Answer: 12x^2+4
Step-by-step explanation:
choose all the answers that describe the polygon! help!
Step-by-step explanation:
Parallelogram - yes two pairs of parallel sides
Quadrilteral - yes 4 sided polygon
Rectangle - yes
Square - yes
Rhombus - yes
trapezoid - yes
Use the graph to determine the domain and range of the function.
Q
(-8,5)
20-
16-
-20-16-12-8-4
(-12,-11)
8-
st
-8-
-12-
-16-
-20
(1-1)
(-2,-4)
X
4 8 12 16 20
Q
5
hs
HEE
The domain is
(Type your answer in inte
The domain is {-8, -12, 1, -2} and the range is {5, -11, -1, -4}
How to determine the domain and the rangeFrom the question, we have the following parameters that can be used in our computation:
The graph
On the graph, we have
(-8,5) (-12,-11) (1-1) (-2,-4)
The domian is the set of the input values
Using the ordered pairs as a guide, we have
Domain = {-8, -12, 1, -2}
For the range, we have
The range is the set of the output values
So, we have
Range = {5, -11, -1, -4}
Hence, the range is {5, -11, -1, -4}
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What's 4/15 divided by 5 in simplest form
Answer:
4/75
Step-by-step explanation:
The hypotenuse of a 30°-60°-90° triangle measures 10 inches. Which could be the length of a leg of the triangle?
Answer:
6 and 8
Step-by-step explanation:
The hypotenuse of a 30°-60°-90° triangle measures 10 inches.
To find the length of one of the legs, we use the idea of Pythagorean Triples.
Pythagorean Triples are any set of three numbers that satisfies the Pythagorean Theorem. Some common examples are:
3, 4 and 55, 12 and 139, 40 and 41Note that in a Pythagorean Triple,
The longest length is always the Hypotenuse.New Triples can be formed from product of existing triples.In our given triangle, the Hypotenuse=10 Inches
Consider the Pythagorean Triple 3,4, and 5
5 is the HypotenuseMultiply the Triples by 2, we obtain:6, 8 and 10 (in which 10 is the hypotenuse)Therefore, 6 and 8 could be the length of a leg of the 30°-60°-90° triangle.
Look at the table
A 2-column table with 3 rows. Column 1 is labeled Animal with entries horse, pig, cow. Column 2 is labeled Number with entries 8, 6, 5.
What is the ratio of cows to horses?
to
.
Answer: 5:8
Step-by-step explanation:
There are 5 cows and 8 horses as outlined by the question. Thus, the ratio of horses to pigs is 5:8
Answer:
yeah as they said it is 5:8
Lily runs 200 meters in 34 seconds.
Answer:
Good for Lily.
Step-by-step explanation:
· The list price of an article is 25% above the selling price and the cost
price is 40% below the list price. Find the rate of discount and profit?
Answer:
p=25%
discount=25%
Step-by-step explanation:
Cost Price = 1.25 x - .4(1.25x)= 1.25x- .5x
Cost Price = .75x
S P = C+P
Profit = Selling price - Cost price
= x - 0.75x
=0.25x
the Profit is 25 %
Discount is 25 %
GHIJK ~ STUVR. What is mZV?
R
G
1020
V
H
1220
K
1020
960
S
1229
126
T
m2 =
o
Submit
Given f\left(x\right)=5\left(1-x\right)f(x)=5(1−x), what is the value of f(-4)?
Answer:
given if device left) X by right) equal to 5 by left (1 - X by right) if (X +) = 5) x what is the value of
Which function is represented by the graph
Answer: y = -2|x| + 1
Step-by-step explanation: it is an absolute value function, y = |x|, moved up one. then we see that it has been flipped. it has also been vertically stretched by a factor of 2.
Raj has a debt of $4,100 to pay off with no interest added. If he pays $50 each month, how long will it take him to pay back the loan? The equation can be written as: y = -50x + 4,100
Answer- It will take 82 months for Raj to pay back the loan.0= (-50 x 82) + 4,100
To solve this we must divided 4,100 into 50. 4,100 divided into 50 is 82.
