Which expression can be used to determine the perimeter, in units, of FGH
A.
B.
C.
or
D.
Answer:
D
Step-by-step explanation:
Find an ordered pair (x, y) that is a solution to the equation.
3x-y=6
Miklós is filling a questionnaire online. In the diagram, the grey colour indicates the proportion of questions he has already completed.
How many questions are left if he has answered 16 questions so far?
image of the questionnaire attached
Answer:
e=123444565666 i hope it helps :}}
Step-by-step explanation:
In ABCD, m/B= (8x +9)°, m/C = (5x + 5)°, and m/D = (2x + 1)º.
What is the value of x?
In the triangle BCD when m< B = (8x + 9)°, m< C = (5x + 5)°, and m< D = (2x + 1). the value of x is 11
How to find the value of xThe value of x is solved using the sum of angles in a triangle
Hence in the Δ BCD the sum is solved as below
(8x + 9)° + (5x + 5)° + (2x + 1) = 180
collecting like terms
8x + 5x + 2x = 180 - 1 - 5 - 9
15x = 165
x = 165 / 15
x = 11
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Gerald is conducting an experiment with 3 possible outcomes. Kasey is conducting an experiment with 20 possible
outcomes. Which statement best relates the possible outcomes to the number of trials needed to produce results
similar to their predicted outcomes?
Gerald will need to conduct more trials than Kasey because there are fewer possible outcomes in his experiment.
Gerald will need to conduct fewer trials than Kasey because there are fewer possible outcomes in his experiment.
Gerald will need to conduct more trials because he needs to make up for the difference in the number of possible
outcomes.
Gerald will need to conduct fewer trials because experimental and theoretical results in experiments with small
numbers of possible outcomes are the same.
Answer:
Gerald will need to conduct fewer trials because experimental and theoretical results in experiments with small
numbers of possible outcomes are the same.
Answer:
(D)
Step-by-step explanation:
Gerald will need to conduct fewer trials because experimental and theoretical results in experiments with small numbers of possible outcomes are the same.
Have a good day, and good luck on the test.
PLEASE HELP (20pts, attachment below) Find x and y.
Step-by-step explanation:
5x +2 = 182 -4x
5x+4x = 182-2
9x = 180
x = 180/9
x = 20
4y +2 = 5x +2
4y = 5x
4y = 5(20)
4y = 100
y = 100/4
y = 25
Modeling with Composite Functions
6. A store offers a 15% discount on all items and you also have a $10 coupon. Both discounts can be applied to your purchase.
a. Write a function rule, f(x) for using the coupon
b. Write a function rule, g(x) for using the 15% discount.
c. Write a function composition rule for using the $10 coupon first and then taking the 15% discount
d. Write a function composition rule for using the 15% discount first and then taking the $10 coupon.
e. Which method gives you the lowest purchase cost?
The function rules are (a) f(x) = x - 10, (b) g(x) = 0.85x, (c) g (f(x)) = 0.85x - 8.5 and (d) f (g(x)) = 0.85x - 10
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
Let x be the original price of the item.
(a) You have $10 coupon.
Price of the item after applying coupon = x - 10
f(x) = x - 10
(b) There is a 15% discount.
Discounted price of the item = x - (15% × x)
= x - (0.15x)
= 0.85x
g(x) = 0.85x
(c) We have f(x) = x - 10 and g(x) = 0.85x
Price of the item when applied $10 coupon first and then taking the 15% discount is,
g (f(x)) = g(x - 10) = 0.85(x - 10) = 0.85x - 8.5
(d) Price of the item when applied 15% discount first and then taking the $10 coupon is,
f (g(x)) = f(0.85x) = 0.85x - 10
(e) We have g (f(x)) = 0.85x - 8.5 and f (g(x)) = 0.85x - 10
The price will be lower for the composite function f (g(x)) = 0.85x - 10, since there is a $10 decrease in the 0.85x.
