(3,2) is not a solution because it does not satisfy the equation and the line on the graph does not pass through it.
How to find the solution to an equation?
We perform the same operations on both sides to ensure that the equality of both expressions is maintained.
Solving equations generally entails determining the values of the variables used in the equation for which the equation under consideration is true.
Given that:
The graph of the equation is y = -3/4x + 3.
To find if the point (3, 2) a solution to the equation.
substitute the point to to satisfy the equation;
y = -3/4x + 3
y = -3/4(3) + 3
y = -9 / 4 + 3
y = 3/3 = 1
Hence, (3,2) isn’t a solution because it doesn't satisfy the equation and also the line on the graph doesn’t go through it .
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A = 2^3 x 3 x 5
B = 22 x 3 x 52
(b) Write down the highest common factor (HCF) of A and B.
Answer:
Step-by-step explanation:
B = 22 × 3 × 52?—or is it supposed to be
B = 2² × 3 × 5² ?
A = 2² × 3 × 5
B = 2² × 3 × 5²
GCF = 2² × 3 × 5 = 60
A = 2² × 3 × 5
B = 22 × 3 × 52 = 2³ × 3 × 5 × 11 × 13
GCF = 2² × 3 × 5 = 60
what is the mass to the nearest tenth of a gram of 3.50 moles of sodium metal?
Answer:
The mass of 3.5 moles of Ca (Sodium) is 140 g to two significant figures.
Band is 60 minutes long. Each band member is also expected to practice at home. The expression 60+h shows total minutes spent playing each day, where h represents minutes of practice at home. When French horn players Jack, Lu, and Richard get the same value but Jack gets a lesser value. Explain how this is possible.
Answer:
I’m not sure, but I think he practiced before them?
Equivalent representations of percent problems
Answer:
A. 80/100×22D. 0.8×22E. 4/5×22Explanation:
80/100×22 = 1760/100 = 17.60.8×22 = 17.64/5×22 = 88/5 = 17.617.6 is 80% of 22
4x12≤ -8 Anyone know I need help
What is the answer to the question?
Answer:
45Step-by-step explanation:
because the sum of angles of a triangle is equal to 180
5500 trees were planted on 1st october 2018 only 5060 trees were alive on 1st october 2019 it is assumed that the number of trees alive is given by N = ar where N is the number of trees still alive t years after October 1 2018 What is the value of a
Considering the information about trees, The value of a is 5500
The value of r is calculated to be 0.92
In 1 October 2030 the number is 2022
How to find the value of aA mathematical function called an exponential function is employed frequently in everyday life. It is mostly used to compute investments, model populations, determine exponential decay or exponential growth, and so on.
Exponential function is a type of function of the form: f(x) = a(b)^x. It is made up of 3 main parts
a = the starting or initial value
b = the base function
x = the exponents
Considering the given problem, N = ar^t
the starting, a = 5500
the base, r =
the exponents = t
Solving for the base
N = ar^t
5500 = ar^t in 2018 t = 0
a = 5500
in 2019, t = 1
N = ar^t
5060 = 5500 * r
r = 5060/5500
r = 0.92
From 2018 to 2030 = 12 years, hence t = 12
N = 5500 * 0.92^12
N = 2,022.165132
N = 2022
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Help me please I need this problem answered
Step-by-step explanation:
-5/8 = v + 48/8
-53/8 = v
-6 5/8 = v
Here is a graph of the equation 2x-y=1 are the points (0,1/2) and (-7,-3) solutions to the equation 
HELPPPP ASAP
Neither of the two points is a solution of the linear equation.
Are the points solutions of the linear equation?Here we have the linear equation.
2x - y = 1
And we have the graph of this line.
We want to check if the points (0, 1/2) and (-7, -3) are solutions.
You can do this in two ways, one is finding the points on the coordinate axis and check if the points lie on the line, the other is replace the values in the eequation and see if it becomes true.
Because the graph is really small in the image, I will do the second one.
For (0, 1/2) we have:
2*0 - 1/2 = 1
0 - 1/2 = 1
-1/2 = 1
This is false.
For the second (-7, -3) we have:
2*-7 - (-3) = 1
-14 + 3 = 1
-11 = 1
This is false.
Neither of the points is on the line.
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!!!!! HELP PLS will mark brainliest
Anyways, the question isn't clear. Can you get a better screenshot?
Answer:
Domain, -1<x<=6
Range, -3<=y<=5
Step-by-step explanation:
Just trust me
hey, can somebody help me please and thank you. :)
Which system of linear equations has an infinite number of solutions?
a. 3 x + 8 y = -1
3x + 8y = 2
b. 3 x + 8 y = -1
-3x + 4y = -20
c. 3 x + 8 y = -1
-12x - 32y = 4
d. 3 x + 8 y = -1
-2x + y = 3
Answer:
c. 3x + 8y = -1 -12x - 32y = 4Step-by-step explanation:
If we divide second equatoin by (-4) we get the first equation.
