Answer:
A
Step-by-step explanation:
Maria has to buy apples at the grocery store. Apples cost $1.25 per pound. How much will Maria spend on apples?
Maria will spend 1.25x on x poinds of apple
How much will Maria spend on x apples?If apples cost $1.25 per pound, then Maria will spend $1.25 times the number of pounds of apples she buys.
In other words, the cost of x pounds of apples can be calculated as follows:
Cost of x pounds of apples = $1.25 x
Therefore, Maria will spend $1.25 times the number of pounds of apples she buys.
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If you were to use the substitution method to solve the following system, choose the new
equation after the expression equivalent to y from the second equation is substituted into
the first equation.
2x - 7y = 4
3x + y = -17
Pls answer
Answer:
23x = -115
Step-by-step explanation:
In the substitution method, you must solve for 1 variable in 1 equation to replace it in the other equation. For the system:
2x - 7y = 4
3x + y = -17
Solving for y in the second equation:
y = -17 - 3x
Replacing y in the first equation:
2x - 7(-17 - 3x) = 4
2x + 119 + 21x = 4
23x = -115
This is the new equation after use the substitution method.
Hey guys could anyone please help me with this question?
I kinda need this ASAP to grad and um also please be relevant to the question!
THANKS TO THE SOMEONE WHO HELPED!
2. A coupon has been issued for crackers at the local grocery store. The crackers originally retail for $3.79 a box and the coupon is good for 10% off the price marked on the shelf. When you arrive at the store the crackers are already marked down by 15%. What is the price you will pay for the box of crackers?
Answer:
$3.54
Step-by-step explanation:
$3.79-25% (because you add the 15% + 10%)
which is $3.54
Answer:
$2.90
Step-by-step explanation:
start with original price
$3.79
marked down 15%
3.79 × .15 = .5685 or .57
3.79 - .57 = 3.22 price on shelf
minus 10% coupon
3.22 × .1 = .322 or .32
$3.22 - .32 = $2.90
which expression is equivalent
Answer:i think its the second choice sorry if im wrong
Step-by-step explanation:
Please help me, I am struggling a lot.
The instructions tell you the triangles are congruent. Provided this, you know each angle of one of them has a spot on the other triangle. f=q so you could simply set them equal to each other.(2x+10)=(3x+1). Subtract 2x from both sides and 1 from both sides. this gives you x=9 aka C. Gl!
What is inequality notation and in interval notation? My teacher did not explain this to me and now I am stumped on my homework
Hi there! When talking about interval notation, we use regular parentheses e.g. (). Interval notation is a way to describe continuous sets of real numbers by the numbers that bound them. When written, they look somewhat like ordered pairs. Although, they are not meant to denote a specific point. They are meant to be a shorthand way to write an inequality or system of inequalities.
With interval notation, we use use square brackets e.g. [ ].
With inequalities, we use "less than or equal to" ≤ or "greater than or equal to": ≥ to include the endpoint of the interval. Inclusive inequalities with the “or equal to” component are indicated with a closed dot on the number line and with a square bracket using interval notation. Strict inequalities without the “or equal to” component are indicated with an open dot on the number line and a parenthesis using interval notation
Hope this helps! Have a good day!!
A rational number is defined as a number that can be expressed in the form p/q, where p and q are integers and (a) q = 0 (b) q = 1 (c) q ≠ 1 (d) q ≠ 0
Answer:
your answer is (d) which is q is not equal to 0
Trechelle is buying a sports coat that has a regular price of $90. This coat is on sale with a 20% discount. She knows she needs to pay 8\%8% sales tax on the discounted price. Trechelle thinks to herself 20\%-8\%=12\%20%−8%=12%. She now believes this means she is really only getting a 12% discount, and 12% of $90 is $10.80. She works out the sports coat will cost her $79.20$. Is Trechelle’s reasoning correct or will the sports coat actually cost a different amount?
Answer:
Trechelle's reasoning is incorrect.
Step-by-step explanation:
the cost is $88.2. hope it helps bye.
Find the indicated angle measurement
Answer:
by adding both the given angle we will get
78+69
Step-by-step explanation:
=141
Solve each equation or formula for the variable indicated .
