The result of the following Boolean expression, if x equals 5, y equals 3, and z equals 8 not (x < y or z > x) and y < z will be false.
What is an expression?It is defined as the combination of constants and variables with mathematical operators.
Finally, keep in mind that two negatives add up to a positive. This would print that the compound expression is False because it contains one negative The first step, and one positive expression 2-4 as a whole.
Expression 1 is False because (x=5) (y=3)
The value must now be reversed according to the first step. the current value is true (-) False
Both sub-expressions 1 and 2) must be true for the AND= operator #3. The sub-expression 2 in (y=3) (z=8) is true.
Thus, the result of the following Boolean expression, if x equals 5, y equals 3, and z equals 8 not (x < y or z > x) and y < z will be false.
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40 PIONTS FOR ANSWERING 2 Q'S, I WILL PICK BRIANLISET
my equation for Q 7: C=2.7m+1.95
8. For the Raleigh company write an equation in point-slope form to represent the amount charged, C, for m number of miles for the company in Raleigh, NC.
9. Write an equation in standard form to represent the amount charged, C, for m number of miles for the company in Raleigh.
Answer:
8.m = ∞
9.[tex]m=\frac{20c-39}{54}[/tex]
Step-by-step explanation:
8.The equation is a vertical line, so the slope is ∞
so the answer for 8. is m = ∞
9.Switch sides:
2.7m + 1.95 = c
Multiply both sides by 100:
2.7m · 100 + 1.95 · 100 = c · 100
Refine:
270m + 195 = c · 100
Move 195 to the right side so it would be: 270m = c · 100 - 195
And now Divide both sides by 270
[tex]\frac{270m}{270}[/tex] = [tex]\frac{c*100}{270}[/tex] - [tex]\frac{195}{270}[/tex]
And now all that's left is to Simplify it
so the answer for answer 9. is [tex]m=\frac{20c-39}{54}[/tex]
¿What is the answer the EG ?
Ques) What is the symbol (∑)?
This symbol is used to denote the sum of multiple numbers.
This symbol is generally put by an index that varies to encompass all terms that must be considered in the sum of all the numbers.
In order to calculate the arithmetic mean of a set of data, the first step is to add up (sum) all of the data values (x) and then divide the result by the number of values (n). Since ∑ is the symbol used to indicate that values are to be summed (see Sigma Notation) we obtain the following formula for the mean
Mean = ∑ x/n
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A safe-breaker is attempting to crack a safe with a 7-combination code. So far they have worked out that: the first digit is double the third digit the code is a palindrome (it reads the same if it is reversed) the fourth number is 7 the third number is one less than the sixth number the second number is 3 less than the fourth number.
The correct 7 digit combination safe-breaker code which is a palindrome is given by 6437346.
What is a Palindrome?A palindrome is a number that reads the same both forward and backward in mathematics. Examples of palindromes include 353, 787, and 2332.
The following straightforward procedure may be used to find other palindromes given any set of integers.
Start with any number in step one. Identify it as original number. Reverse the original number's digits.
Call the number whose numbers have been reversed in step two. The new number should be added to your original one.
Call the number discovered by combination of the new number with the test number.
Step 3: You're finished if the test number is a palindrome. If the test number is incorrect, use your original number instead and complete the previous procedures using your test number.
How to solve?
Let the seven-digit code be given by abcdefg. As it is palindrome therefore, a=g, b=f, c=e, and d=d. Also, first digit is double than third digit that is a=2c.
As per the question d=7, c=f-1 and,
b=7-3 = 4.
Since the number is palindrome so b=f. Therefore f=4.
Now, c=f-1 => c = 4-1 = 3, and c = e = 3.
Also, a=2c => a=6.
Thus, the numbers are a=6, b=4, c=3, d=7, e=3, f=4, g=6 and the combination is 6437346.
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In the figure below, k Il and m || n. Find the values of x and z.
A
Answer:
z = 36
x = 120
Step-by-step explanation:
Find the length of the third side. If necessary, write in simplest radical form.
Legs- 9 and 7
Hypotenuse-?
Answer:
√130
Step-by-step explanation:
|
? | 7
|
---------------------------
9
a² + b² = c²
7² + 9² = c²
49 + 81 = c²
130 = c²
√130 = √c²
√130 = c
I hope this helps!
If the bag of fertilizer cost $11.75 what is the cost of nitrogen per pound?
Answer: 40 cents
Step-by-step explanation: Cost per lb of N in 1 ton of 28% UAN = $225 ÷ 560 lbs N = 40 cents per lb N.
How much greater is the surface area of the rectangular prism than the surface area of the cube.
