Answer:
the one u about to click on
which expression is equal to 45 4 5 responses 4 x 15 1 5 4 x 1 fifth 4 x 51 5 1 4 x 5 over 1 5 x 14 1 4 5 x 1 fourth 5 x 41 4 1 5 x 4 over 1
Option A, which is 4 x 15 + 1 - 5 x 4 x 1, is the correct expression that is equal to 45 x 4 + 5.
To show this, we can simplify the expression as follows:
4 x 51 + 1 - 5 x 4 x 1
= 204 + 1 - 20
= 205 - 20
= 184
Then, we can check if 185 is equal to 45 x 4 + 5:
45 x 4 + 5
= 180 + 5
= 185
Since 185 is equal to 185, it is concluded that an expression that is "equal to" 45 x 4 + 5, is held by option A.
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What is the ratio of classmates who like ham sandwiches to the number of classmates who like bologna and turkey sandwiches?
Scott bought 8 packs of pencils for y dollars per pack. Which expression shows how much Scott pays for the pencils?
A.
8+y
B.
8÷y
C.
y−8
D.
8y
Solve the system of equations.
6x – y = 6
6x2 – y = 6
A (0, 6) and (0, –6)
B (1, 0) and (0, –6)
C (2, 6) and (1, –11)
D (3, 12) and (2, 19)
what is the solution to the inequality -3x - 42 > 3
A: x > -13
B: x < -13
C: x > -15
D: x > -15
PLEASE SHOW WORK.
Answer:
I don’t know which answer choice it is since C and D are the same but the answer is supposed to be x < -15.
Step-by-step explanation:
the image has the work shown
I need help . Khan academy .hurry up I need the answer right now
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\(x - intercept = ( - 250 \: , \: 0)\)
\(y - intercept = (0 \: , \: 100)\)
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
За + 2b – 8а + Ь
Please help
Answer:
-5a+3b
Step-by-step explanation:
-5a+3b Combine like terms
Four times Theo’s number added 20 is 10. what is theo’s number ?
Answer:
ur mom
Step-by-step explanation:
genehrrddjdhxxhdhdi hope this didnt help
kathy wants to place a printer 9 ft from the filing cabinet. can the other two distances shown be 7 ft and 2 ft ? identify the answer with the correct explanation.
No. the sum of any two lengths of the triangle is greater than the third length.
Option (A) is correct.
Since, A triangle is a polygon with three edges and three vertices. In Euclidean geometry, a triangle is completely determined by the three points that make up its vertices.
Kathy wants to place a printer 9ft from the filing cabinet. Can the other two distances are shown to be 7ft and 2ft.
Hence, No the sum of any two lengths of the triangle should be greater than the third side.
but 7 + 2 = 9,
so the condition for a triangle is false.
Hence, the correct explanation would be "No. the sum of any two lengths of the triangle is greater than the third length."
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Complete question is,
Kathy wants to place a printer 9ft from the filing cabinet. Can the other two distances shown be 7ft and 2ft? Identify the answer with the correct explanation. Printer Desk Filing Cabinet
O Yes; the sum of any two lengths is greater than the third length.
O No; the sum of any two lengths is not greater than the third length.
O Yes; the sum of any two lengths is equal to the third length.
O No; the sum of any two lengths is greater than the third length
The image below showcases a right triangle .
My questions:
What is a c, what does that represent
What is this problem asking for me
How do I solve this problem? Are there any formulas in place?
The perimeter of triangle is 66.24 units.
What is triangle?
In Euclidean geometry, any 3 points, once non-collinear, verify a unique triangle and at the same time, a unique plane
Main body:
according to question :
c = 28
let the vertices be A,B,C
∠A= 30°
by using trigonometric ratios,
BC/ AB = sin30°
AB = C = 28
BC/28 = sin30°
BC = 28*sin30°
BC= 28*(1/2)
BC = 14
similarly
AB /CA = cos 30°
28/CA = √3/2
CA = 28*√3/2
CA = 14/√3
CA = 24.24
Hence , perimeter = AB +BC +CA = 28+14+24.24
=66.24 units
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find the equation for the hyperbola whose graph is shown. webassign plot
The equation for the hyperbola is:
(x + 2)^2 / 9 - (y - 1)^2 / 16 = 1.
To find the equation for the hyperbola whose graph is shown, we need to determine its center, vertices, foci, and asymptotes.
From the graph, we can see that the center is at (-2, 1) and the vertices are at (-2, 4) and (-2, -2). The distance between the center and each vertex is a, where a = 3.
We can also see that the foci are located along the vertical axis, which passes through the center. The distance between the center and each focus is c, where c = 5. Using the formula c^2 = a^2 + b^2, we can solve for b:
b^2 = c^2 - a^2
b^2 = 25 - 9
b^2 = 16
b = ±4
Therefore, the foci are located at (-2, 5) and (-2, -3).
The equation for a hyperbola centered at (h, k) with vertices at (h, k ± a) and foci at (h, k ± c) is:
(x - h)^2 / a^2 - (y - k)^2 / b^2 = 1
Substituting in the values we found, we get:
(x + 2)^2 / 9 - (y - 1)^2 / 16 = 1
Therefore, the equation for the hyperbola is:
(x + 2)^2 / 9 - (y - 1)^2 / 16 = 1.
