Given equation is :
4 (2x + 1) = 5 (x + 2) + 3Now, 4 (2x + 1) = 5 (x + 2) + 3 will be equal to
=> 8x + 4 = 5x + 10 + 3
=> 8x - 5x = 10 + 3 - 4
=> 3x = 9
=> x = 9/3
=> x = 3
Hence, on the number line the total solutions for given equation is one which is x = 3.
However, on the Cartesian plane :
The equation will be :
=> x + 0y = 3
Hence, there are infinite values possible y, such as :
x = 3, y = 5=> 3 + 0 × 5 = 3
x = 3, y = 2=> 3 + 0 × 2 = 3
And many more...
Hence, there are many solutions for the equation on Cartesian plane.
Solve the equation.
p−3=−4
p=
The value of p in the given equation is -1.
Given is an equation p-3 = -4, we need to find the value of p,
So,
p-3 = -4
p = -4+3
p = -1
Hence, the value of p in the given equation is -1.
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A city's population is currently 100,000. If the population doubles every 80 years, what will the population be 160 years from now?
Answer:
Step-by-step explanation:
100,000 doubles to 200,000 in 80 years then 400,000 in 80 more years
400,000 because it doubles once first 80 years to 200,000 then again another 80 years to 400,000
He sold a car for 247,250 at a profit of 15%, what was the price of the car?
Answer: Cost Price = 21,50,000
Step-by-step explanation:
Solve the right triangle ABC for all missing parts. Express angles in decimal degreesA=23°23', c= 47.25 mRound to the nearest hundredth please
The first step is to convert angle A = 23°23' to degrees. Recall, the interpretation of angle A is 23 degree 23 minutes. Also,
1 degree = 60 minutes
Let x = 23 minutes. Thus, we have these equations
1 = 60
x = 23
By crossmultiplying,
60x = 23
x = 23/60 = 0.3833
Thus,
angle A = 23 degrees + 0.3833 degrees = 23.3833 degrees
The triangle is shown below
Taking angle A as the reference angle,
hypotenuse = 42.75
opposite side = a
adjacent side = b
To find a, we would apply the sine trigonometric ratio which is expressed as
Sin# = opposite side/hypotenuse
Sin 23.3833 = a/47.25
By crossmultiplying,
a = 47.25Sin 23.3833
a = 18.75
To find b, we would apply the cosine trigonometric ratio which is expressed as
Cos# = adjacent side/hypotenuse
Cos 23.3833 = b/47.25
By crossmultiplying,
b = 47.25Cos 23.3833
b = 43.37
The given triangle is a right triangle. This means that one of its angles is 90 degrees. Thus,
angle C = 90 degrees
The sum of the angles in a traingle is 180 degrees. This means that
angle A + angle B + angle C = 180
23.3833 + angle B + 90 = 180
angle B + 113.3833 = 180
angle B = 180 - 113.3833
angle B = 66.62 degrees
3. Roger runs 8 miles per hour. He ran for h
hours to run 6 miles.
Write the equation for this situation
Answer:
8h
Step-by-step explanation:
8 miles per hour
h hours
plug in h for how many hours
8 divided by 6 is 1.3
1.3 hours to run 6 miles
Which equation would solve for the standard rate of pay?
Here is the basic salary-to-hourly formula for this method: First, divide the employee’s annual salary by 52 weeks (the number of weeks in a year). Divide the weekly wages by 40 hours.
Evaluate 11.5x + 10.9y when x = 6 and y =7
Answer: 145.3
Step-by-step explanation:
the solution for the given expression 11.5x + 10.9y is 145.3
What is an Equations?
Equations are statements in mathematics that have two algebraic expressions on either side of the equals (=) symbol. It demonstrates how the expressions written on the left and right sides are equivalent. Equations can be solved to find the value of a variable that represents an unknown quantity. If there is no "equal to" symbol in a statement, it is not an equation. It will be viewed as a phrase.
11.5x + 10.9y
Here x = 6 and y = 7
11.5*6 + 10.9*7 = 145.3
Hence, the solution the given expression is 145.3
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Express the following in standard form:
0.043 × 100²
Answer:
430
Step-by-step explanation:
0.043 × 100^2 = 0.043 × (100 × 100)0.043 × (100 × 100) = 0.043 × 10000.043 × 1000 = 430Therefore, the answer is 430.
