3/5w - 1/5w +10 = 4
First, simplify 3/5w - 1/5w
2/5w + 10 = 4
Then, subtract each side by 10
2/5w = -6
Multiply each side by the denominator
2w = -30
Then divide each side by 2
w = -15
Question
Use the follow step as a guide to solve the following equation. Write out your work for all steps to solve the equation.
2x - 5 = 3(4x + 5)
Answer:
x = -2
Step-by-step explanation:
2x -5 = 3(4x + 5) step 1
2x - 5 = 12x + 15 step 2
2x - 12x -5 = 15 Step 3
2x - 12x = 15 +5 simplify
-10x/-10 = 20/-10 step 4
x = -2
CCSS ARGUMENTS Write a coordinate proof for each statement.The segments joining the base vertices to the midpoints of the legs of an isosceles triangle are congruent.
The segments joining the base vertices to the midpoints of the legs of an isosceles triangle will split into two equal triangles so they will be congruent.
What is congruence?If two figures are exactly the same in sense of their length side all things then they will be congruent.
If it is possible to superimpose one geometric figure on the other so that their entire surface coincides, that geometric figure is said to be congruent or to be in the relation of congruence.
ΔABC is isosceles where AB = AC
Now,
Line segment AD is intersecting at the midpoint of BC.
Now,
In ΔABD and ΔACD
AB = AC,AD = AD and BD = DC
Since all sides are equal so by SSS congruent property both will be congruent.
Hence "The segments joining the base vertices to the midpoints of the legs of an isosceles triangle will split into two equal triangles so they will be congruent".
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Which angles are complementary to each other?
Answer:
3 and 4
Step-by-step explanation:
Since complementary angles add up to 90,
and 1 is a right angle while 3 and 4 are vertical angles
WILL GIVE BRAINLIEST + THANKS !
‘question’ 1 options: yes / no
‘question’ 2 options:
p= 5,184a
or
a = 5,184p
or
p= 0.0001929a
Yes, there is a relationship between the screen size and the number of pixels.
The equation representing the relationship will be a = 5,184p.
How to illustrate the information?It should be noted that the information is to simply know if there is a relationship between the screen size and the number of pixels.
The equation representing the relationship will be:
= Number of pixels / Screen size
= 31.104 / 6
= 5.184
Therefore, the equation representing the relationship will be a = 5,184p.
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The circular ride described at the beginning of the lesson has a diameter of 44 feet. What are the radius and circumference of the ride? Round to the nearest hundredth, if necessary.
The circumference is the perimeter of a circle or ellipse in geometry.
The circumference of the ride is about 138.23 feet.
What is meant by the circumference of a circle?The circumference is the perimeter of a circle or ellipse in geometry. That is, the circumference would be the circle's arc length if it were opened up and straightened out to a line segment. In general, the perimeter is the length of the curve around any closed figure.
The radius is half the diameter.
So, the radius of the circular ride is 22 feet.
Circumference of a circle = [tex]\pi[/tex] d
Where the value of d = 44, then
substitute the value of d in the above equation
Circumference of a circle = [tex]\pi[/tex] d
Circumference of a circle = [tex]\pi[/tex]44
Circumference of a circle = 138.33
Therefore, the circumference of the ride is about 138.23 feet.
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If K is the midpoint of JL, JK=8x + 11 and
KL=14x-
- 1, find JI
The measure of JL from the given parameters is 54
Midpoint of a lineThe midpoint of a line is the line that divides the line into two equal parts. If K is the midpoint of JL, then the measure of KK is equivalent to the measure of JK. Mathematically;
JK = KL
JK + KL = JL
Given the following parameters
JK=8x + 11 and
KL=14x- 1
Equate
8x+11 = 14x-1
-6x = -12
x = 2
Determine JL
JL = 2(8x+11)
JL = 2(16+11)
JL = 54
Hence the measure of JL from the given parameters is 54
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Determine whether each list is a sequence or a series and finite or infinite. 1,0.5,0.25,0.125,0.0625
From the list of numbers presented ( 1,0.5,0.25,0.125,0.0625) we can determine that this is a finite sequence.
What are sequences?A sequence is an order of elements that are governed by a pattern, that is, it has variations between each element that remain constant and allow us to determine values before or after the known elements.
A sequence maintains an order, and this numerical order can be finite or infinite, in the given case we have the following list:
1, 0.5, 0.25, 0.125, 0.0625
1 ÷ 2 = 0.50.5 ÷ 2 = 0.250.25 ÷ 2 = 0.1250.125 ÷ 2 = 0.06251/2ⁿ
We can clearly notice that we have a limit number and it is 0.0625, as we know the beginning of the sequence and the exact end we can know that we are in the presence of a finite sequence.
