Answer:
Need more information
Step-by-step explanation:
I need to know what percentage/fraction of the book she read in 1 hour or any other information about the rate she is reading
The sum of three consecutive even integers is 162.
What are the integers?
Answer:
The integers will be: 53,54,55
Step-by-step explanation:
What is the solution to the following system of equations y x2 10x 11?
The solution to the given system of equations y = x² + 10x + 11, y = x² + x - 7 is x = -2, y = -5.
The given set of equations
y = x² + 10x + 11 --- eqn(1)
y = x² + x - 7 --- eqn(2)
Solving the equations by elimination method
⇒ Subtracting eqn 2 from eqn 1, we get
⇒ y - y = x² + 10x + 11 - (x² + x - 7)
⇒ 0 = x² + 10x + 11 - x² - x + 7
⇒ 0 = 9x + 18
⇒ 9x = -18
⇒ x = -2
Put the value of x in eqn 1, and we get
⇒ y = (-2)² + 10(-2) + 11
⇒ y = 4 - 20 + 11
⇒ y = -5
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pls help its urgent!!
(1 point) If f(x) = x2 + 2, find and simplify the following:(a) f(t + 2)(b) f(t^3+ 2) =(d) 3f(t)(e) (f(t))^2 + 2 =
Consider the function f(x) = (x)^2+2 which is equivalent to the given function. In here, we are taking whatever is inside the the parenthesis , we raise it to the power of 2 and then add 2. Note that if we change the x for a t, we will get f(t) = (t)^2+2 which is essencially the same thing.
To solve this question we will use the following formula
\((a+b)^2=a^2+2ab+b^2\)So, now we simply replace and simplify:
\(f(t+2)=(t+2)^2+2=t^2+2t+2^2+2=t^2+2t+4\)\(f(t^3+2)=(t^3+2)^2+2=t^6+2t^3+4+2=t^6+2t^3+6\)\(3f(t)=3(t^2+2)=3t^2+3\cdot2=3t^2+6\)\((f(t))^2+2=(t^2+2)^2+2=t^4+2t^2+4+2=t^4+2t^2+6\)How many liters of a 10% salt solution must be mixed with 5 liters of a 40% salt solution
to give a 15% solution?
6*10^8 is how many times as large as 2*10^3?
Answer:
300000
Step-by-step explanation:
g(x) = -2x^2 Start the independent variable
at-5 and use an increment of 2 to fill in the table
Using the concepts of dependent and independent variable, the table is:
x | g(x)
-5| -50
-3| -18
-1| -2
1| -2
------------------------
In a function g(x), the value of g varies according to the value of x, thus x is the independent variable and g is the dependent variable.Starting at x = -5 and incrementing in 2, we will find g(-5), g(-3), g(-1) and g(1).The function is:
\(g(x) = -2x^2\)
Thus:
\(g(-5) = -2(-5)^2 = -2(25) = -50\)
\(g(-3) = -2(-3)^2 = -2(9) = -18\)
\(g(-1) = -2(-1)^2 = -2(1) = -2\)
\(g(1) = -2(1)^2 = -2(1) = -2\)
Thus, the table is:
x | g(x)
-5| -50
-3| -18
-1| -2
1| -2
A similar problem is given at https://brainly.com/question/1429012
Name the plane represented by each surface of the box.
the top
Answer:
Hello the required image is missing attached below is the missing box
answer : FHGE
Step-by-step explanation:
The plane representing the top surface of the box is FHGE. there are still other planes there but do not represent the entire top surface of the Box and they are : FGE, HGE, FHG and FHE. This is because a plane can be represented by three to four Noncollinear points on a solid like a box.
100 POINTS THE QUESTION IS IN THE PICTURE
Answer:
Eli will finish first.
Step-by-step explanation:
Nora:
egg rolls...... 8x5= 40
time..... 10x5= 50 minutes
Eli:
egg rolls....... 10x4=40
time...... 12x4=48 minutes
Answer:
Eli will finish first.
Use 8/10 and 10/12. This represents how many spring rolls over how many minutes. Make your equations like this: 8/10 = 40/x and 10/12 = 40/x. Find x, which will give you the minutes it takes them to make 40 rolls.
