Answer:
x = 27
Step-by-step explanation:
Cross-multiply. Wrap some parenthesis around the x+6 to keep it together. Use distributive property. See image.
Please help ( image attached )
The scale Alexander is using for his map is 1 inch : 300 feet
The height of Alexander's triangle in inches is 4 inches
How to find the scale of the mapThe scale of the map is gotten by comparing the first dimensions Alexander drew
He made 10 inches to represent 3000 feet, this is equivalent to 1 inch to 300 feet hence the scale is 1 inch : 300 feet
Using the scale, a height of 1200 feet would be
1 inch = 300 feet
? inch = 1200 feet
cross multiplying
? * 300 = 1200 * 1
? = 1200 / 300
? = 4 inches
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What are AB and BC? AC=28 A=30 C=90 B=60
For the given triangle ABC, Measures of given angles are m∠A=30 , m∠C=90 , m∠B=60 and side AC = 28 then the measure of side AB = 56√3/3 , BC =28√3/3.
As given in the question,
In the triangle ABC,
Measures of given angles are :
m∠A=30 , m∠C=90 , m∠B=60
And Measure of side AC = 28
As ABC is right angled triangle with m∠C=90,
If we take ∠A,
AC = Base
AB = Hypotenuse
BC = perpendicular side
Using trigonometric ratios,
tan A = BC/AC
⇒tan 30° = BC / 28
⇒1/√3 = BC /28
⇒ BC = 28/√3
⇒BC = 28√3/3
Now,
cos A = AC/AB
⇒ cos 30° = 28/AB
⇒ √3/2 = 28 /AB
⇒ AB = (28 × 2)/√3
⇒ AB = 56√3/3
Therefore, for the given triangle ABC, Measures of given angles are m∠A=30 , m∠C=90 , m∠B=60 and side AC = 28 then the measure of side AB = 56√3/3 , BC =28√3/3.
The complete question is:
What are AB and BC? AC=28 , m∠A=30 , m∠C=90 , m∠B=60.
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Move the dot to -8 on the number line.
Answer:
(-10) ' (-8) ' | ' | ' | ' (0) ' | ' | ' | ' | ' (10)
Draw a graph of the line Y=3X
Please help
Answer:
Take a look at the attachment...
Hope this helps! :)
Mean=3, find the probability that X is at most 3
Answer: honestly the only thing i know is that mean is another way of saying expected value
Step-by-step explanation:
IXL Help Fast Please !
Answer:
y=-2x
Step-by-step explanation:
2=-2(-1)
2=2
Sorry for late response
A recipe calls for 40 ounces of rice. HOw many grams of rice does the recie require
1133.98 grams of rice is required for the preparation of the recipe which calls for 40 ounces of rice.
Given that:
A recipe requires 40 ounces of rice for its preparation.
We know that,
1 ounce = 28.3495 grams
We also know that,
1 gram = .035274 ounces.
To find the value of 40 ounces multiplies both sides by 40.
40 ounce = 28.3495 grams x 40
40 ounce = 1133.98 grams
Hence, for the preparation of the recipe which calls for 40 ounces of rice, 1133.98 grams of rice is required.
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What is the factored form of 16x2 16x^2 - 16x - 12?
The factored form of the given expression is (8x + 4)(2x - 3).
What do we mean by factor form?Modified form (of a quadratic expression) It is referred to as being in factored form when a quadratic expression is represented as the sum of two linear factors plus a constant.Y=1/2(x-6)(x+2) is an illustration of a quadratic function in factored form. This shape can be examined to determine the vertex as well as the graph's x-intercepts.So, the expression is:
16x² - 16x - 12Now, evaluate to get the factors as follows:
16x² - 16x - 1216x² -x( 24 - 8 ) - 1216x² -24x + 8x - 128x(2x - 3) + 4(2x - 3)Factors: (8x + 4)(2x - 3)
Therefore, the factored form of the given expression is (8x + 4)(2x - 3).
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Angel spends $29 to order binders online.
They buy 8 binders and pay a flat fee of $5 for shipping.
What is x, the cost of each binder?
The cost of each binder is $3.
Given,
In the question:
Angel spends $29 to order binders online.
They buy 8 binders and pay a flat fee of $5 for shipping.
To find the what is x, the cost of each binder?
Now, According to the question;
Based on the given conditions:
Formulate:
Angel spends = $29 to order binders online.