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Find the slope of the line.
b. the line containing (8,-3) and
(-6,-2)
The slope of the line containing (8,-3) and (-6,-2) is (1/14).
The slope of a straight line can be written as follows,
m = [tex](y_{2} - y_{1} )/(x_{2} - x_{1} )[/tex] equation1
The line is containing the points (-3,3) and (4,3). So, we can write
[tex]y_{2}[/tex] = -2 , [tex]y_{1}[/tex] = -3 , [tex]x_{2}[/tex] = -6 , and [tex]x_{1}[/tex] = 8 .
On substituting the values of variables in equation1, we will get
m = ( (-2)-(-3) ) / ( (-6)-(8) ) = (1/14).
As the slope of a line is (1/14), so we can conclude that the given line is a straight line.
Here:
m = the slope of the line
( [tex]x_{1}[/tex] , [tex]y_{1}[/tex] ) are the first coordinates.
( [tex]x_{2}[/tex] , [tex]y_{2}[/tex] )are the second coordinates.
The slope of the line containing (8,-3) and (-6,-2) is (1/14).
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A radio mast is supported by two
cables as shown. Find the distance
between the two points A and B.
30 m
60°
B
50°
A
According to the given statement,
The distance between the two points of Traingle A and B is 7.85 m
What are the Angles of a Triangle?The area created between two of a triangle's side lengths is known as the angle. Both internal and external angles are present in a triangle. In a triangle, there are three interior angles. When the sides of a triangle are stretched to infinity, exterior angles are created.
Between a triangle's shorter side and its extended side, external angles are created. There is an inside angle next to each outer angle. Angles that share a vertex and side are said to be adjacent.
According to the given value;
Angle B = 60° , Angle A = 50°
In ∆ BCD
tan60° = 30/BC
√3 = 30/BC
BC = 30/√3
BC = 10√3
In ∆ ACD
tan50° = 30/AC
tan50° = 30/(BC+AB)
BC + AB = 30/tan50°
10/√3 + AB = 30/tan50°
AB = 30/tan50° - 10√3
AB = 25.173 - 10√3
AB = 7.85 m
Hence, distance between the two points A and B is 7.85 m.
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In the past year, Dantae watched 18 movies that he thought were very good. He watched 45 movies over the whole year. Of the movie sea watch, what percentage did he think was very good?
Answer:
40%
Step-by-step explanation:
To start off, we are going to place the number of movies he thought were very good, over the movies he watched over the entire year into a fraction (or a certain number over the total amount)!
18/45 or [tex]\frac{18}{45}[/tex]
Next, we are going to place this into our calculator and will get a decimal value.
18/45 → 0.40
Last, we are going to change this number into a percentage, by multiplying our decimal by 100.
0.40 → 40%
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can anyone help me on this question the image is below and the chocies are
A.(0,4)
B.(0,16)
C.(2,12)
D.(4,0)
E.(12,2)
F.(16,0)
Help immediately!! Will give brainliest
How would you find the area of this parallelogram? Describe your strategy.
The horizontal sides that are each 7 units long with angled sides that
rise 6 vertical units over 2 horizontal units.
The area of the parallelogram = 7 × 6 = 42 units².
What is the Area of a Parallelogram?The area of a parallelogram = base × height.
Given the following:
The length base of the given parallelogram = 7 units
The height of the parallelogram, is the rise of the side = 6 units.
Using the area formula for a parallelogram, we have:
The area of the parallelogram = 7 × 6
The area of the parallelogram = 42 units²
Therefore, the area of the parallelogram = 7 × 6 = 42 units².
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Solve each system.
2m = -4n - 4 , 3m + 5n = -3
After solving each system, 2m = -4n - 4, 3m + 5n = -3, the values of m and n are calculated to be 4 and -3 respectively.
The two given equations, 2m = -4n - 4, and 3m + 5n = -3 are considered to be linear equations since the highest power of the variables in these equations is one.
By rearranging the second equation, the value of m is calculated to be,
3m + 5n = -3
3m = -3 - 5n
m = -3 - 5n / 3
Putting the calculated value of m in the first equation,
2m = -4n - 4
2(-3 - 5n / 3) = -4n - 4
-6 - 10n / 3 = -4n - 4
-6 - 10n = 3(-4n - 4)
-6 - 10n = -12n - 12
-10n + 12n = -12 + 6
2n = -6
n = -6/2
n = -3
To solve for m, put n = -3 in the first equation as follows,
2m = -4n - 4
2m = -4(-3) - 4
2m = 12 - 4
m = 8 / 2
m = 4
Thus the value of m and n in these systems are calculated to be 4 and -3 respectively.
