Maria is reading a book that has 237 pages. She
already read some of it last week. She plans to read 30
pages tomorrow. By then, she will be of the way
through the book. How many pages did Maria read
last week?
Answers
Answer:
49 pages
237/3 = 79.
30+49 = 79
Related Questions
The piston stroke depend on * offset
crank angle
B crank radius the crank angle value when the piston at TDC is...... 120 30 0*2pi B the maximum ratio of crank radius to connected length is *
4
0.25-0.3 0.25 0.3
Answers
The crank angle value when the piston is at Top Dead Center (TDC) is 0 radians or 0 degrees. The maximum ratio of the crank radius to the connected length is 0.3.
The crank angle value refers to the angle between the crankshaft and a reference point when measuring the position of the piston. When the piston is at Top Dead Center (TDC), it is at its highest point in the cylinder. The crankshaft is positioned such that the connecting rod is aligned with the crank radius and the piston is at the topmost position. This corresponds to a crank angle value of 0 radians or 0 degrees.
Regarding the maximum ratio of the crank radius to the connected length, this value is given as 0.3. The crank radius is the distance from the center of the crankshaft to the center of the crank pin, and the connected length is the distance from the center of the crank pin to the center of the piston pin. The maximum ratio of 0.3 indicates that the crank radius is 0.3 times the connected length.
It's important to note that these values are specific to the context of the problem statement provided. Different engines or mechanisms may have different values for the crank angle at TDC and the maximum ratio of crank radius to connected length.
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Suppose a 5-minute overseas call costs $5.91 and a 10-minute call costs $10.86. The cost of the call and the length of the call are related. How much would you spend a month if you make overseas calls twice a week?
Answers
Let:
x = duration of each call
y = cost of the call
Since the cost of the call and the length of the call are related. we can model the situation as a linear equation of the form:
\(y=mx+b\)a 5-minute overseas call costs $5.91 and a 10-minute call costs $10.86, so:
\(\begin{gathered} x=5,y=5.91 \\ so\colon \\ 5.91=5m+b \\ --------- \\ x=10,y=10.86 \\ so\colon \\ 10.86=10m+b \end{gathered}\)Let:
\(\begin{gathered} 5m+b=5.91_{\text{ }}(1) \\ 10m+b=10.86_{\text{ }}(2) \end{gathered}\)Using elimination method:
\(\begin{gathered} (2)-(1) \\ 10m-5m+b-b=10.86-5.91 \\ 5m=4.95 \\ m=\frac{4.95}{5} \\ m=0.99 \end{gathered}\)Replace the value of m into (1):
\(\begin{gathered} 5(0.99)+b=5.91 \\ 4.95+b=5.91 \\ b=5.91-4.95 \\ b=0.96 \end{gathered}\)Therefore, the cost as a function of time is:
\(y(x)=0.99x+0.96\)what is -4/48 in decimal
Answers
Answer:
0.083333 is ur answer..
List the domain and range of the relation. {(7. - 6), (4,4), (0, -6), (4,1) (7,6)}
Answers
The domain is all the x values in the relation.
The range is all the y values in the relation.
Note that if you have more then one of a number, you only put one.
Domain: 7, 4, 0
Range: -6, 4, 1, 6
Best of Luck!
a game decreased in price by 1/4 after the reduction it was price at £36 what was the original price
Answers
Aline read a report saying 39% of teachers in the United State were members of a labor union. She wants to test whether this holds true for teachers in her state, so she is going to take a random sample of teachers and see what percent of them are members of a union. Let p represent the proportion of teachers in her state that are members of a union. Write an appropriate set of hypotheses for her significance test.
Answers
Answer:
H0: p= 0.39 vs Ha: p ≠ 0.39
Step-by-step explanation:
She wants to test whether this holds true for teachers in her state.
The test is the formulated into the hypotheses.
The null hypothesis would be
H0: p= 0.39 against the claim Ha: p ≠ 0.39
The null hypothesis tells that the the proportion of teachers in her state that are members of a union is equal to the proportion of teachers in the US that are members of the labor union.
against the claim
That the the proportion of teachers in her state that are members of a union is not equal to the proportion of teachers in the US that are members of the labor union.
PLEASE HELP
You have to create 3 functions to make hills on a grap
Requirements are in the photo.
