Answer:
39ft
Step-by-step explanation:
\(A=wl\\312=8l\\\frac{312}{8} = l\\l=39\)
Hope this helped! Have a good day.
Mofor has homework assignments in five subjects. He only has time to do two of
them.
The decision of which two homework assignments to complete depends on Mofor's individual circumstances and priorities.
If Mofor only has time to do two homework assignments out of the five subjects, he will need to choose which subjects to prioritize. The specific subjects he chooses to work on will depend on various factors such as his strengths, weaknesses, upcoming deadlines, and personal preferences. Here are a few strategies he could consider:
1. Prioritize based on importance: Mofor can prioritize the homework assignments that carry more weight in terms of grades or have upcoming deadlines. This way, he ensures that he completes the assignments that have a higher impact on his overall academic performance.
2. Focus on challenging subjects: If Mofor finds certain subjects more difficult or time-consuming, he can prioritize those assignments to allocate more time and effort to them. This approach allows him to concentrate on improving his understanding and performance in subjects that require extra attention.
3. Balance workload: Mofor can choose to distribute his efforts evenly across subjects, selecting two assignments from different subjects. This strategy ensures that he maintains a balanced workload and avoids neglecting any particular subject.
The decision of which two homework assignments to complete depends on Mofor's individual circumstances and priorities. It is essential for him to consider his academic goals, time constraints, and personal strengths to make an informed decision.
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Olga is using spherical beads to create a border on a picture frame. Each bead has a diameter of 1.5 millimeters. Find the volume of each bead. Round to the nearest tenth.
The Volume of each bead is approximately 1.767 mm^3 when rounded to the nearest tenth.
The volume of each bead, the volume of a sphere using its diameter. The formula for the volume of a sphere is given by:
V = (4/3) * π * r^3
where V is the volume and r is the radius of the sphere.
Given that the diameter of each bead is 1.5 millimeters, we can calculate the radius as half of the diameter:
r = 1.5 mm / 2 = 0.75 mm
Now, we can substitute the value of the radius into the volume formula:
V = (4/3) * π * (0.75 mm)^3
Using the value of π ≈ 3.14 and performing the calculations:
V ≈ (4/3) * 3.14 * (0.75 mm)^3
V ≈ (4/3) * 3.14 * 0.421875 mm^3
V ≈ 1.767 mm^3 (rounded to the nearest tenth)
the volume of each bead is approximately 1.767 mm^3 when rounded to the nearest tenth.
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Student is 19 years old in the world has a population of 6 billion assuming that the population continues to grow in annual rate of 1.4%, predict what the worlds population will be when the student is 73
pls help I don’t understand this
Answer:
-5, 0, 1 , 5
Step-by-step explanation:
What you want to do is find all of the points on the graph:
(-5,-1), (-5,3),(0,3),(1,0),(5,2)
The domain would be -5,-5,0,1,5 because it is in the x-axis.
Look at it as this (-5,-1) (-5,3) (0,3) (1, 0) (5,2)
The numbers in bold are the X-axis which is another word for domain
For example (-5, -1), -5 would be in the X-axis and -1 would be in the Y-axis, It goes "x,y" all the time.
Since there are two -5's on the domain, you just ignore one of the -5's.
Hope this helps!!
Ben bought a house for $78,850 and received a rebate of 15% off. He paid 6% in sales tax. How much did he save?
$525
Step-by-step explanation:
Ben bought the house for $78,850 so 78,850 divided by 0.15 equals 525. So the answer is $525.
There are
6 black counters and 4 white counters in bag A
7 black counters and 3 white counters in bag B
5 black counters and 5 white counters in bag C
Bernie takes at random a counter from bag A and puts the counter in bag B.
He then takes at random a counter from bag B and puts the counter in bag C.
Find the probability that there are now more black counters than white counters in bag C.
The probability that there are now more black counters than white counters in bag C is:
38/55 = 0.6909 = 69.09%.
What is a probability?The probability of an event in an experiment is calculated as the number of desired outcomes in the context of the experiment divided by the number of total outcomes in the context of the experiment.
In this problem, the desired probability is the probability that a black counter is moved to bag C, and there are two possible cases:
Black from A to B(6/10 = 3/5 probability) and Black from B to C(8/11 probability).White from A to B(4/10 = 2/5 probability) and black from B to C(7/11 probability).Hence the probability is:
p = 3/5 x 8/11 + 2/5 x 7/11 = 24/55 + 14/55 = 38/55 = 0.6909 = 69.09%.
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Find the area of the rectangle on this centimetre grid.
