The simplified sum of the second and fourth integers is 2x + 4.
What is the whole number?
Whole numbers are numbers without fractions and it is a collection of positive integers and zeros. It is represented by the symbol “W” and the set of numbers is {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,……………}.
Integers are whole numbers, and consecutive integers are whole numbers that are next to each other with a space of "1" between them,
i.e. 1, 2, 3, 4... or -2, 1, 0, 1...
Thus, if the first integer is "x" and the next is "x+1" then "x+2" and "x+3."
The sum = x+x+1+x+2+x+3 = 4x+6.
The sum of the second and fourth integers is:
= x+1 + x+3
= 2x + 4
Hence, the simplified sum of the second and fourth integers is 2x + 4.
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1. Solve by graphing:
y = 3x + 4
y = - 2x - 1
Solution:
The unitary technique yields (x, y) = (-1, 1) as the answer to the equations y = 3x + 4 and y = - 2x - 1.
what is equation ?An equation is a mathematical formula that connects two assertions using the equal sign (=) to denote equivalence. For instance, an equal sign separates the components 3x + 5 and 14 in the equation 3x + 5 = 14. A mathematical formula is used to express the connection between two phrases on either side of a letter. for example, 2x - 4 = 2.
by solving
y = 3x + 4
y = - 2x - 1
= 3x + 4 = -2x - 1
= 3x + 2x = -5
x= -1
putting value of x in 2nd eq.
y = 2 - 1= 1
y = 1
so The unitary technique yields (x, y) = (-1, 1) as the answer to the equations y = 3x + 4 and y = - 2x - 1.
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Simplify 3/4+3/5-4/5
The presented problem has a simplified value of 11/20.
What is the simplification?To simplify simply means to make anything easier. In mathematics, simplifying an equation, fraction, or problem means taking it and making it simpler. Calculations and problem-solving techniques simplify the issue.
Given 3/4+3/5-4/5
3/4 + 3/5 -4/5
First, solve the problem with the same denominator taking 1/5 common
3/4 +1/5(3-4)
3/4 + 1/5(-1)
3/4 - 1/5
Taking the LCM of the denominator
=> [tex]\frac{15 - 4}{20}[/tex]
=> 11/20
Therefore, the simplified value of the given problem is 11/20.
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Jamie uses 6 packs of beads to decorate 4 belts. Each pack has 8 beads. If Jamie uses the same
number of beads to decorate each belt, how many beads are on each belt?
A 12
B 14
C 18
D 48
What is the value of x in | - 16| = x?
16 and - 16
16
0
-16
The value of x is 16
what is the modulus function?A modulus function gives the magnitude of a number irrespective of its sign. It is also called the absolute value function. In mathematics, the modulus of a real number x is given by the modulus function, denoted by |x|. It gives the non-negative value of x. The modulus or absolute value of a number is also considered as the distance of the number from the origin or zero.
Given here, the equation x=|-16| but we know that modulus function only measures the magnitude therefore x cannot be negative thus x=16
Hence, The value of x is 16
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POINTS!!!
The statements a, c and d are true.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
From the figure we understood that h is the height and r is the radius.
The volume of the cone is 1/3πr²h
V= 1/3πr²h
When volume is 47 then we need to find the height
47= 1/3π(3)²h
47=3×3.14h
47=9.42h
h=4.92=5
So if the volume is 47cm³ then the height of the cone is 5cm approximately is true
Now let us find the statement 2 is true or not
V= 1/3π(3)²(10)
V=3×3.14×10
V=94.2 cm³
So the second statement is not true
The equation V= 1/3π(3)²h is the volume of the cone and h=3V/π(3)² an be used to find the height of the cone is true.
Hence, the statements a, c and d are true.
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The lateral surface area of cone A is equal to the lateral surface area of cylinder b
HELP HELP HELP QUICK
The composite functions when solved accordingly gives us;
(f ° g)(x) = 75x³ + 140x²+ 87x + 18
(f ÷ g)(x) = 3x + 2
How to solve composite functions?Composite functions are formed when the output of one function is used as the input of another.