11. u=vw+z, for v 12. x=b-cd, for c
13. fg-9h=10j, for g 14. 10m-p= -n, for m
The solution of each of the equations for the variable indicated in each case are as follows;
11. v = (u - z)/w.12. c = (b - x)/d.13. g = (10j + 9h)/f.14. m = p - n.Solution of equations for variables.It follows from the task content that the equations given are to be solved for the variables indicated.
The equations can therefore be solved as follows;
11. u = vw + z
Isolate vw so that we have;
vw = u -z; Divide both sides by w;
v = (u - z)/w.
12. x = b - cd
Isolate cd so that we have;
cd = b -x; Divide both sides by d;
c = (b - x)/d.
13. fg - 9h = 10j
Isolate fg so that we have;
fg = 10j + 9h; Divide both sides by f;
g = (10j + 9h)/f.
14. m - p = -n
Isolate m; so that we have;
m = p - n.
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Araba bought an electric Cooker for 540.00 ghanacedis at a discount of 10%.Find the actual price of the eletric cooker.
Answer:
600.00
Step-by-step explanation:
Understanding :
Let P be the actual price of the containerSince there was a 10% discount, 540.00 is 90% of the actual price0.9P = 540P = 540.00/0.9P = 600.00600.00 is the actual price of the electric cooker.
he brazilian free-tailed bat can travel 99 miles per hour. after sunset, a colony of bats emerges from a cave and spreads out in a circular pattern. how long before these bats cover an area of 80,000 square miles? use π
The bat colony will cover an area of 80,000 square miles in 1.612 hours.
What is defined as the circle?A circle is the collection of all the points together in plane that are equally distant from the a given point known as the circle's center. A circle is represented by the symbol. A radius of a circle is a line segment that connects the center of a circle toward any point on the circle.
Now, as per the given question;
The area covered (A) by the colony, evaluated in square miles, is depicted by the mentioned geometrical formula as the bat colony emerges from a cave & spreads out in a circular pattern:
A = π R²
R = the bat's distance from the cave, calculated in miles.
Furthermore, each bat moves at a constant speed, and distance is depicted by the following kinematic formula:
R = r₀ + rΔt
r₀ = The bat's initial distance from the cave, estimated in miles.
r = Bat speed, estimated in miles per hour.
Δt = Time, expressed in hours.
Substitute the value of R in the formula of area.
A = π (r₀ + rΔt)²
(r₀ + rΔt)² = A/ π
(r₀ + rΔt) = √(A/ π)
rΔt = √(A/ π) - r₀
Δt = (√(A/ π) - r₀)/r
r = 99 miles per hour
The distance between the bat and the cave has now been substituted, and time has been cleared:
A = area of 80,000 square miles
π = 3.14
r₀ = 0 miles per hour
Substituting all the values in the A we calculate the time.
Δt = (√( 80,000/3.14) - 0)/99
On solving;
Δt = 1.612 (approx)
Thus, It will take 1.612 hours for the bat colony to cover an area of 80,000 square miles.
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The complete question is-
The Brazilian free-tailed bat can travel 99 miles per hour. after sunset, a colony of bats emerges from a cave and spreads out in a circular pattern. how long before these bats cover an area of 80,000 square miles? use pi = 3.14.
Mark is covering his circular platform with new paint. The platform has a diameter of 14ft. How much are needs to be covered by the paint. (Please explain)
The area of the circular platform that needs to be covered by paint is 49π square feet.
What is the total area that needs to be covered?A circle is simply a closed 2-dimensional curved shape with no corners or edges.
The area of a circle is expressed mathematically as;
A = πr²
Where r is radius and π is constant pi.
Given that the diameter of the circular platform is 14ft.
The radius of the circle is half of the diameter, so we can calculate the radius as:
Radius r = diameter/2
Radius r = 14ft/2
Radius r = 7ft
Now we can use the formula to calculate the area of the circular platform:
Area = π × r²
Area = π × ( 7 ft )²
Area = π × 49 ft²
Area = 49π ft²
Therefore, the area is 49π square feet.
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pls help asap if you can!!!
The statement that best proves that <XWY ≅ <ZYW is that two parallel lines are cut by a transversal, then the alternate interior angles are congruent
How to determine the statementTo determine the correct statement, we need to know the properties of a parallelogram.