Answer:
A = 35 cm²
Step-by-step explanation:
the area (A) of a rectangle is calculated as
A = length × width
by counting the squares on the sides
length = 7 cm and width = 5 cm , then
A = 7 × 5 = 35 cm²
On Monday, one share of a certain stock costs $41.45. On Tuesday, the cost goes up by $0.58. It goes down by $0.26 on both Wednesday and Thursday. On Friday, it goes down by $0.06. Write an expression to represent the cost of one share of the stock on Friday. Then evaluate the expression to find the cost on Friday.
Answer:
The cost of one share of the stock on Friday is $41.45
Step-by-step explanation:
The initial cost of one share of the stock on Monday is $41.45.
On Tuesday, the cost goes up by $0.58, so the cost becomes:
$41.45 + $0.58 = $42.03
On Wednesday, the cost goes down by $0.26, so the cost becomes:
$42.03 - $0.26 = $41.77
On Thursday, the cost also goes down by $0.26, so the cost becomes:
$41.77 - $0.26 = $41.51
Finally, on Friday, the cost goes down by $0.06.
So the expression to represent the cost of one share of the stock on Friday is:
$41.51 - $0.06
To evaluate this expression, we simply subtract $0.06 from $41.51:
$41.51 - $0.06 = $41.45
Therefore, the cost of one share of the stock on Friday is $41.45
What is (f- g)(x)?
f(x)=x^4-x² +9
g(x) = x³ + 3x² + 12
Enter your answer in standard form in the box.
(f-g)(x)
A function is defined as the relationship between input and output, where each input has exactly one output. The inputs are the elements in the domain and the outputs are elements in the co-domain.
Step-by-step explanation:
f(x)= x¹ - x² +9
g(x) = x³ + 3x² + 12
To find (f-g)(x):
The operations on functions are as easy as the operations on numbers or polynomials.
We have to subtract the functions to find the above mentioned operation.
(f-g) (x)= f(x)-g(x)
= (x¹ - x² +9)-(x³ + 3x² + 12)
The minus will change the signs of function g.
I need help, ASAP!! Thank you
Answer:
C) 19
Step-by-step explanation:
The two angles next to each other are complementary angles meaning they add up to 90°. We can use this information to solve for y:
3y + 2 + 31 = 90
3y + 33 = 90
3y = 57
y = 19
A bag contains 10 green,8 blue, and 2 white balls. Naomi seclets 2 balls from the bag at random, one at a time, without replacing them. What is the probability that she selects all two white balls?
E.) 2/95
F.) 1/95
G.) 1/190
H.) 1/380
To find the probability that Naomi selects both white balls, we need to consider the total number of possible outcomes and the number of favorable outcomes.
Total number of outcomes:
Naomi selects 2 balls without replacement, so the total number of outcomes is the number of ways she can choose 2 balls out of the total number of balls in the bag. This can be calculated using combinations:
Total outcomes = C(20, 2) = (20!)/(2!(20-2)!) = (20 * 19)/(2 * 1) = 190
Number of favorable outcomes:
Naomi needs to select 2 white balls. There are 2 white balls in the bag, so the number of favorable outcomes is the number of ways she can choose 2 white balls out of the 2 white balls in the bag:
Favorable outcomes = C(2, 2) = 1
Probability = Favorable outcomes / Total outcomes = 1/190
Therefore, the correct answer is (G) 1/190.
14. Find the greatest common factor (GCF) of 12 and 36.
A. 3
B. 12
C. 24
D.
48
Answer:
B
Step-by-step explanation:
12: 2 2 3
36: 2 2 3 3
GCF 223
The GCF is 2x2x3=12
Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval for a sample of size 315 with 37% successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.
Answer:
The 99% confidence interval is = 0.37 +/- 0.070
= (0.300, 0.440)
Step-by-step explanation:
Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.
The confidence interval of a statistical data can be written as.
p+/-z√(p(1-p)/n)
Given that;
Proportion p = 37% = 0.37
Number of samples n = 315
Confidence interval = 99%
z value(at 99% confidence) = 2.58
Substituting the values we have;
0.37 +/- 2.58√(0.37(1-0.37)/315)
0.37 +/- 2.58√(0.00074)
0.37 +/- 2.58(0.027202941017)
0.37 +/- 0.070183587825
0.37 +/- 0.070
= (0.300, 0.440)
The 99% confidence interval is = 0.37 +/- 0.070
= (0.300, 0.440)
Convert 5x/3 to degrees.
Find ordered pairs y=-7x+8
The ordered pairs for the equation y = -7x + 8 are (0, 8), (1, 1), and (-1, 15).
What are the ordered pairs for the equation y?To find ordered pairs for the equation y = -7x + 8, we can substitute different values of x and solve for y.
Let's choose three values of x:
When x = 0, y = -7(0) + 8 = 8. So one ordered pair is (0, 8).
When x = 1, y = -7(1) + 8 = 1. So another ordered pair is (1, 1).
When x = -1, y = -7(-1) + 8 = 15. So another ordered pair is (-1, 15).