Now, we are given the functions as;
f(x) = 15x² + 19x + 6
g(x) = 5x + 3
Let us factorize f(x) to get;
f(x) = 15x² + 19x + 6 = (5x + 3)(3x + 2)
(f ° g)(x) simply means; f[g(x)]
Thus, we have;
f.g(x) = (15x² + 19x + 6)(5x + 3)
f.g(x) = 75x³ + 95x² + 30x + 45x² + 57x + 18
f.g(x) = 75x³ + 95x² + 45x²+ 30x + 57x + 18
f.g(x) = 75x³ + 140x²+ 87x + 18
(f ÷ g)(x) = ((5x + 3)(3x + 2))/(5x + 3)
(f ÷ g)(x) = 3x + 2
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If the annual interest from the two investments totaled $780, how much did she invest in each account?
Answer:
$390
Step-by-step explanation:
780/2 = 390
Please help I’ll mark your answer brainly
Answer:
Cynthia is the faster runner.
Bianca is 3.4 miles behind when Cynthia crosses the finish line.
Step-by-step explanation:
slope = Δy/Δx = miles/min = speed of the runner
C's speed = 1/7 = .14 mi/min (slope of the line shown in the graph)
B's speed = (7-5)/(57.4-41) = 0.122 mi/min (from the data in the table)
C runs faster. (she has the greater slope)
Find how much time it takes C to finish the race:
t = distance/speed = (26.2 mi) / (0.14 mi/min) = 187.14 min
Find how far B has gone in 187.14 min:
d = speed x time = (0.122 mi/min)(187.14 min) = 22.8 mi
How far behind is B:
26.2 mi - 22.8 mi = 3.4 miles (B is 3.4 miles behind when C finishes the race)
help please!!!!!!!!!!
Answer:
270 m^2
Step-by-step explanation:
formula for area of a triangle is base times height divided by 2
(30)x(18)÷2
30x9
270 m^2
hopes this helps
URGENT!! ILL GIVE
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The length of 'Added metal bar' will be;
⇒ Approximately 5.4 m
What is Pythagoras theorem?The Pythagoras theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.
Given that;
The sides of box are;
⇒ a = 4 meters
⇒ b = 2 meters
⇒ c = 3 meters
Now,
Let the length of Added metal bar = d
By the formula of 3D Pythagoras theorem, we get;
⇒ d² = a² + b² + c²
⇒ d² = 4² + 2² + 3²
⇒ d² = 16 + 4 + 9
⇒ d² = 29
⇒ d = √29
⇒ d = 5.38
⇒ d = 5.4 meters
Thus, The length of ''Added metal bar'' is ''Approximately 5.4 m''.
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tan y +cot y =sec y -csc y
The given trigonometrical equation is solved and proved below.
What are trigonometric functions?In mathematics, the trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.
Given is a trigonometrical expression as -
tan(y) + cot (y)
The given expression is -
tan (y) + cot (y)
tan (y) + cot (y) = {sin(y) / cos(y) + cos(y) / sin(y)}
tan (y) + cot (y) = {sin²(y) + cos²(y)} / {sin(y) cos(y)}
tan (y) + cot (y) = 1 / {sin(y) cos(y)}
tan (y) + cot (y) = {1/sin(y) . 1/cos(y)}
tan (y) + cot (y) = cosec(y) sec(y)
L.H.S = R.H.S
Therefore, the given trigonometrical equation is solved and proved above.
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find the inverse of f(x)=-4/3x+2/3
Using the given function in variable 'x', substitute x=y and y =x to find the inverse, The answer is y=-3x/4 +1/2.
What do you mean by function?In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output. The most common symbol for a function is an arrow with the letter "f" written above it (f: X → Y), where "X" is the set of inputs and "Y" is the set of outputs. A function assigns a unique output to each input, and the inputs and outputs can be any mathematical objects, such as numbers, vectors, or polynomials.
How to find inverse of function?To find the inverse of a function, you first need to make sure that the function is invertible, which means that it has a unique inverse. A function is invertible if and only if it is a bijection, that is, it is both a function (meaning that it assigns a unique output to each input) and a surjection (meaning that every element of the output set is the image of at least one element of the input set) and an injection (meaning that no two different inputs have the same output). Once you have verified that the function is invertible, you can find its inverse by "reversing" the input and output.
f(x) = -4/3x+2/3
replacing input and output,
x = -4/3y + 2/3
3x-2 = -4y
y = -3x/4 + 1/2
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Sans says that the temperature is negative three degrees below zero c. What is wrong with sana statement?