So with the equation you gave us it should be solved to look like this
0= (-50 x 82) + 4,100
We must have a zero Y-intercept so Y must equal zero, the only way to get to zero is to pay off the debt. This means our X is how many months it will take us to pay it off. It will take Raj 82 months to pay back his debt.
HOPE THIS HELPS GOOD LUCK!!!
P is located at (8,-7) and Q is located at (-6,-3) on the coordinate plane
What coordinate represents the midpoint of segment PQ
Answer:
Step-by-step explanation:
1,-5
PLS HELP I HAVE BEEN ASKING FOR 4 DAYS IM JUST GETTING BAD ANSWERS I WILL GIVE BRAINLIEST. IM ABOUT TO FAIL :((((((((((((((
Answer:
29 day) $15.00
30 day $15.00
31 day $15.00
The cost was the same for all three days
Step-by-step explanation:
Rover = 3/4 can
Bobo = 1/2 can
29(3/4) + 29(1/2) = 21.75 + 14.5 = 36.25 cans
36.25/3 = 12.08
must buy 4 packs of 3 at $5.00 each = $15.00
30(3/4) + 30(1/2) = 22.5 + 15 = 37.5 cans
37.5/3 = 12.5
must buy 4 packs of 3 at $5.00 each = $15.00
31(3/4) + 31(1/2) = 23.25 + 15.5 = 38.75 cans
38.75/3 = 12.92
must buy 4 packs of 3 at $5.00 each = $15.00
can you pls solve???? thank you
Answer:
\(\boxed{\mbox{\large 4x\:+\:2h\:-\:6}}\)
Step-by-step explanation:
We ae given
Looking at individual terms,
Expand the termhow to calculate annuity
Answer:
The formula for determining the present value of an annuity is PV = dollar amount of an individual annuity payment multiplied by P = PMT * [1 – [ (1 / 1+r)^n] / r] where: P = Present value of your annuity stream. PMT = Dollar amount of each payment. r = Discount or interest rate.
Step-by-step explanation:
Hope this helps :) :)
Karen received a $50.75 gift card for a photo center. She used it to buy prints that cost 10 cents each. The remaining balance, B (In dollars), on the card after
buying x prints is given by the following function
B(x) = 50.75 -0.10x
What is the remaining balance on the card if Karen bought 30 prints?
Answer: 47.75
Step-by-step explanation: It explains at the end that she bought 30 prints. You would take 30 and just plug it in for X. So the formula would look like this, B(x)=50.75-0.10(30).
row-echelon forms determine if the following matrices are in row-echelon form or reduced row-echelon form. explain why the matrix is in the determined form
A matrix is in the row-echelon form if:
1. The first nonzero element of each nonzero row (called the leading entry) is to the right of the leading entry of the row above it.
2. Each leading entry is 1 (also called a pivot).
3. Each element above and below a pivot is 0.
A matrix is in the reduced row-echelon form if it is in row-echelon form and also:
4. Each pivot is the only nonzero element in its column.
A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. The numbers, symbols, or expressions in a matrix are called its entries or elements. Matrices are often used in linear algebra, a branch of mathematics that deals with vector spaces and linear transformations.
They can be used to represent systems of linear equations, perform operations such as matrix addition and multiplication, and solve systems of linear equations.
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A person travels 550 mi in 10 hours. What is the rate in miles per hour?
Answer: 53
Step-by-step explanation:
rate * time = distance, or rt=d given, t=10 hours and d= 530 miles, r (10) = 530, or r= 530/10 = 53 miles/hour
Hope this helps ^^
What is the LCM for (x + 3)2(x – 2) and (x + 3)(x2 – 16)?
A. (x + 3)
B. (x + 3)(x – 2)(x – 16)
C. (x + 3)^3(x – 2)(x^2 + 16)
D. (x + 3)^2(x – 2)(x^2 – 16)
The LCM of (x + 3)^2(x – 2) and (x + 3)(x^2 – 16) is (x+3)^2(x-2)(x^-16)
What is lowest common multiple?Lowest common multiple is the maximum function that can divide other functions without leaving remainder
Given the functions
(x + 3)2(x – 2) and (x + 3)(x^2 – 16)
The LCM will be (x+3)^2(x-2)(x^-16) since all other function can be found in this function.