(ignore graphs)
4. Write equations for three hills that do meet the requirements. Sketch them on one axis. (For the
purposes of this exercise, this is a sketch, so the steepness and minimums and maximums of the
graphs do not need to be exact). (6 points: 1 point for each equation, 1 point for each sketched curve)
Answers
Answer:
Hill 1: F(x) = -(x + 4)(x + 3)(x + 1)(x - 1)(x - 3)(x - 4)
Hill 2: F(x) = -(x + 4)(x + 3)(x + 1)(x - 1)(x - 3)(x - 4)
Hill 3: F(x) = 4(x - 2)(x + 5)
Step-by-step explanation:
Hill 1
You must go up and down to make a peak, so your function must cross the x-axis six times. You need six zeros.
Also, the end behaviour must have F(x) ⟶ -∞ as x ⟶ -∞ and F(x) ⟶ -∞ as x⟶ ∞. You need a negative sign in front of the binomials.
One possibility is
F(x) = -(x + 4)(x + 3)(x + 1)(x - 1)(x - 3)(x - 4)
Hill 2
Multiplying the polynomial by -½ makes the slopes shallower. You must multiply by -2 to make them steeper. Of course, flipping the hills converts them into valleys.
Adding 3 to a function shifts it up three units. To shift it three units to the right, you must subtract 3 from each value of x.
The transformed function should be
F(x) = -2(x +1)(x)(x -2)(x -3)(x - 6)(x - 7)
Hill 3
To make a shallow parabola, you must divide it by a number. The factor should be ¼, not 4.
The zeroes of your picture run from -4 to +7.
One of the zeros of your parabola is +5 (2 less than 7).
Rather than put the other zero at ½, I would put it at (2 more than -4) to make the parabola cover the picture more evenly.
The function could be
F(x) = ¼(x - 2)(x + 5).
In the image below, Hill 1 is red, Hill 2 is blue, and Hill 3 is the shallow black parabola.
when 6 added to a number gives 13 find the number
Answers
Answer:
the number is 9
Step-by-step explanation:
x+6=13
x=13-6
=9
Answer:
x = 7
Step-by-step explanation:
x + 6 = 13
x + 6 - 6 = 13 - 6
x = 7
The formula for the surface area of a cylinder with a radius r and a height h is π times twice the product of the radius and height plus twice the product of π and the square of the radius.
Translate this verbal expression of the formula into an algebraic expression.
Answers
The verbal expression "π times twice the product of the radius and height plus twice the product of π and the square of the radius" can be translated as algebraic expression below:
2πr(r + h)r = radius
h = height
Therefore, π times twice the product of the radius and height plus twice the product of π and the square of the radius can be represented as follows;
(π2rh + 2πr²)π(2rh + 2r²)Find common factors and factorise;
2π(rh + r²)2πr(h + r)Therefore,
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What action represents the "!" symbol on a TI 84 plus CE calculator for a Statistics problem??
Answers
Answer:
The "!" represents a factorial
Step-by-step explanation:
In math, a factorial when there is an ! followed by a number.
For example, 5! = 5 factorial.
To solve factorials, multiply every integer below the number before the factorial, including the number.
5! = 5 x 4 x 3 x 2 x 1 = 120.
Which idea is most directly related to Lamarck’s beliefs about evolution?
Answers
Answer:
make me brinliest
Step-by-step explanation:
he sai that evolution occurs because of changes during lifetime passed onto offspring
It is possible for a single probability density function to be both a uniform distribution and an exponential distribution. 1)Tัrue 2) False
Answers
False. It is not possible for a single probability density function (PDF) to simultaneously represent a uniform distribution and an exponential distribution.
It is not possible for a single probability density function (PDF) to simultaneously represent a uniform distribution and an exponential distribution. These two distributions have distinct characteristics and shapes. A uniform distribution has a constant PDF over a specific interval, indicating equal likelihood for all values within that range. On the other hand, an exponential distribution has a decreasing PDF, indicating a higher likelihood for smaller values and a decreasing likelihood as values increase. These fundamental differences make it impossible for a single PDF to accurately represent both distributions simultaneously.
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2. 8 × - 11 - 3× + 8
please solve this thankyou!!
Answers
Answer:
-54.8 ( in fraction -274/5)Step-by-step explanation:
2.8 × (-11) - 3 × 8 =
-30.8 - 24 =
-54.8 ( in fraction -274/5)
In an analysis of variance study, we consider 3 treatments. We have 4 observations for the first treatment, 5 observations for the second treatment, and 6 observations for the third treatment. What are the degrees of freedom associated with SSE
Answers
In the analysis of variance study, if we consider 3 treatments, in which we have 4 observations for the first treatment, 5 observations for the second treatment, and 6 observations for the third treatment. Then, the degrees of freedom associated with SSE in each case is 2, 3, and 4, respectively.
Degrees of Freedom Associated with SSE
The number of degrees of freedom in statistics refers to the quantity of values that can fluctuate in a statistic's final calculation. Various amounts of data or information can be used to estimate statistical parameters.