The surface area of the rectangular prism is 18 sq cm greater than the surface area of the cube.
Here, we are given a rectangular prism and a cube as shown in the figure below.
The three sides of the prism are- 2, 3 and 6
Thus, the total surface area of the cube will be-
2 [(2*3) + (3*6) + (6*2)]
= 2[6 + 18 + 12]
= 2*36
= 72 cm square
Now, the side of the cube is 3 cm
Thus, the total surface area of the cube will be-
6( 3*3 )
= 6*9
= 54 cm square
Thus, the difference between the surface area of prism and cube is = 72 - 54
= 18 cm square.
Thus, the surface area of the rectangular prism is 18 sq cm greater than the surface area of the cube.
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Your question was incomplete. Check for the missing figure below.
Line d passes through points (6, 9) and (2, 4). Line e passes through points (5, 3) and
(10, 7). Are line d and line e parallel or perpendicular?
PLEASE HELP ASAP, WILL GIVE 10 POINTS, BRAINELST, 5 STAR, AND RATING!
Answer:
Neither
Step-by-step explanation:
Line d:
m = 4-9/2-6 = -5/-4 = 5/4
Line e:
m = 7-3/10-5 = 4/5
It would be neither because if it was perpendicular, one of the slopes' would have to be negative.
30 plus 50 written as 2 factors
The expression 30 _ 50 can be written as 2 factors as: 5(6 + 10).
What is a Factor?A factor, in mathematics, can be described as an integer that is a divisor of another integer that will produce a value it can be multiplied with to can that same integer it divides.
For example, if m/n = a, and (m)(a) = n, then m and n are factors.
Given the expression, 30 + 50, we can write this expression as product of factors as shown below:
5 into 30 is 6
5 into 50 is 10.
Therefore:
5(6 + 10)
Therefore, the two factors of the expression, 30 + 50 are written as: 5(6 + 10).
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Which function matches the graph?
A. f(x)=(x + 3)(x - 5)(x + 7)²(x - 2)²
B. f(x) = (x - 3)²(x + 5)²(x-7)(x + 2)
C. f(x) = (x - 3)(x + 5)(x - 7)²(x + 2)²
D. f(x) = (x - 3)²(x + 5)(x-7)(x + 2)²
E. f(x) = (x + 3)²(x - 5)(x-7)²(x + 2)
Answer:
Choice B
Step-by-step explanation:
The graph crosses the xy-plane at the following places for x:
x = -5
x = -2
x = 3
x = 7
Look at choice B.
Setting (x - 3)^2, (x + 5)^2, (x - 7) and (x + 2) to zero and solving for x leads to the crossing locations on the xy-plane as shown on the graph.
Please answer this ASAP.
The coordinates of point D on the given line that intercepts the y-axis are: (0, 15/2).
What are the Coordinates of the Y-intercept of a Line?The coordinates of the point where a line intercepts the y-axis are the coordinates of the y-intercept of the line.
In the image given, a line to intercept the y-axis at point D. Point D is the y-intercept of the line. The coordinates of point D are the coordinates of the y-intercept of the line.
Step 1: Find the slope of the line using the two points, (-6, 0) and (2, 10)
Slope (m) = change in y / change in x = (10 - 0) / (2 -(-6))
Slope (m) = 10/8
m = 5/4
Step 2: Find the y-intercept of the line by substituting (x, y) = (2, 10) and m = 5/4 into y = mx + b
10 = 5/4(2) + b
10 = 5/2 + b
10 - 5/2 = b
15/2 = b
b = 15/2
The coordinates of the y-intercept is (0, 15/2). Therefore, the coordinates of point D are (0, 15/2).
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Louis can bake 60 muffins in 1 hour. A large company ordered 300 muffins. How many hours will it take for Louis to bake enough muffins to complete the order?
Group of answer choices
What are the maximum dimensions of a rectangle with a perimeter of 12.
Answer:
3x3 should be the maximum dimensions of a rectangle with a perimeter of 12.
There is a pot made of copper. Surface area of the pot is: SA=2πrh + πr². If the pot is 1 mm thick, how do I calculate how much copper is needed to make one such pot? I don't need the exact number, just the steps.
The volume of copper needed to make such pot is 20πrh + 10πr² [tex](cm)^{3}[/tex]
What is surface area?The surface area of a three-dimensional object is the total area of all its faces. In real-life we use the concept of surface areas of different objects when we want to wrap something, paint something, and eventually while building things to get the best possible design.
The quantity of copper she needs to make such pot is same as the volume of copper need for such pot.