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Elena bikes 20 minutes each day for exercise.
Write an equation to describe the relationship between her distance in miles, D, and her biking speed, in miles per hour, when she bikes:
at a constant speed of M miles per hour for the first 5 minutes, then at N miles per hour for the last 15 minutes
D = M/12 + N/4 represents the relationship between Elena's distance in miles, D, and her biking speed.
Speed = distance/ time
Here, we are given that Elena bikes 20 minutes each day for exercise. She bikes at a constant speed of M miles per hour for the first 5 minutes, then at N miles per hour for the last 15 minutes.
Therefore, distance covered by her in the first 5 minutes = speed x time
time = 5 minutes = 5/60 hours
= 1/12 hours
Thus, distance = M(1/12)
= M/12
Now, similarly, distance covered by her in the last 15 minutes = N(15/60)
=N/4
Thus, the total distance in miles, D, covered by her in the last 15 minutes = N(15/60)
= N/4
Thus, the total distance in miles, D, covered by her is D = M/12 + N/4
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Algebra solve the equation show work
The solution to this equation is equal to 6.
How to solve an algebraic equation
Equations are expressions which are formed by constants, operators and variables. In this question we find a linear equation in implicit form, in which the variable t has to be solved:
- 9 · (t - 2) = 4 · (t - 15) Given
- 9 · t + 18 = 4 · t - 60 Distributive property / (- a) · b = - a · b / (- a) · (- b) = a · b
78 = 13 · t Compatibility with addition / Existence of additive inverse / Modulative and distributive properties
13 · t = 78 Symmetric property
t = 6 Compatibility with multiplication / Existence of multiplicative inverse / Associative and modulative properties / Result
The solution to this equation is equal to 6.
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Answer:
[tex]t = 6[/tex]
Step-by-step explanation:
[tex] - 9(t - 2) = 4(t - 15)[/tex]
[tex] - 9t + 18 = 4t - 60[/tex]
[tex] - 9t - 4t = - 60 - 18[/tex]
[tex] \frac{ - 13t}{13} = \frac{ - 78}{ - 13} [/tex]
Cross out -13t/13
[tex]t = 6 \: final \: answer[/tex]
For a fundraiser, a school club is selling raffle tickets for $2 each and healthy snacks for $1.50 each. What is the cost of:
Answer:
g) 10 tickets and 8 snacks = 32
h) 7 tickets and 5 snacks = 21.5
i) x tickets and y snacks = 53.5
Step-by-step explanation:
Each ticket cost $2 and the snacks, cost $1.50 so we multiply them by the number of tickets and snacks.
g) 10 tickets and 8 snacks = 32
Explanation: 10x2=20 , 8x1.50 = 32
h) 7 tickets and 5 snacks = 21.5
Explanation:7x2=14 , 5x1.50 = 21.5
i) x tickets and y snacks = 53.5
Explanation: x=17 and y=13
You add the number of tickets for (Question g,h - tickets, and snacks so
the total cost is $53.5
But the question says you do not use the unit $ so don´t use it.
Sorry If I got it wrong
Answer: G. $20 for tickets and $12 for snacks
H.$14 for tickets and $7.50 for snacks
I. Probably $2 for ticket and $1.50 for snack
Step-by-step explanation: G is $20 and $12 because you first have to multiply 10 tickets by $2 to get the cost of 10 tickets and then multiply $1.50 by 8 snacks to get the cost of 8 snacks.
H is $14 and $7.50 because you also have to multiply 7 tickets by $2 to get the cost of 7 tickets and multiply $1.50 by 5 snacks to get the cost of 5 snacks.
I is probably $2 and $1.50 because the variables x and y are unknown so you would have to put how much each raffle tickets and snacks cost for x and y. Hope this makes sense!
Evaluate each series to the given term. 12.5+15+17.5+20+22.5+ . . . ; 7 th term
7th term of the series = 27.5
Here the series is in arithmetic sequence
Now we have to find the common difference between the series,
common difference (d) = 15- 12.5 = 17.5 - 15 = 2.5
To find the nth term of an arithmetic series we have a formula,
[tex]t_{n}[/tex] = a + (n-1) d
So by this we can find the 7th term of the series
[tex]t_{7}[/tex] = 12.5 + (7-1) 2.5
= 12.5 + 6 × 2.5
= 12.5 + 15
= 27.5
So the 7th term of the series is 27.5
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Hank is working in a silver mine 10 feet below the surface. He descends until he reaches a point 57 feet below the surface. How many feet does Hank descend?