Buy the = 8 binders
Paying = $5 for shipping .
5 + 8 × x = 29
Solve the equation:
5 + 8x = 29
Rearrange the terms;
8x = 29 - 5
8x = 24
x = 24/8
x = 3
Hence, The cost of each binder is $3.
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{Question 14} Please help! Need this by tonight! Thanks so much :)
The slope of equation is 3x + y = 3 is -3
The standard from of Slope - intercept form of equation is y = mx +b
where , m is slope of line
b is y-intercept
and x and y are the variables
Slope of line represents steepness of a line and also termed as gradient .
Y- intercept represents the y- coordinate of the point where the line intersect the y-axis.
In the given question ,
The equation of the line is given as : 3x + 1y = 3
bring 3x to right side,
y = -3x + 3
comparing the equation to standard from
slope of line : m = -3
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Graph the equation shown below by transforming the given graph of the parent function
Y=4*2^-x + 1
The graph of the parent function Y = 2²⁻ ˣ +1 is presented below.
What is parent function?The parent function of a function is the simplest form of the function, which satisfies all the conditions of the given function.
The given function is,
Y= 4×2⁻ˣ+1
To find the parent function, simplify the given function,
Y = 2²ˣ2⁻ˣ+1
Y = 2²⁻ ˣ +1
Function Y = 2²⁻ ˣ +1 is the parent form of the given function Y= 4×2⁻ˣ+1.
The graph of the Y = 2²⁻ ˣ +1 is presented below.
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What is the equation in slope-intercept form of the line that passes through the point (2,-5) and is perpendicular to the line represented by y=2x+6
Answer:
y = (-1/2)x - 4
Step-by-step explanation:
y = 2x + 6
Perpendicular: y = (-1/2)x + 6
m = (-1/2); (2, -5)
(x₁, y₁)
y - y₁ = m(x - x₁)
y - (-5) = (-1/2)(x - 2)
y + 5 = (-1/2)x + 1
-5 -5
----------------------------
y = (-1/2)x - 4
I hope this helps!
Step-by-step explanation:
the slope-intercept form is
y = ax + b
"a" being the slope, "b" being the y-intercept (the y- value when x = 0).
the slope is the ratio (y coordinate difference / x coordinate difference) when going from one point on the line to another.
a perpendicular slope simply turns the original slope upside-down with x and y, and it flips the sign.
the slope of the origins line is 2 = 2/1.
the perpendicular slope is -1/2.
so, the equation looks like
y = -1/2 x + b
to get b we use the point coordinates :
-5 = -1/2 × 2 + b = -1 + b
-4 = b
so, the full equation is
y = -1/2 x - 4
{Question 12} Please help! Need this by tonight! Thanks so much {Click on picture}
HELP ME PLEASEEE FREE 15 POINTS
The transformation of the graphs is
1st graph is (x,y)→(x-4,y+2)
2nd graph is (x,y)→(x+6,y+0)
Given that,
There are two graphs with 2 triangles in each graph.
We have to find the transformation of the graphs.
Take the 1st graph,
We have 2 triangles ABC and A'B'C'.
The points are,
A=(0,0), B=(3,-4) and C=(-1,-2)
A'=(-4,2), B'=(1,-2) and C'=(-5,0)
We get the transformation as
(x,y)→(x-4,y+2)
Check the A and A' points
The A terms goes left for 4 times to A' so we take x-4 and the A terms goes up for 2 times to A' so we take y+2.
Similarly,
The B terms goes left for 4 times to B' so we take x-4 and the B terms goes up for 2 times to B' so we take y+2.
Similarly,
The C terms goes left for 4 times to C' so we take x-4 and the C terms goes up for 2 times to C' so we take y+2.
Now the 2nd graph,
We have triangle FCP and F'C'P'
The points are,
F=(-5,5), C=(-2,5) and P=(-3,0)
F'=(1,5), C'=(4,5) and P'=(3,0)
We get the transformation as
(x,y)→(x+6,y+0)
Check the F and F' points
The F terms goes right for 6 times to F' so we take x+6 and the F terms remain same so we take y+0
Similarly,
The C terms goes right for 6 times to C' so we take x+6 and the C terms remain same so we take y+0
Similarly,
The P terms goes right for 6 times to P' so we take x+6 and the P terms remain same so we take y+0
Therefore, The transformation of the graphs is
1st graph is (x,y)→(x-4,y+2)
2nd graph is (x,y)→(x+6,y+0)
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Answer:1 is (x,y)>(x-4,y+2)
2nd is (x,y)>(x+6,y+0)
Step-by-step explanation:
(> = an arrow)
I talked to my professional tutor about this, she didn’t happen to explain the answer though. She’s been working as a teacher for 20 years.
