7th grade math help me plzzzzz
find the value of x round to the nearest tenth. 10 7 x
Answer:
Step-by-step explanation:
10.6= 11 when rounded
Trust me po hehe
Choose the two equations you would use to solve the absolute value equation below. Then solve the two equations.
|6x – 4| = 6
A.
6x + 4 = 6 and 6x – 4 = –6;
B.
6x + 4 = 6 and 6x – 4 = –6;
C.
6x – 4 = 6 and 6x – 4 = –6
D.
6x – 4 = 6 and 6x – 4 = –6;
The solution to the absolute value equation |6x – 4| = 6 is 6x - 4 = 6 and 6x - 4 = -6
What is an equation?An equation is an expression that shows the relationship between numbers and variables.
The absolute value of a real number x is the non-negative value of x without regard to its sign.
Given the absolute value equation:
|6x - 4| = 6
Therefore, the absolute equation can be represented by:
6x - 4 = 6 and -(6x - 4) = 6
Simplifying:
6x - 4 = 6 and 6x - 4 = -6
adding like terms:
6x = 10 and 6x = -2
x = 5/3 and x = -2/3
The solution to |6x – 4| = 6 is x = 5/3 and x = -2/3
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PLEASE HELPPPPPP!!!!!!! [easy]
Answer: d
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
equivalent answers for 64 to the power of 2/3
Answer:
16
Step-by-step explanation:
Dealing with a fraction exponent on hand can be converted by using the fractional exponents rule where the fraction exponent is converted to something like this:
\(64^\frac{2}{3} = \sqrt[3]{64^{2}}\\\)
As you can see, the denominator of the fractional exponent is now the index of the radical. Here is a guide to know what goes where.
\(64^\frac{x}{y} = \sqrt[y]{64^{x}}\)
Both the original problem (64^2/3) and the converted formula can be put into a calculator.
Simplify (if you want to)
\(\sqrt[3]{64^{2}}\\\sqrt[3]{4096}\\16\)
64 to the power of 2/3 is 16.
Use a software program or graphing utility with matrix capabilities to decode the cryptogram. 3 2 6
A= 1 1 3
1 1 4
24 24 77 73 57 176 46 33 104 74 56 188 29 21 63 32 27 86 85 63 203 68 48 144 74 51 153 90 67 213 37 25 76 60 48 145 94 69 207 72 54 175 30 25 77 33 28 84 SEMPTEMBER THE ELEVENTH WILL ALWAYS REMEMBER
To decode the cryptogram, we need to multiply the matrix A by the column vector [3, 2, 6] using matrix multiplication.
Each entry in the resulting vector corresponds to a letter in the decoded message.
Let's perform the matrix multiplication:
A =
[1 1 3]
[1 1 4]
Column vector: [3, 2, 6]
A * [3, 2, 6] = [24, 24, 77, 73, 57, 176, 46, 33, 104, 74, 56, 188, 29, 21, 63, 32, 27, 86, 85, 63, 203, 68, 48, 144, 74, 51, 153, 90, 67, 213, 37, 25, 76, 60, 48, 145, 94, 69, 207, 72, 54, 175, 30, 25, 77, 33, 28, 84]
The resulting vector represents the ASCII values of the characters in the decoded message. Converting these ASCII values back to their corresponding letters, we obtain the decoded message:
"SEMPTEMBER THE ELEVENTH WILL ALWAYS REMEMBER"
Please note that the decoded message may contain additional spaces or punctuation marks that are not present in the original matrix representation.
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Find the slope of each side of this quadrilateral and use that information to explain why it is a rectangle
8
BI
Your answer might look like this (you can 'copy-paste' the sentences below and fill in the blanks)
The slope of the side BA is The slope of the side BC is_-
The slope of the side BA is__ The slope of the side AD is_
The slope of the side CD is
The slope of the side AD is_
The slope of the side CD is
The slope of the side BC is
Finding the slopes tell me that this quadrilateral is a rectangle because_
Step-by-step explanation:
the answer is in the above image
The price of licorice is proportional to its length. It costs $0.50 to buy 5in. How much licorice can you get for $1.80
Answer: 18in
Step-by-step explanation:
0.50x 3 = 1.50
50 divided by 5 is 10
1in every 10 cent
The fundamental question addressed by the correlational method is
a. "Does variable A cause variable B?"
b. "How is a control group influenced by the absence of an independent variable?"
c. "What impact does random assignment have on psychological behavior?"
d. "Are two or more variables related in some systematic way?"
The fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way. So the correct option is D.
Correlational method is a research technique used to explore the relationship between two or more variables. In this method, researchers collect data on the variables of interest and analyze their patterns of association. The fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way. This means that researchers are interested in exploring whether changes in one variable are associated with changes in another variable.
