1.Total cost of the computer: Let's represent the original price as $x. After an 80% sale, it's 0.8× x.
2. Amount Leona saved: $102.50.
3. Remaining amount needed: Total cost - Amount saved = 0.8 × x - $102.50.
So, Leona needs $102.50 more to afford the computer after her savings.
let's break it down step by step:
1. Find the total cost of the computer: Let's say the original price of the computer is $x, and it's currently on sale. Since Leona saved $102.50, this means the amount she has saved is a part of the total cost of the computer.
2.Calculate the remaining amount needed: We subtract the amount Leona saved from the total cost of the computer to find out how much more money she needs to save.
So, let's go through these steps:
1. Total cost of the computer: Let's represent the original price of the computer as $x. Since the computer is on sale, let's say it's now priced at 80% of its original price.
So, the total cost of the computer after the sale = 0.8 ×x.
2. Amount Leona saved = $102.50.
3. Remaining amount needed = Total cost of the computer - Amount Leona saved.
Let's perform the calculation
Total cost of the computer = 0.8 × x
Amount Leona saved = $102.50
Remaining amount needed = Total cost of the computer - Amount Leona = 0.8 × x - $102.50
So, Leona needs to save $102.50 more to buy the computer.
help please:)I don’t know how to do it
Answer:
(1,1)
Step-by-step explanation:
1=4(1)-3
1=1
Answer:
(1,1) (2,5) (3,9)
Step-by-step explanation:
A farmer uses 36 feet of fencing to build a rectangular rabbit pen. The function
A(W) = 18w – wê can be used to find the area of the pen for a given width, w
What is the greatest possible area the farmer can enclose in a rectangular pen
with 36 feet of fencing?
Answer:
81 square feet
Step-by-step explanation:
Given the function
A(W) = 18w – [tex]w^{2}[/tex]
To find the greatest possible area the farmer can enclose in a rectangular pen
with 36 feet of fencing, we take the derivative on both sides of the function:
A'(w) = 18 -2w
=> A''(w) = -2
Since A"(w) is in negative, so the critical value will yield maximum value of the function.
So, A'(w) = 0
<=> 18 -2w = 0
<=> w = 9
Substitute w= 9 into the A(W) = 18w – [tex]w^{2}[/tex] , we have the greatest possible area is:
= 18*9 - [tex]9^{2}[/tex]
= 81 square feet
factor the expression 3x^2 - 15x
i will mark brainliest
Step-by-step explanation:
The table of three and x is common
So
3x ( x + 5)
Is the answer
Answer: -3
Step-by-step explanation: 3 times 4 - 15
The distribution of the values of a population is shown below, and a simple random sample is drawn from th
Based on this information alone, can the sample be used to make inferences about the population?
No, because the population values appear to be normally distributed.
No, because the population values do not appear to be normally distributed.
Answer:
C. Yes, because the population values appear to be normally distributed.
Step-by-step explanation:
Answer:
c) yes, because the population values appear to be normally distributed
Step-by-step explanation:
edge 2021
Steven rolls a 6-sided nombre cube 3 times.What is the probability of rolling a multiple of 3 on all the rolls?
The probability of rolling a multiple of 3 on all three rolls of a 6-sided number cube is [tex]\( \frac{1}{27} \)[/tex].
To find the probability of rolling a multiple of 3 on all three rolls of a 6-sided number cube, we first need to determine the total number of outcomes and the number of favorable outcomes.
Total outcomes for each roll = 6 (since there are 6 sides on the cube).
Favorable outcomes for a multiple of 3 on each roll = {3, 6} (numbers divisible by 3).
Thus, the probability of rolling a multiple of 3 on each roll is 2 out of 6, or [tex]\( \frac{2}{6} \)[/tex].