Hence the rules for the functions are f(x) = x - 10 and g(x) = 0.85x. The composite functions are g (f(x)) = 0.85x - 8.5 and f (g(x)) = 0.85x - 10.
The price will be lower when we first apply the discount and then the coupon.
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Support for character vector or string inputs will be removed in a future release. Instead, use syms to declare variables and replace inputs such as dsolve('Dy = -3*y') with syms y(t); dsolve(diff(y,t) == -3*y).
The support vector of the input dsolve('Dy = -3*y') is "dsolve(diff(y,t) == -3*y)".
A symbol is a mathematical object that represents a mathematical entity, such as a number, a variable, or a function. In mathematical software, symbols are used to represent variables, which can be used in mathematical expressions to perform computations.
In the past, character vectors or strings were used to represent symbols in certain mathematical software programs.
In the future release of this software, support for character vectors or strings will be removed. Instead, the program will require users to use the "syms" function to declare variables as symbols.
As an example of how this might be used in practice, consider the differential equation
=> "dy/dt = -3y".
In the past, this equation might have been entered into a mathematical software program using a character vector or string to represent the variable "y".
However, in the future release of this software, the user will need to use the "syms" function to declare "y" as a symbol. The equation would then be entered using the "diff" function, like this:
=> "dsolve(diff(y,t) == -3*y)".
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Let S be the universal set, where:
S= {1, 2, 3,..., 18, 19, 20}
Let sets A and B be subsets of S, where:
Answer:
Step-by-step explanation:
Therefore, the height of the tower is approximately 121.4 meters.
Oliver and Chen both write down a number. Oliver says, my number has 8 hundreds and Chen's number only has 3 hundreds my number must be bigger. Oliver is not correct. explain why
Oliver's number is bigger than that of Chen.
What are hundreds in a number?It is a number equal to 10 times 10.
Given is that Oliver and Chen both write down a number. Oliver says, my number has 8 hundreds and Chen's number only has 3 hundreds, my number must be bigger.
Oliver number can be written as follows -
8 x 10 x 10
Chens number can be written as follows -
3 x 10 x 10
It can be concluded that Oliver's number is bigger than that of Chen.
Therefore, Oliver's number is bigger than that of Chen.
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Does the ordered pair satisfy the equation (4,-9) y=-4x+7
Answer:
Yes
Step-by-step explanation:
u substitute the x and y for 4 and -9. When u do, the equation is true.
Mr. Markowski drives to his office one morning. After he
leaves his house, he drives at a constant speed until he
reaches his office. After work, he drives home at a constant
speed until he reaches a stop light. He waits at the stop
light and then continues at the same speed as before until
he gets home.
Which graph shows Mr. Markowski's distance from his
office?
The length of a rectangular field is represented by the expression 14x-3x^2+2y . The width of the field is represented by the expression 5x-7x^2+7y . How much greater is the length of the field than the width?
The length of the field is greater than the width by the expression \((14x - 3x^2 + 2y) - (5x - 7x^2 + 7y).\)
1. The length of the field is represented by the expression \(14x - 3x^2 + 2y.\)
2. The width of the field is represented by the expression \(5x - 7x^2 + 7y\).
3. To find the difference between the length and width, we subtract the width from the length: (\(14x - 3x^2 + 2y) - (5x - 7x^2 + 7y\)).
4. Simplifying the expression, we remove the parentheses: \(14x - 3x^2 + 2y - 5x + 7x^2 - 7y.\)
5. Combining like terms, we group the \(x^2\) terms together and the x terms together: \(-3x^2 + 7x^2 + 14x - 5x + 2y - 7y.\)
6. Simplifying further, we add the coefficients of like terms:\((7x^2 - 3x^2) + (14x - 5x) + (2y - 7y).\)
7. The simplified expression becomes: \(4x^2 + 9x - 5y.\)
8. Therefore, the length of the field is greater than the width by the expression \(4x^2 + 9x - 5y.\)
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What the the Quotient 7/12 divided by 2/5
Answer:35/24
Step-by-step explanation:
7/12 ➗ 2/5
Next step we change divide sign to multiplication,with the numerator and denominator of the right hand fraction inverted
7/12 x 5/2
(7x5)/(12x2)
35/24
The quotient of 7/12 divided by 2/5 is 35/24.