You get x = 50 for the first one and x = 48 for the second. Nora makes 40 rolls in 50 minutes, and Eli makes 40 rolls in 48 minutes. Eli is faster.
Hope this helped! Please mark me brainliest!
Step-by-step explanation:
2 x X x 3 x y simplified
Answer:
6xy
you just multiply our 2 regular numbers and put the x and y there
Answer:
6xy
Step-by-step explanation:
multiply all of them
Find the surface area of a square pyramid with side length 3 cm and slant height 3 cm
Answer:
Step-by-step explanation:
base length b = 3 in
slant height L = 3 in
base area = b² = 3² = 9 in²
lateral area = 4·½bL = 4·½·3·3 = 18 in²
surface area = base area + lateral area = 27 in²
Compare the data from the experiment to the public opinion poll. How does the data collected compare to the media source? Describe the trends in the data and compare the theoretical probability to the empirical probability.
Comparing experiment data to public opinion polls helps evaluate media accuracy, detect biases, and understand the influence on public opinion, while describing data trends and comparing theoretical and empirical probabilities aids in making informed decisions.
Data from an experiment and a public opinion poll have distinct characteristics. Experiment data is obtained through controlled studies, measuring the effects of a variable on another variable. Public opinion polls, however, rely on subjective input from individuals to gauge public sentiment. While both types of data have their significance, comparing the collected data to media sources helps assess accuracy, detect biases, and understand the media's influence on public opinion. Describing trends in the data involves identifying patterns or movements over time, while comparing theoretical probability (calculated mathematically) to empirical probability (based on observed data) aids in understanding likelihoods. These evaluations contribute to obtaining reliable and unbiased data for informed decision-making.In conclusion, comparing the data collected from experiments to public opinion polls allows for the assessment of media accuracy and biases, while analyzing data trends and comparing theoretical and empirical probabilities provides valuable insights for decision-making.
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Given the time series 53, 43, 66, 48, 52, 42, 44, 56, 44, 58, 41, 54, 51, 56, 38, 56, 49, 52, 32, 52, 59, 34, 57, 39, 60, 40, 52, 44, 65, 43guess an approximate value for the first lag autocorrelation coefficient rho1 based on the plot of the series
Answer:
So an approximate value for the first lag autocorrelation coefficient is $\hat{\rho}_1 \ approx 0.448$. This is consistent with the moderate positive linear association observed
Step-by-step explanation:
To estimate the first lag autocorrelation coefficient $\rho_1$, we can create a scatter plot of the time series against its lagged version by plotting each observation $x_t$ against its lagged value $x_{t-1}$.
\
Here's the scatter plot of the given time series:
scatter plot of time series
Based on this plot, we can see that there is a moderate positive linear association between the time series and its lagged version, which suggests that $\rho_1$ is likely positive.
We can also use the formula for the sample autocorrelation coefficient to estimate $\rho_1$. For this time series, the sample mean is $\bar{x}=49.63$ and the sample variance is $s^2=90.08$. The first lag autocorrelation coefficient can be estimated as:
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So an approximate value for the first lag autocorrelation coefficient is $\hat{\rho}_1 \ approx 0.448$. This is consistent with the moderate positive linear association observed
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find the future value of $750 deposited each month at 3.25% for 15 years
Answer:
P=1538.461
Step-by-step explanation:
do it by the formula of
I=PRT, I=750 R=3.25% T=15
please answer this !!!
Emily is buying new cold-weather gear for her family. She pays $100 for 5 pairs of waterproof gloves that each cost the same amount. Four of the pairs of gloves are mittens. Which expression represents the total cost of the 4 pairs of mittens?
5÷100=x
x=20
100-20=80
80= the total cost of the 4 pairs of mittens
What is the value of x? Enter your answer in the box.
Answer:
89
Step-by-step explanation:
Just add the numbers, put them into the formula, and then divide. SO EASY!!!
i NEED HELP ASAP Plot the image of point C under a dilation about point P with a scale factor of 2
the next point will be 5 units right from point C
sorry for being so late!! :))
Answer: plot the point 5 units to the right from C
Step-by-step explanation:
1. Find point c
2. Then go 5 units to the right
3. Plot your point
Giovanna has been named valedictorian for having straight As, which means that her GPA is at least
1.0.
