Answer:
i would say a but i could be wrong
Step-by-step explanation:
Please help me i need help.
Answer:
5x+7 > 17 matches with 3.
1+3x > -5 matches with 2.
2x+1 < 3 matches with 1.
5-3x > 11 matches with 4.
Step-by-step explanation:
Jim makes $8.50 an hour. Each week, 11% of his total pay is deducted for taxes. How many hours does Jim have to work if he wants his take-home pay to be at least $300 per week? Write and solve an inequality for this situation.
Write this ratio as a fraction in simplest form without any units. 25 days to 5 weeks
Given:
There are given the statement:
25 days to 5 weeks.
Explanation:
To find the ratio, first, we need to convert the value of days into the week.
So,
To convert days into the week, we need to divide by 7.
So,
\(\frac{25}{7}week\)Now,
The ratio as a fraction is:
\(\frac{25}{\frac{7}{5}}=\frac{25}{7\times5}\)Then,
\(\begin{gathered} \frac{25}{\frac{7}{5}}=\frac{25}{7\times5} \\ =\frac{5}{7} \end{gathered}\)Final answer:
Hence, the ratio as a fraction is shown below:
\(\frac{5}{7}\)Divide.
A. 2
B. 3
C. 2 r1
D. 3 r1
Answer: D
Step-by-step explanation:
Calculate the value 4-2(-5) =
answer is 14.
4-(2*-5)
4-(-10)
=4+10
=14.
Answer:
\(\bf 14\)Step-by-step explanation:
\(\tt 4-2(-5)\)
Follow the PEMDAS order of operations:-
P: Parentheses
E: Exponents
M: Multiplication
D: Division
A: Addition
S: Subtraction
1) Multiply and/ or divide:-
\(\tt 2\left(-5\right)\)\(\tt -10\)\(\tt 4 -\left(-10\right)\)
2) Addition/Subtraction:-
\(\tt 4-\left(-10\right)\)\(\tt 4+10\)\(\tt 14\)_____________________
Hope this helps! :)
1) Armando loaned money from a bank to buy a Dodge Challenger that costs $30,940. The interest rate is 3.5% yearly. If he makes no payments, how much would the loan be in 3 years? What about 7 years?
Answer:
3 years: $27691.30
7 years: $23359.70
Step-by-step explanation:
3.5% of 30,940 = 1082.9
for each year there is interest, we multiply it by that amount of years.
equation: 1082.9x
3 years: 3248.7
7 years: 7580.3
since interest is subtracted, we will subtract the multiplied interests from above.
equation: 30940 - 1082.9x = answer
3 years: $27691.3
7 years: $23359.7
Answer:
Step-by-step explanation:
Which of the following would be an algebraic expression for the following phrase?
The sum of 12 and the product of -8 and n
12 + 8 n
-8 n + 12
-8 n - 12
None of the above.
please help.
Answer: -8n + 12
Step-by-step explanation: Well we know the word "sum" is a keyword that tells us to use addition so right off the bat, we can eliminate any options that have a subtraction sign.
"The sum of 12 and the product of -8 and n" means
we are multiplying -8 by n since "product" means multiplication.
Then we just have to add 12 to that.
So we get -8n + 12
The Retail Advertising and Marketing Association would like to estimate the average amount of money that a person spends for Mother's Day with a 99% confidence interval and a margin of error within plus or minus $6. Assuming the standard deviation for spending on Mother's Day is $36, the required sample size is ________.
A) 313 B) 284 C) 210 D) 239
Answer:
D) 239
Step-by-step explanation:
We have that to find our \(\alpha\) level, that is the subtraction of 1 by the confidence interval divided by 2. So:
\(\alpha = \frac{1-0.99}{2} = 0.005\)
Now, we have to find z in the Ztable as such z has a pvalue of \(1-\alpha\).
So it is z with a pvalue of \(1-0.005 = 0.995\), so \(z = 2.575\)
Now, find the margin of error M as such
\(M = z*\frac{\sigma}{\sqrt{n}}\)
In which \(\sigma\) is the standard deviation of the population and n is the size of the sample.
Required sample size:
Is n
n is found when \(M = 6\)
We have that \(\sigma = 36\)
So
\(M = z*\frac{\sigma}{\sqrt{n}}\)
\(6 = 2.575*\frac{36}{\sqrt{n}}\)
\(6\sqrt{n} = 36*2.575\)
Simplifying by 6
\(\sqrt{n} = 6*2.575\)
\((\sqrt{n})^{2} = (6*2.575)^{2}\)
\(n = 238.7\)
We round up, and the answer is 239.
whats equivalent to 3:4
Answer:
6:8
Step-by-step explanation:
if you double the question you get your answer
The probability of any player winning 1 of 4 games is shown in the table. Three friends are going to play one of the games. The friends want to play the fairest game. Which game should they play? A) Game #1 B) Game #2 C) Game #3 D) Game #4
Answer:
Game #1B is the correct answer i guess so
I came here to practice some questions for my PSAT test upcoming.