Since each roll is independent, we multiply the probabilities of each roll:
[tex]\[ P(\text{multiple of 3 on all rolls}) = \left( \frac{2}{6} \right) \times \left( \frac{2}{6} \right) \times \left( \frac{2}{6} \right) \][/tex]
[tex]\[ P(\text{multiple of 3 on all rolls}) = \left( \frac{2}{6} \right)^3 \][/tex]
[tex]\[ P(\text{multiple of 3 on all rolls}) = \left( \frac{1}{3} \right)^3 \][/tex]
[tex]\[ P(\text{multiple of 3 on all rolls}) = \frac{1}{27} \][/tex]
So, the probability of rolling a multiple of 3 on all three rolls is [tex]\( \frac{1}{27} \)[/tex].
can someone help pleassseeeee
Answer:
7.5 ft by 30 ft
Step-by-step explanation:
It's in the question
Scale factor of 5/2
12 * 5/2 = 30 ft
3 * 5/2 = 7.5 ft
7.5ft by 30ft
Answer: 7.5ft and 30ft
Step-by-step explanation:
The original length is 12ft
Breadth is 3ft
If the poster is expanded by 5/2,
New length will be
5/2×12
=5×6
=30ft
New breadth will be
5/2×3
=15÷2
=7.5ft
The new dimension will be
7.5ft and 30ft
11 fewer then a number as an algebraic expression
Answer:
x - 11
Step-by-step explanation:
A number stands for an unknown variable in which x takes it placeThe word fewer alerts us to subtraction, thus the minus sign11 fewer than a number is the same as saying a number minus 11.what is a word problem for y=3.5x+4
Answer:
You have four dollars in your pocket. You then get 3.50 per hour for working at a restaurant. Write an equation to show the relationship for x the number of yours to y the total earnings you make for working at the restaurant?
Step-by-step explanation:
Hope this helps!
Which number results in a true sentence in 0.475 ＜ ______ ? a.) 0.473 c.) 0.475 b.) 0.474 d.) 0.476
Answer:
D.) 0.476
Step-by-step explanation:
The < sign means 'less than'. The only thing that .475 is less than is .476
Eleven less than a number is more than seventeen.
Answer:
x-11 > 17
Step-by-step explanation:
You have to set the equation up as an equality, if you want the simplified answer it would be x > 28
Solve for w in terms of v, x, and y.
v= -[tex]\frac{1}{X}[/tex] YW
W=
Answer:
W = - [tex]\frac{vx}{Y}[/tex]
Step-by-step explanation:
Given
v = - [tex]\frac{1}{x}[/tex] YW
Multiply both sides by x to clear the fraction
vx = - YW ( multiply both sides by - 1 )
- vx = YW ( divide both sides by Y )
- [tex]\frac{vx}{Y}[/tex] = W
assignment
Solve: 4^3x=4^2
Answer:
x =2/3
Step-by-step explanation:
4^3x=4^2
Since the bases are the same, the exponents are the same
3x =2
Divide each side by 3
3x/3 = 2/3
x = 2/3
if the mean is 120 and the standard deviation in 24 what is the score that is 3 standard deviations above the mean
Answer:
192
Step-by-step explanation:
If the mean is 120 and the standard deviation is 24, then 3 standard deviations above the mean would be 24(3) = 72 + 120 = 192.
192 is the score that is 3 standard deviations above the mean.
What is standard Deviation?The term "standard deviation" refers to a measurement of the data's dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.
Given:
Mean= 120
Standard Deviation = 24
So, the score for 3 standard deviations above the mean
= 24(3) + 120
= 72 + 120
= 192.
Hence, 192 is the score that is 3 standard deviations above the mean.
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(-3,0) and (4,0)
find the equation of a parabola that opens up and has the following x intercepts
Answer:
(x+3) (x-4) aka x^2 - 1 - 12
Step-by-step explanation:
Bridget plans to attend 4 cardio classes and 5 weightlifting classes, which will last 328 minutes. Next week, she hopes to attend 4 cardio Classes and 1 weightlifting class, which will last 168 minutes. How long is each class?