2.5.
3.5.
4.0.
Answer:
D. 4.0
Step-by-step explanation:
For a recent paint job, Josh mixed red and white paint to make two different shades of pink. When the job was done, Josh ended up with leftover paint: 5 gallons of dark pink paint (80% red) and 4 gallons of light pink paint (30% red). Josh wants to make a medium pink color (50% red) to paint his daughter's bedroom. He will need 3 gallons to completely cover the walls. How much of each of the leftover paints should Josh mix to achieve his desired color?
? gallons of dark pink paint
? gallons of light pink paint
Josh should mix 1.2 gallons of dark pink paint and 1.8 gallons of light pink paint to achieve the desired medium pink color.
To find out how much of each leftover paint Josh should mix to achieve a medium pink color (50% red), we can set up a system of equations based on the percentages of red in the paints.
Let's assume that Josh needs x gallons of dark pink paint and y gallons of light pink paint to achieve the desired color.
The total amount of paint needed is 3 gallons, so we have the equation:
x + y = 3
The percentage of red in the dark pink paint is 80%, which means 80% of x gallons is red. Similarly, the percentage of red in the light pink paint is 30%, which means 30% of y gallons is red. Since Josh wants a 50% red mixture, we have the equation:
(80/100)x + (30/100)y = (50/100)(x + y)
Simplifying this equation, we get:
0.8x + 0.3y = 0.5(x + y)
Now, we can solve this system of equations to find the values of x and y.
Let's multiply both sides of the first equation by 0.3 to eliminate decimals:
0.3x + 0.3y = 0.3(3)
0.3x + 0.3y = 0.9
Now we can subtract the second equation from this equation:
(0.3x + 0.3y) - (0.8x + 0.3y) = 0.9 - 0.5(x + y)
-0.5x = 0.9 - 0.5x - 0.5y
Simplifying further, we have:
-0.5x = 0.9 - 0.5x - 0.5y
Now, rearrange the equation to isolate y:
0.5x - 0.5y = 0.9 - 0.5x
Next, divide through by -0.5:
x - y = -1.8 + x
Canceling out the x terms, we get:
-y = -1.8
Finally, solve for y:
y = 1.8
Substitute this value of y back into the first equation to solve for x:
x + 1.8 = 3
x = 3 - 1.8
x = 1.2
Therefore, Josh should mix 1.2 gallons of dark pink paint and 1.8 gallons of light pink paint to achieve the desired medium pink color.
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Elizabeth is going to invest $480 and leave it in an account for 8 years. Assuming the interest is compounded continuously, what interest rate, to the nearest tenth of a percent, would be required in order for Elizabeth to end up with $670?
Answer:
4.2
Step-by-step explanation:
took a bullet for the team
Elizabeth would need an interest rate of 4.25% to make a profit of $670, to the closest hundredth of a percent.
What is compound interest?The interest earned on savings that are computed using both the original principal and the interest accrued over time is known as compound interest. A = P(1 + r/n)^nt, where P is the principal balance, r is the interest rate, n is the number of times interest is compounded annually, and t is the number of years, which is the formula for compound interest.
Given, Elizabeth is going to invest $480 and leave it in an account for 8 years.
from the formula of compound interest
A = P(1 + r/n) ^nt
in our case,
A =670
P = 480
t = 8
Thus,
670 = 480(1 + r)^8
r = 4.25%
Therefore, an interest rate, to the nearest tenth of a percent, would be 4.25% required in order for Elizabeth to end up with $670
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hey guys i need help
Answer:
9 yards
Step-by-step explanation:
from the maple-> end, it is 28 2/6 yards. that means we add the segments that are already there to find how much of 28 2/6 is there between the maple and oak.