To divide fractions, you need to multiply the first fraction by the reciprocal (or the multiplicative inverse) of the second fraction.
The reciprocal of a fraction is obtained by swapping the numerator and the denominator.
So, to find the quotient of 7/12 divided by 2/5, you multiply 7/12 by the reciprocal of 2/5, which is 5/2.
Here are the steps:
Write down the first fraction: 7/12
Write down the reciprocal of the second fraction: 5/2
Multiply the first fraction by the reciprocal: (7/12) x (5/2)
Multiply the numerators: 7 x 5 = 35
Multiply the denominators: 12 x 2 = 24
Simplify the fraction, if possible: 35/24
Therefore, the quotient of 7/12 divided by 2/5 is 35/24.
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simplest form of 20/6 divided by 2
Answer:
20/6=10/3
Step-by-step explanation:
need thanks................
Answer:
\(simplest \: form \: of \: \frac{20}{6} \: is \: \frac{10}{3} \\ so \:dividing \: \frac{10}{3} \div 2 = \\ \frac{10}{3} \ \times \frac{1}{2} \\ which \: is \: \frac{5}{3} \\ \)
Step-by-step explanation:
hope it helps
In this triangle what is the value of x
Answer:
Step-by-step explanation:
error
Answer:
x ≈ 75.2
Step-by-step explanation:
using the tangent ratio in the right triangle
tan62° = \(\frac{opposite}{adjacent}\) = \(\frac{x}{40}\) ( multiply both sides by 40 )
40 × tan62° = x , then
x ≈ 75.2 ( to the nearest tenth )
Mikey johnson shipped out 34 2/7 pounds of electrical supplies . The supplies are placed in individual packets that weigh 2 1/7 pounds each . How many packets did he ship out ?
Mikey Johnson shipped out 34 2/7 pounds of electrical supplies. The supplies are placed in individual packets that weigh 2 1/7 pounds each. Therefore, Mikey shipped out 16 packets of electrical supplies.
To solve the problem, we can use the following steps.Step 1: Find the weight of each packet.
We are given that the weight of each packet is 2 1/7 pounds.
To convert this mixed number into an improper fraction, we can multiply the whole number by the denominator and add the numerator.
This gives us: 2 1/7 = (2 × 7 + 1) / 7= 15 / 7 pounds.
Therefore, the weight of each packet is 15/7 pounds.
Now, divide the total weight by the weight of each packet.
We are given that the total weight of the supplies shipped out is 34 2/7 pounds.
To convert this mixed number into an improper fraction, we can multiply the whole number by the denominator and add the numerator.
This gives us: 34 2/7 = (34 × 7 + 2) / 7= 240 / 7 pounds.
Therefore, the total weight of the supplies is 240/7 pounds.
To find the number of packets that Mikey shipped out, we can divide the total weight by the weight of each packet.
This gives us: 240/7 ÷ 15/7 = 240/7 × 7/15= 16.
Therefore, Mikey shipped out 16 packets of electrical supplies.
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There are 110 calories per 177.4 grams of Cereal X. Find how many calories are in 233.5 grams of this cereal,
There are calories in 233.5 grams of this cereal.
(Round to the nearest whole number as needed.)
Answer:
145
Step-by-step explanation:
110÷177.4=.62 cal per gram
.62×233.5=145 rounded
9. It is estimated that a certain model rocket will reach an altitude of 200 ft. A photographer is setting up a camera 50 ft away from the launch pad. At what angle should he set the tripod to get a picture at the maximum altitude?
The photographer should set the tripod at an angle of approximately 75.96 degrees to get a picture of the rocket at its maximum altitude.
We have,
We can use trigonometry to solve this problem.
