Answer:
The answer would be 16,046.
Step-by-step explanation:
Hope I helped!! :)
can someone please solve and explain how you got your answer, WILL GIVE BRAINLIEST!!!
Answer:
A, graph 4, S(0, 9)B, graph 3, R(9, 0)C, graph 1, P(3, 9)D, graph 2, Q(-3, 0)Step-by-step explanation:
You want to identify the graphs that go with each of these functions, along with a particular point on the curve.
y = x² +3x +9y = (x +3)(x -9)y = (x -3)² +9y = -(x -9)(x +3)Quadratic features of interestThe equations are written here in standard form, factored form, and vertex form. (The "factored form" is sometimes called "intercept form.") Each of these forms can be analyzed for characteristics relevant to identifying the corresponding graph.
In general, we can readily identify the opening direction, based on the sign of the leading coefficient. Depending on the form, we can also identify zeros, the vertex, and the y-intercept.
Standard formThe line of symmetry (x-coordinate of the vertex) of the equation in the form ax² +bx +c is x = -b/(2a). That is, it will be left of the y-axis when the coefficients 'a' and 'b' have the same sign.
The graph of equation A will be graph 4, the only one with its vertex left of the y-axis. The y-intercept is the constant: point S = (0, 9).
Factored formEquation B has a positive leading coefficient, so opens upward. The zeros of the factors are -3 and +9, so identify the places where the graph crosses the x-axis. Graph 3 is the only one that opens upward and has x-intercepts. Point R is (9, 0).
Vertex formThe vertex form of a quadratic is ...
y = a(x -h)² +k . . . . . . . vertex (h, k); leading coefficient 'a'
Equation C has its vertex at (h, k) = (3, 9) and opens upward (a>0). Graph 1 is the only one matching those characteristics. Point P is the vertex, so point P is (3, 9).
Leading coefficientEquation D is the same as equation B, but with a negative leading coefficient. That is, it opens downward and crosses the x-axis in two places, at x = -3 and x = 9. Graph 2 is matches this description. The left zero is point Q, (-3, 0).
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PLEASE IF U GET THE ANSWER SHOW UR WORK write the equation for the line that passes through the given point, and is parallel to the given line.
(-3,-1); x-2y = 5
Answer:
y = 5x - 4
Step-by-step explanation:
1. Parallel have the same slope (equation)
- Standard form of an equation of a line: y=mx + b
m = slope
x = x-coordinate
b = y-intercept
y = y-coordinate
SLOPE = \(\frac{y_{2} -y_{1} }{x_{2}-x_{1}}\)
Given that x-2y = 5
and the line has the point:
(-3,-1)
We need to find another point to find the slope
x - 2y = 5
Let's say x = 7 and y = 1
(7, 1)
Now plug it into the slope equation
\(\frac{-3-7}{-1-1} = \frac{-10}{-2} = 5\)
Plug the slope into the standard form of an equation of a line
y = 5x + b
Plug in (7,1)
1 = 5 + b
b = -4
The answer is: y = 5x - 4
Hope this helps :)
Have a great day!
Help pls part b is how many batches of jam can the farmer make
The equation we need to find will relate the amount of remaining berries to the number of batches of jam the farmer can make is 16 = 2 1/2 + 2 1/4b (option b)
To start with, we know that the farmer picks 16 quarts of berries. Out of those, 2 1/2 quarts cannot be used, which means the farmer has 16 - 2 1/2 quarts of berries that can be used to make jam.
Now, the recipe requires 2 1/4 quarts of berries to make one batch of jam. Let's represent the number of batches of jam the farmer can make with the remaining berries as "b".
Therefore, the equation we need to find will relate the amount of remaining berries to the number of batches of jam the farmer can make is written as,
=> 16 = 2 1/2 + 2 1/4b
Hence the correct option is (b).
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] Scientists trying to calculate the half-life (the time it takes for half of a sample to decay) of Phosphorus-32, took measurements of the sample once every day for five days. On what day should about a fourth of the original amount of P-32 remain? (Round answer to the nearest day.) Day Mass (g) 0 100 1 95 2 90.5 3 85 82 78 25 st 4 LO 5 ?