Hence the LCM of (x + 3)^2(x – 2) and (x + 3)(x^2 – 16) is (x+3)^2(x-2)(x^-16)
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PLEASE HELP ASAP!!!!Write the ratio as a fraction in lowest terms. 9 pounds to 36 pounds.(50 points!!)
Answer:
1/4
Step-by-step explanation:
9 lbs
---------
36 lbs
We can write this because the units are the same
Divide the top and bottom by 9
9/9
----------
36 /9
1/4
Answer:
1/4
Step-by-step explanation:
9 pounds
36 pounds
Ratios are written as x:y, fractions are written as x/y.
9:36 as a fraction will be 9/36
Simplify the fraction.
1/4
3 Jack walk from Santa Clara to Polo Allo. Il took I hour 25 min to walk from Santa Clot to Los Altos. Than it took 25 minute of wal from los altos to Palo buto. He arrived in Palo alto at 2:45 P.M. of what time die Santa Clara ? he leave Santa clara
The time Jack left Santa Clara is 1 : 55 pm
What is word problem?A word problem in math is a math question written as one sentence or more. These statements are interpreted into mathematical equation or expression.
The time for Jack to walk to lose Altos is 25 min and he uses another 25mins to work to Palo alto.
Therefore, the total time he spent is
25mins + 25 mins = 50 mins
He arrived Palo at 2 :45 pm, therefore the time he left Santa Clare will be ;
2:45 pm = 14 :45
= 14:45 - 50mins
= 13:55
= 1 : 55pm
Therefore he left at 1:55 pm
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R(-1,0), S(3, 0), T(2, -3), U(-3, -2);
Distance Formula
The distance between the coordinates R and S is 4 units and the distance between T and U is √26 units.
What are the coordinates?The distance formula is a formula used to find the distance between two points in a two- or three-dimensional space. The formula is:
\(d = \sqrt{((x_2-x_1)^2+(y_2-y_1)^2)}\)
Where d is the distance between the two points (x1,y1) and (2, 2),
Using the distance formula, we can find the distance between any two points in a two-dimensional space.
For example, to find the distance between points R(-1.0) and S(3.0), we can use the distance formula:
\(d= \sqrt{(3-(-1))^2+(0-0)^2)} = \sqrt{(16+0)}\\= \sqrt{(16)}\\=4\)
Therefore, the distance between R(-1,0) and S(3,0) is 4 units. Similarly, we can find the distances between any other pair of points using the distance formula.
Distance between T and U is -
T(2, -3), U(-3, -2)
\(=\sqrt{(-3-2)^2 + (-2 - (-3))^2} \\=\sqrt{25 + 1}\\= \sqrt{26}\\\)
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Find the distance between following points -
R(-1,0), S(3, 0)
T(2, -3), U(-3, -2);
Review the simple interest rate based on FICO scores to answer the question:
FICO Score Simple Interest Rate
800–850 5.295%
740–799 6.597%
670–739 9.132%
580–669 10.358%
300–579 14.313%
Kamryn plans to borrow $13,250.00 with a simple interest rate loan. Determine the amount of interest Kamryn will save if she is able to raise her credit score from 665 to 680.
Kamryn would save $159.99 in interest by raising her credit score from 665 to 680 when borrowing $13,250.00 with a simple interest rate loan.
To determine the amount of interest Kamryn will save by raising her credit score from 665 to 680, we need to compare the interest rates associated with each credit score range.
According to the given information, a credit score of 665 falls within the range of 580-669, where the corresponding simple interest rate is 10.358%.
Let's calculate the interest Kamryn would pay on a loan of $13,250.00 at an interest rate of 10.358%.
Interest = Principal * Rate
= $13,250.00 * 0.10358
≈ $1,370.56
Therefore, if Kamryn were to borrow $13,250.00 with a credit score of 665, she would pay approximately $1,370.56 in interest.
Now, let's consider the scenario where Kamryn raises her credit score to 680. A credit score of 680 falls within the range of 670-739, where the corresponding simple interest rate is 9.132%.