Two identical equations means infinite number of solutions.
A clerk at Agency Y has determined that at speeds of 25 pages per minute it is typical for 3 out of every 100 pages she photocopies to contain some type of printing error. How many pages with printing errors would she expect to find during a 4-hour photocopying session at 25 pages per minute
Answer:
180 pages
Step-by-step explanation:
Since her photocopy session is 25 pages per minute, the total number of pages photocopied in 4 hour session can be calculated as;
number of pages = time × speed
= (4 × 60) × 25
= 240 ×25
= 6000 pages
Thus, number of pages photocopied in 4 hours is 6000.
For every 100 pages, 3 would contain some type of printing error. The number of pages she expect with printing error during 4 hour session can be determined as;
= \(\frac{6000}{100}\) × 3
= 60 × 3
= 180 pages
The expected number of pages with printing error during 4 hour photocopying session is 180 pages.
The method 100 students use to get to
school and their grade level is shown below.
Walk
Drive
Sophomore 2
Junior
13
Senior
25
P(AnB)
P(B|A) = P(A)
Bus
25
20
5
MN5
3
2
5
Find the probability a student drives,
given that they are a senior.
P(drive | senior) = [?]
Round to the nearest hundredth
The probability that a student drives to school, given that they are a senior, is approximately 0.71, rounded to the nearest hundredth.
How to find the Probability?
We can use Bayes' theorem to find the probability that a senior student drives to school, given that they are a senior.
First, we need to calculate the probability of a student being a senior:
\(P(senior) = \frac{25+5+5}{(2+25+3+13+20+2+25+5+5)} = \frac{35}{100} = 0.35\)
Next, we need to calculate the probability of a senior student driving to school:
P(drive ∩ senior) = 25/100 = 0.25
Now we can apply Bayes' theorem:
P(drive | senior) = P(drive ∩ senior) / P(senior)
P(drive | senior) = 0.25 / 0.35 ≈ 0.71
Therefore, the probability that a student drives to school, given that they are a senior, is approximately 0.71, rounded to the nearest hundredth.
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Dog ownership
Bulldogs
German
Shepherds
la
If 171 dogs are registered, how many more of them are German Shepherds than Bulldogs?
Answer:
95 German Shepherds
Step-by-step explanation:
Looking at the pie chart, 4 out of 9 are bulldogs and 5 out of 9 are german shepherds. You can find the difference by taking the total and multiplying it by the fraction.
So it would look like this:
171 × 5/9 = 95
If 7m = 35, then 7m + 4 = 35 + 4 WHAT IS THE PROPERTY?
Answer:
Addition Property
because it has both multiplication and addition but the addition is more
A straw is placed inside a rectangular box that is 9 inches by 6 inches by 8 inches, as shown. If the straw fits exactly into the box diagonally from the bottom left corner to the top right back corner, how long is the straw? Leave your answer in simplest radical form.
The length of the straw in a rectangular box of dimensions 9 by 6 by 8 inches is the diagonal of the box, which can be found using the Pythagorean theorem. The length of the diagonal is sqrt(181) inches or about 13.4536 inches.
Mia would like to buy
popcorn for $5 per bag
If she has $25, what is the
greatest number of bags
she can buy?
Plz help I suck at math!
Answer:5
Step-by-step explanation:
algebra 2
-16x^2+4x+13=0
Answer:
x=1 ± √53/8Step-by-step explanation:
4. Nicky has a part-time job at the market. She recorded the number of hours she worked each week for the last month and how much she was paid after taxes to the table given below. If the paycheck amount varies directly with the hours worked, how much is Nicky paid per hour, after taxes? * Hours Worked Paycheck amount ($) 130.76 149.44 65.38 102.74 16 11
we use cross-multiplication
take a pair and try to find the pay per hour
\(\begin{gathered} 14h\longrightarrow130.76 \\ 1h\longrightarrow x \end{gathered}\)\(\begin{gathered} x=\frac{1h\times130.76}{14h} \\ x=9.34 \end{gathered}\)to check we can take other pair
\(\begin{gathered} 7h\longrightarrow65.38 \\ 1h\longrightarrow x \end{gathered}\)\(\begin{gathered} x=\frac{1h\times65.38}{7h} \\ x=9.34 \end{gathered}\)the paid per hour is $9.34
I need help please asapp
Answer: The answer is 14 by applying the slope formula
Step-by-step explanation:
For example, we can use the points (3.75,52.50) and (5.5,77)
When would then use the slope formula;
M=\(\frac{77-52.5}{5.5-3.75}\), then simplify \(\frac{24.5}{1.75}\), and then get 14
Andrew earns a total of 14$ per hour
Which of the following triangles describes AA similarity?