What is the scale factor from figure A to Figure B
Answer:
2
Step-by-step explanation:
It decreases by two, if you look at the side of Figure A you'll see that it is four squares, and Figure B is two squares. So the scale factor is 2.
Determine if the values in the table are proportional yes or no
its non propotional that the answer
68 823 617 round off to nearest 10
Answer:
68 823 620
Step-by-step explanation:
if the last no. is 5 or above add 1 to the number after it and turn the original number into zero but if the last no. if below or 4 then keep it as it is and change the last no. to zero
Please provide work as well.
Area of triangle DEF as ΔABC is similar to ΔDEF is 39.0625m².
What is the area of angle DEF?The area of similar triangles theorem states that the ratio of the area of two similar triangles are proportional to the square of the ratio of their sides that corresponds.
Given the data in the diagram;
Area of ΔABC = 100m²Length of BC = 8mArea of ΔDEF = ?Length of EF = 5mSince the triangles are similar;
Area of ΔABC / Area of ΔDEF = ( BC/EF )²
100m² / x = (8m / 5m )²
100m² / x = 64m² / 25m²
x × 64m² = 100m² × 25m²
x × 64m² = 2500m⁴
x = 2500m⁴ / 64m²
x = 39.0625m²
Therefore, the area of ΔDEF is 39.0625m².
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Which expression shows 7+21 written as a product of two factors?
(A)3(1+7)
(B)3(3+7)
(C)7(3+3)
(D)7(1+3)
Expressing or writing 7+21 as a product of two factors requires the application of Distributive Property
The expression that shows 7+21 written as a product of two factors is
7(1 + 3).
To solve the above question, we apply the Distributive property.This is expressed as:a (b + c) = ab + ac
Where
a is the common factor
We are given the expression:
7 + 21
Splitting this into two factors using the distributive property
7 + 21
The common factor for 7 and 21 is 7
Hence, by factorising we have:
7 + 21 = 7(1 + 3)
Therefore, the expression that shows 7+21 written as a product of two factors is :
7(1 + 3)
The correct option is D
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Use the figure to answer the question.
10 yd
4 yd
What is the area of the shaded portion to the nearest hundredth? Enter the answer in the box.
square yards
Answer:
\(33.72 \: square \: yards \)
Step-by-step explanation:
\(4 \times 10 = 40 \\ {2}^{2} \pi \div 2 = 6.28 \\ 40 - 6.28 = 33.72\)
Cam’s tent (shown below) is a triangular prism.
Find the surface are, including the floor of his tent
PLEASE HELP
Answer:
21.4 m²
Step-by-step explanation:
To find the surface area of this whole triangular prism, we have to look at the bases (the triangles), find their surface area, then look at the sides (the rectangles) and find theirs.
Let's start with the triangles. The area of any triangle is \(\frac{bh}{2}\). The base of this triangle is 2m (because there are 2 one meters) and the height is 1.7m.
\(\frac{2\cdot1.7}{2} = \frac{3.4}{2} = 1.7\)
So the area of one of these triangles is 1.7m. Multiplying this by two, because there are two triangles in this prism:
\(1.7\cdot2=3.4\)
Now let's find the area of the sides.
The side lengths are 2 and 3, so
\(2\cdot3=6\), and there are 3 sides (including the bottom/floor) so \(6\cdot3=18\).
Now we add.
\(18+3.4=21.4\) m².
Hope this helped!
Answer: 21.4 square meters^2
Step-by-step explanation:
The following table shows the number of candy bars bought at a local grocery store and the
total cost of the candy bars:
Candy Bars: 3, 5, 8, 12, 15, 20, 25
Total Cost: $6.65, $10.45, $16.15, $23.75, $29.45, $38.95, $48.45
If B represents the number of candy bars purchased and C represents the total cost of the candy bars, write the linear model that models the cost of any number of candy bars.
The linear model that represents the cost of any number of candy bars can be written as: C = $1.90B + $0.95
To write the linear model that models the cost of any number of candy bars, we need to find the equation of a line that best fits the given data points. We'll use the variables B for the number of candy bars purchased and C for the total cost of the candy bars.