The time it will take for about a fourth of the original amount of P-32 remain is given as follows:
27 days.
How to define the exponential function?An exponential function is defined as follows:
y = ab^x.
In which:
a is the initial value.b is the rate of change.Considering that the initial amount is of 100, while after one day the amount was of 95, the parameters are given as follows:
a = 100, b = 95/100 = 0.95.
Hence the function for the amount remaining after x days is given as follows:
y = 100(0.95)^x.
One fourth of the amount will be remaining when y = 25, hence:
25 = 100(0.95)^x.
(0.95)^x = 0.25
xlog(0.95) = log(0.25)
x = log(0.25)/log(0.95)
x = 27 days.
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What is the perimeter, in units, of ΔABC Δ A B C with A(−1,−6) A B(7,−6), and C(3,−3)
Answer:
the perimeter in unites of abc with 3, -3 is a
Answer:
18 Units
Step-by-step explanation:
According to the calculator
Find the value of x.
Answer: B. 14
Step-by-step explanation:
because 140 divided by 10 equals 14
Answer
d o c
Step-by-step explanation:
olve each equation for x. Give both an exact value and a decimal approximation, correct to three decimal places. (a) In(5x + 6) = 4 exact value decimal approximation XE (b) e6x - 5 = 15 exact value X decimal approximation Solve each equation for x. Give both an exact value and a decimal approximation, correct to three decimal places. (a) In(In(x)) = 0 exact value X = decimal approximation X = 40 (b) =4 3 + e- exact value X = decimal approximation X =
The exact value of is x \(e^{4}\) - 6/5 and the value of x will be 9.720.
What is exponential?
The exponential is an example of a mathematical function that is useful in determining if something is increasing or decreasing exponentially is the exponential function. As implied by its name, an exponential function uses exponents. But take note that an exponential function does not have a variable as its exponent and a constant as its base (if a function has a variable as the base and a constant as the exponent then it is a power function but not an exponential function).
a) In(5x + 6) = 4 exact value decimal approximation XE
ln (5x+6) = \(e^{4}\)
5x = \(e^{4}\) - 6
x = \(e^{4}\) - 6/5
5x = e^-6 x = 5 (r) x = 9.720
Hence, The exact value of is x \(e^{4}\) - 6/5 and the value of x will be 9.720.
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write an equation that you can use to slove for x enter your answer in the box
The value of angle x is 133 degree
And the equation of line be of the form,
⇒ y - y₁ = 133(x - x₁)
In the given line,
one angle is of 47 degree
And other is x degree
To find the value of x,
Since we know that,
The angle of line is 180 degree.
Therefore,
⇒ x + 47 = 180
⇒ x = 133 degree
Therefore slope of this line be 133 degree
Now let this line is passing through (x₁, y₁)
Hence,
The equation of line be,
⇒ y - y₁ = (slope)(x - x₁)
⇒ y - y₁ = 133(x - x₁)
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What is the slope for the graph?
A: -5
B: -1/2
C:2
D: -1/5
Answer:
Step-by-step explanation:
Since we are given two points in the graph, we can use the slope equation shown below:
(y2-y1)/(x2-x1)
reading the graph left from right (1,11) will be the first point and (3,1) the second. plug in and solve!
(1-11)/(3-1) = -10/2 = -5
The slope is -5
a negative slope makes sense since the graph is leaving the first quadrant.
hope this helps!
Answer: A) -5. Graph slope.
Step-by-step explanation:
The formula to calculate the slope of the line is:
\(\boldsymbol{\sf{m=\dfrac{\Delta y}{\Delta x} \iff m=\dfrac{x_2-x_1}{y_2-y_1} }}\)
We have that the points are:
A (x₁, y₁) = 1, 11B (x₂, y₂) = 3,1We substitute these points in the previous formula and solve:
\(\boldsymbol{\sf{m=\dfrac{x_2-x_1}{y_2-y_1} }}\\ \\ \\ \boldsymbol{\sf{m=\dfrac{1-11 }{3-1} }}\\ \\ \\ \boldsymbol{\sf{m=\dfrac{-10}{5} }}\\ \\ \\ \boxed{\boldsymbol{\sf{m=-5}}}\)
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PLEASE HELP
If a=3, what is the value of 2a to the power of 2?