These properties includes;
Opposite sides are parallel. Opposite sides are congruent. Opposite angles are congruent. Same-Side interior angles (consecutive angles) are supplementary. Each diagonal of a parallelogram separates it into two congruent triangles.The diagonals of a parallelogram bisect each other.Learn more about parallelogram at: https://brainly.com/question/10744696
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(80 POINTS) identify the sequence of transformations that maps quadrilateral ABCD onto quadrilateral A”B”C”D”
A. 180° rotation around the origin; reflection over the x-axis
B. translation (x,y)—>(x-2,y+0); reflection over the line x=-1
C. enlargement; reflection over the y-axis
D. reflection over the x-axis; reduction
Answer:
I think the answer would be the b
Answer:
b
Step-by-step explanation:
What is the equation of this graphed line?
y=2x+2
y=-2x-2
y=6x+6
y=-6x-6
(1 pt) if v1= [5 −4] and v2 = [4 −5] are eigenvectors of a matrix a corresponding to the eigenvalues λ1=5 and λ2=6, respectively, then a(v1 + v2)=and a(−3 - v1)=
if v1= [5 −4] and v2 = [4 −5] are eigenvectors of a matrix corresponding to the eigenvalues λ1=5 and λ2=6, respectively, then a(-3 - v1) = [-64 50].
To find the value of a(v1 + v2), we can use the fact that eigenvectors are vectors that are scaled by a matrix without changing direction. Therefore, we have:
a(v1 + v2) = a(v1) + a(v2) = λ1v1 + λ2v2
Substituting in the given values, we get:
a(v1 + v2) = 5[5 -4] + 6[4 -5] = [35 -26]
To find the value of a(-3 - v1), we can use the same idea:
a(-3 - v1) = -3a - av1 = -3(-3[5 -4]) - a[5 -4]
Substituting in the given values, we get:
a(-3 - v1) = [-39 30] - a[5 -4]
To find the value of 'a', we can use the fact that v1 is an eigenvector of a corresponding to the eigenvalue λ1=5. Therefore, we have:
av1 = λ1v1
Substituting in the given values, we get:
a[5 -4] = 5[5 -4] = [25 -20]
Substituting this value back into the expression for a(-3 - v1), we get:
a(-3 - v1) = [-39 30] - [25 -20] = [-64 50]
Therefore, a(-3 - v1) = [-64 50].
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You purchase a home that is 2000 square feet of living space. How many square meters of lving space is this
One square meter is equal to 10.764 square feet. Hence, to find out the square meters of living space in a 2000 square feet home
Hence, to find out the square meters of living space in a 2000 square feet home, we divide 2000 by 10.764 as shown below:2000 sq.ft / 10.764 sq.ft = 185.81 sq.m.
Therefore, a 2000 square feet home is approximately 185.81 square meters.Hence, to find out the square meters of living space in a 2000 square feet home, we divide 2000 by 10.764 as shown below:2000 sq.ft / 10.764 sq.ft = 185.81 sq.m.
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what is 28.5 inches in height?
60 problemi 3 saatte çözen Erdem
yarım saatte kaç problem çözer?
Answer:
20 Problem Çözer
Step-by-step explanation:
60 ile 3'ü bölüyoruz. Ve Cevap 20 Çıkıyor.
Let event A = The student plays basketball.
Let event B = The student plays soccer.
What is PlA or B)?
The probability P(A or B) is equal to 5/10 = 0.5
How to find the probability?
P(A or B) is the probability that a randomly selected student plays either basketball of soccer.
On the diagram, we can see that there are a total of 10 students, such that 2 play only basketball and 3 play only soccer.
P(A or B) is equal to the quotient between the number of students that play one of the sports (here we don't count the ones that play both sports) and the total number of students.
Then we have:
P(A or B) = (2 + 3)/10 = 0.5
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Can you guys please help me I already got two wrong I can’t get anymore please!?
Answer:
B. x-5
Step-by-step explanation:
Sister's height: x
Gavin's height: 5 in. less than his sister's height.
What are the zeros of the function h (x) = x² + 3x - 8?
A
x = -8 and x = -2
OB
x= -8 and x = 2
cx = -2 and x = 8
OD x = 2 and x = 8
The following are the zeros for the function h (x) = x2 + 3x - 8: - x= -4 and x=2.
Describe functions.Given a collection of inputs X (domain) and a set of potential outputs Y (codomain), a function is more technically defined as a set of ordered pairings (x,y) where xX and yY with the caveat that there can only be one ordered pair with the same value of x. The function notation f:XY can be used to express that f is a function from X to Y.