Answer:
Your doing a practice SAT test... thats nice I have already done that and the practice ACT testing... im only 13 :)
Princeton here i come! :D
Step-by-step explanation:
Question 7
Write the integer that is equivalent to |10|
Answer:
10
Step-by-step explanation:
Why was 56 and 36 points selected?
Nemo can make a monthly payment of $565 for a car. If the annual interest rate he
qualifies for is 9% for 4 years, what price could he afford for the car?
Answer:$ 24,679.20 or 514.15 a month
Step-by-step explanation: 565(.09) is 50.85 which needs to be deducted from the payment of 565 because he needs to be able to pay for interest. 514.15 is then multiplied by 48 months which will bring you to 24,679.20
There are two glass pyramids at the Louvre Museum in Paris, France. The outdoor pyramid has a square base with side lengths of 35.4 meters and a height of 21.6 meters. The indoor pyramid has a square base with side lengths of 15.5 meters and a height of 7 meters. How many times as great is the volume of the outdoor pyramid than that of the indoor pyramid?
The volume of the outdoor pyramid is 16 times greater than that of the indoor pyramid.
What exactly is a square pyramid?
With a square base and four triangular faces or sides that meet at a single point (known as the vertex), a square pyramid is a three-dimensional geometric object. Because to its five faces, it is known as a pentahedron.
The outdoor pyramids is in the space of a rectangular pyramids
the volume of a rectangular pyramids
V₁ = 1/3 . b . b h
= 1/3 . (35.4) .(35.4) . (21.6)
= 9,022.752 m³
the volume of a indoor rectangular pyramids
V₂ = 1/3 . b . b . h
= 1/3 * (15.5) * (15.5) * 7
= 560.583 m³
V₁/V₂ = 9022.752/560.583
= 16.095 ≈ 16
Therefore, the volume of the outdoor pyramid is 16 times greater than that of the indoor pyramid.
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After taking your Freshman English class, you notice there is quite a difference between the students in the classes related to your Business major and your general education requirements. You believe it comes down to a difference in verbal and math abilities. You are interested in seeing how your English classmates performed on two parts of the SAT. You randomly collect data from 28 students on their Math SAT score (population
1), and randomly select another 25 students and collect data on their Verbal SAT score (population
2). After entering the data into Excel you obtain the following output: t-Test: Two-Sample Assuming Unequal Variances Q=0.05 Math SAT Verbal SAT Mean 668. 7604 701.888 Variance 3826.406 6944.827 Observations 28 25 Hypothesized Mean Difference 0 df 44 t Stat P(T<=t) one-tail t Critical one-tail 1.68 P(T<=t) two-tail t Critical two-tail 2.01 What is the value of the test statistic to test if math and verbal scores differ in the SAT exam?
a. -1.479
b. There is not enough information to answer this question
C. -1.627
d. 30.116
e. 30.116
Complete Question
The complete question is shown on the first uploaded image
Answer:
The correct option is C
Step-by-step explanation:
From the question we are told that
The sample size for Math SAT is \(n_1 = 28\)
The sample size for Verbal SAT is \(n_2 = 25\)
Generally the test statistics is mathematically represented as
\(t = \frac{\mu_1 - \mu_2}{ \sqrt{\frac{\sigma^2_1 }{n_1} + \frac{\sigma_2^2}{n_2} } }\)
substituting 668. 7604 for \( \mu_1\) , 701.888 for \( \mu_2\), 3826.406 for \( \sigma_1^2\) , 6944.827 for \(\sigma_2^2\)
So
\(t = \frac{668.7604 - 701.888}{ \sqrt{\frac{3826.406}{28} + \frac{6944.827}{25} } }\)
=> \(t = 1.627\)
Which statement about the zeros of the graphed function is true?
A polynomial function passes through (0.8, 4), (2, minus 4), (4.6, 0.5), (6, 0), and (7.5, 8) also intercepts the x-axis at 1, 4 and 6 units.
A.
The function has three distinct real zeros.
B.
The function has two distinct real zeros and two complex zeros.
C.
The function has four distinct real zeros.
D.
The function has one distinct real zero and two complex zeros.
The function has three distinct real zeros.
The correct answer is A.
To determine the statement about the zeros of the graphed function, let's analyze the given information.
We have the following points on the graph:
(0.8, 4), (2, -4), (4.6, 0.5), (6, 0), and (7.5, 8)
Additionally, the function intercepts the x-axis at 1, 4, and 6 units.
To find the zeros of the function, we need to identify the x-values where the function intersects the x-axis.
From the given information, we know that the function intersects the x-axis at 1, 4, and 6 units.
These three x-values correspond to three distinct real zeros of the function.
The correct statement about the zeros of the graphed function is:
The function has three distinct real zeros.
The correct answer is A.
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Hello!!
please find the
x-intercept:
and the y-intercept:
Answer:
x-intercept(s): (-10/7,0) y-intercept (0,5)
Step-by-step explanation:
John drove from here to San Antonio which is 180 miles away in 3 hours. Which rate is equivalent to
the rate at which John drove to San Antonio?
The rate that is equivalent to the rate at which John drove to San Antonio is 60 miles per hour
Which rate is equivalent to the rate at which John drove to San Antonio?From the question, we have the following parameters that can be used in our computation:
John drove from here to San Antonio which is 180 miles away in 3 hours.