Answer:
2a×2a
2×2×2×2
16#
This is the answer i think
Answer:Hence, the values of a 2 =9 and 2 a =8.
Step-by-step explanation:a
a^2 =3 ^2
=3∗3
=9.
2 ^a =2 ^3
=2∗2∗2
=8.
Which rhetorical appeal or device does Susan B. Anthony use in the opening of her speech?
Ethos, because she creates trust by calling her audience her friends and fellow citizens to show she's just like them
Irony, because she is saying something that is the opposite of what she means about women's right to vote
Logos, because she presents facts and statistics about women's right to vote
Rhetorical question, because she wants the reader to think about an issue through a question
The rhetorical appeal used by Susan B. Anthony in the speech is Ethos because she creates trust by calling her audience her friends and fellow citizens to show she's just like them.
What is a rhetorical appeal?These are techniques speakers use to prove they are reliable and their words can be tursted as they should be considered to be truth. Some rethorical appeals include:
Ethos: The speaker shows he/she is reliable and due to this the information provided is true.Pathos: The speaker appeals to the emotions of the audience.Logos: The speaker uses logic to prove the main point.What is the rethorical appeal used by the speaker?The appeal used by Susan B. Anthony is the ethos appeal as she starts her speech by saying "Friends and Fellow-citizens: I stand before you to-night, under indictment for the alleged crime of having voted" and the first sentence show she is equal to the men she is talking to which validates her words.
Note: This question is incomplete; here is the missing excerpt:
Friends and Fellow-citizens: I stand before you to-night, under indictment for the alleged crime of having voted at the last Presidential election, without having a lawful right to vote. It shall be my work this evening to prove to you that in thus voting, I not only committed no crime, but, instead, simply exercised my citizen’s right, guaranteed to me and all United States citizens by the National Constitution, beyond the power of any State to deny.
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Mr bailey plans to plant soybeans in 4 of every 9 acres This year he plans to farm 2,100 acres what is a reasonable estimate of the numbers of acres on which he will plant soybeans
A.60 B. 230 C.520 D.930
Option D, which is the closest choice to 933.33, is 930. As a result, 930 fraction acres is a plausible estimate of the amount of acres on which Mr. Bailey will plant soybeans
what is fraction?A fraction is a number that represents a portion of a whole or a ratio between two quantities in mathematics. It is represented as a top number (numerator) over a bottom number (denominator) divided by a horizontal line, also known as a vinculum. The fraction 3/4, for example, represents three-quarters of a whole that has been divided into four equal parts. Proper fractions, improper fractions, and mixed numbers are all ways to express a fraction. A suitable fraction is one in which the numerator is less than the denominator, for example, 2/5.
Mr. Bailey intends to plant soybeans on 4 of every 9 acres, which equates to (4/9) of the total acres he farms.
If he intends to cultivate 2,100 acres, the number of acres planted with soybeans is:
(4/9) x 2,100 = 933.33
We must round this amount to the next whole number because he cannot plant soybeans on a fraction of an acre.
Option D, which is the closest choice to 933.33, is 930. As a result, 930 acres is a plausible estimate of the amount of acres on which Mr. Bailey will plant soybeans.
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what is the value of x in the eqation 3 [2x+5]=3x+4x
Answer:
x = 15
Step-by-step explanation:
3 ( 2x + 5 ) = 3x + 4x
Distribute;
3 ( 2x + 5 ) = 3x + 4x
6x + 15 = 3x + 4 x
Combine like terms;
6x + 15 = 3x + 4x
6x + 15 = 7x
Inverse operations;
6x + 15 = 7x
-6x -6x
15 = x
using the numbers -10 -5/2 -2/5 or 5 to write an expression
Please help. Find the volume of the composite shape
Answer:
volume of entire shape = 80 + 32 = 112 cubic inches
Step-by-step explanation:
area of rectangle = 80 in³
area of square pyramid = 1/3 · b² · h (b = base)
A = 1/3 · 4² · 6 = 16 · 2 = 32 in³
Can someone help me please
Answer:
the second one. (3,-4)(6,-4)
Step-by-step explanation:
Answer:
the answer is B
Step-by-step explanation:
because if you draw the points on a coordinate grid, you will see that there's 3 units between them
32 A bicycle seller found that if he sells
a bicycle for L.E. 1656 , his loss will be 8 %
Find the cost price of the bicycle and find
the selling price that makes him get a profit
of 12 %
Answer:
L.E. 1,800L.E. 2,016Step-by-step explanation:
1. Cost price of bike.
Let cost price be x;
x * (100% - 8%) = 1,656
0.92x = 1,656
x = 1,656/0.92
x = L.E. 1,800
2. Selling price for 12% profit;
= 1,800 * ( 1 + 12%)
= L.E. 2,016
what is the property of 3x(5x7)=(3x5)7
The property you are referring to is called the associative property of multiplication. According to this property, when multiplying three numbers, the grouping of the numbers does not affect the result. In other words, you can change the grouping of the factors without changing the product.
In the equation you provided: 3x(5x7) = (3x5)7
The associative property allows us to group the factors in different ways without changing the result. So, whether we multiply 5 and 7 first, or multiply 3 and 5 first, the final product will be the same.
This is just a question I had.
If Denny (random name) left to another country and he left the Tuesday of this week (June 20) and he left for a month, what day would he be back on? I though July 18 but I’m not sure. Pls help?
Answer:
Step-by-step explanation:
Well, since the length of a month can vary in the number of days, this answer can also vary.
For example, February is only 28 days long, while December is 31 days long.
That being said, the average length of all 12 months is 30.436875 days, so if Denny left to another country on June 20th, he would most likely be back July 19th of July 20th.
I hope this helps!
If 111 people attend a concert and tickets for adults cost $3.5 while tickets for children cost $2.25 and total receipts for the concert was $347.25, how many of each went to the concert?
adults
children
Using equation, the number of children and adult tickets sold are 33 and 78 respectively
How to find number of each tickets?111 people attend the concert and tickets for adults cost $3.5 while tickets for children cost $2.25 and total receipts for the concert was $347.25.
Therefore, the number of ticket sold for adult and children can be calculated as follows :
let
x = number of children ticket sold
y = number of adult tickets sold.
Therefore, the equation that represent the situation is as follows:
2.25x + 3.5y = 347.25
x + y = 111
multiply equation(ii) by 3.5
2.25x + 3.5y = 347.25
3.5x + 3.5y = 388.5
subtract equation(i) from equation(ii)
1.25x = 41.25
divide both sides by 1.25
x = 41.25 / 1.25
x = 33
Hence,
y = 111 - 33
y = 78
Therefore,
number of children ticket = 33
number of adult ticket = 78
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A textbook store sold a combined total of 332 history and chemistry textbooks in a week. The number of chemistry textbooks sold was 84 less than the number of history textbooks sold. How many textbooks of each type were sold?
Answer:
208 history books
124 chemistry books
Step-by-step explanation:
Let a = total number of books
b = number of history books
c = number of chemistry books
a = b + c
We know that a is equal to 332 and c = b - 84
Let's substitute this value to our equation and solve for b first. Now we get:
332 = b + ( b - 84)
332 = 2b - 84
332 + 84 = 2b
416 = 2b
b = 208
Now we can solve for c
332 = 208 + c
332 - 208 = c
c = 124
Now let's check
a = 332
b = 208
c = b - 84 = 208 - 84 = 124
Copy and complete the statement.
1. If HG = HK, then ____ = ____
2. If KHJ = KJH, then ____ = ____
Please add explanation as to why
Answer:
If HG = HK, then HG = HK. This statement is true by definition, as both sides of the equation are equal to the same value.
If KHJ = KJH, then KHJ = KJH. This statement is also true by definition, as both sides of the equation are equal to the same combination of letters.
If 6 people are waiting at a doctor's office for their appointments, in how many different orders can their names be called?
If the people's names are called in random order, what's the probability they'll be called in alphabetically order by last name?
The number of different orders that their names can be called is given as follows:
720 orders.
The probability that their names is called in alphabetically order is given as follows:
p = 1/720.
What is the arrangements formula?The number of possible arrangements of n elements(order n elements) is given by the factorial of n, that is:
\(A_n = n!\)
Hence:
6! = 720.