Answer:
Time per cardio class: 32 minutes
Time per weightlifting class: 40 minutes
Step-by-step explanation:
Start by creating a system of equations:
let c = the time per cardio class
let w = the time per weightlifting class
4c + 5w = 328
4c + w = 168
Solving for c and w get you 32 minutes and 40 minutes respectively
Each cardio class lasts 32 minutes and each weightlifting class lasts 40 minutes.
To find out how long each class is, we need to set up a system of equations based on the information given.
Let's denote the duration of a cardio class by C minutes and the duration of a weightlifting class by W minutes.
1. From the first week, we have the equation:
4C + 5W = 328
2. From the second week, we have:
4C + 1W = 168
3. To eliminate C, we can subtract the second equation from the first:
(4C + 5W) - (4C + 1W) = 328 - 168
4W = 160
W = 40
4. Now substitute W back into the second equation:
4C + 40 = 168
4C = 128
C = 32
Therefore, each cardio class lasts 32 minutes and each weightlifting class lasts 40 minutes.
At hockey practice, Savannah made 19 out of 20 shots. Write the fraction of shots Savannah missed as decimal
Answer:
.05
Step-by-step explanation:
if she made 19/20 shots, this means she missed 1/20
Decimals are on a scale of one hundred, therefore, we need to set the denominator to 100
To do this, multiply 1/20 times 5/5 and you should get 5/100
in decimal form, 5/100 is equal to this:
0.05
Thank me later :)
Please help with what goes in these blanks
Answer:
See bold face answers below.
Step-by-step explanation:
If c^2 = a^2 + b^2, then the triangle is a right triangle.
If c^2 > a^2 + b^2, then the triangle is an obtuse triangle.
If c^2 < a^2 + b^2, then the triangle is an acute triangle.
Always keep "c" on the left side to avoid confusion when classifying.
Can someone just please explain why in PEMDAS for example: 6 + 9 ÷ 3 × 7. Why do you do the division (9/3) before the multiplication (3x7) even though the order is “M”, “D” in the acronym?
Find the quotient z1/z2, of the complex numbers. Leave your answer in polar form.
z1 = 20( cos 54° + i sin 54°)
z2 = 5( cos 6° + i sin 69)
Choose the correct answer below.
A. 4(cos 48° + i sin 48°)
B. 4[(cos 54°- cos 6°)+i (sin 54°- sin 6°)]
c. 4{cos 9° + i sin 9°)
D. 4(cos 54° sin 6° + i sin 54° cos 6)
Answer:
A: 4(cos 48° + i sin 48°)
Step-by-step explanation:
The step by step working:
z1 = 20(cos 54° + i sin 54°)
z2 = 5( cos 6° + i sin 69°)
z1/z2 = (20/5)(cos 54° + i sin 54°)/(cos 6° + i sin 69°)
= 4[(cos 54° + i sin 54°)(cos 6° - i sin 6°)] / (cos^2 6° +sin^2 69°)
= 4[(cos 54° cos 6° - sin 54° sin 69°) + i(cos 54°sin 6° + sin 54° cos 6°)]
= 4(cos 48° + i sin 48°) (Using sum and difference identities)
The answer is A: 4(cos 48° + i sin 48°)
what are the sum of the two pink angles?
Answer:
45 degrees
Step-by-step explanation:
Which is the graph of the linear inequality y < 3x + 1?
Answer:
The last graph, aka D.)
Step-by-step explanation:
Sorry for the extremely late response,
Hope this helps ppl of the future. ;))
~nxmbus
plz help me i don't get how to do this
Answer:
4. -84
5. 480
6. -910
Step-by-step explanation:
product means multiply.
neg x neg = pos
neg x pos = neg
Answer:
The product is multiplication
Step-by-step explanation:
12 times -7= -84
-24 times -20= 480
-130 times 7= 910
Remember a negative times a positive is a negative and a negative times a negative is a positive
compounded monthly P=\$2,000 , r=3\% , t = 5years
To calculate the compound interest, use the formula A = P (1 + r/n)^(nt). For the given values, the final amount after 5 years of monthly compounded interest on $2,000 can be calculated.