C
/ \
/ \
/θ \
/ \
/ \
A-------------B
50 ft
In this diagram, A represents the launch pad, B represents the maximum altitude of the rocket, C represents the position of the photographer, and θ represents the angle at which the tripod should be set.
We want to find θ.
First, we can find the height of the triangle ABC using the Pythagorean theorem:
AB² = AC² + BC²
200² = AC² + 50²
AC² = 200² - 50²
AC = √(200² - 50²)
AC = 190.526 ft
Next, we can use the tangent function to find θ:
tan(θ) = opposite/adjacent = AB/BC = 200/50 = 4
Taking the arctangent of both sides, we get:
θ = \(tan^{-1}(4)\)
θ = 75.96 degrees
Therefore,
The photographer should set the tripod at an angle of approximately 75.96 degrees to get a picture of the rocket at its maximum altitude.
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4(-6)+y=10
can someone hellp
Answer:
y = 34
Step-by-step explanation:
PEMDAS =
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
Remember to follow PEMDAS. First, multiply -6 with 4:
-6 * 4 = -24
-24 + y = 10
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. Add 24 to both sides:
-24 (+24) + y = 10 (+24)
y = 10 + 24
y = 34
y = 34 is your answer.
~
Answer:
y = 34Step-by-step explanation:
\(4\left(-6\right)+y=10\\\\\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a\\-4\times\:6+y=10\\\\\mathrm{Multiply\:the\:numbers:}\:4\times\:6=24\\-24+y=10\\\\\mathrm{Add\:}24\mathrm{\:to\:both\:sides}\\-24+y+24=10+24\\\\Simplify \\y=34\)
please answer my questions, i need your help
Step-by-step explanation:
1. 3 ln(x) + 2 ln(y) 2. 7 − log2
(x
2 + 4)
3. 3 log5
(z) − 6 4. log(1.23) + 37
5. 1
2
ln(z) − ln(x) − ln(y) 6. log5
(x − 5) + log5
(x + 5)
7. 3 log√
2
(x) + 4 8. −2 + log 1
3
(x) + log 1
3
(y − 2) + log 1
3
(y
2 + 2y + 4)
9. 3 + 3 log(x) + 5 log(y) 10. 2 log3
(x) − 4 − 4 log3
(y)
11. 1
4
ln(x) + 1
4
ln(y) −
1
4 −
1
4
ln(z) 12. 12 − 12 log6
(x) − 4 log6
(y)
13. 5
3 + log(x) + 1
2
log(y) 14. −2 + 2
3
log 1
2
(x) − log 1
2
(y) −
1
2
log 1
2
(z)
15. 1
3
ln(x) − ln(10) −
1
2
ln(y) −
1
2
ln(z) 16. ln(x
4y
2
)
17. log2
Plz help me, I needs it
Answer:
the slope is 1/2 or .5
Step-by-step explanation:
9 3/5 % as a decimal, rounded to 3 decimal places, is:
Answer:
0.054
Step-by-step explanation:
9 3/5% as a decimal is 0.054 (already to 3 decimal places)
Answer from Gauthmath
9 are just, well..., 9
3/5 are 0.6
because 1/5 is 0.2
so it's 9.6%, not so complicated I guess
At the store, 10 ounces of candy cost $3.20. What is the price of 6 ounce of candy?
divide $3.20 to get the cost per ounce, and multiply it by 6 to get the price for 6 ounces.
6 ounces = $1.92
hope this helps!! :)
Solve for x. Enter the solutions from least to greatest.
2x^2 – 24x + 54 = 0
lesser x =
greater x =
Answer:
3
9
Step-by-step explanation:
(2x-6)(x-9)=0
lesser x = 3
greater x = 9
Find the true statement.
A) The fraction with the greater denominator is the greater fraction.
B) The fraction with the greater numerator is the greater fraction.
C) When two fractions have equal denominators, the fraction with the greater numerator is the greater fraction.