Looking at the given data, we can see that there is a linear relationship between the number of candy bars and the total cost. As the number of candy bars increases, the total cost also increases.
To find the equation of the line, we need to determine the slope and the y-intercept. We can use the formula for the equation of a line: y = mx + b, where m is the slope and b is the y-intercept.
First, let's find the slope (m) using two points from the given data, for example, (3, $6.65) and (25, $48.45):
m = (C2 - C1) / (B2 - B1)
= ($48.45 - $6.65) / (25 - 3)
= $41.80 / 22
≈ $1.90
Now, let's find the y-intercept (b) using one of the data points, for example, (3, $6.65):
b = C - mB
= $6.65 - ($1.90 * 3)
= $6.65 - $5.70
≈ $0.95
Therefore, the linear model that represents the cost of any number of candy bars can be written as:
C = $1.90B + $0.95
This equation represents a linear relationship between the number of candy bars (B) and the total cost (C). For any given value of B, you can substitute it into the equation to find the corresponding estimated total cost of the candy bars.
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Bob owns a hardware store he sells hammers for 15$ on Saturday he sold 36 hammers how much money did he collect for hammers that day
Given:
Bob owns a hardware store he sells hammers for 15$
On Saturday he sold 36 hammers.
The total cost of the hammers =
\(15*36=540\)So, the answer will be $540
C = 5/9 (F − 32)
The equation above gives the Celsius temperature, C, corresponding to the Fahrenheit temperature, F. Find the Celsius temperature equivalent to 77° F.
A. 25° C
B. 57° C
C. 45° C
D. 30° C
How to get the answer for y=2x+3,4x-3y=1 substitution method
Answer:
x=−5 and y=−7
Step-by-step explanation:
Step: Solve y=2x+3for y:
y=2x+3
Step: Substitute2x+3foryin4x−3y=1:
4x−3y=1
4x−3(2x+3)=1
−2x−9=1(Simplify both sides of the equation)
−2x−9+9=1+9(Add 9 to both sides)
−2x=10
−2x
−2
=
10
−2
(Divide both sides by -2)
x=−5
Step: Substitute−5forxiny=2x+3:
y=2x+3
y=(2)(−5)+3
y=−7(Simplify both sides of the equation)
PLEASE HELP ANGLE OF A TRIANGLE
Answer:
59°
Step-by-step explanation:
The angles of a triangle equal 180°.
Also the angle of a straight line is 180°.
So you first find the missing bottom angle by taking 180-147 to equal 33.
Then you take 33+88+x=180
solve for x by subtracting 88 and 33 from 180 to equal 59.
Answer:
59°
Step-by-step explanation:
180 - 147 = 33
88 + 33 = 121
180 - 121 = 59
PLSS HELP ME ARGHHHHHH
Sarah wants to cover the rim of her circular pool with a foam covering. The foam covering is sold in boxes that will cover 40 feet. How many boxes of foam will Sarah need to cover the rim of the pool?
Answer:
this was m closet answer 39.3701 and it was using 12 small boxes.
Step-by-step explanation:
What is the slope of the line through (5, 1) and (-5, 3)?
Answer:
-1/5
Step-by-step explanation:
We can use the formula [ y2-y1/x2-x1 ] to solve.
3-1/-5-5
2/-10
-2/10
-1/5
Best of Luck!
which graph shows the solution to the system of linear equations?
y=-1/3x+1
y=-2x-3
y = -1/3x + 1
y = -2x - 3
We can compare the equations to the graphs and see which graph represents the intersection point of the two equations.
The first equation, y = -1/3x + 1, has a negative slope (-1/3) and a y-intercept of 1.
The second equation, y = -2x - 3, also has a negative slope (-2) and a y-intercept of -3.
Based on the slopes and y-intercepts, we can identify the correct graph by finding the point where the two lines intersect.
Unfortunately, since the graphs are not provided, I am unable to determine which specific graph shows the solution to the system of linear equations. I recommend referring to the graph representation of the equations and identifying the intersection point to determine the correct graph.
Two compounds are identified from a mixture using the GC. If peak A has a height of 4 cm and a width of 10 cm (at half the height of the peak) and peak B has a height of 4 cm and a width of 5 cm (at half the height of the peak), what is the % of peak A in that mixture
The percentage of peak A in the mixture is approximately 66.67%.