The function's zero is a value of x that makes it equal to zero. In other words, the equation f(x) = 0 leads to a zero.
By putting h(x) equal to zero and figuring out x, we may determine the zeroes for the function h(x) = x2 + 3x - 8.
h(x) = x² + 3x - 8 = 0
We may factor the left side of the equation to find x:
x² + 3x - 8 = (x-2)(x+4) = 0
We set each factor to zero and solve for x to discover the zeroes:
x-2 = 0 or x+4 = 0
x = 2 or x = -4
Consequently, the function's zeros are x = 2 and x = -4.
So, A is the right response. x = -4 and x = 2
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The complete question is
What are the zeros of the function h (x) = x² + 3x - 8?
A. x = -4 and x = -2
B. x= -8 and x = 2
C. x = -2 and x = 8
D. x = 2 and x = 8
Which of the following statements is true? A.
A rhombus has no sides the same length.
B.
A square has two right angles.
C.
A trapezoid has two pairs of parallel sides.
D.
A rectangle has four right angles.
Answer:
A trapezoid has two pairs of parallel sides
what is the x value?????????
Answer:
39
Step-by-step explanation:
Due to the sum of all angles in a triangle being 180° , the x° is 39°
Step-by-step explanation:
here are instructions to solve this question remember that the sum of all angles in a triangle is 180° and also an angle on a straight line is 180° use this two facts to solve the question
Mr. Wayne uses his cell phone for work. He is reimbursed $45.95 each month. How much will Mr. Wayne himself pay for his family's cell phone service over the 3-year period? Explain your thinking.
Answer:
$1654.20
Step-by-step explanation:
There are 12 months in a year. There are 36 months in 3 years. If he gets charged $45.95 each month for 3 years or 36 months, he pays:
$45.95×36=
$1654.20 for three years.
Pilots use precise decimal numbers to determine their altitude when flying. one airplane is flying at a height of 37,890.52 kilometers. another airplane flies at a height of 37,890.89 kilometers. which airplane has a higher altitude? explain how you know.
The second airplane, with a height of 37,890.89 kilometers, has a higher altitude than the first airplane, which is at 37,890.52 kilometers.
To determine which airplane has a higher altitude, we can compare the decimal parts of the altitudes provided.
The first airplane is flying at a height of 37,890.52 kilometers, and the second airplane is flying at a height of 37,890.89 kilometers. Comparing the decimal parts, we can see that 0.52 is smaller than 0.89.
In the decimal system, as the digits move to the right of the decimal point, their value decreases. So, when comparing two numbers with the same whole part (37,890 in this case), the one with a higher decimal part will be greater.
Therefore, the second airplane, with a height of 37,890.89 kilometers, has a higher altitude than the first airplane, which is at 37,890.52 kilometers.
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The scatterplot shows the time spent playing a video game and the number of points scored by several students. Based on the scatterplot, which is the best prediction of the number of points scored by a student who spends 45 minutes playing the video game?
Answer:
1200
Step-by-step explanation:got it of my knoledge
Answer:
1,060
Step-by-step explanation:
It is 1,060 because the other person is wrong this question you need to draw a line n the lowest point and it gives you 1,060
5-6. Find the constant of proportionality (unit rate) for each set of values. Then use the constant of proportionality to write an equation that relates the two values in the table.
5. profit per shirt sold pound Shirts (s) 5 10 15 Profit (p) $7.50 $15.00 $22.50 Apples (a) 4 5 6 Price (p) $7.96 $9.95 $11.94
Hi
6 . Price per
7-8. Determine whether the relationship between the two quantities shown in the table is proportional by graphing on the coordinate plane. Explain your reasoning.
Number of 1 2 3 4 5 Pen sCost $2 54 56 58 $10 7. Cost of Buying Pens Number of 1 2 3 4Minutes Words Typed 50 90 140 180 8. Words Typed.