The triangles AEB and DEC describes AA similarity .
What is AA Similarity ?
Two triangles are said to be congruent by AA Similarity when two angles in one triangle are congruent to two angles in another triangle .
In the question ,
a figure is given .
in triangle AEB and triangle DEC ,
we can see that ,
∠AEB ≅ ∠DEC , because they are vertically opposite angles .
On rotating triangle CED by 180° around the point E, then the translate point D to point A confirms ∠EAB ≅ ∠EDC.
Since two angles are Congruent
So , By AA Similarity , triangles AEB and DEC are Congruent .
Therefore , the triangles AEB and DEC are Congruent .
The given question is incomplete , the complete question is
Which of the following triangles in the given figure describes AA similarity ?
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x^3 - 3x^2 + 4x - 12
Answer:
(x^2 + 4)(x - 3).
Step-by-step explanation:
I'm guessing you want to factor this.
You can do it by grouping:
x^3 - 3x^2 + 4x - 12
= x^2(x - 3) + 4(x - 3)
= (x^2 + 4)(x - 3).
For each value of w, determine whether it is a solution to -6w+3>57.
Answer:
None really look like a solution. I mean, that's what I think, honestly.
A professor tells his class that the mean score on their first exam was 50 (there is no possible maximum value). He announces that he will add 20 points to each student's score. What is the new mean after each student has received those extra 20 points
Answer:
It will add 20
Step-by-step explanation:
If the mean is 50, we can make the guess that maybe there are 10 children with all 50. If we add 20 then the mean becomes 70.
Two large charged plates of charge density ±30�C/m2±30μC/m 2 face each other at a separation of 5.0 mm. (a) Find the electric potential everywhere. (b) An electron is released from rest at the negative plate; with what speed will it strike the positive plate?
(a) Potential on the opposite sides of the positive and negative plates is 8475 V and -8475 V, respectively. (b). 772 m/s is the speed at which the positive plate will be struck.
What is the word for speed in science?A more technical or sophisticated phrase, velocity, is occasionally used interchangeably with speed to refer to extremely high rates of linear or circular speed, such as the velocity of a bullet.
a). Positivplate should be on the right and negativeplate should be on the left.
Potential equals zero at the center of the plates.
Electric field between it plates: 30e⁻⁶/8.85e⁻¹² (338 V/m) = sigma/e0
Potential is equal to 3389830x, where x is the distance in meters from the center of the plates.
Where x is the distance in meters from the center of the plates, the potential to the left of either the middle point equals -3389830x.
Potential outside of the positive plate is equal to 3389830*0.005/2, or 8475 V.
The potential is -8475 V on the contrary side of the negative plate.
Potential between it plates is equal to -8474 + 3389830x, where x is the distance in meters from the negative plates.
b). Electron energy at the positive plate is equal to [8475 - -8475]. eV = 2*8475*1.6e⁻¹⁹ = 2.712*10⁻¹⁵ J
Speed = sqrt(2E/m) = sqrt(2*2.712e-15/9.1e⁻³¹) = 772 meters per second.
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hello. Someone help me solve all these. Will mark as brainliest. Thanks
Answer:
number 19 is letter B.hence express P(x) as the product of it's linear factors
97 percent of 245m what is the answer
Answer:
multiply them
Step-by-step explanation:
trust me on this one i love using that hack
Look at this square. Find the value of
S.
S
Perimeter = 16 miles
S =
miles
The value of S, which represents the length of each side of the square, is 4 miles.
To find the value of S, we need to determine the length of each side of the square. Given that the perimeter of the square is 16 miles, we can use the formula for the perimeter of a square, which is 4 times the length of a side.
Perimeter = 4 × S
Given that the perimeter is 16 miles, we can substitute this value into the equation:
16 = 4 × S
To solve for S, we divide both sides of the equation by 4:
16 ÷ 4 = S
4 = S
Therefore, S, which stands for the square's side lengths, has a value of 4 miles.
So, S = 4 miles.
This means that each side of the square measures 4 miles, and the square has equal sides and right angles at each corner.
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4. Which of the following differences could not give a distance between two points on a number line? Explain why. a. 19-7 c. -12-(-7) b. -3 - (-18) d. 14-(-6)
-12 -(-7) could not be a distance.
Distance:
Distance traveled is the total length of the path traveled between two positions. It can either be a 0 or a positive number that's mean it can never be a negative number.
So from the above-given statement we have
a) 19-7 = 12 (which is positive number)
b) -12 - (-7) = -12 + 7 = -5 ( which is a negative number)
c) -3-(-18) = -3 + 18 = 15 ( which is a positive number)
d) 14-(-6) = 14 + 6 = 20 ( which is a positive number)
Therefore option b i.e., -12 - (-7) cannot be a distance between two points on a number line.
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