To calculate the percentage of peak A in the mixture, we need to compare the areas under the respective peaks.
The area of a peak in chromatography represents the quantity or concentration of the compound. In this case, we can assume that the heights of the peaks are proportional to their areas.
The area of a peak can be estimated by multiplying the height by the width. Therefore, the estimated area of peak A is 4 cm (height) multiplied by 10 cm (width), which equals 40 cm². Similarly, the estimated area of peak B is 4 cm (height) multiplied by 5 cm (width), which equals 20 cm².
To calculate the percentage of peak A in the mixture, we divide the area of peak A by the total area of both peaks (peak A + peak B), and then multiply by 100:
Percentage of peak A = (Area of peak A / (Area of peak A + Area of peak B)) * 100
Percentage of peak A = (40 cm² / (40 cm² + 20 cm²)) * 100
= (40 cm² / 60 cm²) * 100
= (2/3) * 100
= 66.67%
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Can someone help? I don’t really understand what reflect over line y=x means :)
Answer: (-3,7)
Step-by-step explanation:
Flip the signs
if a stapler has max capacity of 560 staples and Dave staples 56 documents of paper each document having 6 staples but every 10 staples one gets stuck resulting in one being not used Dave dose this every week for 5 days a week. If Dave continues at this rate how long will it take for Dave to use 2600 staples in which would lead to Dave's ability towards world domination.
It takes 35 days for Dave to use 2600 staples in which would lead to Dave's ability towards world domination.
Given that, a stapler has max capacity of 560 staples.
What is the unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Every 10 staples one gets stuck resulting in one being not used
So, out of 560 staples 56 are not being not used.
So, remaining stapes are 560 - 56 = 504
Number of staples used for 56 documents
= 56×6 = 336
Total number of staples used for 56 documents = 336+34
= 370
Number of staples used for a day = 370/5
= 74
Number of days take for Dave to use 2600 staples
= 2600/74
= 35.13 ≈ 35
Therefore, it takes 35 days for Dave to use 2600 staples in which would lead to Dave's ability towards world domination.
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What is the m∠AHE
m
∠
A
H
E
to the nearest whole number?
Answer:
Below
Step-by-step explanation:
As I posted ....looks to be 147°
What is the complete factorization of the polynomial below?
x^3 + 3x^2 + 9x + 27
A. (x-3)(x+3)(x +31)
B. (x-3)(x+31)(x-31)
C. (x+3)(x + 31)(x+31)
D. (x+3)(x+3)(x-31)
Answer:
\(\displaystyle (x + 3)(x^2 + 9)\)
Step-by-step explanation:
\(\displaystyle x^3 + 3x^2 + 9x + 27 \hookrightarrow x^2(x + 3)\:9(x + 3) \\ \\ \boxed{(x^2 + 9)(x + 3)}\)
Perhaps there is a typographical errour in your answer choises.
Still, I am joyous to assist you at any time.
When we factorise the polynomial x³ + 3x² + 9x + 27 completely, the result obtained is (x² + 9)(x + 3)
Data obtained from the question polynomial = x³ + 3x² + 9x + 27Factorisation =? How to factorise x³ + 3x² + 9x + 27x³ + 3x² + 9x + 27
Group the terms
(x³ + 3x²) + (9x + 27)
Factorise
x²(x + 3) + 9(x + 3)
Since the same entity appear in both brackets, we shall pick one as follow
(x² + 9)(x + 3)
Thus,
x³ + 3x² + 9x + 27 = (x² + 9)(x + 3)
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need ko po answer plssssss
Susan had four bags of candy, each weighing 6 ounces. Isabel had one bag of candy weighing 1 pounds. Which girl has the more candy in weight? Your work will justify your answer.
Susan has more candy in weight compared to Isabel.
To compare the candy weights between Susan and Isabel, we need to ensure that both weights are in the same unit of measurement. Let's convert Isabel's candy weight to ounces for a fair comparison.
Given:
Susan: 4 bags x 6 ounces/bag = 24 ounces
Isabel: 1 bag x 16 ounces/pound = 16 ounces
Now that both weights are in ounces, we can see that Susan has 24 ounces of candy, while Isabel has 16 ounces of candy. As a result, Susan is heavier on the candy scale than Isabel.
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