Solve this fast and I’ll give you 47 points
5. The constant of proportionality is 1.5
The equation is p = 1.5×s
6. The constant of proportionality is 1.99
The equation is p = 1.99 × a
7. The variables Number of Pens and Cost are not proportional
Please find attached the required graph
8. The variables Number of minutes and Words Typed are not proportional
Please find attached the required graph
The procedure for finding the answers are as follows;
5. The given data are presented as follows;
\(\begin{array}{ccc}Shirts \ (s)&&Profit \ (p)\\5&&7.50\\10&&15.00\\15&&22.50\end{array}\)
Where two variables, s and p are proportional, we get;
p ∝ s
Therefore;
p = C × s
C = p/s
Where;
C = The constant of proportionality
Therefore, the constant of proportionality, C, of the given variables, (number of shirts, s, and profit, p, is found as follows;
C = 7.50/5 = 15.00/10 = 22.50/15 = 1.5
The constant of proportionality, C = 1.5
The equation that relates the two values is p = 1.5×s
6. For the apples to price relationship, we have;
\(\begin{array}{ccc}Apples \ (a)&&Price\ (p)\\4&&7.96\\5&&9.95\\6&&11.94\end{array}\)
Therefore;
p ∝ a
p = C × a
C = p/a
Plugging in the values gives;
C = 7.96/4 = 9.95/5 = 11.94/6 = 1.99
The constant of proportionality, C = 1.99
Therefore, the equation relating the two values is p = 1.99 × a
7. The given data is presented in a tabular form as follows;
\(\begin{array}{ccc}Number \ of \ pens &&Cost\ \\1&&52\\2&&54\\3&&56\\4&&58\end{array}\)
A set of data is proportional or has a proportional relationship if their x, and therefore, y-intercept is (0, 0)
From the graph of the data, created with MS Excel, the y-intercept is 50 which is not equal to zero, therefore, the relationship between the data is not a proportional relationship
8. The given data is presented in a tabular form as follows;
\(\begin{array}{ccc}Number \ of \ Minutes&&Words \ Typed\ \\1&&50\\2&&90\\3&&140\\4&&180\end{array}\)
From the graph of the data, we have that the y-intercept of the line of best fir is 5, therefore, the relationship is not a proportional relationship
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veronica went on three hikes. on each hike, she saw the following numbers of animals: hike length of hike (\text{km})(km)left parenthesis, start text, k, m, end text, right parenthesis number of animals seen rivers edge 333 888 wooded marsh 888 242424 canyon creek 151515 353535 veronica tried to order the hikes from least to greatest by number of animals seen per kilometer, but she made a mistake. here's her work: \stackrel{\text{least}}{\underbrace{8} \text{river's edge}} < \underbrace{24} \text{wooded marsh} < \stackrel{\text{greatest}}{\underbrace{35} \text{canyon creek}} river’s edge 8 least < wooded marsh 24 < canyon creek 35 greatest start underbrace, 8, end underbrace, start subscript, start text, r, i, v, e, r, ', s, space, e, d, g, e, end text, end subscript, start superscript, start text, l, e, a, s, t, end text, end superscript, is less than, start underbrace, 24, end underbrace, start subscript, start text, w, o, o, d, e, d, space, m, a, r, s, h, end text, end subscript, is less than, start underbrace, 35, end underbrace, start subscript, start text, c, a, n, y, o, n, space, c, r, e, e, k, end text, end subscript, start superscript, start text, g, r, e, a, t, e, s, t, end text, end superscript what was veronica's mistake? choose 1 answer: choose 1 answer: (choice a) a veronica ordered from greatest to least instead of least to greatest. (choice b) b veronica ordered by number of animals instead of by animals per kilometer. (choice c) c veronica calculated kilometers per animal instead of animals per kilometer. show calculator
The most appropriate choice for distance will be given by
Veronica has not calculate the number of animals seen per kilometer, she has arranged only on the basis of animals seen.
What is distance?
Distance is how much ground travelled by an object during its motion.
Here,
For River Edge
Number of animals seen = 8
Length of hike = 3 km
Number of Animals seen per km = 8/3
=2.66
For Wooden Marsh
Number of animals seen = 24
Length of hike = 8 km
Number of Animals seen per km = 24/8
=3
For Canyon Creek
Number of animals seen = 35
Length of hike = 15 km
Number of Animals seen per km = 35/15
=2.33
So from least to greatest it will be
Canyon Creek, River Edge, Marshy Land
Veronica has not calculate the number of animals seen per kilometer, she has arranged only on the basis of animals seen. That was her mistake.
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Answer:
B
Step-by-step explanation: