Answer:
A
Step-by-step explanation:
washewepshepshepshepshep
What is the solution for the equation
Answer:
b = 0b = 4Step-by-step explanation:
\( \frac{5}{ {3b}^{3} - {2b}^{2} - 5 } = \frac{2}{ {b}^{3} - 2 } \\ 5( {b}^{3} - 2) = 2( {3b}^{3} - {2b}^{2} - 5) \\ {5b}^{3} - 10 = {6b}^{3} - {4b}^{2} - 10 \\ 10 - 10 = {6b}^{3} - {5b}^{3} - {4b}^{2} \\ 0 = {b}^{3} - {4b}^{2} \\ 0 = {b}^{2} (b - 4) \\ \)
b = 0 or b - 4 = 0
b = 0
b = 4
1. Henry's little brother still sleeps in a crib at night. The crib is designed so the mattress can
be lowered as his brother gets older. The top and bottom pieces are parallel to one
another.
Currently, his crib is on Level 1 as shown below. If the m <2 is 42°, find the m <4 and m <7.
m<4=138°
m<7 = 42°
The measures of angle 4 (m<4) and angle 7 (m<7) are 42° and 96°, respectively.
To find the measures of angles 4 and 7, we need to apply some geometric principles. Since the top and bottom pieces of the crib are parallel to each other, we can use the property of alternate interior angles.
Angle 4 (m<4) is formed by a transversal (the line connecting the top and bottom pieces of the crib) intersecting two parallel lines. Given that angle m<2 is 42°, we know that angle 4 is congruent to angle 2. Therefore, m<4 = m<2 = 42°.
Angle 7 (m<7) is formed by a transversal intersecting two parallel lines as well. However, in this case, angle 7 is an exterior angle, which is equal to the sum of the two remote interior angles. The remote interior angles are angles 2 and 4. We know that m<2 = 42° (as given) and m<4 = m<2 = 42° (as explained above). Therefore, the sum of angles 2 and 4 is 42° + 42° = 84°. Since angle 7 is an exterior angle, it is equal to 180° minus the sum of the remote interior angles. Thus, m<7 = 180° - 84° = 96°.
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if x=3,y=-2(negative 2) and z=6,what is 7xyz
Step-by-step explanation:
x = 3
y = - 2
z = 6
Question:\(7xyz\)
Solution,
= 7 × 3 ( - 2 ) × 6
= 21 ( - 2 ) × 6
= - 42 × 6
= - 252
hence the answer is - 252....
Can someone please help me with#6-#8?I'm not sure how to find the answers and graph it in the graphs given.
Answers:
6. Slope = -5/3; y intercept = 57. Slope = -1; y intercept = 28. Slope = 3; y intercept = 0The graphs are below
========================================================
Explanation:
6)
Let's solve for y to get the equation in slope intercept form y = mx+b
\(5x+3y = 15\\\\3y = -5x+15\\\\y = \frac{-5x+15}{3}\\\\y = \frac{-5x}{3}+\frac{15}{3}\\\\y = -\frac{5}{3}x+5\\\\\)
That last equation matches with y = mx+b to get
m = -5/3 = slope
b = 5 = y intercept
To graph this, we plot the y intercept at (0,5). Then move down 5 and to the right 3 to arrive at (3,0) as the second point. This movement is directly tied to the slope. We only need two points to graph a straight line.
---------------------------------
7)
The equation y = -x+2, aka y = -1x+2, is already in slope intercept form
m = -1 = slope
b = 2 = y intercept
Start at (0,2) which is the location of the y intercept. Move down 1 and to the right 1 due to the slope -1/1 = -1. This should move us to the point (1,1). Connect the two points (0,2) and (1,1) with a straight line to finish up the graph.
---------------------------------
8)
We start with the origin (0,0) because the y intercept of y = 3x is 0. It might help to think of y = 3x as y = 3x+0
Then we move up 3 units and to the right 1 unit to get to (1,3) as our next point. Connect the two points with a straight line
slope = 3
y intercept = 0
Once again, the graphs are shown below.
Kwame is given the graph below.
Which of the following best describes the graph?
a quadratic equation with differences of 1, then 2, then 4, ...
an exponential function with a growth factor of 2
a quadratic function with a constant difference of 2
an exponential function with growth factors of 1, then 2, then 4, ..
The best description of the graph is "a quadratic function with a constant difference of 2."
A quadratic function is a function of the form f(x) = ax^2 + bx + c, where a, b, and c are constants. In a quadratic function, the graph forms a parabola.
In the given graph, if the differences between consecutive points on the graph are constant and equal to 2, it indicates a constant difference in the y-values (vertical direction) as the x-values (horizontal direction) increase. This is a characteristic of a quadratic function.
On the other hand, an exponential function with a growth factor of 2 would result in a graph that increases at an increasing rate, where the y-values grow exponentially as the x-values increase. This is not observed in the given graph.
Therefore, based on the information provided, the graph best represents a quadratic function with a constant difference of 2.
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58 children go into the hall for a concert. There are six seats in a row. How many rows are needed to seat everyone?
To seat all 58 children in the hall for the concert, 10 rows are needed.
1. Determine the number of children per row: Since there are 6 seats in a row, each row can accommodate 6 children.
2. Divide the total number of children by the number of children per row: Divide 58 (the total number of children) by 6 (the number of children per row).
58 ÷ 6 = 9 with a remainder of 4
This means that 9 full rows can be formed, and there will be 4 children left after the last full row.
3. Check if there are any remaining children: Since there are 4 children remaining, they cannot form a complete row by themselves.
4. Calculate the number of rows needed: Add 1 to the number of full rows to account for the remaining children.
9 full rows + 1 row for the remaining children = 10 rows in total.
Therefore, to seat all 58 children in the hall for the concert, 10 rows are needed.
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A hiker is at an elevation of 238 feet above sea level. He climbs downward until his elevation has decreased by 144 ft. Which expression can be used to determine his current elevation above sea level?
Answer:
Based on the given conditions, formulate:
238
−
144
Calculate the sum or difference:
94
get the result:
94
Answer: Step-by-step explanation:
2.
Find the number of possibilities:
A team of 17 softball players needs to choose three players to refill the water cooler.
272
680
4080
Answer:
4080
Step-by-step explanation:
To estimate 179% of 41 by rounding, use the expression
.
Using the distributive property, the expression is equivalent to
.
179% of 41 is about
The estimate of 179% of 41 by rounding is about 73.19.
To find this estimate, first convert the percentage to a decimal by dividing it by 100: 179/100 = 1.79. Then, multiply this decimal by 41: 1.79 * 41 = 73.39.
Since we are rounding, we round this value to the nearest whole number, which is 73. Therefore, the direct answer is 179% of 41 is about 73.When estimating by rounding, we look at the decimal places. In this case, the hundredth place is 3. Since 3 is less than 5, we round down. Hence, the estimate is 73.19. It is important to note that rounding introduces some degree of error, as the actual value is 73.39. However, for most practical purposes, an estimate provides a close approximation that is quick and easy to calculate.For more similar questions on whole number
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Despite having developed a reputation as a good cook, I'm really not one. What I am is a really good recipe follower. I put my trust in real chefs whose recipes are posted here on Recipe Masters. Turns out, though, my trust was misplaced. Sadly, my weekly supper club dinner that featured a Recipe Masters recipe for meatball sub casserole turned into a pizza delivery night. If after reading this review, any of my fellow Recipe Masters subscribers are still set on trying this casserole recipe, here is my advice: Stop after the first step, when the sauce turns into an un-stirrable glob. Don't do as I did and continue on, believing things will improve. They won't. Following this recipe is a recipe for disaster. My advice for Recipe Masters is to ensure that recipes posted here are "tried and true," as advertised. We subscribers pay a fee for access to "top-notch, no-fail recipes." If we lose faith in your recipes, we might just turn to the free recipe sites all over the internet. Which sentence best summarizes the author's point of view about the casserole recipe posted on Recipe Masters?
The author of the review is disappointed with the meatball sub casserole recipe posted on Recipe Masters, which did not turn out well despite following the recipe.
The author recommends that others should not attempt to make the recipe and believes that Recipe Masters should ensure that their posted recipes are reliable and thoroughly tested. The author also implies that the quality of the recipes on Recipe Masters is not as advertised, which could potentially lead subscribers to lose faith in the service and seek out free recipe sites instead.
Therefore, a suitable summary of the author's point of view would be: The author is dissatisfied with the meatball sub casserole recipe on Recipe Masters, which did not work out well and believes that Recipe Masters should provide reliable, thoroughly tested recipes as advertised.
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Drag the prisms to the table in order from least volume to greatest volume.
Fourth prism, first prism, second prism and fourth prism is order from least volume to greatest.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
The volume of first prism with sides 2, 1.5 and 3.2
Volume=2×1.5×3.2
=9.6 in³
The volume of second prism with sides 1.5, 1.5 and 6
Volume=1.5×1.5×6
=13.5 in³
The volume of third prism with sides 2, 5/2 and 7/2
Volume=2×2.5×3.5
=17.5 in³
The volume of fourth prism with sides 1/2, 1/2 and 1/2
Volume=0.5×0.5×0.5
=0.125 in³
Hence fourth prism, first prism, second prism and fourth prism is order from least volume to greatest.
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Here is the feasible region.
28
А
52 + 8y 120
B
y 5
What are the coordinates of vertex A?
Enter your answer in the boxes
Answer:
A(8, 10)
Step-by-step explanation:
Vertex A is on the vertical line x=8, so we can find the y-coordinate by solving the boundary equation ...
5x +8y = 120
5(8) +8y = 120 . . . use the x-value of the vertical line
5 + y = 15 . . . . . . . divide by 8
y = 10 . . . . . . . . . . subtract 5
Point A is (8, 10).
1) Convert 2-7i to trigonometric form
2) Use the n-th roots theorem to find the requested roots of the given complex number.
Find the cube roots of 125
Answer:
1) \(\sqrt{53}(\cos286^\circ+i\sin286^\circ)\)
2) \(\displaystyle 5,-\frac{5}{2}+\frac{5\sqrt{3}}{2}i,-\frac{5}{2}-\frac{5\sqrt{3}}{2}i\)
Step-by-step explanation:
Problem 1
\(z=2-7i\\\\r=\sqrt{a^2+b^2}=\sqrt{2^2+(-7)^2}=\sqrt{4+49}=\sqrt{53}\\\\\theta=\tan^{-1}(\frac{y}{x})=\tan^{-1}(\frac{-7}{2})\approx-74^\circ=360^\circ-74^\circ=286^\circ\\\\z=r\,(\cos\theta+i\sin\theta)=\sqrt{53}(\cos286^\circ+i\sin 286^\circ)\)
Problem 2
\(\displaystyle z^\frac{1}{n}=r^\frac{1}{n}\biggr[\text{cis}\biggr(\frac{\theta+2k\pi}{n}\biggr)\biggr]\,\,\,\,\,\,\,k=0,1,2,3,\,...\,,n-1\\\\z^\frac{1}{3}=125^\frac{1}{3}\biggr[\text{cis}\biggr(\frac{0+2(2)\pi}{3}\biggr)\biggr]=5\,\text{cis}\biggr(\frac{4\pi}{3}\biggr)=5\biggr(-\frac{1}{2}-\frac{\sqrt{3}}{2}i\biggr)=-\frac{5}{2}-\frac{5\sqrt{3}}{2}i\)
\(\displaystyle z^\frac{1}{3}=125^\frac{1}{3}\biggr[\text{cis}\biggr(\frac{0+2(1)\pi}{3}\biggr)\biggr]=5\,\text{cis}\biggr(\frac{2\pi}{3}\biggr)=5\biggr(-\frac{1}{2}+\frac{\sqrt{3}}{2}i\biggr)=-\frac{5}{2}+\frac{5\sqrt{3}}{2}i\)
\(\displaystyle z^\frac{1}{3}=125^\frac{1}{3}\biggr[\text{cis}\biggr(\frac{0+2(0)\pi}{3}\biggr)\biggr]=5\,\text{cis}(0)=5(1+0i)=5\)
Note that \(\text{cis}\,\theta=\cos\theta+i\sin\theta\) and \(125=125(\cos0^\circ+i\sin0^\circ)\)
What is the vertex of the absolute value function below? (4, –1) (1, –4) (1, 4) (4, 1)
Answer:
(4,1)
Step-by-step explanation:
D on edge
the highest point
write limits of integration for the integral , where is the half cylinder shown, if the length of the cylinder is 3 and its radius is 1.
The limits are : Limits y = \(-\sqrt{9-z^2} \leq y\leq 0\) and Limits z = \(-3 \leq z\leq 3\).
The volume of a cylinder is the capacity of the cylinder, which calculates how much matter it can hold. In geometry, there is a specific formula for calculating the volume of a cylinder, which measures the amount of liquid or solid that can be uniformly immersed in it. A cylinder is a three-dimensional shape with two congruent and parallel identical bases. There are different types of cylinders. They are:
(1) Right cylinder: a cylinder with a circular base and of which each line segment constituting the lateral surface is perpendicular to the base.
(2) Inclined Cylinder: A cylinder whose sides are inclined at an angle not equal to a right angle to the base.
(3) Elliptical cylinder: a cylinder with an elliptical base.
(4) Straight hollow cylinder: Cylinder made up of two straight cylinders, one inside the other.
According to the question:
The cylinder has the equation y² + z² = 1 (with x in [0, 2]).
So, we can write the volume 1 dV as (x = 0 to 2) (z = -1 to 1)(y = -a(1 - z²) to a(1 - z²)) 1 dy dz dx.
y-axis in left: y²+ z² =9
y-axis in the plane: y =0
The left part of the circle is :
\(-\sqrt{9-z^2} =y\)
Limits y : \(-\sqrt{9-z^2} \leq y\leq 0\)
Limits z : \(-3 \leq z\leq 3\)
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X^2+2xy-2y^2+x=2 find gradient at point (-4,1)
Therefore , the solution to the given problem of slope intercept comes out to be dy/dx = -1/2.
A slope-intercept form is precisely what?After you are certain if Y = mx + b, the gradient intercept approach can be employed. By using just one particular point on the line and its slope, the direction form is a way to represent an axiom for a line. The slope is defined as such rise across run and is represented first by point form (x,y), and may be calculated using the slope intercept method, y = mx + b. (0, b). By using just one specific statement on the vector and its slope, the direction form is a technique to write a linear model for a line.
Here,
Given : x² +2xy - 2y² +x =2
thus,
To find the gradient at point (-4,1) :
We have to find the dy/dx
so,
=> 2x + 2y + 2xdy/dx -2ydy/dx +1 =0
=> dy/dx (2x-2y) = -(2x+ 2y) -1
=>dy/dx = -(2x+2y) -1 / (2x-2y)
So , at the point (-4,1)
=> dy/dx = -(-8 + 2) -1 / (-8 -2)
=>dy/dx = 5/-10
=>dy/dx = -1/2
Therefore , the solution to the given problem of slope intercept comes out to be dy/dx = -1/2.
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phillip plays mario kart every 10 days and wii sports every 14 days. when will be the first time he plays both games on the same day?
Answer:70
Step-by-step explanation:
LCM (Least Common Factor)
Just count by 10 and 14
10,20,30,40,50,60,70,80,90,100
14,28,42,56,70
If x = 4 and y = 3, then xy – 2x = A 4 B 6 C 19 D 40
Answer:
A) 4
Step-by-step explanation:
Plug in the value for x and y.
(4 x 3) - 2(4)
12 - 8 = 4
What is 5 1/3% converted into a fraction?
Answer: \(\frac{4}{75}\)
To Know: A percent (%) divided by 100 becomes a decimal / fraction.
Step-by-step explanation:
\(5\frac{1}{3}\)% \(/100\)
\(5\frac{1}{3}\)%\(*\frac{1}{100}\)
\(\frac{16}{3}\)%\(*\frac{1}{100}\)
\(\frac{16*1}{3*100} =\frac{16}{300} =\frac{8}{150}=\frac{4}{75}\)
Leaving us with an answer of \(\frac{4}{75}\)
There are 15 girls and 12 boys in Ms. Grady's 6th period class. Ms. Grady
will randomly choose one student to solve a problem on the board. What
is the probability Ms. Grady will choose a girl to work out the problem on
the board? *
4/5
5/9
4/9
2/3
Answer:
5/9
Step-by-step explanation:
Step 1:
15 + 12
Step 2:
27
Step 3:
15/27
Step 4:
15/27 = 5/9
Answer:
5/9
Hope This Helps :)
Suppose that ƒ is a function given as f(x) = 4x² + 5x + 3.
Simplify the expression f(x + h).
f(x + h)
Simplify the difference quotient,
ƒ(x + h) − ƒ(x)
h
=
Submit Question
The derivative of the function at x is the limit of the difference quotient as h approaches zero.
f(x+h)-f(x)
f'(x) =lim
h→0
h
ƒ(x + h) − f(x)
h
=
Answer:
f(x +h) = 4x² +4h² +8xh +5x +5h +3
(f(x+h) -f(x))/h = 4h +8x +5
f'(x) = 8x +5
Step-by-step explanation:
For f(x) = 4x² +5x +3, you want the simplified expression f(x+h), the difference quotient (f(x+h) -f(x))/h, and the value of that at h=0.
F(x+h)Put (x+h) where h is in the function, and simplify:
f(x+h) = 4(x+h)² +5(x+h) +3
= 4(x² +2xh +h²) +5x +5h +3
f(x +h) = 4x² +4h² +8xh +5x +5h +3
Difference quotientThe difference quotient is ...