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What percentage of the data in a normal distribution is more than 1 standard deviation above the mean?
34% of the data in a normal distribution is more than 1 standard deviation above the mean.
In a normal distribution, about 68% of the data falls within one standard deviation above or below the mean. This means that roughly 34% of the data falls one standard deviation above the mean.
To be more precise, we can use the empirical rule or the 68-95-99.7 rule, which states that:
Approximately 68% of the data falls within one standard deviation of the mean.
Approximately 95% of the data falls within two standard deviations of the mean.
Approximately 99.7% of the data falls within three standard deviations of the mean.
Therefore, if we assume that the normal distribution is perfectly symmetrical, we can estimate that roughly 34% of the data falls more than one standard deviation above the mean.
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Choose the graph that represents the following system of inequalities: y ≤ −3x + 1 y ≤ 1 over 2x + 3 In each graph, the area for f(x) is shaded and labeled A, the area for g(x) is shaded and labeled B, and the area where they have shading in common is labeled AB. Graph of two intersecting lines. Both lines are solid. One line f of x passes through points negative 2, 2 and 0, 3 and is shaded above the line. The other line g of x passes through points 0, 1 and 1, negative 2 and is shaded above the line. Graph of two lines intersecting lines. Both lines are solid. One line g of x passes through points negative 2, 2 and 0, 3 and is shaded below the line. The other line f of x passes through points 0, 1 and 1, negative 2 and is shaded above the line. Graph of two intersecting lines. Both lines are solid. One line passes g of x through points negative 2, 2 and 0, 3 and is shaded below the line. The other line f of x passes through points 0, 1 and 1, negative 2 and is shaded below the line.
The graph that represents the inequality has been shown in the attachment.
How to solve for the graphWe have these equations
y ≤ −3x + 1
y ≤ x + 3
We remove the inequality sign from both of these equations
y = −3x + 1
y = x + 3
−3x + 1 = x + 3
such that
x = -0.5
we use this value for x in any of the equations
x + 3 = -0.5 + 3
= 2.5
the point of intersection is at 2.5, -0.5
we test for the origin. 0,0
3x + 1
= 3*0 + 1
= 1
for x + 3
0+3 = 3
This is 0≤1 and 0≤3
Hence the graph should be shaded to the origin.
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Write an equation in point-slope form of the line having the given slope that contains the given point. then graph the line
(dont think u can graph so its okay)
Answer:
\(y=5\)
Step-by-step explanation:
Equation in point slope form is given as
\(y-y_1=m(x-x_1)\)
Here
\(m=0 \ and \ (x_1, y_1)=(-2, 5)\)
Therefore
\(y-5=0(x+2)\)
\(y=5\)
PLEASE HELP FASTT!!!!!!!
In a relation, the input values can also be referred to as the_____?
Answer:
Domain
Step-by-step explanation:
Answer: the x values
Step-by-step explanation:
I neeeeeed hellpp ASAP
Answer:
It's the second one
Step-by-step explanation:
Pls help, this is due today
(i’m using 3.14 as pi tell me if ur pi is different)
yellow: 28.26
blue: 18.84
green: 251.2
red: 15.7
purple: 21.98
formula: C = 2pi r | C = pi d
Select all of the expressions which correctly show how to convert 18 inches into yards
Please helppp!!!!!
Graph the following systems of equations. Then state the answer
Answer:
The y-intercept for the 1st one is (0, -3)
The y-intercept for the 2nd one is (0,3)
Step-by-step explanation:
I hope this helped you out. =)
prime factors of 576
Answer:
what do you mean im confused
Step-by-step explanation:
Answer:
22222233
Step-by-step explanation:
The function f(x) = RootIndex 3 StartRoot x EndRoot is reflected over the x-axis to create the graph of g(x) = Negative RootIndex 3 StartRoot x EndRoot. Which is the graph of g(x)? On a coordinate plane, a cube root function goes through (negative 2, negative 8), has an inflection point at (0, 0), and goes through (2, 8). On a coordinate plane, a cube root function goes through (negative 2, 8), has an inflection point at (0, 0), and goes through (2, negative 8). On a coordinate plane, a cube root function goes through (negative 8, 2), has an inflection point at (0, 0), and goes through (8, negative 2). On a coordinate plane, a cube root function goes through (negative 8, negative 2), has an inflection point at (0, 0), and goes thorugh (8, 2).
Answer: On a coordinate plane, a cube root function goes through (negative 8, negative 2), has an inflection point at (0, 0), and goes thorugh (8, 2).
Step-by-step explanat hope that help
The function is
\(\\ \sf\longmapsto f(x)=\sqrt[3]{x}\)
Graph attached
I low key need halp. Very soon, please send halp. :>
Suppoe you have $5000 to invet, and you want to earn $1000 imple interet in 5 year. What i the lowet interet rate that will allow you to do thi?