.....................
.
me too. did you know that animals that lay eggs don't have belly buttons?
Name
(Score for Question 2:
of 4 points)
2. Jaxon bought a cell phone. The cell phone's down payment is $35. There is a monthly cost of $20.
A. Write an equation that gives the total cost (in dollars) of paying a down payment for a cell
phone and paying a monthly payment as a function of the number of months needed to pay
off the phone in full. Write the equation in slope-intercept form.
-
Date
y=mx+b
Math 4.10 | Unit 4 Test, Part 2 | Lines | Page 2 of 4
B. Find the total cost if it takes 10 months to pay off the cell phone in full. Show your work.
Answer:
Y= 20x + 35
Step-by-step explanation: I have the same test.
The five types of positive résumé misrepresentations are false credentials, false experience, false chronology, embellished experience, false references. Negative résumé misrepresentations have also been discussed. Looking back at Irvine’s résumé adventure, can you label each of his transgressions?
False Credentials: The "grant" was a fake certification rather than something that was given to Irvine.
False Experience: He was serving the president food. The fact that he was simply a line, however, was revealed
False chronology: Five Star Diamon Award for a couple of back-to-back years. However, it was found that it was not consecutive.
Embellished experience: it was discovered that he had only chosen particular organic ingredients for the cake, didn't handle it
False References: The queen of England personally selected him for knighthood, which was inaccurate since it will never happen.
What is a resume?
A resume is a formal record that a candidate for a job makes to list their qualifications for the position. A personalized cover letter is typically included with a resume, in which the candidate expresses interest in a particular position or business and highlights the key information on the CV.
False Credentials: Robert Irvine misrepresented his education and experience by claiming on his résumé that he had completed a four-year program at the University of Leeds to earn a degree in food and nutrition. The college claimed they were unable to find any concrete connections between Irvine and the college in their records. Additionally, Irvine had to pay to participate in order to receive the "gift," making the American Academy of Hospitality Sciences anything but a licensed group. In this way, the "grant" was a fake certification rather than something that was given to Irvine.
False Experience: Irvine claimed to be a gourmet chef for the White House and implied that he was serving the president food. The fact that he was simply a line, however, was revealed
False chronology: According to Irvine, the American Academy of Hospitality Sciences gave him the Five Star Diamon Award for a couple of back-to-back years. However, it was found that it was not consecutive.
Embellished experience:He claimed on his resume that he had handled the wedding cake for Prince Charles and Princess Diana, although this was an inflated experience. Nevertheless, it was discovered that he had only chosen particular organic ingredients for the cake.
False References: Finally, he claimed that the Queen of England personally selected him for knighthood, which was inaccurate since it will never happen.
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Solve the initial value problem
r''(t)=2/t^2, r'(1)=3, r(1)=-4
The value of t from the given derivative is 7.38.... or −7.38....
The given second order derivative is r''(t)=2/t².
What is the differentiation?The process of finding derivatives of a function is called differentiation in calculus. A derivative is the rate of change of a function with respect to another quantity.
Here, r''(t)=2/t²
The anti-derivative is
Set the function up in integral form and evaluate to find the integral.
r'(t) = -2/t
Now, 3=-2/t
⇒ t=-2/3
Set the function up in integral form and evaluate to find the integral.
r(t)=-2ln(|t|)
So, -4=-2ln(|t|)
Isolate the variable by dividing each side by factors that don't contain the variable.
Exact Form :t=e²,−e²
Decimal Form:
t=7.38905609…,−7.38905609…
Therefore, the value of t from the given derivative is 7.38.... or −7.38....
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HELP ME PLEASE SOMEONE
Answer:
x = 3
Step-by-step explanation:
15x + 8 and 9x + 26 are corresponding angles and are congruent , then
15x + 8 = 9x + 26 ( subtract 9x from both sides )
6x + 8 = 26 ( subtract 8 from both sides )
6x = 18 ( divide both sides by 6 )
x = 3
. Mr. Witte is ordering trophies for his school. Company P charges $3.50 for each
trophy and a one-time engraving fee of 25$. Company R charges $7.50 for each
trophy and a one-time engraving fee of 17$. Which inequality can be used to find x,
the minimum number of trophies that can be ordered so that the total charge at
Company P is less than the total charge at Company R?