For instance, a researcher may be interested in exploring the relationship between stress and job performance. The researcher may collect data on the levels of stress and job performance in a sample of employees and then use statistical analysis to determine if there is a systematic relationship between the two variables. If the results show that higher levels of stress are associated with lower levels of job performance, then the researcher can conclude that there is a negative correlation between the two variables.
It is important to note that correlation does not imply causation. While a correlation between two variables indicates that they are related, it does not necessarily mean that changes in one variable are causing changes in the other variable. Therefore, researchers must be cautious when interpreting correlational data and should consider other factors that may be influencing the relationship between variables.
Therefore, the fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way, and researchers must be cautious when interpreting correlational data and should consider other factors that may be influencing the relationship between variables.
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Eric’s father works two part-time jobs, one in the morning and one in the afternoon, and works a total of 40 hours each 5-day workweek. If his schedule is the same each day, and he works 3 hours each morning, how many hours does Eric’s father work each afternoon? Make a tape diagram to represent the problem and solve.
i hate word problems TvT
You have a bag of poker chips, containing 2 white, 1 red, and 3 blue chips. White chips are worth $1, red chips are worth $3 and blue chips are worth $5. You need $7 worth of chips in order to see someone’s raise, so you take chips out of the bag one at a time, noting the color of each one as it’s removed, and stop when the total value of the chips removed is at least $7. How many sequences of chip colors are possible when you do this?
There are 144 possible sequences of chip colors.
How many sequences of chip colors are possibleWe can solve this problem by counting the number of possible sequences of chip colors that can be drawn from the bag until the total value of the chips is at least $7.
Let's consider all the possible sequences of chips that can be drawn from the bag. The first chip can be any of the 6 chips in the bag. For each chip color, there are different scenarios that can happen after drawing the first chip:
If the first chip is a white chip, then we need to draw chips worth $6 more in order to reach $7. We can draw any combination of the remaining 5 chips to get a total value of $6 or more. There are 2 white, 1 red, and 3 blue chips remaining, so there are 2^5 = 32 possible combinations.If the first chip is a red chip, then we need to draw chips worth $4 more in order to reach $7. We can draw any combination of the remaining 5 chips to get a total value of $4 or more. There are 2 white, 1 red, and 3 blue chips remaining, so there are 2^5 = 32 possible combinations.If the first chip is a blue chip, then we need to draw chips worth $2 more in order to reach $7. We can draw any combination of the remaining 5 chips to get a total value of $2 or more. There are 2 white, 1 red, and 2 blue chips remaining, so there are 2^4 = 16 possible combinations.Therefore, the total number of possible sequences of chip colors that can be drawn from the bag until the total value of the chips is at least $7 is: 2 x 32 + 1 x 32 + 3 x 16 = 144
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Find the missing length. = √ [?] 9 C C= 10 Pythagorean Theorem: a2 + b² = c²
The value of the missing length is c = √181
How to determine the missing length?From the question, we have the following parameters that can be used in our computation:
Legs = 9 and 10
Hypotenuse = c
The missing length of the triangle can be calculated using the Pythagorean Theorem represented as a² + b² = c²
So, we have the following equation
c² = 9² + 10²
Evaluate the sum of squares
c² = 181
Take the square root of both sides
c = √181
Hence, the missing length is c = √181
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If there are 9 players on a team how many different ways can you make a lineup?
A) 387,420,489
B) 362,880
C) 81
D) 336
Answer:
B
Step-by-step explanation:
9!=362880
Find the product of 32 and 46. Now reverse the digits and find the product of 23 and 64. The products are the same!
Does this happen with any pair of two-digit numbers? Find two other pairs of two-digit numbers that have this property.
Is there a way to tell (without doing the arithmetic) if a given pair of two-digit numbers will have this property?
Let's calculate the products and check if they indeed have the same value:
Product of 32 and 46:
32 * 46 = 1,472
Reverse the digits of 23 and 64:
23 * 64 = 1,472
As you mentioned, the products are the same. This phenomenon is not unique to this particular pair of numbers. In fact, it occurs with any pair of two-digit numbers whose digits, when reversed, are the same as the product of the original numbers.
To find two other pairs of two-digit numbers that have this property, we can explore a few examples:
Product of 13 and 62:
13 * 62 = 806
Reversed digits: 31 * 26 = 806
Product of 17 and 83:
17 * 83 = 1,411
Reversed digits: 71 * 38 = 1,411
As for determining if a given pair of two-digit numbers will have this property without actually performing the multiplication, there is a simple rule. For any pair of two-digit numbers (AB and CD), if the sum of A and D equals the sum of B and C, then the products of the original and reversed digits will be the same.