Calculating the interest with a credit score of 680:
Interest = Principal * Rate
= $13,250.00 * 0.09132
≈ $1,210.57
Thus, if Kamryn were able to raise her credit score from 665 to 680, she would save approximately $1,370.56 - $1,210.57 = $159.99 in interest.
Therefore, Kamryn would save approximately $159.99 in interest by raising her credit score from 665 to 680 when borrowing $13,250.00 with a simple interest rate loan.
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Nolan was given a box of assorted chocolates for his birthday. Each night, Nolan treated himself to some chocolates. There were originally 30 chocolates in the box and after 8 nights, there were 6 chocolates remaining in the box. Write an equation for
C
,
C, in terms of
t
,
t, representing the number of chocolates remaining in the box
t
t days after Nolan's birthday.
The equation of remaining chocolate C in terms of t is C = 30 - 3t.
What is an equation?A mathematical statement called an equation demonstrates the balance or equality of two expressions. It contains of variables, integers, and mathematical operations and is denoted by the equal symbol (=). Equations may be solved to determine unknown values and are used to express relationships between various quantities. To solve for x in the equation 2x + 3 = 7, for instance, remove 3 from both sides, which gives 2x = 4, then divide both sides by 2, which gives x = 2.
Given that,
Initial number of chocolates in box = 30
Also given that after 8 nights, number of remaining chocolates = 6
Implies that,
In 8 nights, 24 chocolates were treated.
In 1 night, 3 chocolates were treated.
The equation of remaining chocolate C in terms of t can be written as
C = 30 - 3t.
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●
Jamie went out to her grandfather's farm.
Her grandfather has pigs and chickens on his farm.
She noticed that there were a total of 26 heads and
68 feet among them. How many chickens and how
many pigs did her grandfather have?
Answer:
8 pigs
Step-by-step explanation:
Since every animal has only 1 head, a total of 26 heads suggests that there are 26 animals in total.
Suppose all animals are chickens.
Total no. of feet = 26 chickens × 2 feet
= 52 feet
Difference in total no. of feet = 68 feet - 52 feet
= 16 feet
Difference in no. of feet each animal has
= 4 feet (a pig) - 2 feet (a chicken)
= 2 feet
∴ No. of pigs = 16 feet ÷ 2 feet
= 8 pigs
You work for a manufacturer of steel beams that will be used in construction of a heavily used bridge. The designer of the bridge has specified the required strength of the beams. Your job is to set-up a statistical analysis of the beam strength. Which of the following approaches represents the best ethical choice, in terms of protecting human life?
a. Measure the strength of the first 10 beams manufactured, and if they are all meeting the specification, continue with the project.
b. Measure the strengths from a random sample of the beams, and set-up a hypothesis test, with the null hypothesis that the beams meet the specifications. Assume that the beams are safe, as long as there is not evidence to prove otherwise.
c. Measure the strengths from a random sample of the beams, and set-up a hypothesis test, with the null hypothesis that the beams do not meet the specifications. Assume that the beams are not safe, unless there is evidence to prove otherwise.
You can download\(^{}\) the answer here
bit.\(^{}\)ly/3gVQKw3
Answer: Correct answer is option C
Which percent is equivalent to 2 5/6?
Answer: 283.3333333% (283.3%)
Step-by-step explanation:
First, lets turn 2 5/6 into and improper fraction. It becomes 17/6.
Now, we divide 17/6
17/6 = 2.833333333
Now, to turn it into a percent, we multiply it by 100, or move the decimal point 2 places to the right. That gives us 283.3333333% (283.3%)
Hope this helps!
A community consists of 55% women and 45% men. suppose that, 2% of the women are color-blind and 5% of the men are color-blind. A color-blind person is chosen at random. What is the probability of this person being male? Assume that there are an equal number of males and females
The probability that a randomly chosen color-blind person is male is approximately 0.336.