K
The minimum number of trophies that can be ordered so that the total charge at Company P is less than the total charge at Company R is 3
Company P charges $3.50 for each trophy and a one-time engraving fee of 25$
Let the number of trophies he buys be x
Total price at company P = 3.50x + 25
Company R charges $7.50 for each trophy and a one-time engraving fee of 17$.
Total price at company R = 7.50x + 17
minimum number of trophies that can be ordered so that the total charge at Company P is less than the total charge at Company R
3.50x + 25 < 7.50x + 17
- 4x < -8
4x > 8
x > 2
Therefore, minimum number of trophies that can be ordered so that the total charge at Company P is less than the total charge at Company R is 3
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11/3x7/3x5/3 What is the answer wwwwwwwwwwwww
The answer of 11/3*7/3*5/3 after multiplication is 385/27.
According to the question,
We have the following expression:
11/3*7/3*5/3
We know that when we multiply two more than two fractions then numerator is multiplied into the numerator and the denominator is multiplied into the denominator of another fraction.
So, we have the following expression after multiplying first two fractions:
77/9*5/3
Now, again repeating the above step:
385/27
(This can not be further classified into the simplest form because the numerator and denominator of this fraction can not be divided by one number.)
Hence, the answer of 11/3*7/3*5/3 after multiplication is 385/27.
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You have a goal of saving to build up a nest egg of $625,357.24, and you are going to make regular deposits to an account that pays an APR of 7.2% compounded monthly. What monthly deposits are required to reach this goal in 40 years? (Round your answer to the nearest cent.)
The monthly deposit required to save up to $625,357.24 (future value) in 40 years at a 7.2% APR is $225.20.
What is the monthly deposit?The monthly deposits are the periodic savings that the investor must make to achieve future value.
The monthly deposit is compounded at the monthly annual percentage rate (APR).
We can compute the required monthly deposits using an online finance calculator as follows:
N (# of periods) = 480 months (40 years x 12)
I/Y (Interest per year) = 7.2%
PV (Present Value) = $0
FV (Future Value) = $625,357.24
Results:
Monthly Deposits (PMT) = $225.20
Sum of all periodic payments = $108,096 ($225.20 x 480)
Total Interest = $517,261.24
Thus, to save $625,357.24 in 40 years, you need to deposit $225.20 monthly.
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The function f(x)=90e−0.3x+10 describes the percentage of information, f(x), that a particular person remembers x weeks after learning the information.
a.
Substitute 0 for x and, without using a calculator, find the percentage of information remembered at the moment it is first learned.
b.
Substitute 1 for x and find the percentage of information that is remembered after 1 week.
c.
Find the percentage of information that is remembered after 12 weeks.
d.
Find the percentage of information that is remembered after one year (52 weeks).
(a) The information remembered by the person in starting is 100%.
(b) The information remembered by the person after 1 week is 66.67%.
(c) The information remembered by the person after 12 weeks is 12.46%.
(d) The information remembered by the person after 52 weeks is 10%
What is an equation?An equation is a combination of different variables, in which two mathematical expressions are equal to each other.
The given function is,
f(x) = [tex]90e^{-0.3x}+10[/tex] (1)
(a)
Substitute x=0 in the equation (1)
f(0) = 90 e⁰ +10
Since, e⁰ = 1
f(0) = 90 +10
f(0) = 100
The information remembered by the person is 100.
(b)
Substitute x=1 in the equation (1)
f(1) = 90 [tex]e^{-0.3}[/tex] +10
f(1) = 66.67 + 10
f(1) = 76.67
The information remembered by the person is 66.67%.
(c)
Substitute x=12 in the equation (1)
f(12) = 90[tex]e^{-3.6}[/tex] +10
f(12) = 2.46 + 10
f(12) = 12.46
The information remembered by the person is 12.46%.
(d)
Substitute x=52 in the equation (1)
f(52) = 90[tex]e^{-15.6}[/tex] +10
f(52) = 0.00015 + 10
f(52) = 10(approx)
The information remembered by the person is 10%.