Explanation:To calculate the compound interest, we can use the formula:
A = P (1 + r/n)^(nt)
Where:
A = final amount
P = principal amount ($2,000)
r = annual interest rate (3%)
t = time in years (5 years)
n = number of times the interest is compounded per year (12 for monthly compound interest)
Plugging in the values, we have:
A = 2000 (1 + 0.03/12)^(12*5)
Simplifying the equation will give us the final amount after 5 years of monthly compounded interest on $2,000.
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Sally is making a recipe that needs 3 1/4 cups of sugar. Each scoop she adds contains 1/8 cup of sugar. How many scoops of sugar does she need to add for the entire recipe?
Answer:
26
Step-by-step explanation:
you are needing to find out how many 1/8 are there in 3 1/4...so you divide
13/4 divided by 1/8
13/4 x 8/1
104/4
26
Answer:
26 .
Step-by-step explanation:
PLS ANSWER IT IS HARD LOTS OF LOTS POINTS.....
Answer:
the prism has 2 layers and 20 unit cubes in each layer.
Step-by-step explanation:
just count
Answer:
It would be 2 layers and 20 cubes in each layer.
Step-by-step explanation:
Hope this helps!
Montiah solved a quadratic equation. Her work is shown below.
In which step did Montiah make an error?
Answer:
She forgot to multiply the 3 to the x and the 8 inside the parentheses.
Step-by-step explanation:
Answer:
Step 2
Step-by-step explanation:
Instead of dividing the right side by 3, Montiah multiplied the right side by 3, getting 225 instead of 25
28 out of the 35 magazines at the bookstore are woman's magazines.what percentage of the magazines are woman's magazines
Answer: 80% of the magazines are women's magazines
Step-by-step explanation: (28÷35)× 100/1= 80%.
Cos(330degrees) how is it solved ?
Step-by-step explanation:
Put your calculator this trigonometric function and you will get root of 3 over 2.
How ?
Circle is 360° and this angle is more closely to complete the circle, but 330 is on 4th square ( +x,-y).
I hope that it's a clear explanation.
Chris is putting a new baseboard in his room . The bed is 15 meters long and the 9/10 meters wide . What is the area of the baseboard?
Answer:
The area of the baseboard is 13.5m²
Step-by-step explanation:
Given data
Length of the bed L=15m
Width of of the bed B=9/10m
Area of the board A=?
We know that the area of the board
Area A=length x width
Substituting our given data we have
A=15*9/10
A=135/10
A=13.5m²
Hence the area of the board is 13.5m²
The area of the baseboard that Chris needs to install in his room, represented as a rectangle with length 15 meters and width 9/10 meters, is 13.5 square meters.
Explanation:In the field of Mathematics, to find the area of a rectangle (which is the shape being represented by the baseboard's dimensions that Chris is working with), you multiply the length by the width. Given that the length of the bed is 15 meters and the width is 9/10 meters, the area of the rectangular baseboard can be found by multiplying these values. So, area = 15 meters * 9/10 meters = 13.5 square meters. Therefore, the area of the baseboard that Chris needs to install is 13.5 square meters.
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What are the a b and c values of 3x^2-4x=20
Answer:
[tex]a = 3, b = -4, c = -20[/tex]
Step-by-step explanation:
Step 1: Find the a, b, and c values
[tex]ax^2 + bx + c = 0[/tex]
[tex]3x^2 - 4x - 20 = 0[/tex]
The a value is: 3
The b value is: -4
The c value is: -20
Answer: [tex]a = 3, b = -4, c = -20[/tex]