For example, let's consider the pair 25 and 79:
A = 2, B = 5, C = 7, D = 9
The sum of A and D is 2 + 9 = 11, and the sum of B and C is 5 + 7 = 12. Since the sums are not equal (11 ≠ 12), we can determine that the products of the original and reversed digits will not be the same for this pair.
Therefore, by checking the sums of the digits in the two-digit numbers, we can determine whether they will have the property of the products being the same when digits are reversed.
Helpppp plssss anyoneeee
Answer:
1.25
Step-by-step explanation:
that was my answer!!!
You plan to deposit $5,000 at the beginning of each year in an account that pays 9% interest per year. How much will the account be worth at the end of 6 years (Enter the final answer as a positive number and round your answer to 2 decimals)? Your Answer:
Using the formula for the future value of an annuity:
FV = (PMT x (((1 + r)^n - 1) / r)) + (PMT x (1 + r)^n)
where:
PMT = $5,000 (the amount deposited at the beginning of each year)
r = 9% per year (interest rate)
n = 6 years
FV = (5000 x (((1 + 0.09)^6 - 1) / 0.09)) + (5000 x (1 + 0.09)^6)
FV = (5000 x (7.531684)) + (5000 x 1.611946)
FV = 37,658.42
Therefore, the account will be worth approximately $37,658.42 at the end of 6 years.
factor completely 3x^2-5x-2
Answer:
(3x + 1) (x - 2)
Step-by-step explanation:
3x² - 5x - 2
For a polynomial of the form ax² + bx + c, rewrite the middle term as a sum of two terms whose product is a ⋅ c = 3 ⋅ − 2 = − 6 and whose sum is b = − 5.
3x² + x - 6x - 2
Factor out the GCF from each group.
x (3x + 1) - 2 (3x + 1)
Factor the polynomial by factoring out the greatest common factor, 3x+1.
(3x + 1) (x - 2)
A square has a perimeter of 16 in. what is a side length of square
Answer:
4 inches
Step-by-step explanation:
A square has four sides that are always the same length. If all four sides added up are 16, then one side would be 16/4, which is 4.
Which one is greater 5.2 or 60.3
Answer:
60.3
Step-by-step explanation:
60.3 is larger than 5.2. Not much else to say! :D Have a nice day :))
Answer:
60.3
Step-by-step explanation:
let's start it even simpler:
which is greater 5 or 60 ?
I think now it is clear, right ? 60 is far greater than 5.
everything coming after the decimal point provides much smaller information than what is there before the decimal point. for such a question we only need to look after the decimal point, if the information before the decimal point is the same.
the function h ( x ) = 1 x 6 can be expressed in the form f ( g ( x ) ) , where g ( x ) = ( x 6 ) , and f ( x ) is defined as: f ( x ) = incorrect
The function h(x) = 1/x^6 can be written as f(g(x)), where g(x) = (x^6) and f(x) = 1/x.
What is a function?
A function is a relationship or expression involving one or more variables. It has a set of inputs and outputs. Each input has only one output. The function is the description of how the inputs relate to the output.
This means that we are representing h(x) as the composition of two functions, g(x) and f(x), such that the output of g(x) is plugged into f(x) to give us h(x).
In this case, g(x) = (x^6) takes in x and returns x^6, while f(x) = 1/x takes in x^6 and returns 1/(x^6).
When we plug the output of g(x) into f(x), we get h(x) = 1/(x^6).
So, in essence, we have expressed h(x) = 1/x^6 as f(g(x)), where g(x) = (x^6) and f(x) = 1/x.
Hence, The function h(x) = 1/x^6 can be written as f(g(x)), where g(x) = (x^6) and f(x) = 1/x.
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The apothem is the perpendicular distance from the _____ of a regular polygon to any one of its sides.
The apothem is the perpendicular distance from the center of a regular polygon to any one of its sides.
The apothem of a regular polygon is the perpendicular distance from the center of the polygon to any one of its sides because it serves as a measure of the inradius, or the radius of the circle inscribed within the polygon. In a regular polygon, all sides are congruent and all interior angles are equal, so the apothem is the same for all sides.
To see this, imagine drawing radii from the center of the polygon to each vertex, and then drawing the perpendicular bisector of each side. These perpendicular bisectors will all intersect at the same point, which is the center of the polygon. The apothem is the length of the line segment connecting this center point to any one of the sides of the polygon.
The apothem is useful in finding the area of a regular polygon. By using the formula for the area of a regular polygon in terms of the apothem and the number of sides, one can find the area of a regular polygon without having to find the exact shape of the polygon.
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Jeff paid a flat fee of $269.50 for a year's worth of vet visits for
his 4 cats. He made 14 visits during the year. What was the
average cost per visit?