Therefore, the ordered pairs are (0, 8), (1, 1), and (-1, 15).
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3.8×102+1.7×103 giving answer in standard form
Answer: 5.15 x 10^2
Step-by-step explanation:
3.8 x 103 + 1.7 x 103 = 5 x 103 = 515 = 5.15 x 10^2
Luis’s cedar chest measures 4 feet long, 2 feet wide, and 2 ¼ feet high. What is the volume of the chest?
Answer:
\(4 {ft}^{3} \)
Step-by-step explanation:
\(2 \times \frac{1}{4} = 0.5 \\ v = lbh \\ 4 \times 2 \times 0.5 \\ = 8 \times 0.5 \\ = 4 {ft}^{3} \)
The volume of Luis’s cedar chest is 18 cubic feet.
The dimensions of Luis’s cedar chest are length=4 feet, width=2 feet and height=2 1/4 feet.
What is the formula to find the volume of the cuboid?The volume of the cuboid is the measure of the space occupied within a cuboid. The cuboid is a three-dimensional shape that has length, breadth, and height. If we have a rectangular sheet and we go on stacking such sheets, we will end up getting a shape that has some length, breadth, and height.
The formula to find the volume of the cuboid is l×b×h.
Where, l=length, b=breadth or width and h=height.
Now, volume=4×2×2.25=18 cubic feet.
Therefore, the volume of Luis’s cedar chest is 18 cubic feet.
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6x - 2 = 22 need help
Given the equation:
\(6x-2=22\)to find the value of 'x', first we need to move the constant -2 to the other side of the equation. By doing so, the constant will change its sign (since it's substracting), so we would get the following:
\(\begin{gathered} 6x-2=22 \\ \Rightarrow6x=22+2=24 \\ \Rightarrow6x=24 \end{gathered}\)Next, to remove the coefficient of the term 6x, we have to move the 6 to the right side dividing (since it's multiplying the variable x) to get the following:
\(\begin{gathered} 6x=24 \\ \Rightarrow x=\frac{24}{6}=4 \\ x=4 \end{gathered}\)therefore, x = 4
Four different exponential functions are represented below.
Drag the representation of each function into order from greatest y-intercept to least y-
intercept.
The graph of the function y = 2x⁴ - 5x³ + x² - 2x + 4 is plotted and attached.
How to solve
We have the 4 functions as shown in the image attached.
The y - intercept is the point where the graph intercepts the y - axis.
Function [1] -
y = 4 + 2x
y - intercept is 4
Function [2] -
y = 5ˣ + 1
y - intercept is 2.
Function [3] -
the y-intercept is 1.
Function [4] -
the y - intercept is at -1.
Therefore, the greatest y-intercept is of function -
f(x) = 2x + 4
and the least y-intercept is of the function shown in graph [4] or function [4].
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Answer:
Carlos puts $3 into his bank account and it grows by 50% each year
f(x)=4^x+1
(The Table)
(The Graph)
Ashley plants a tree 45cm tall it grows by 10 cm each year. Find the amount ashley gets in the 5th year?
Answer:
95cm
Step-by-step explanation:
45cm is the initial height
each year grow 10cm
growing time 5 years
45+(10 × 5)=95 cm
The amount Ashley gets in the 5th year will be 95 cm.
What is Multiplication?
To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
Given that;
Ashley plants a tree 45cm tall it grows by 10 cm each year.
Now,
Since, In each year the plant grows by 10 cm each year.
So, In 5th year;
The length of plant = 45 + (10 x 5)
= 45 + 50
= 95 cm
Thus, The amount Ashley gets in the 5th year will be 95 cm.
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what are the terms, coefficients, and constants of the following expression?
21x+9y-7z-5
Answer:
coefficent=21,9,7
constant=x,y,z
If a = 17, what is 18a - 89 ?
Answer: 18(a)-89=217
Step-by-step explanation:
If a = 17 then you substitute/replace the a with the 17. Making 18(a) into 18(17). 18(17)= 306 - 89 = 217.
Hope this helped.
Answer:217
Step-by-step explanation:
putting the value of a in the equation.
18×17-89= 217
Find the sum of the first 27 terms
of the arithmetic sequence.
First, fill in the equation.
a₁
= 5 and a27
Sn = 2/(a₁ + an)
Sn
=
[?]
2
+
=
83
Answer:
S₂₇ = 1188
Step-by-step explanation:
using the given formula for \(S_{n}\) , that is
\(S_{n}\) = \(\frac{n}{2}\) (a₁ + \(a_{n}\) )
with a₁ = 5 and \(a_{n}\) = a₂₇ = 83 , then
S₂₇ = \(\frac{27}{2}\) (5 + 83) = 13.5 × 88 = 1188
How do I find the value
A = 139°
B = 139°
You can see A and B are coefficients of each other, which means they have the same angle because they are opposite each other on the straight line. just like the two 41° angles are.