In order to find the degrees of freedom associated with SSE in an Analysis of Variance (ANOVA) study, we subtract 2 from the number of observations. In n is the number of observations, then (n-2) gives the degrees of freedom associated with SSE.
Thus, for the first treatment, n = 4
⇒ Degrees of freedom = 4-2
= 2
For the second treatment, n = 5
⇒ Degrees of freedom = 5-2
= 3
For the third treatment, n = 6
⇒ Degrees of freedom = 6-2
= 4
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I need help it’s due in 30 minutes
Answers
Answer:
yeet
Step-by-step
i dont know
1. For each of the following triangles, determine if a’ + b = c´, where a, b, and care
side lengths of the triangle. Explain how you know.
4
A
2
145
ВИs
2
Answers
Answer:
Triangle A:
Side A is 4 and side B is 2, Side C will =6
because in a right angle the hypotenuse or the longest side will always appear directly across from the right angle. and side A and B will always make up a right angle according to the pythagorean theorem to determine a right triangle.
Triangle B:
Side A is 5 and side B is 2, Side C is the square root of 45 or 6.71
because in a triangle the hypotenuse or longest side will alway be across from the two shorter angles. Using the pythagorean theorem to determine if a triangle is a right angle we would do A + B = C. In this case triangle B is not a right angle.
I hope this helps you :)
Step-by-step explanation:
Whats the answer y’all
Answers
The expressions that will give you a difference of 5 are: -3 - (-8) and 1 - (-4).
What is the Difference of Two Expressions?The difference of two expressions is determined by subtracting one from the other.
Find the difference of each of the expressions given to determine which will give us 5.
-3 - (-8)
= -3 + 8
= 5
-2 - 3 = -5 [this is not the same as 5]
1 - (-4)
= 1 + 4
= 5
7 - (-2)
= 7 + 2
= 9
-3 - (-8) and 1 - (-4) will give us a difference of 5.
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Maura spends $5.50 in materials to make a scarf. She sells each scarf for 600% of the cost of materials.
Complete the sentence by selecting the correct word from the drop down choices.
Maria sells each scarf for Choose... ✓ or
Answers
The price that Maura sell each scarf would be =$33. Maura sells each scarf for $33. That is option A.
How to calculate the selling price of each scarf?To calculate the amount of money that Maura spends on each scarf the following is carried out.
The amount of money that she spends on the scarf material = $5.50
The percentage selling price of each scarf = 600% of $5.50
That is ;
= 600/100 × 5.50/1
= 3300/100
= $33.
Therefore, each price that is sold by Maura would probably cost a total of $33.
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PLEASE HELP FAST pleaaaaaaaaaaaaaaaaaaaaaaase
Answers
Answer:
i think the answer is C. 1.5w^2 + 7.5w + 9
find the product (2x^2-3)(4x^2-7)
Answers
Answer:
8 x^4 + -26 x^2 + 21
Step-by-step explanation:
Expand the following:
(2 x^2 - 3) (4 x^2 - 7)
Hint: | Multiply 2 x^2 - 3 and 4 x^2 - 7 together using FOIL.
(2 x^2 - 3) (4 x^2 - 7) = (2 x^2) (4 x^2) + (2 x^2) (-7) + (-3) (4 x^2) + (-3) (-7):
2 4 x^2 x^2 - 3 4 x^2 - 7 2 x^2 - 3 (-7)
Hint: | Combine products of like terms.
2 x^2×4 x^2 = 2 x^4×4:
8 x^4 - 3 4 x^2 - 7 2 x^2 - 3 (-7)
Hint: | Multiply 2 and 4 together.
2×4 = 8:
8 x^4 - 3 4 x^2 - 7 2 x^2 - 3 (-7)
Hint: | Multiply -7 and 2 together.
-7×2 = -14:
8 x^4 - 3 4 x^2 + -14 x^2 - 3 (-7)
Hint: | Multiply -3 and 4 together.
-3×4 = -12:
8 x^4 + -12 x^2 - 14 x^2 - 3 (-7)
Hint: | Multiply -3 and -7 together.
-3 (-7) = 21:
8 x^4 - 12 x^2 - 14 x^2 + 21
Hint: | Group like terms in 8 x^4 - 12 x^2 - 14 x^2 + 21.
Grouping like terms, 8 x^4 - 12 x^2 - 14 x^2 + 21 = 8 x^4 + (-14 x^2 - 12 x^2) + 21:
8 x^4 + (-14 x^2 - 12 x^2) + 21
Hint: | Combine like terms in -14 x^2 - 12 x^2.