Volume = surface Area x thickness
Surface area had beemn given as 2πrh + πr²
thickness as 1mm = 10cm
Volume = 10(2πrh + πr²)
volume = 20πrh + 10πr² [tex](cm)^{3}[/tex]
In conclusion, the quantity of copper needed for the pot is 20πrh + 10πr² [tex](cm)^{3}[/tex]
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If found to be correct, you will be giving Brainliest.
Determine if the graph shows a proportional relationship.
graph of a line from 0 comma 0 going through 80 comma 9
Yes, it is proportional because the line intersects with the origin.
Yes, it is proportional because the axes are numbered correctly.
No, it is not proportional because the line does not intersect with the origin.
No, it is not proportional because the points do not make a straight line
Based on the features of a proportional graph: A. Yes, it is a proportional relationship because the line intersects with the point of origin (0, 0).
What is the Graph of a Proportional Relationship?The graph of a proportional relationship is a straight line that must surely pass through the point of origin, (0, 0)
A proportional relationship between two variables x and y can be written in slope-intercept form as y = mx, where the slope or constant of proportionality is represented by the value of m.
The graph above shows a straight line that intersects the point of origin at (0, 0).
Since the line intersects (0, 0), we can conclude that: A. the graph shows a proportional relationship because the line intersects with the point of origin (0, 0).
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Can someone please help me
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
The expressions that are simplified are:
[tex]n^{4}[/tex]
[tex]\frac{1}{n^{-5}}[/tex]
[tex]\frac{1}{n^3}[/tex]
Options A, B, and E are the correct answer.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
[tex]n^{4}[/tex]
This is already simplified.
[tex]\frac{1}{n^{-5}}[/tex]
This is already simplified.
[tex]n^6 . n^{-8}[/tex]
= [tex]n^{6 - 8}[/tex]
= [tex]n^{-2}[/tex]
[tex]n^7 . p^8[/tex]
= [tex]n^{7 + 8}[/tex]
= [tex]n^{15}[/tex]
[tex]\frac{1}{n^3}[/tex]
This is already in simplified form.
Thus,
The expressions that are simplified are:
[tex]n^{4}[/tex]
[tex]\frac{1}{n^{-5}}[/tex]
[tex]\frac{1}{n^3}[/tex]
Options A, B, and E are the correct answer.
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The correlation coefficient r between an employee's age, x, and yearly salary, y, is
0. 923
What percent of the variation in yearly salaries can be explained by differences in the
employees' ages?
31. 7%
40. 1%
85. 2%
92. 3%
The correlation coefficient r between an employee's age, x, and annual income, y, given as 0. 923, will vary by 85.2% of its value.
What is correlation coefficient?The Pearson correlation coefficient, sometimes referred to as Pearson's r, Pearson's product-moment correlation coefficient, bivariate correlation, or simply the correlation coefficient, is a statistical indicator of the linear relationship between two sets of data. A correlation coefficient is a statistical indicator of how well changes in one variable's value predict changes in another. When two variables are positively linked, the value either rises or falls together. With a correlation value of 1, there is a fixed proportional rise in one variable for every positive increase in the other. For instance, shoe sizing increases almost perfectly with foot length.
Here,
The correlation coefficient= 0.923
The percent of variation,
=correlation coefficient²*100
=0.923²*100
=85.192%
=85.2%
When the correlation coefficient r between an employee's age, x, and yearly income, y, is provided as 0. 923, the percent of variance will be 85.2%.
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4.27(.7)=
And
4.23 x .06 =
Answer:3.2
Step-by-step explanation:
almost every american adult has this thing
Answer: omm
but I need this so
Step-by-step explanation:
Add these equations
-2x+4y= 17
3x-10y= -3
Answer:
x - 6y = 14
Step-by-step explanation:
Add the like terms (x's and y's and constants):
-2x+4y= 17
+ (3x-10y= -3)
x - 6y = 14
#8 geometry questions.....help me please
This is an exterior angle because x and y=180.
now let us pretend those sides are z. Each side is equal.
So x=z
so z=y
now 180/3 is 60
so x or z is 60.
now we use exterior angle and now we do 180-60 is 120.
SO
X=60
Y=120
now we make sure by z times 2 should equal y and z=x and x=60 and 60 time 2 is 120 so it is correct.
2. You flip a coin that has a heads side and a tails side.
a. What are the odds that the coin will land on heads the first time you flip it?
b. You have flipped the coin 50 coins. You have landed on heads 31 times and tails 19 times. What are the odds that the coin will land on tails on the next flip?