Only one of the orders is alphabetically, hence the probability is of:
p = 1/720.
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Point A is at (5, 6) on the coordinate plane. It is reflected over the y-axis to create point B. Point A is then reflected over both axes to create point C. What is the area of the triangle that results from connecting the three points?
The area of the triangle which is formed as described is; 60.
What is the area of the triangle formed?According to the task content, when Point A(5,6) is reflected over the y-axis, the point B formed is; (-5,6) and when reflected over both axis, the point C formed is; (-5,-6).
It therefore follows that the length of segments AB and BC which represents the base and height of the triangle formed are; 10 and 12 respectively.
Therefore, the area of the triangle is; (1/2) × 10 × 12 = 60.
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How far does the tip of a minute hand on a clock travel in 15 minutes if the distance from the center to the tip is 8cm? Leave your answers in terms of pi or round your answer to the nearest tenth.
SHOW WORK
The tip of the minute hand on a clock travels a distance of 4π inches in 15 minutes.
How to find the distance of the tip minute handThe distance traveled by the tip of a minute hand on a clock can be calculated using the circumference formula.
The circumference of a circle is given by the formula:
C = 2πr C is the circumference, π is pi (approximately 3.14159) and r is the radius.
The distance from the center of the clock to the tip of the minute hand is the radius is 8 centimeters.
The circumference of the circle traced by the tip of the minute hand is:
\(\text{C} = 2\pi \text{r}\)
\(= 2\pi (8)\)
\(= 16\pi \ \text{centimeters}\)
Since the minute hand travels the full circumference of the circle in 60 minutes, in 15 minutes it will cover 15/60 = 1/4 of the circumference.
The distance traveled by the tip of the minute hand in 15 minutes is:
\(\text{Distance} = \huge \text(\dfrac{1}{4}\huge \text) \times C\)
\(= \huge \text(\dfrac{1}{4}\huge \text) \times (16\pi)\)
\(= 4\pi \ \text{centimeters}\)
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Answer:
4π cm ≈ 12.6 cm
Step-by-step explanation:
The clock can be modelled as a circle, where the radius (r) is equal to the length of the minute hand: r = 8 cm.
A clock face is divided into 12 equal sectors (numbered 1 to 12).
It takes 60 minutes for the minute hand to complete one revolution of the clock. Therefore, each sector represents the passing of 5 minutes.
This means that 15 minutes equals 3 sectors, which is a quarter of the circle.
To find the distance the tip of the minute hand travels in 15 minutes, we need to find a quarter of the circumference of a circle with radius 8 cm.
The formula for the circumference of the circle is C = 2πr, where r is the radius. Therefore, the equation to find the distance the tip of the minute hand travelled in 15 minutes is:
\(\sf Distance=\dfrac{2 \cdot \pi \cdot 8}{4}\)
Simplifying, we get:
\(\sf Distance=\dfrac{16 \cdot \pi}{4}\)
\(\sf Distance=4 \pi\)
Therefore, the minute hand will travel 4π cm or approximately 12.6 cm (to the nearest tenth) in 15 minutes.
Given w = 2+2i, Find w+1/w
Answer:
0
Step-by-step explanation:
w+1/w=(2+2i)+1/(2+2i)
=(2+2i)+(2+2i)-1
=0
find the area of the shaded figure
Answer:
I need degrees and numbers to figure out the answers
What is the value of the expression?
-16+ 12
(A)-28
(B)-4
(C)4
(D)28
Answer:
-16+12= -4
Step-by-step explanation:
When we mins 12 from 16 (16-12) we get 4.
Similarly. When we minus 16 from 12 (12-16) we get -4 because we choose the sign with the greater number.
Todd is moving sand from his driveway to the backyard. The wheelbarrow weighs 30 kilograns ahen it is full of sand. When it is empty, It weighs 12 kilograms. How much sand did Todd move if he filled and emptied the wheel barrow 5 times?
Pls answer fast and ty <3
Answer:
6
Step-by-step explanation:
You divide 30 by five and you get 6 and then you mutiply 6 by 2 and you get 12 kilograms.
So, Todd filled and emptied the wheel barrow 6 times.
Hope this helpes mark brainllest you welcome have a great day! :)