-14 x^2 - 12 x^2 = -26 x^2:
Answer: 8 x^4 + -26 x^2 + 21
Answer:
\(8x^{4} - 26x^{2} + 21\)
Step-by-step explanation:
I am assuming the equation is this: \((2x^{2}-3)(4x^{2}-7)\).
We can the distributive property to solve this:
\((2x^{2}-3)(4x^{2}-7)\\= 8x^{4} - 14x^{2} - 12x^{2}+21\\= 8x^{4} - 26x^{2}+21\)
Hazika bought a scarf and a dress. The dress cost 6 times as much as the scarf. The dress costs $141. She gave the cashier $200. How much change did she receive?
Answers
Find the equilibria of the difference equation. Determine the values of c for which each equilibrium is stable. (Enter your answer for x as a comma-separated list. xt+ 1 = cxt / 1 + xt
Answers
The equilibria of the difference equation xt+1 = cxt / 1 + xt are 0 and 1. The equilibrium 0 is stable for all values of c, while the equilibrium 1 is stable for c < 1 and unstable for c > 1.
To find the equilibria of the difference equation, we set xt+1 = 0 and xt+1 = 1. This gives us the equations:
0 = cxt / 1 + xt
1 = cxt / 1 + xt
Solving these equations, we get the solutions xt = 0 and xt = 1.
To determine the stability of the equilibria, we can use the following criterion:
If the derivative of the differential equation at the equilibrium is less than 1, then the equilibrium is stable.
The derivative of the differential equation at xt = 0 is c, and the derivative of the differential equation at xt = 1 is c - 1. Therefore, equilibrium 0 is stable for all values of c, while equilibrium 1 is stable for c < 1 and unstable for c > 1.
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Part B
Question
Use an online graphing tool to find the equation that best models the data in the table.
Enter the correct equation in standard form. Round parameters to the nearest tenth.
Answers
Answer:
y=17.2x²-226.3x+2184.5
Answer question b and c
Question b: find the value of x
Question c: find the value of y
Answers
sin60 = y/25
y = sin60(25)
y = 21.6
y ≈ 22
AJSKASJASJJAJSKJSAKSJAJKS What is x
Answers
15 x 3 = 45
20 x 3 = 60
5 x 3 = x
15 = x
Answer: JAKAJAKAJKAJJAKJJAJSK 15
(Compound Amount and Compound Interest)
Compute for compound amount and interest
1. P20,520 for 3 years and 3 months at 9% compounded quarterly
2. P25,750,25 for 2 years and 5 months at 8 25% compounded monthly
I would really appreciate if someone can get this answer for me please:)
Answers
ok done...........................
Which of the following expressions has a value of 4? A. (16 – 12)2 B. – | – 4 | C. (96 ÷ 8) – 2 to the 3rd power D. 24 – 42
Answers
Answer:
A. (16-12)
Step-by-step explanation:
16-12
Answer
=4
coordinate geometry graph each coordinate with the given verticals determine whether the figure is a rectangle justify your answer using indicate formula
Answers
Question 9.
The graph of the vertices is shown below.
For the figure above to be a rectangle, the two sides must have the same slope. Meaning lines that slope of PQ = slope of RS and slope of QR = slope of PS.
The slope of PQ is
\(\frac{-2-2}{-3--4}=-\frac{4}{1}\)The slope of RS is
\(\frac{4-0}{2-3}=-\frac{4}{1}\)The slope of QR is
\(undefined\)The parallelogram would have been a rectangle is th
Question 10.
Find the area of the triangle below. Be sure to include the correct unit in your answer.
Answers
Answer:
50yds²
Step-by-step explanation:
area of a triangle equals base times height divided by 2
a=20*5/2
a=100/2
a=50yds²
The first two steps in determining the solution set of the system of equations, y = x2 – 6x + 12 and y = 2x – 4, algebraically are shown in the table.
Which represents the solution(s) of this system of equations?
(4, 4)
(–4, –12)
(4, 4) and (–4, 12)
(–4, 4) and (4, 12)
Answers
Answer:
(4,4)
Step-by-step explanation:
The solution set of the system of equations can be found by setting the two equations equal to each other and solving for x.
x^2 - 6x + 12 = 2x - 4
x^2 - 8x + 16 = 0
(x - 4)^2 = 0
x = 4
Since both equations in the system are equal to y, we can substitute x = 4 into either equation to find the corresponding value of y.
y = 2x - 4 = 2(4) - 4 = 4
Therefore, the solution of this system of equations is (4, 4).
Therefore, the correct answer is (4, 4).