One thing that is wrong with Sana's statement is that it is repetitive as negative three degrees Celsius is already below zero.
What is a negative temperature ?When temperature is measured in degrees Celsius then it means that there are temperatures above 0 degrees Celsius and those that are below it. Those temperatures above 0 degrees Celsius are positive temperatures and those below zero degrees Celsius are negative.
These negative temperatures are used for places that are very cold and the colder a place is, the lower the temperature will be below zero. This therefore means that saying a temperature is negative and saying it is below zero is the same thing.
This means that Sana was wrong to say, " temperature is negative three degrees below zero " as they could have either said that the temperature was 3 degrees below zero or negative 3 degrees Celsius.
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POINTS!!!
Answer: C
Step-by-step explanation:
area = pi x r squaredso pi x 8 = 64pi64pi x 3= 192pi192pi=603.18cmthat is close to answer c- 8+ -7=
Pa help po
Integers po yan
Answer:
-8 + (-7) = -8 - 7 = -15
The sum of -8 and -7 is -15.
I hope this helps! Let me know if you have any other questions.
Step-by-step explanation:
5967 divided by 9
i will give brainly
Answer:
663
Step-by-step explanation:
5967/9=663
Answer:
663
Step-by-step explanation:
663
9 l 5967
-54
56
-54
27
-27
0
hopes this helps
The average height of the International Space Station is 400km above the Earth. An astronaut on board the International Space Station sights along a tangent line to Earth, viewing Houston Space Center. If the diameter of the Earth is approximately 12,800 km, how far is the astronaut from the Space Center.
Using Pythagoras theorem to solve the right angle triangle formed between the astronaut and the earth, his distance 6412.5km
What is Pythagoras TheoremPythagorean Theorem, states the square of the hypotenuse in a right angle triangle is equal to the sum of the squares of the other two sides. In the equation x² = y² + z², where x is the hypotenuse and y and z are the other two sides.
To find the distance of the astronaut from the space center, the height of the space center and his current location forms a right angle triangle.
We can find the distance as;
x² = y² + z²
z = radius of earth = 12800 / 2 = 6400km
x² = 6400² + 400²
x² = 41120000
x = √41120000
x = 6412.5km
The astronaut location from the earth is 6412.5km
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There are 20 students in Miss cloud algebra class on the first test six students scored 90% 10 students scored 80% and four students scored 70% what is the overall average on the test
The average score of all the students in both classes is 84.
How to calculate the average?step1
The class with 20 students had an average score of 90 on a test. The total score will be:
= 20× 90=1800
A class with 10 students had an average score of 80 on the same test. The total score will be:
=10× 80
= 800
A class with 4 students had an average score of 70 on the same test. The total score will be:
=4×70
=280
step2
Total scores = 1800 + 800+ 280=2880
Number of students = 20 + 10+4=34
The average score will be:
= Total score / Total students
= 2880/ 34=84
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The average score of all the students in both classes is 84.
How to calculate the average?step1
The class with 20 students had an average score of 90 on a b. The total score will be:
= 20× 90=1800
A class with 10 students had an average score of 80 on the same test. The total score will be:
=10× 80
= 800
A class with 4 students had an average score of 70 on the same test. The total score will be:
=4×70
=280
step2
Total scores = 1800 + 800+ 280=2880
Number of students = 20 + 10+4=34
The average score will be:
= Total score / Total students
= 2880/ 34=84
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PLEASE HELP!!! Given the <1 is a complement of <2 and m<2 =47° , find m<1
Answer:
43
133
Step-by-step explanation:
Complementary means that the two angles added together equal 90
90 - 47 = 43
Supplement means that the two angels added together equal 180
180 -47 = 133
need help asap! im very confused i dont get the question. Pl.z help!!!
Answer:
Below
Step-by-step explanation:
The bottom will be 5 cubes (= 1 2/3 in) X 6 cubes ( =2inches )
= 5 x 6 = 30 cube layer
there will be 9 layers high ( 1/3 inch x 9 = 3 inches)
30 cubes/layer * 9 layers = 270 cubes
HELPPPP please!!!!!! im very confused i dont get the question. ( ILL GIVE BRAINILEST IF CORRECT)
The volume of the rectangular prism is 5 inches cube.