Answer:
he descends only 57 feet ,as the mine is 10 feet below the surface befor descending
Answer:
he descends only 57 feet ,as the mine is 10 feet below the surface befor descendingAyuda por favor, no recuerdo mucho sobre las fracciones
Answer:
1 25/ 26
2 3/4
3 35/24
6 9/2
8 2/5
Step-by-step explanation:
HELP ASP SHOW UR WORK WILL GET BRAINILEST AND 10 points
WHAT EXPRESSION CORRECTLY ILLUSTRATES THE GREATEST COMON FACTOR BEING FACTORED 72 + 40
It should be noted that the expression for 72 + 40 will be 8(9 + 5).
How to find the factor?The factors of 72 are:
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
The factors of 40 include:
1, 2, 4, 5, 8, 10, 20 and 40
Therefore, it can be seen that the greatest common factor between the numbers is 8.
The expression for 72 + 40 will be 8(9 + 5).
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Describe the transformations of f(x) that produce g(x) .
f(x) = x/2 ; g(x)=-2 x+4
A compound function is when the output of one function is used as the input of another function. If we have a function ff and another function gg, the function fg(x)fg(x) is called "ff of gg of xx" or "fgfg of xx" and is a composition of the two functions.
The order in which functions are applied is important. Find the function of the function. If you have two or more functions, there can be many different permutations of those functions, giving you many different composite functions.
fg(x)fg (x) can be written f[g(x)] f[g(x)] to indicate that the inner function should be applied before the outer function.
Solution:
Your problem → f(x)=x/2, g(x)=-2x+4, Find f(g(x))
f(x)=x2, g(x)=-2x+4, fog(x)=?
g(x)=-2x+4, f(x)=x2
fog(x)=f(g(x))
=f(-2x+4)
=-2x+42
=-x+2
fog(x)=-x+2
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Given: a₁ = 23 and a5 = -5 a1 Find: a22
Using Arithmetic progression(A.P.), the value of a22 will be 107
The formula to calculate A.P. is a + (n-1)d
The value of a5 = 5a1
a1 = 23
a5 = -5a1
a5 = 5 (23)
a5 = 115
a22 = a + (n-1)d
a22 = 23 + (22-1)d
a22 = 23 + 21d ................(1)
a5 = 115
115 = a + (n-1)d
115 = 23 + (4)d ...................(2)
from (1) and (2)
a5 = a + 4d
d = 23
a22 = 107
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Position and label the following triangle on the coordinate plane.
Right ΔX Y Z with hypotenuse YZ, the length of XY is b units long, and the length of XZ is three times the length of XY
The position and label of the given right angle triangle ΔX Y Z whose hypotenuse will be 3.16 b have been plotted.
What is a triangle?A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.
In a triangle, the sum of all three angles is 180°
Triangle is a very common figure to deal with our daily life for example in our daily life to measure the height of any tower then there is a huge application of the right angle triangle.
Given the right-angle triangle ΔX Y Z
XY = b(base) and XZ = 3b(perpendicular).
By Pythagoras theorem,
Hyp² = Base² + Perp²
Hyp² = b² + (3b)²
Hyp² = 10b²
Hyp = 3.16b
Hence "The position and label of the given right angle triangle ΔX Y Z whose hypotenuse will be 3.16 b have been plotted".
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Read question. Then fill in the correct answer on the answer document provided by your teacher or on a sheet of paper.
Two similar trapezoids have a scale factor of 3: 2 . The perimeter of the larger trapezoid is 21 yards. What is the perimeter of the smaller trapezoid?
A. 14 yd
B. 17.5 yd
C. 28 yd
D. 31.5yd
The perimeter of the smaller of the two similar trapezoids is 14 yards.
Similar polygons are polygons that have equal corresponding angles and proportional corresponding sides.
The ratio of one side of a polygon to the corresponding side of the other is called the scale factor.
The ratio of the perimeters is the same as the scale ratio, while the ratio of the areas is the square of its scale ratio.
If two similar trapezoids have a scale factor of 3 : 2, then the ratio of their perimeters is also 3 : 2.
If the perimeter of the larger trapezoid is 21 yards, solve for the perimeter of the smaller trapezoid using the ratio for the perimeter.
3 : 2 = 21 yards : perimeter of the smaller trapezoid
perimeter of the smaller trapezoid = 2(21 yards)/3
perimeter of the smaller trapezoid = 14 yards
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A concert is attended by
26,493 people. To the nearest
thousand, about how many people
attended the concert?