11 3/6 + 7 5/6 = 19 1/3
28 2/6 - 19 1/3 = 9
How do I give brainliest I forgot whoever lets me know how I will give them it
I need help plis
thanks
Answer:
y = -3x - 1
Step-by-step explanation:
Let he equation of the line is,
y = mx + b
Here, m = slope of the line
b = y-intercept
Slope 'm' of the line passing through two points \((x_1,y_1)\) and \((x_2,y_2)\) is,
m = \(\frac{y_2-y_1}{x_2-x_1}\)
Slope of the line passing through (-2, 5) and (2, -7) will be,
m = \(\frac{-7-5}{2+2}\)
m = -3
Equation of the line will be,
y = -3x + b
Since, this line passes through (-2, 5),
5 = -3(-2) + b
5 = 6 + b
b = 5 - 6
b = -1
Therefore, equation of the line will be,
y = -3x - 1
Members of a softball team raised $1943.50 to go to a tournament. they rented a bus for $1148.50 and budgeted $53 per player for meals. write and solve an equation which can be used to determine x, the number of players the team can bring to the tournament.
The number of players the team can bring to the tournament are 15
Firstly we need to form the equation. The components of equation based on given information are as follows -
Total amount raised by softball team = Cost of bus + Cost of meal × number of players
Let the number of players be represented with x.
1943.50 = 1148.50 + 53×x
Rewriting the equation
53x = 1943.50 - 1148.50
Performing subtraction to Right Hand Side of the equation
53x = 795
Shifting 75 to Right Hand Side of the equation
x = 795 ÷ 53
Performing division at Right Hand Side of the equation
x = 15
Hence, 15 players the team can bring to the tournament.
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In a class of 60 students, 20 can speak English, 35 can speak French, 20 can't speak neither English, nor French. What number of students speak both English and French?
Answer:
24
Step-by-step explanation:
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What is the slope of a line perpendicular to the given line plz
Answer:
it should be the negative repirocal of -2 so 1/2
Answer:
mPerpendicular= 1/2
Step-by-step explanation:
I need Help Quick!!!
Answer:
150-200
Step-by-step explanation:
Pls help :((. Im really stuck and confused
Step-by-step explanation:
2. AB || CD 2. Def of parallelogram
3. <BAC is congr <DCA 3. alt int angles of parallel lines
4. seg AB is congr seg CD 4. Theorem: opp sides of parallel are congr
5. <s AEB and CED are rt <s 5. Def of perpendicular lines
6. <AEB is congr <CED 6. Theorem: all right angles are congr
7. tr. AEB is congr tr. CED 7. AAS
8. seg. AE is congr seg. CE 8. CPCTC
9. <BEC is a rt < 9. Def of perpendicular lines
10. <AEB is congr <BEC 10. Theorem: all right angles are congr
11. seg BE is congr seg. BE 11. Theorem: congr of seg's is reflexive
12. tr. AEB is congr tr. CEB 12. SAS
13. seg AB congr seg BC 13. CPCTC
Question 2(Multiple Choice Worth 2 points)
(Slope MC)
A restaurant plans to use a new food delivery service. The food delivery service charges $4.98 for every 2 meals delivered, plus a $2.00 service fee. What is the slope of this situation?
2.00
2.49
4.49
4.98
A restaurant plans to use a new food delivery service. The food delivery service charges $4.98 for every 2 meals delivered, plus a $2.00 service fee. The slope of this situation is 4.98. So the correct option is D.
What do you mean by slope?The slope of a line is a measure of its steepness or incline. It is defined as the ratio of the "rise" (the vertical change) to the "run" (the horizontal change) between any two points on the line. The slope is also known as the "gradient" of the line. The slope is usually represented by the letter "m".
There are three types of slopes:
Positive slope: A line with a positive slope rises from left to right. It means that as the x-coordinate increases, the y-coordinate also increases. A line with a positive slope will have a slope value greater than 0, for example, 2/3 or 4/5.
Negative slope: A line with a negative slope falls from left to right. It means that as the x-coordinate increases, the y-coordinate decreases. A line with a negative slope will have a slope value less than 0, for example, -2/3 or -4/5.
Zero slope: A line with zero slope is a horizontal line. It means that the y-coordinate stays the same as the x-coordinate increases. A line with zero slope will have a slope value equal to 0.
Undefined slope: A line with an undefined slope is a vertical line. It means that the x-coordinate stays the same as the y-coordinate increases. A line with an undefined slope will have infinite slope, as the run will be zero, and the rise will be some value.
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