How to find the volume of a rectangular prism?A rectangular prism is a three-dimensional shape or figure. Therefore, the volume of a rectangular prism can be represented as follows:
volume of a rectangular prism = lwh
where
l = lengthw = widthh = heightTherefore,
l = 2 1 / 2 inches = 5 /2 inches
w = 1 inches
h = 2 inches
Hence,
volume of the rectangular prism = 5 / 2 × 1 × 2
volume of the rectangular prism = 10 / 2
volume of the rectangular prism = 5 inches cube
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Answer:It is 30 cubic inches.
Step-by-step explanation:
Cai is trying to pick out an outfit for the first day of school. He can choose from 2 pairs of pants, 3 t-shirts, 7 sweaters or hoodies, and 4 pair of shoes. How many different outfits does cai have to choose from?
There are 168 different outfits does Cai have to choose from.
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
Given that;
Cai is trying to pick out an outfit for the first day of school.
And, He can choose from 2 pairs of pants, 3 t-shirts, 7 sweaters or hoodies, and 4 pair of shoes.
Now,
Since, He can choose from 2 pairs of pants, 3 t-shirts, 7 sweaters or hoodies, and 4 pair of shoes.
Hence, Number of possible outfits = 2 × 3 × 7 × 4
= 168
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Simplify x+z/x+y+z ≥ .35
If the simplification is in the form: A*x + B'y + C'z ≥ 0, where A, B, and C are numbers. What is the
value of A?
Note: If the number that you have is positive, put the answer in the format of 0.xxx. If the number
that you have is negative, then put the answer in the format of -0.xxx
The simplified inequality for this problem is given as follows:
0.65x - 0.35y + 0.65z ≥ 0.
Hence the value of A is of:
0.65.
How to simplify the inequality?The inequality for this problem is defined as follows:
(x + z)/(x + y + z) ≥ 0.35.
Cross multiplication would work in this case, as the right term is a constant, however if it was a rational expression it would not work.
Thus the first step is leaving the right side as 0, as follows:
(x + z)/(x + y + z) - 0.35 ≥ 0.
Then the least common factor is applied to the left side, as follows:
[x + z - 0.35(x + y + z)]/(x + y + z) ≥ 0.
Applying the distributive property and combining the like terms, we have that:
(0.65x - 0.35y + 0.65z)/(x + y + z) ≥ 0.
Now cross multiplication can be applied, hence the simplified inequality is:
0.65x - 0.35y + 0.65z ≥ 0.
The coefficient A has a value of 0.65, which is the term that multiplies x.
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Write each sum as the product of two factors 2r+r+s+2s
2r+r+s+2s =2×r + r×1 + s×1 + 2×s
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
Here, given that,
2r+r+s+2s
=2×r + r×1 + s×1 + 2×s
Hence,
each sum as the product of two factors 2r+r+s+2s =2×r + r×1 + s×1 + 2×s
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For what value of x is JKLM a parallelogram?
There is a quadrilateral JKLM in which the measure of angle JKL is (4x+13) degrees, the measure of angle KLM is (4x-1) degrees, the measure of angle LMJ is (5x-8) degrees, and the measure of angle MJK is (3x+20) degrees.
The value of x for which JKLM is a parallelogram is 21
How to determine the valueIt is important to note that the sum of angles in a parallelogram is 360 degrees.
From the information given, we have that;
Angle JKL is (4x+13) degreesangle KLM is (4x-1) degrees angle LMJ is (5x-8) degrees angle MJK is (3x+20) degrees.This is represented as;
JKL + KLM + LMJ + MJK = 360
substitute the values
4x + 13 + 4x - 1 + 5x - 8 + 3x + 20 = 360
collect like terms
4x + 4x + 5x + 3x = 360 - 24
Add or subtract like terms
16x = 336
Divide both sides by the coefficient of x
x = 336/16
x = 21
Hence, the value is 21
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Simplify $ \root 3 \of {x \root 3 \of {x \root 3 \of {x \sqrt{x}}}}. $ Express your answer in simplest radical form in terms of $x$.
The simplest radical form in terms of x is √x.