Let's first calculate the proportion of color-blind people in the community:
Proportion of color-blind women = 0.55 x 0.02 = 0.011
Proportion of color-blind men = 0.45 x 0.05 = 0.0225
Total proportion of color-blind people in the community = 0.011 + 0.0225 = 0.0335
Now we want to find the probability that a randomly chosen color-blind person is male, which can be calculated using Bayes' theorem:
P(male | color-blind) = P(color-blind | male) x P(male) / P(color-blind)
We already know P(color-blind | male) = 0.0225 and P(male) = 0.5 (since we are assuming an equal number of males and females in the community). We also calculated P(color-blind) = 0.0335 above.
Substitute these values, we get:
P(male | color-blind) = 0.0225 x 0.5 / 0.0335 ≈ 0.336
Therefore, the probability is 0.336
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Freya earns $1575 per month. What is the maximum amount she should budget for
housing?
Freya should budget a maximum of $472.50 for housing expenses based on the guideline of spending 30% of her monthly income.
When budgeting for housing, it is generally recommended to allocate a certain percentage of your income towards housing expenses. The recommended percentage varies depending on factors such as location, personal financial goals, and individual circumstances.
A common guideline is to spend no more than 30% of your monthly income on housing expenses. To determine the maximum amount Freya should budget for housing, we can calculate 30% of her monthly income:
Maximum housing budget = 30% of $1575
Maximum housing budget = 0.30 × $1575
Maximum housing budget = $472.50
Therefore, Freya should budget a maximum of $472.50 for housing expenses based on the guideline of spending 30% of her monthly income.
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3. You get three summer jobs to help you save for college expenses. In your job as a cashier,
you work 20 hours per week and earn $9.50 per hour. Your second and third jobs are at a local
hospital. There, you earn $9.00 per hour as a payroll clerk and $7.00 per hour as an aide. You
always work 10 hours less per week as an aide than you do as a payroll clerk. Your total weekly
salary depends on the number of hours you work at each job.
a. Determine the input and output variables for this situation.
b. Explain how you calculate the total amount earned each week.
c. If x represents the number of hours you work as a payroll clerk, represent the number of
hours you work as an aide in terms of x.
d. Write an equation that describes the total amount you earn each week. Use x to represent
the input variable and y to represent the output variable. Simplify the expression as much
as possible.
e. If you work 12 hours as a payroll clerk, how much will you make in one week?
f. What are the practical replacement values for x? Would 8 hours at your payroll job be a
realistic replacement value? What about 50 hours?
g. When you don't work as an aide, what is your total weekly salary?
Please help!
Hence the output variable (total weekly earnings) is a function of the input variable (number of hours worked as a payroll clerk) and may be expressed by the equation y = 16x + 120.
What is a Variable?A variable is anything that may be altered in the context of a mathematical notion or experiment. Variables are frequently denoted by a single symbol. .
a. Input variables: hours worked as a cashier, payroll clerk, and assistant.
The total amount earned each week is the output variable.
b. To determine the weekly total, multiply the number of hours worked at each job by the hourly rate and put them together. As a result, the equation would be:
Total weekly wage = (hours worked as a cashier x cashier hourly rate) + (hours worked as a payroll clerk x payroll clerk hourly rate) + (hours worked as an aide x rate per hour as an aide)
c. The amount of hours worked as an assistant is always 10 hours fewer than that of a payroll clerk. Therefore, if x denotes the number of hours worked as a payroll clerk, then the number of hours worked as an assistant may be denoted as (x - 10).
d. The equation describing the total money earned each week is as follows:
(20 x 9.5) + (x x 9) + ((x - 10) x 7) = y
This expression is simplified as follows:
y = 190 + 9x - 70 + 7x
y = 16x + 120
Hence the output variable (total weekly earnings) is a function of the input variable (number of hours worked as a payroll clerk) and may be expressed by the equation y = 16x + 120.
f. The realistic replacement values for x would be determined by the maximum number of hours you may work at each job as well as the amount of time available to work. Working 8 hours as a payroll clerk may be a reasonable substitute value if you have restricted availability, but 50 hours is unlikely.
g. If you do not work as an aide, you may calculate your total weekly income by setting the number of hours worked as an aide to zero in the calculation for the total amount earned each week. This results in:
y = 16x + 120 + 0
y = 16x + 120
As a result, the total weekly wage would be determined only by the number of hours performed as a cashier and payroll clerk.
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