Answers
Related Questions
What is the difference between change in quantity and change in quantity demanded?
Answers
A change in demand means that the entire demand curve shifts either left or right. A change in quantity demanded refers to a movement along the demand curve, which is caused only by a chance in price.
Find the simplified form of the expression. Give your answer in scientific notation.
(8 x 107) (7 x 104)
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880 x 700
= 616000
=6.16 x 10^5
Find b and c so that y =
2x^2 + bx+c has vertex (0,-2)
b=
C=
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Answer:
Step-by-step explanation:
NEED HELP PLEASE
We described numbers in this lesson using both powers of 10 and using standard decimal value. For example, the speed of light through ice can be written as a multiple of a power of 10, such as (2.3)⋅108 meters per second, or as a value, such as 230,000,000 meters per second. Use the number line to answer questions about points A and B.
Describe point B as:
a. A multiple of a power of 10
____ x 10 ^ ____
b. A value
_______
Describe point A as:
a. A multiple of a power of 10
_____ x 10 ^ _____
b. A value
______
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Answer:
Step-by-step explanation:
B = 2×10⁸
A = 3×10⁸
Please help me if not that’s ight
Answers
Answer:
C
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
2x+y=5 y=x−1 system of equations please show your work
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sub y = x - 1 into equation 1
2x + x - 1 = 5
3x = 6
x = 2
sub x = 2 into equation 2
y = 2 - 1
y = 1
whats an equivalent expression for 4 + 4n
Answers
Answer:
4(1+n)
Step-by-step explanation:
4+4n
4+4n
Factor the polynomial 4+4n by it's GCF: 4
4\left(1+n\right)
4(1+n)
Which expression is equivalent to -6(3x-3)?
O 2x+4
2
-3X-6
O 3 6
-18.X+ 12
- 15x+4
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Lei is icing some cupcakes. She has 3/4 cups of frosting. Each cupcake needs 3/16 cup of frosting. How many can she frost?
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Answer:
4
Step-by-step explanation:
3/4÷3/16
3/4×16/3
3•16=48
4×3=12
48÷12=4
Account (A) is a saving account , the interest earned after 1 year is $12 .If the interest rate is 3.2% for account (A). How much is the principle for account (A) ?3
Answers
Answer:
The principal for the account is $375.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
[tex]E = P*I*t[/tex]
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
The interest earned after 1 year is $12 .If the interest rate is 3.2% for account (A).
This means, respectively, that [tex]t = 1, E = 12, I = 0.032[/tex]
We want to find P.
[tex]E = P*I*t[/tex]
[tex]12 = P*0.032*1[/tex]
[tex]P = \frac{12}{0.032}[/tex]
[tex]P = 375[/tex]
The principal for the account is $375.
Is a rhombus a rectangle.
yes or no
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Answer:
No a rhombus is not a rectangle
Step-by-step explanation:
Zynga and Walmart which balance sheet items does the two have in common
Answers
A design engineer wants to construct a sample mean chart for controlling the service life of a halogen headlamp his company produces. He knows from numerous previous samples that this service life is normally distributed with a mean of 500 hours and a standard deviation of 20 hours. On three recent production batches, he tested service life on random samples of four headlamps, with these results.
Sample Service Life (hours)
1 495 500 505 500
2 525 515 505 515
3 470 480 460 470
1. What is the sample mean service life for sample 2?
a. 460 hours
b. 495 hours
c. 515 hours
d. 525 hours
2. What is the mean of the sampling distribution of sample means for whenever service life is in control?
a. 250 hours
b. 470 hours
c. 495 hours
d. 500 hours
e. 515 hours
Answers
Answer:
1. c. 515 hours
2. c. 495 hours
Step-by-step explanation:
Sample mean:
Sum of all values in the sample divided by the number of values.
1. What is the sample mean service life for sample 2?
Sample 2 has four values, which are:
525 515 505 515
So
[tex]M = \frac{525+515+505+515}{4} = 515[/tex]
The answer is given by option C.
2. What is the mean of the sampling distribution of sample means for whenever service life is in control?
3 samples, 12 total values. We find the mean of all these values. So
[tex]M = \frac{495+500+505+500+525+515+505+515+470+480+460+470}{12} = 495[/tex]
The answer is given by option C.