The angle around a point always add up to 360°, so add the 41° angles.
41 + 41 = 82°
Then minus this by 360°.
360 - 82 = 278°
And to work out one angle, which gives you the angle for both, divide 278 by two.
278 ÷ 2 = 139°
Both A and B have an angle of 139°
Example:
To find the value of two intersecting lines, you need to know the equations of both lines. Then, you can set the equations equal to each other and solve for the variable x. This will give you the x-coordinate of the point where the lines intersect. To find the y-coordinate, you can plug the value of x into either equation and solve for y. For example, if one line is y = 3x - 5 and another line is y = -2x + 7, then you can set 3x - 5 = -2x + 7 and solve for x:
3x - 5 = -2x + 7
5x = 12
x = 12/5
Then, plug x = 12/5 into either equation and solve for y:
y = 3(12/5) - 5
y = 36/5 - 25/5
y = 11/5
Therefore, the point of intersection is (12/5, 11/5).
If one of the lines has a given angle, such as 41 degrees, then you can use trigonometry to find its equation. For example, if one line passes through the origin and has an angle of 41 degrees with the positive x-axis, then you can use the slope formula to find its equation:
slope = tan(41 degrees) ≈ 0.87
y = mx + b
y = 0.87x + 0
Then, you can use the same method as before to find the point of intersection with another line.
_______________________________________________________
The answer is 139 degrees, using the method I gave.
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Cookies are sold in singly or in packages of 6 or 18. With this packaging how many ways can you buy 36 cookies?
The ways to pack are
10 singles. One package of 6 and 4 singles. One package of 6 and one packages of 4 Two packages of 4 and 2 singles One package of 4 and 6 singlesThis is further explained below.
What is packaging ?Generally, The science, art, and technology of packaging involves confining or safeguarding goods for distribution, storage, sale, and usage. The process of creating, analyzing, and designing packages is sometimes referred to as packaging.
In conclusion,
10 singles. One package of 6 and 4 singles. One package of 6 and one packages of 4 Two packages of 4 and 2 singles One package of 4 and 6 singlesRead more about packaging
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A person can pay $30 dollars for a membership to the science museum and then go to the museum for just $7 per visit What is the maximum number of visits a member of the science museum can make for a total cost of $ 51 ?
Answer:
3
Step-by-step explanation:
1. cos^2x = sin^2x + 1/2
2. 2cos( π/2 - x) * sin (π/2 + x) - 1 = 0
3. 8sin x/2 * cos x/3 * cosx * cos2x = 1
4. 1 + cosx = cos x/2
x = ±π/6 + πn, ±11π/12 + πn, where n is an integers are solutions of the equation cos²x = sin²x + 1/2
To solve the equation cos²x = sin²x + 1/2, we can use the trigonometric identity sin²x + cos²x = 1.
Rearranging the equation, we have:
cos²x - sin²x = 1/2
Using the identity cos²x - sin²x = cos(2x), we can rewrite the equation as:
cos(2x) = 1/2
The solutions to this equation can be found by taking the inverse cosine (or arccosine) of both sides:
2x = ±π/3 + 2πn, ±11π/6 + 2πn, where n is an integer
Dividing both sides by 2, we get:
x = ±π/6 + πn, ±11π/12 + πn, where n is an integers
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What is the factored form of 5x − 625x4?
Answer:
I think it's 5 I think
Step-by-step explanation:
hopefully I helped
Answer:
I think it's 5
Step-by-step explanation:
Which number does not belong with the other three? Please explain
The number that does not belong with the other three is D. 10 x 9.2 ⁻¹³
Why is the number different from the others ?With the first three numbers, the base of the exponential that is being multiplied by the first number is 10. These numbers are:
2 . 8 x 10 ¹⁵4. 3 x 10 ⁻³⁰1. 05 x 10 ²⁸With the last number however, we see that the base of the exponential is 9. 2 and not 10 like the others. This is why 10 x 9 . 2 ⁻¹³ does not belong with the rest.
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Solve by Factoring:
2x^2 - x - 3 = 0
Answer:
x = 3/2 or x = -1
Step-by-step explanation:
2x² - x - 3 = 0
2*(-3) = -6
Factors of -6:
(-1, 6), (1, -6), (-2, 3), (2, -3)
We need to find a pair that adds up to the co-eff of x which is (-1)
Factors :(2,-3)
2 - 3 = -1
so, 2x² - x - 3 = 0 can be written as:
2x² + 2x - 3x - 3 = 0
⇒ 2x(x + 1) -3(x + 1) = 0
⇒ (2x - 3)(x + 1) = 0
⇒ 2x - 3 = 0 or
x + 1 = 0
⇒ 2x = 3 or x = -1
⇒ x = 3/2 or x = -1