Answer: 26,000
Step-by-step explanation:
26 000
See the pictures attached
Step1: Underline the place value spot you are rounding off to
Step2:circle the next door neighbour
Step3: if the number you circled is bigger than 5 it will stay the same. if it is smaller than 5 it will become a 0 and so will all the numbers that follow
how to round the number 19 to the nearest tenth in a percent
Answer:
Step-by-step explanation:
Determine the two consecutive multiples of 10 that bracket 19.
19 is between 10 and 20.
15 is the midpoint between 10 and 20.
As illustrated on the number line, 19 is greater than the midpoint (15)
Therefore, 19 rounded to the nearest is 20
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Write a recursive formula for each sequence. 1,5,14,30, . . . . . . .
The recursive formula for the given sequence: 1,5,14,30, . . . is a(n) = a(n-1) + n². It can also be expressed as a(n) = 4a(n-1) -6a(n-2) +4a(n-3) -a(n-4), with a(1) = 1.
A recursive formula of a sequence tells us how to find the nth term, a(n), from the preceding terms, a(n-1), a(n-2), ....
The sequence is:
1,5,14,30, . . . .
Here:
a(1) = 1, a(2) = 5, a(3) = 14, and a(4) = 30.
Let us write:
a(1) = 1
a(2) = 1 + 4 = a(1) + 2²
a(3) = 5 + 9 = 5 + 3² = a(2) + 3²
a(4) = 14 + 16 = 14 + 4² = = a(3) + 4²
So we can conclude the recursive formula is:
a(n) = a(n-1) + n²
However, we can find another recursive formula.
We have:
a(n) = a(n-1) + n² ........ (1)
For n -1 this becomes:
a(n-1) = a(n-2) + (n-1)²
a(n-1) = a(n-2) + n² - 2n + 1 ........ (2)
Subtract (1) - (2):
a(n) - a(n-1) = a(n-1) + n² - a(n-2) - n² + 2n - 1
a(n) - a(n-1) = a(n-1) -a(n-2) + 2n - 1
⇒ a(n) = 2a(n-1) -a(n-2) + 2n - 1 ...(3)
Equation (3) applies for any n, therefore for n -1, eq.(30 becomes:
a(n-1) = 2a(n-2) -a(n-3) + 2(n-1) - 1 ....(4)
Subtract Eq.(3) - Eq.(4).
a(n) - a(n-1) = 2a(n-1) -a(n-2) + 2n - 1 - (2a(n-2) -a(n-3) + 2n - 3)
a(n) - a(n-1) = 2a(n-1) - 3a(n-2) + a(n-3) + 2
⇒ a(n) = 3a(n-1) - 3a(n-2) + a(n-3) + 2 ....(5)
Substitute for n-1 again into Eq.(5):
a(n-1) = 3a(n-2) - 3a(n-3) + a(n-4) + 2 ..... (6)
Subtract Eq.(6) - Eq.(5)
a(n) - a(n-1) = 3a(n-1) -3a(n-2) +a(n-3) +2 -3a(n-2) +3a(n-3) -a(n-4) -2
a(n) - a(n-1) = 3a(n-1) -6a(n-2) +4a(n-3) -a(n-4)
⇒ a(n) = 4a(n-1) -6a(n-2) +4a(n-3) -a(n-4)
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I will AWARD BRAINLIST! Help I think I am wrong I am confused its a Math problem
Thank you !! have good day!
Answer: 55
Step-by-step explanation
[tex]\sqrt{a^{2} + b^{2}}=c -- Pythagorean theorem[/tex]
[tex]\sqrt{14^{2} + 20^{2}}=c[/tex] ≈24.41 rounding up to whole number = 24
∠θ = [tex]tan^{-1} (opposite/adjacent) = tan^{-1} (20/14) = 55[/tex]
therefore, ∠θ = 55
Use an explicit formula to find the 10 th term of each geometric sequence. -3,6,-12,24, . . .
The formula to calculate the 10th term of a Geometric Progression is :
=> [tex]a_{10} = a.r^{9}[/tex]
The formula to calculate [tex]n^{th\\}[/tex] term in a given Geometric progression is
=> [tex]a_{n} = a.r^{n-1}[/tex]
Where a1 = a, r is a common ratio defined by the ratio of any two successive terms r = a2/a1, and n is the term to be found.
In the given sequence, we have the first term i.e. a = -3, n = 10,
common ratio => r = a2/a1 => r = -2
Calculating using the G.P. formula for the 10th term
=> [tex]a_{10} = a.r^{9}[/tex]
=> [tex]a_{10} = (-3).(-2)^{(10-1)}[/tex]
=> [tex]a_{10\\}[/tex] = (-3)(-512) = 1536
The 10th term for this sequence will be 1536.
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