(f(x+h) -f(x))/h = ((4x² +4h² +8xh +5x +5h +3) - (4x² +5x +3))/h
= (4h² +8xh +5h)/h
(f(x+h) -f(x))/h = 4h +8x +5
LimitWhen h=0, the value of this is ...
f'(x) = 4·0 +8x +5
f'(x) = 8x +5
__
Additional comment
Technically, the difference quotient is undefined at h=0, because h is in the denominator, and we cannot divide by 0. The limit as h→0 will be the value of the simplified rational expression that has h canceled from every term of the difference. This will always be the case for difference quotients for polynomial functions.
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What is the effective annual rate for an APR of 15.80 percent compounded monthly?
Plz help me i will give u 50pts^_^ and brainliest<3
Answer:
y/x^2=-2x+3
Step-by-step explanation:
Choose the correct graph of the function y=√x-3
Answer:
C. where the start point is on (3,0) and goes up and to the right
Step-by-step explanation:
y= √x−3
Swap sides so that all variable terms are on the left hand side.
√x−3 =y
Square both sides of the equation.
x−3=y^2
Add 3 to both sides of the equation.
x−3−(−3)=y^2 −(−3)
Subtracting −3 from itself leaves 0.
x=y^2 −(−3)
Subtract −3 from y^2.
x=y^2 +3
Do the ratios
8
16
and
12
24
form a proportion?
Answer:
yes and no
Step-by-step explanation:
Thus, the ratios 6 : 8 and 12 : 16 are equal. Therefore, they form a proportion. Thus, the ratios 24 : 28 and 36 : 48 are unequal. Therefore, they do not form a proportion.
In trapezoid PQRS, the lengths marked
are in feet. What is the area of the
trapezoid in square feet?
S
5
3
P 10
F.
44
G. 50
H. 62.5
J. 88
K. 100 dion
12
Q
R
The areas of the trapezoid is 50 units².
How to find the area of a trapezoid?The trapezoid PQRS have bases 10 and 12 units respectively. The height of the trapezoid is unknown. Let's find the area of the trapezoid as follows:
area of trapezoid = 1 / 2 (a + b)h
where
a and b are the basesh = height of the trapezoidTherefore,
a = 10 units
b = 15 units
Using Pythagoras's theorem,
5² - 3² = h²
h = √25 - 9
h = √16
h = 4 units
area of trapezoid = 1 / 2 (10 + 15)4
area of trapezoid = 1 / 2 × 25 × 4
area of trapezoid = 100 / 2
area of trapezoid = 50 units²
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HELP ME PLEASE WITH THIS I CANT FIGURE THE REST OUT
To prove that LMNO is a parallelogram, you need to show that both pairs of opposite sides are parallel.
What is parallelogram?In geometry, a parallelogram is a four-sided polygon in which opposite sides are parallel and congruent, and opposite angles are congruent. It is a special type of quadrilateral, which includes squares, rectangles, and rhombuses.
From the given information that LM || ON and LO || MN, you can use the converse of the Alternate Interior Angles Theorem to show that the corresponding angles are congruent.
Then, you can use CPCTC (corresponding parts of congruent triangles are congruent) to show that the opposite sides are parallel.
The proof should involve statements and reasons, as well as a clear logical flow of steps.
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Cassandra drew a rectangle that was 14 foot long and 712 foot wide. What is the area of the rectangle Cassandra drew
Answer:
The area of the rectangle is 9,968
Step-by-step explanation:
Area of a rectangle is length(L) times Width(W)
14(Length) x 712(Width) = 9,968(Area)
KM and NP are parallel lines.
Which angles are alternate exterior angles?
Answer:
<MLJ and <NOQ
Step-by-step explanation:
Alternate exterior angles are angles that lie outside of the two parallel lines that are cut across by the transversal line, and are also alternating each other along the transversal
Considering the image and the options given, <MLJ and <NOQ are exterior angles that alternate each other. Therefore, they are alternate exterior angles.
URGENT!! ILL GIVE BRAINLIEST! AND 100 POINTS
Number of car sold are 98.
Number of trucks sold are 66.
Given,
Dealer 1 sold 164 cars and trucks and dealer 2 sold 229 cars and trucks .
Let number of cars sold are x.
Let number of cars sold of y .
Now,
For dealership 1 equation will be,
x + y = 164 ......(1)
For dealership 2 equation will be,
As the cars are sold twice and trucks are sold half .
2x + y/2 = 229......(2)
Solving 1 and 2,
y = 66
x = 98
Thus number of car sold are 98.
Thus number of trucks sold are 66.
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