The radical in the question can be represented as
∛(x∛(x∛(x√(2&x)) ) )
The formula for rational exponents is:
√(n&a*b)=√(n&a)* √(n&b)
Hence,
∛(x∛(x∛(x√(2&x)) ) )
∛x*∛(∛(x∛(x√(2&x)) ) )
∛x*√(9&x∛(x√(2&x)) )
∛x*√(9&x)*√(9&∛(x√(2&x)) )
∛x*√(9&x)*√(27&x√(2&x))
∛x*√(9&x)* √(27&x)√(27&√(2&x))
∛x*√(9&x)* √(27&x)*√(54&x)
As, √(n&x)=x^(1/n)
Hence
x^(1/3)*x^(1/9)*x^(1/27)*x^(1/54)
According to multiplying exponent rules with the same base, x^a*x^b=x^(a+b)
Hence,
x^(1/3+1/9+1/27+1/54)
x^(27/54)
x^(1/2)
√x
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A model rocket is launched. The height, in feet, of the rocket h(t) at t (t≥ 0) seconds after
determined by the equation h(t):
-1/2t^2+ 15t. The maximum height of the rocket is 112.5 feet. For how many seconds will the rocket be at a height of more than 100 feet?
Answer: 36.902 Seconds
Step-by-step explanation:
(1) --> To find the time that the rocket is at a height of more than 100 feet, you need to find the time when the height of the rocket is equal to 100 feet.
(2) --> do this by setting your equation equal to 100
[tex](-\frac{1}{2} )t^2 + 15t = 100[/tex]
[tex](-\frac{1}{2}) t^2 + 15t - 100 = 0[/tex]
(3) --> From here, use the quadratic formula to solve for t
Quadratic formula:
[tex]t = - \frac{-b+-\sqrt{b^2 - 4ac} }{2a}[/tex] (solving the b+ first)
[tex]t = \frac{(-15 + \sqrt{225 - 4(-\frac{1}{2}) (-100)}}{-1}[/tex]
[tex]= \frac{(-15 + \sqrt{475})}{-1}[/tex]
[tex]= \frac{(-15 + 21.902)}{-1}[/tex]
[tex]= \frac{6.902}{-1}[/tex]
[tex]= -6.902[/tex]
(solving b-)
[tex]t = \frac{-15 - \sqrt{475}}{-1}[/tex]
[tex]= \frac{-15-21.902}{-1}[/tex]
[tex]= \frac{-36.902}{-1}[/tex]
[tex]= 36.902[/tex]
HENCE: The first solution, -6.902, is not a valid time because it is negative. The second solution, 36.902, is the time when the rocket is at a height of 100 feet. Since the rocket is at a height of more than 100 feet for the entire time after it reaches a height of 100 feet, the rocket will be at a height of more than 100 feet for 36.902 seconds.
hey can anyone help me with this question???
what us 247 x 45,729.
(i will mark brainliest for best answer:)
Answer: 11,295,063
Step-by-step explanation:
At the fast food restaurant, an order of fries costs $0.92 and a drink costs
$0.96. How much would it cost to get 2 orders of fries and 4 drinks? How
much would it cost to get f orders of fries and d drinks?
Total cost, 2 orders of fries and 4 drinks:
Total cost, f orders of fries and d drinks:
The cost of 2 orders of fries and 4 drinks is $5.68 and the cost to get f orders of fries and d drinks is $0.92f+0.96d
What is unit rate?When something is calculated on its one unit, then it is called its unit rate. for example: If 5 mangoes is of $50 then cost of 1 mango is 50/5 = 10 here $10 is unit rate for mangoes.
Given that, At the fast food restaurant, an order of fries costs $0.92 and a drink costs $0.96.
We have here unit rates of fries and drinks,
So, when 1 pack of fries costs $0.92, then cost of 2 pack of fries = 2×0.92 = $1.84
Similarly, when 1 drink costs $0.96, then the cost of 4 drinks = 4×0.96 = $3.84
Total cost = $5.68
Similarly, the cost to get f orders of fries = $0.92f
And, the cost of d drinks = $0.96d
Total cost = $0.92f+0.96d
Hence, we get the answer as = a) $5.68 and b) $0.92f+0.96d
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