Answer:
4%
Step-by-step explanation:
\(I=Prt \\ \\ 1000=5000(r)(5) \\ \\ 1000=25000r \\ \\ r=0.04=4\%\)
CALCULATORSiMAKING AN ARGUMENT One admission to an ice skating rink costs x dollars, and renting a pair of ice skates costs y dollars. Your friend says shecan determine the exact cost of one admission and one skate rental. Is your friend correct? Explain.DAGICE RINK1200D&G ICE RINK2 Sute RetailTools 30010 Sluit RentalsTS 190 00My friend isWrite the system of equations to represent the situation. Use x for the cost of admission and y for the cost of a skate rental.Equation for Receipt 240796:Check? Help< PREV45689NEXT6 of 21 answered
We can write one equation per receipt. We have two unknowns (x and y) and two equations, so if they are not a linear combination, we can calculate the value of x and y.
Receipt 240796 equation:
\(3x+2y=38\)Receipt 240797
\(15x+10y=190\)We can apply the substitution to solve this as:
\(\begin{gathered} 3x+2y=38 \\ 3x=38-2y \\ x=\frac{38-2y}{3} \end{gathered}\)\(\begin{gathered} 15x+10y=190 \\ 15(\frac{38-2y}{3})+10y=190 \\ 5(38-2y)+10y=190 \\ (38-2y)+2y=38 \\ -2y+2y=38-38 \\ 0=0 \end{gathered}\)The two equations are a linear combination, so we don't have a unique solution.
The second equation is the first one multiplied by 5, so it doesn't add new information. Then we only have only one independent equation and two unknowns, so we have infinite solutions for the system.
\(\begin{gathered} 5(3x+2y)=5(38) \\ 15x+10y=190 \end{gathered}\)He won't be able to calculate the individual value.
The system has infinite solutions (linear combinations for x and y).
can y'all answer this please.
Answer:
C That is the answer
Step-by-step explanation:
the answer is c because ABC is XZY
Answer:
C: 123°
Step-by-step explanation:
Similar triangles always have the same angles
Hope this helps!
: )
A drummer and a guitarist each wrote songs for their band. The guitarist wrote 10 fewer than twice the number of songs that the drummer wrote. They wrote a total of 50 songs. Write the system of equations that models this situation if the drummer wrote d songs and the guitarist wrote g songs.
Answer:
Step-by-step explanation:
no
Can you answer which ones are impossible , unlikely , as likely as not , likely , or certain ?
What is the simplest form of 8(5k+7)−10(6k−7)
The simplest form of the given expression is -20k + 126.
To find the simplest form of the expression 8(5k+7)−10(6k−7), follow these steps:
1. Distribute the numbers outside the parentheses to the terms inside the parentheses:
8 × 5k + 8 × 7 - 10 × 6k + 10 × 7
2. Perform the multiplication:
40k + 56 - 60k + 70
3. Combine like terms (terms with the same variable and exponent):
(40k - 60k) + (56 + 70)
4. Simplify the expression by performing the subtraction and addition:
-20k + 126
The simplest form of the given expression is -20k + 126.
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a math class consists of 21 female students and 22 male students. two students are selected at random to participate in a probability experiment. compute the following probabilities. write your answers in decimal form. round to the nearest thousandth as needed. a. a male is selected, then a female. 0.280 incorrect b. a female is selected, then a male. c. two males are selected. d. two females are selected. e. no males are selected
The probability is the same as in part (d):
(21/43) * (20/42) = 0.227 (rounded to the nearest thousandth)
Let's begin by calculating the total number of ways to select two students from a group of 43. This can be done using the combination formula:
C(43,2) = (43!)/(2!(43-2)!) = 903
a. To calculate the probability that a male is selected first and then a female, we need to consider that there are 22 ways to select a male from the group of 43 students, and then 21 ways to select a female from the remaining 42 students. Therefore, the probability is:
(22/43) * (21/42) = 0.280 (rounded to the nearest thousandth)
b. To calculate the probability that a female is selected first and then a male, we need to consider that there are 21 ways to select a female from the group of 43 students, and then 22 ways to select a male from the remaining 42 students. Therefore, the probability is:
(21/43) * (22/42) = 0.261 (rounded to the nearest thousandth)
c. To calculate the probability that two males are selected, we need to consider that there are 22 ways to select a male from the group of 43 students, and then 21 ways to select another male from the remaining 42 students. Therefore, the probability is:
(22/43) * (21/42) = 0.280 (rounded to the nearest thousandth)
d. To calculate the probability that two females are selected, we need to consider that there are 21 ways to select a female from the group of 43 students, and then 20 ways to select another female from the remaining 42 students. Therefore, the probability is:
(21/43) * (20/42) = 0.227 (rounded to the nearest thousandth)
e. To calculate the probability that no males are selected, we need to consider that there are 21 ways to select a female from the group of 43 students, and then 20 ways to select another female from the remaining 42 students. Therefore, the probability is the same as in part (d):
(21/43) * (20/42) = 0.227 (rounded to the nearest thousandth)
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in a bag, there are 25 nunbered tiles. what is the probability of selecting a number smaller than 7
Answer:
24%
Step-by-step explanation:
There are 6 numbers smaller than 7 so you do 6/25 which equals .24