Answer:
a. 1/2 or 50% b. 1/2 or 50%
Step-by-step explanation:
a. 1/2 of 50%
Since theres 2 sides, and 1 head, it will be 1/2 outcomes so 1/2.
b. Stil 1/2 or 50%
The coin flips are not dependent, and they have 2 outcomes and 1 tails.
Stil 1/2
Round this number to the nearest one. 0.5
Answer: 2
Step-by-step explanation:
Answer:
your answer is 5.
Step-by-step explanation:
If the length of an rectangle is '' x-4 '' and the width is '' 3x-3 '' What would be the expression to represent the perimeter.
The expression that represents the perimeter of the rectangle is 8x - 14
What is a rectangle?A Rectangle is a four sided-polygon, having all the internal angles equal to 90 degrees. The two sides at each corner or vertex, meet at right angles. The opposite sides of the rectangle are equal in length which makes it different from a square.
Length of rectangle(L) = x - 4
Width of rectangle(W) = 3x - 3
Perimeter of rectangle = 2(L + W)
L = x - 4, W = 3x - 3
Perimeter of rectangle = 2( x - 4 + 3x - 3)
Perimeter of rectangle = 2( 4x - 7) which is 8x - 14
In conclusion 8x - 14 is the expression for the perimeter of the rectangle
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Consider the scatter plot, its line of best fit, and the corresponding residual plot of each data set. State whether a linear model is appropriate for the data and justify your answer.
Linear regression equation: y = 14.08x - 163.13, r = 0.9746
No, a linear model is not appropriate for the data because; the residual plot indicates that the residuals are far off the horizontal.
Is a linear model appropriate for the data given?It follows from the task content that it is required to determine if a linear model is appropriate for the given data.
By observation of the scatter plot and the line of best fit; it is evident that the residuals are large (meaning that actually values are far off the predicted values).
Conclusively, the residual plot is a confirmation of the inappropriateness of a linear model for the given data. This follows from the fact that the residuals are large as evident in the how far the residual plot points are to the horizontal.
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-9x - 2y = -12
-3x = y
Joan Arlington ha twice a much money inveted at 5% imple annual interet a he doe at 4%. If her yearly income from the two invetment i $175, how much doe he have at each rate?
the amount invested at 4% interest rate = P = $1228.57
The amount invested at 5% interest rate = 2P = $2457.14
What is principle interest ?
Every mortgage payment is made up of principal and interest, which are its two main components. The principal, which you borrow for your mortgage, and the interest, which you pay each month to use the loan, are the same thing. You may select the finest mortgage choice for you by being aware of both principle and interest.
We will use the simple interest formula: A=P(1+rt)
where: A=total amount accrued, P=principal, r=rate of investment, t=time (years, here). r and t are given, and we know that the total amount accrued from both accounts minus the invested amounts (principals) will be $175.
A1=P(1+0.04*1) simplified: A1=P(1.04)
A2=2P(1+0.05*1) simplified: A2=2P(1.05)
because the amount invested in the account with interest rate of 5% is twice as much as the amount invested at 4% interest rate.
A1+A2-P-2P=175 because the total income is $175.
Substituting in equations 1 and 2 we get:
P(1.04)+2P(1.05)-P-2P=175
1.04P+2.1P-3P=175
3.14P-3P=172
0.14P=172
P=1228.57
So, the amount invested at 4% interest rate = P = $1228.57
The amount invested at 5% interest rate = 2P = $2457.14
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A line has a slope of 9 and includes the points (
–
5,
–
6) and (p,3). What is the value of p?
Answer:The value of p is -9.
Step-by-step explanation:
m=(y2-y1)/(x2-x1)m=(p-3)/(9-6)m=(p-3)/3-4=(p-3)/3-4*3=p-3-12=p-3p=-12+3p=-9
Convert 460000 milligrams into pounds. Round your answer to the nearest hundredth.
Answer:
460000 milligrams converted to pounds would be 1.01 pounds.
Step-by-step explanation:
A box of cereal states that there are 99 calories in a
3/4 cup serving. What is the unit rate for calories per cup? How many calories are there in 4 cups of the cereal?
The number of calories in one cup is 132 calories and the number of calories in 4 cups is 528 calories.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that a box of cereal states that there are 99 calories in a 3/4 cup serving.
The number of calories per cup is calculated as,
3 / 4 cup = 99 calories'
1 cup = 99 x (4 / 3 )
1 cup = 132 calories
The number of calories for 4 cups of cereal,
1 cup = 132 calories
4 cup = 132 x 4 calories
4 cup = 528 calories
Therefore, the number of calories in one cup is 132 calories and the number of calories in 4 cups is 528 calories.
Therefore, the number of calories in one cup is 132 calories and the number of calories in 4 cups is 528 calories.
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