D) When two fractions have equal numerators, the fraction with the greater denominator is the greater fraction.
Answer:
C) When two fractions have equal denominators, the fraction with the greater numerator is the greater fraction.
Step-by-step explanation:
When comparing fractions, you do not use the denominator to compare. You use the numerator. Whichever fraction has the largest numerator, when the denominators are equal, is the greater fraction. When the fractions have unequal denominators, you find the least common denominator between them and then compare the numerators. Whichever one has the bigger numerator is the greater fraction.
Thus, the best answer is C.
hope this helps!
Answer:
The answer is C.
Step-by-step explanation:
A Christmas tree is supported by a wire that is 2 meters longer than the height of the tree. The wire is anchored at a point whose distance from the base of the tree is 23 meters shorter than the height of the tree. What is the height of the tree?
Answer:
The height of the tree is 35 meters.
Step-by-step explanation:
Let the height of the tree be x meters, then the length of the wire is
x+2 meters.
The distance from the tree to the anchor is x-23 meters.
So using the pythagoras theorem:
(x + 2)^2 = x^2 +(x -23) ^2
x^2 + 4x + 4 = x^2 + x^2 - 46x + 529
x^2 - 50x + 525 = 0
( x - 15)(x - 35) = 0
x = 15, 35
x cannot be 15 as this would make the distance 15-23 which is negative so x mustr be 35 meters,
Two angles in triangle PQR are congruent, ∠P and ∠Q; ∠R measures 34.15°. What is the measure of ∠P?
145.85°
57.45°
34.15°
72.925°
The required measure of angle ∠P is 72.925° which is the correct answer would be an option (D).
What is an Isosceles Triangle?An Isosceles Triangle is defined as a triangle with two sides of equal length is an isosceles triangle.
Two angles in a triangle ΔPQR are congruent, ∠P and ∠Q;
Here ∠R measures 34.15°.
It is an isosceles triangle, hence ∠Q = ∠P.
Let it be x
Now, we know that the sum of the angles of a triangle is 180 degrees.
So,
∠P+ ∠Q + ∠R = 180°
x + x + 34.15° = 180°
2x = 180° − 34.15°
2x = 145.85°
x = 145.85° / 2
x = 72.925°
Therefore, ∠Q = ∠P =72.925°
Hence, the required measure of angle ∠P is 72.925° which is the correct answer would be option (D).
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Nixon receives an annual salary of $55,770. He receives 26 equal paychecks during the year. How much does he receive in each paycheck?
Answer:
2145
Step-by-step explanation: 55,770/26=2145
Answer:
answer = 2145 per paycheck
Step-by-step explanation:
PLZ HELP WILL GIVE 50 POINTS - QUADRATIC APPLICATIONS
find how far away (ground distance) from the catapult will white bird be at its highest. (round to the nearest 2 decimal points)
h= -0.114x^2+2.29x+3.5
Answer:
The bird will be at a ground distance of 10.04 units away.
Step-by-step explanation:
Vertex of a quadratic function:
Suppose we have a quadratic function in the following format:
\(f(x) = ax^{2} + bx + c\)
It's vertex is the point \((x_{v}, y_{v})\)
In which
\(x_{v} = -\frac{b}{2a}\)
\(y_{v} = -\frac{\Delta}{4a}\)
Where
\(\Delta = b^2-4ac\)
If a<0, the vertex is a maximum point, that is, the maximum value happens at \(x_{v}\), and it's value is \(y_{v}\).
Equation for the height:
The height of the bird after x seconds is given by:
\(h(x) = -0.114x^2 + 2.29x + 3.5\)
Which is a quadratic equation with \(a = -0.114, b = 2.29, c = 3.5\).
When the bird is at its highest?
Quadratic equation with \(a < 0\), and thus, at the vertex. The ground distance is the x-value of the vertex. Thus
\(x_{v} = -\frac{b}{2a} = -\frac{2.29}{2(-0.114)} = 10.04\)
The bird will be at a ground distance of 10.04 units away.