This means that
Distance = 180 miles
Time = 3 hours
Using the above as a guide, we have the following:
Speed = Distance/Time
Substitute the known values in the above equation, so, we have the following representation
Speed = 180/3
Evaluate
Speed = 60
Hence. the rate that is equivalent to the rate at which John drove to San Antonio is 60 miles per hour
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An experiment consists of determining the speed of automobiles on a highway using a radar equipment. The random variable in this experiment is a:
Answer:
the speed value that the radar equipment outputs.
Step-by-step explanation:
A random variable in an experiment is also (and most times the case) called a dependent variable. In this scenario, the random variable would be the speed value that the radar equipment outputs. This is because this value depends on the actual velocity of the cars that pass by the equipment. The faster the car is moving when it passes the radar the higher value will be displayed on the equipment. Therefore, depending completely on the vehicles.
ANSWER PLEASE I BEG YOUUUUUUUUU
Answer:
A
cant be b, c and d cause its not parallel
Three pizza are shared equally among 12 people.what fraction of a pizza will each person get?
A
4/1
B
3/1
Answer:
d) 1/12
Step-by-step explanation:
Question 4 of 10, Step 1 of 1
2/out of 10
Correct
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The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day. They would like the estimate to have a maximum error of 0.11
gallons. A previous study found that for an average family the standard deviation is 2.3
gallons and the mean is 19.9
gallons per day. If they are using a 80%
level of confidence, how large of a sample is required to estimate the mean usage of water? Round your answer up to the next integer.
Answer:
The formula to calculate the sample size needed to estimate a population mean with a specified margin of error is:
n = (Z*σ/E)^2
Where:
Z = the Z-score for the desired level of confidence
σ = the standard deviation of the population
E = the maximum error (margin of error) allowed
n = the sample size
Substituting the given values:
Z = 1.28 (for an 80% level of confidence)
σ = 2.3 gallons (from the previous study)
E = 0.11 gallons (the maximum error allowed)
n = (1.28*2.3/0.11)^2
n = 89.13
Rounding up to the next integer, the sample size required is 90. Therefore, the water works commission needs a sample of 90 households to estimate the mean household usage of water in the small town with a maximum error of 0.11 gallons and an 80% level of confidence.
Step-by-step explanation:
help meeeeeeeeeeeeeeee i don't get it im not smart
Answer:
Any numbers when we add or subtract or divide or multiply that can give as -28
Step-by-step explanation:
For example, -9x3= -28
10-38=-28
Answer:
-28
Step-by-step explanation:
easy
2x(7)=17 I need help on two step equations plzz
Answer:
17/14
Step-by-step explanation:
2x(7)=14x
14x=17
x=17/14
PLEASE MARK BRAINLIEST
Answer:
the answer is \(x=\frac{17}{14}\) or \(x=1.21\)
Explanation:
Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.
an ice cream truck operator tracks total daily sales rounded to nearest dollar for 14 days as shown in the following 1: $201 2:$249 3: $285 4:$297 5:$288 6:$262 7:$256 8:$240 9:$210 10:$199 11:$192 12:$215 13:$237 14:$2 90 based on a cubic model of the data what is the predicted number of sales on the 15th day
The cubic model of the data is y=0.68x³ - 15.29x² + 92.23x + 123.62 and the value of y is $361.82 on the 15th day.
What is a regression line?A regression line is a graph that illustrates the pattern of a group of statistics. In other words, it shows the data's best pattern.
It is given that:
an ice cream truck operator tracks total daily sales rounded to nearest dollar for 14 days
The cubic regression will be:
y = ax³ + bx² + cx + d
Plug the values of x and y from the data set and get the values of a,b,c,and d:
After calculating:
y=0.68x³ - 15.29x² + 92.23x + 123.62
Thus, the cubic model of the data is y=0.68x³ - 15.29x² + 92.23x + 123.62 and the value of y is $361.82 on the 15th day.
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a package of 5 pairs of insulated socks costs 41.95. what is the unit price of the pairs of socks
Answer:
8.39
Step-by-step explanation:
divide the total price by the amount of the item there is:
41.95/5=8.39 per pair of socks
Answer:
$8.39 per pair
Step-by-step explanation:
41.95/5=8.39
Grade 5 Fractions how do you simplify fractions for 15/30
Answer:
Step-by-step explanation:
what are the importance of statistics in estate management?
Describe and correct the error in finding the perimeter or area of the polygon.
Answer:
Look at explanation.
Step-by-step explanation:
The error is that the length of the polygon is 5 not 4. The perimeter should be 16 units not 14 units.
The perimeter of the given polygon is 16 units.
What is the perimeter?The perimeter of a shape is defined as the total distance around the shape. It is the length of the outline or boundary of any two-dimensional geometric shape. The perimeter of different figures can be equal in measure depending upon the dimensions.
From the given figure, length =5 units and width =3 units.
We know that, the perimeter of a rectangle is perimeter =2(length+width)
P= 2l+2w
= 2(5)+2(3)
= 10+6
= 16 units
Therefore, the perimeter of the polygon is 16 units.
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