
Answer:- D) n = ⅕ ✅To solve the equation \(\sf 5(n - \frac{1}{10}) = \frac{1}{2} \\\) for \(\sf n \\\), we can follow these steps:
Step 1: Distribute the 5 on the left side:
\(\sf 5n - \frac{1}{2} = \frac{1}{2} \\\)
Step 2: Add \(\sf \frac{1}{2} \\\) to both sides of the equation:
\(\sf 5n = \frac{1}{2} + \frac{1}{2} \\\)
\(\sf 5n = 1 \\\)
Step 3: Divide both sides of the equation by 5 to isolate \(\sf n \\\):
\(\sf \frac{5n}{5} = \frac{1}{5} \\\)
\(\sf n = \frac{1}{5} \\\)
Therefore, the solution to the equation \(\sf 5(n - \frac{1}{10})\ = \frac{1}{2} \\\) is \(\sf n = \frac{1}{5} \\\), which corresponds to option (d).
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two more than a number is less than 13
Answer:
x + 2 < 13
Step-by-step explanation:
hopefully this helps :)
have a nice day !!
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Tell whether each number is a real number, a rational number, an irrational number, an integer or a whole number. Then order the numbers from these to greatest
26. -11.5, -11, -10, 12.5, 12
The order from smaller to greatest is -11.5, -11, -10, 12, 12.5.
What are whole number?Zero, a positive natural number, or a negative integer denoted by a minus sign are all examples of integers. The inverse additives of the equivalent positive numbers are the negative numbers. The set of integers is frequently represented in mathematical notation by the boldface Z or blackboard bold math Z.
What are real numbers?The value of a continuous quantity that can represent a distance along a line is a real number. René Descartes first used the word "real" in this meaning in the 17th century when he made a distinction between the real and imaginary roots of polynomials.
Given numbers are -11.5, -11, -10, 12.5, 12
The order from smaller to greatest is -11.5, -11, -10, 12, 12.5.
Real numbers: -11.5, -11, -10, 12, 12.5.
Rational numbers: -115/10, 125/10
Integer numbers: -11.5, -11, -10, 12, 12.5.
Whole numbers: 12, 12.5, 26
Therefore, the order from smaller to greatest is -11.5, -11, -10, 12, 12.5.
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Question 2: Benjamin rolls an ordinary six-sided dice and flips a coin. List all the possible outcomes.
Answer:
Step-by-step explanation:
How to solve this problem
Answer:
Solving the radical \(\pm\sqrt{-81}\) we get \(\mathbf{\pm9 \ i}\)
Step-by-step explanation:
We need to express the radical \(\pm\sqrt{-81}\) using the imaginary unit i
Prime factors of 81 are: 3x3x3x3
and \(\sqrt{-1}=i\)
Solving:
\(\pm\sqrt{-81}\\=\pm\sqrt{81}\sqrt{-1}\\=\pm\sqrt{3\times3\times3\times3}i\\ =\pm\sqrt{3^2\times3^2}i\\=\pm3\times3\ i\\=\pm9 \ i\)
So, Solving the radical \(\pm\sqrt{-81}\) we get \(\mathbf{\pm9 \ i}\)
Which expression has a value of 26 when a=4 and b=5
The expression that has a value of 26 when a=4 and b=5 is option B: a \((√16+ b) - 10.\)
Let's substitute a=4 and b=5 in each expression and see which one has a value of 26:
An expression is a mathematical phrase that can contain numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division. Expressions can also include exponents, roots, and other mathematical symbols. The value of an expression can vary depending on the specific values of the variables used in the expression.
A) \(a√16+b-10 = 4√16 + 5 - 10 = 4x4 + 5 - 10 = 9\)(not equal to 26)
B)\(a (√16+ b) - 10 = 4(√16 + 5) - 10 = 4(4 + 5) - 10 = 26\) (equal to 26)
C) \(a√16+ (b-10) = 4√16 + (5-10) = 4x4 - 5 = 11\) (not equal to 26)
D)\((a√16) + b-10 = (4√16) + 5 - 10 = 4x4 + 5 - 10 = 9\)(not equal to 26)
Therefore, the expression that has a value of 26 when a=4 and b=5 is option B: \(a (√16+ b) - 10.\)
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Which is irrational?
of
O√9
8.15
O √6
Answer:
\( \sqrt{9} \)
Additional Information :# What is Irrational Number ?
It states that every number which is not written in the form of \(\frac{p}{q}\).For eg :- \(\pi\) , \(\sqrt{}\), \(e\) etc.Diven {x) = 3x- 1 and 9(x) = 2x-3, for which value of x does g(X) = {2)?
The calculated value of x at g(x) = 2 is x = 2.5
How to determine the value of x at g(x) = 2from the question, we have the following parameters that can be used in our computation:
f(x) = 3x - 1
Also, we have
g(x) = 2x - 3
When g(x) - 2, we have
2x - 3 = 2
So, we have
2x = 5
Divide by 2
x = 2.5
Hence, the value of x at g(x) = 2 is x = 2.5
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The difference between a number and seven is less than or equal to -3. Find the possible numbers. n ≤ 4 n ≥ 4 n ≤ -10 n ≥ -10
Answer:
n ≤ 4
Step-by-step explanation:
"The difference between a number and seven is less than or equal to -3" can be written as n-7 ≤ -3
n-7 ≤ -3
Add 7 to both sides
n ≤ 4
Answer is n ≤ 4
See picture attached for the math