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Car inspection: Of all the registered automobiles in Colorado, 5% fail the state emissions test. Twelve automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places.
The probability that exactly 3 automobiles fail the test is 0.01733.
The probability that fewer than 3 of the automobiles fail the test is
0.9803.
Complete question:
Car inspection of all the registered automobiles in Colorado, 5% fail the state emissions test. Twelve Automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places
(a) Find the probability that exactly three of them fail the test.
(b) Find the probability that fewer than three of them fail the test.
What is Binomial Distribution?
The probability of success is said to follow a binomial distribution when many similar and independent Bernoulli trials are conducted. The likelihood of success and the quantity of tries are its dimensions. For every trial, the chance of success is the same.
State emission test failure probability is 0.05.
12 vehicles total are present.
Let's look at failing the test as a victory. If success is represented by p, then p = 0.05.
Considering that n represents the number of cars, n equals 12.
Let X represent how many vehicles fail the test.
So, X ∼ Bin (8,0.05)
P(X=x)= [tex]^{n}C_{x}p^{x}(1-p)^{n-x}[/tex]
= [tex]^{12}C_{x}0.05^{x}(0.95)^{12-x}[/tex]
a) Probability that exactly 3 automobiles fail the test is given by,
P(X=3)= [tex]^{12}C_{3}0.05^{3}(0.95)^{12-3}[/tex]
=0.01733
So, the probability that exactly 3 automobiles fail the test is 0.01733.
b) Probability that fewer of them than 3 fail the test is given by,
P(X<3)= P(X≤2)
= P(X=0)+P(X=1)+P(X=2)
= [tex]^{12}C_{0}(0.05)^{0}(0.95)^{12}[/tex] + [tex]^{12}C_{1}(0.05)^{1}(0.95)^{11}[/tex]+[tex]^{12}C_{2}(0.05)^{2}(0.95)^{10}[/tex]
= 0.9803
Hence, the probability that fewer than 3 of the automobiles fail the test is
0.9803.
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In the following equation: 4x -3=8, x represents a variable
Answer:
x = 11/4Step-by-step explanation:
In the following equation: 4x -3=8, x represents a variable
assuming you are looking for the value of x
4x - 3 = 8
4x = 11
x = 11/4
-------------
check
4 x 11/4 - 3 = 8
11 - 3 = 8
8 = 8
the answer is good
Suppose is Jeanine is building a tray for a floral table centerpiece in the shape of a pentagon.
The sum of interior angles of a tray that is of pentagon shape is 540°
Given,
There is a tray which is of pentagon shape.
We have to find the sum of interior angles of the tray.
We have to find the sum of interior angles of pentagon.
That is,
Sum of interior angle of polygon formula = (n - 2) × 180°
Where, n is the number of sides in a polygon.
Here,
Pentagon has 5 sides.
Then,
Sum of interior angles = (5 - 2) × 180° = 3 × 180° = 540°
That is,
The sum of interior angles of a tray that is of pentagon shape is 540°
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The question is incomplete. Completed question is given below;
Suppose is Jeanine is building a tray for a floral table centerpiece in the shape of a pentagon. The sum of the interior angles of the tray will be
tried solving it but can't find Q
Answer:
4.5 i think
Step-by-step explanation:
PLEASE HELP!!!! (geometry)
A busy international airport has 40920 take offs and landings in the month of March and each day has same number of take offs and landings. How many landing and take offs would be there in a single day?
Answer:
0.00075757575.
Step-by-step explanation:
I looked it up.
A sinking fund is established to discharge a debt of $80,000 in 5 years. If deposits are made at the end of each 6-month period and interest is paid at the rate of 2%, compounded semiannually, what is the amount of each deposit?
(Round your answer to the nearest cent.)
If interest is paid at the rate of 2%, compounded semiannually, the amount of each deposit is $7,306.27.
How to find the amount of each deposit?Payment amount =x
Future value =80000
Periodic interest: 2% = .02
Number of periods: 5×2 = 10
Hence,
80,000=x [ (1+0.02)^10 -1 ) ÷ 0.02]
80,000=x [ (1.02)^10 -1) ÷ 0.02]
80,000=x [ (1.21899 -1) ÷ 0.02]
80,000=x (0.21899 ÷ 0.02)
80,000= x(10.9495)
x =80,000 /10.9495
x = $7,306.27
Therefore payment amount is $7,306.27.
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