Answer:
Step-by-step explanation:
269.50 divided by the 14 visits equals the average cost for one visit, or $19.25... which is honestly a fantastic deal lol
A principal at a large high school wants to estimate the number of days freshmen regularly ride the bus to school.
The principal randomly selects 35 freshmen and asks them how many days per week they ride the school bus. The
principal constructs a 90% confidence interval for the true mean number of days freshmen ride the bus to school per
week. Which of the following would decrease the margin of error?
O using a sample of size 30
O using a sample of size 40
constructing a 95% confidence interval
O constructing a 99% confidence interval
Answer:
b. using a sample of size 40
Step-by-step explanation:
edg 2020
Answer:
B. using a sample of size 40
Step-by-step explanation:
is the sum of the integers x and y a prime number? (1)x is an even prime number. (2)y is a prime number between 10 and 20.
Based on the given information, we know that x must be 2 since it is the only even prime number. We also know that y must be either 11, 13, 17, or 19 since those are the only prime numbers between 10 and 20.
So, the sum of x and y can be 2 + 11 = 13, 2 + 13 = 15, 2 + 17 = 19, or 2 + 19 = 21.
Out of these four possible sums, only 13, 17, and 19 are prime numbers. Therefore, we can say that the sum of x and y may or may not be a prime number, depending on the specific values of x and y.
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SOMEONE PLEASE HELP ME! I promise i will mark brainlest, but i need the right answer for this. help is much appreciated <3
Answer:
I say A or B but in favor A
Step-by-step explanation:
The pair of shoes you want is on sale for 25% off. If the shoes originally cost $65, how much is the sale price
Which label on the cone below represents the center of the base? A cone, A is the radius, B is the height, C is the center of the base, and D is the vertex. A B C D
Answer:
C
Step-by-step explanation:
The diagram of the cone is drawn and attached below.
We are given the following information:
A = the radiusB = the heightC = the center of the baseD = the vertex.Therefore, the label which represents the center of the base is C.
The label that represents the center of the base of the cone is the center of the base.
What is a cone?A cone is a three-dimensional object that is made up of a circular base and a pointed edge at the top known as the vertex. The cone is made up of the radius, slant height and the height. The center of a cone is the center of the base of the cone.
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The blood platelet counts of a group of women have a bell-shaped distributon with a mean of 257.4 and a standard deviaton of 66.5. (All units are 1000 ceisid.) Using the empircal rule, find each approximath percentage below a. What is the approximate percentage of women wth platelet counts within 1 standard deviation of the mean, or between 1909 and 323.97 b. What is the approxmate percentage of women with platelet counts between 579 and 4569 ? a. Approximately In of women in this group have platelet counts within 1 standard deviation of the mean, or between 190.9 and 3239 (Type an integer or a decimal. Do not round.)
Using the empirical rule, we can estimate the percentage of women with platelet counts within certain ranges based on the mean and standard deviation of the distribution. In this case, we are interested in finding the approximate percentage of women with platelet counts within 1 standard deviation of the mean and between specific values.
The empirical rule states that for a bell-shaped distribution (normal distribution), approximately 68% of the data falls within 1 standard deviation of the mean, approximately 95% falls within 2 standard deviations, and approximately 99.7% falls within 3 standard deviations.
(a) For the platelet counts within 1 standard deviation of the mean, we can calculate the approximate percentage as follows:
Percentage = 68%
(b) To find the approximate percentage of women with platelet counts between 579 and 4569, we need to determine the number of standard deviations these values are away from the mean. We can then use the empirical rule to estimate the percentage. First, we calculate the z-scores for the given values:
Z-score for 579 = (579 - 257.4) / 66.5
Z-score for 4569 = (4569 - 257.4) / 66.5
Once we have the z-scores, we can refer to the empirical rule to estimate the percentage. However, without the specific z-scores or further information, we cannot provide an accurate estimate.
In summary, the approximate percentage of women with platelet counts within 1 standard deviation of the mean is 68%. Without specific z-scores, we cannot determine the approximate percentage of women with platelet counts between 579 and 4569.
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Simplify 3x^3 * 7y^2 * 4x * 5y ^3 using the rules of exponents
Using the rule of exponents, the expression is 12x^4 × 35y^5
What are the rules of exponents?The rules of exponents are given as:
Product of powers rule — When they are like bases, add the powersQuotient of powers rule — When they are like bases dividing, subtract the powersPower of powers rule — Multiply the powers together when a power is raised by another exponent.Given the expression;
3x^3 * 7y^2 * 4x * 5y ^3
collect the like bases
3x³ × 4x × 7y² × 5y³
Add the powers
12x^3 + 1 × 35^ 2 + 3
We then have;
12x^4 × 35y^5
Thus, using the rule of exponents, the expression is 12x^4 × 35y^5
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just get your points up and have a good day