Solve. h+ 10.6 = -10.6 h= what
Answers
Answer:
h= -21.2
Step-by-step explanation:
Subtract 10.6 from both sides to isolate the h
h + 10.6 = -10.6 - 10.6 -10.6h= -21.2Now lets check the answer
-21.2 + 10.6 = -10.6
-10.6 = -10.6 ✅
I hope this helps!
a building has two sizes of Apartments small irregular the ratio of small apartments to regular Apartments is 14 to 6 what percent of apartments in the building are small
Answers
Answer is in the file below
tinyurl.com/wpazsebu
Is 60.560 an irrational number or rational?
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Answer: ratinal?
Step-by-step explanation:
A heavy rope, 50 ft long, weighs 0.6 lb/ft and hangs over the edge of a building 120 ft high. Approximate the required work by a Riemann sum, then express the work as an integral and evaluate it.
Exercise (a)
How much work W is done in pulling the rope to the top of the building?
Exercise (b)
How much work W is done in pulling half the rope to the top of the building?
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Answer:
Exercise (a)
The work done in pulling the rope to the top of the building is 750 lb·ft
Exercise (b)
The work done in pulling half the rope to the top of the building is 562.5 lb·ft
Step-by-step explanation:
Exercise (a)
The given parameters of the rope are;
The length of the rope = 50 ft.
The weight of the rope = 0.6 lb/ft.
The height of the building = 120 ft.
We have;
The work done in pulling a piece of the upper portion, ΔW₁ is given as follows;
ΔW₁ = 0.6Δx·x
The work done for the second half, ΔW₂, is given as follows;
ΔW₂ = 0.6Δx·x + 25×0.6 × 25 = 0.6Δx·x + 375
The total work done, W = W₁ + W₂ = 0.6Δx·x + 0.6Δx·x + 375
∴ We have;
W = [tex]2 \times \int\limits^{25}_0 {0.6 \cdot x} \, dx + 375= 2 \times \left[0.6 \cdot \dfrac{x^2}{2} \right]^{25}_0 + 375 = 750[/tex]
The work done in pulling the rope to the top of the building, W = 750 lb·ft
Exercise (b)
The work done in pulling half the rope is given by W₂ as follows;
[tex]W_2 = \int\limits^{25}_0 {0.6 \cdot x} \, dx + 375= \left[0.6 \cdot \dfrac{x^2}{2} \right]^{25}_0 + 375 = 562.5[/tex]
The work done in pulling half the rope, W₂ = 562.5 lb·ft
What is the mean for this list of numbers? 19, 22, 24, 45
Answers
Answer:
27.5
Step-by-step explanation:
To find the mean you basically just add all of the numbers then divide by how many there are.
So, for this problem, 19+22+24+45=110
110/4=27.5
Hope this helped!!
Here are two patterns made using identical rhombuses. Without using a protractor, determine the value of a and b. (Remember that all the way around a circle is 360°. Start by finding the measure of angle a in the figure on the left.)
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Answer:
hope it helps
Step-by-step explanation:
have a great day
You have 2 spreads, 5 meats, and 2 kinds of bread. How many different sandwiches can you make using one of each type of ingredient?
A) 9
B) 12
C) 20
D) 40
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Answer:
C)
Step-by-step explanation:
Find AB If AC = 12 and BC = 35
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Answer:
37
Step-by-step explanation:
a² =b²+ç²a²=12²+35²a=√1369a=37What are the vertices of AA'B'C'if AABC is dilated by a scale factor of 2? V ACO, 10) 10 00 6 B(8,6) 4 2 C(4,2) th 2 6 8 10 A. A' (0,5), B'(4,3), C' (2, 1) B. A' (0,10), B' (16,6), C' (8, 2) O C. A' (0,20), B'(8, 12), C'(4,4) D. A'(0,20), B (16,12). C'(8,4) < PREVIOUS Type here to search
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Answer:
[tex]A' = (0,20)[/tex]
[tex]B' = (16,12)[/tex]
[tex]C' = (8,4)[/tex]
Step-by-step explanation:
Given
[tex]A = (0,10)[/tex]
[tex]B =(8,6)[/tex]
[tex]C=(4,2)[/tex]
[tex]k = 2[/tex] --- scale factor
Required
The coordinates of A'B'C'
This is calculated as thus:
[tex]A'B'C' = ABC * k[/tex]
So, we have:
[tex]A' = (0,10) * 2[/tex]
[tex]A' = (0,20)[/tex]
[tex]B' = (8,6) * 2[/tex]
[tex]B' = (16,12)[/tex]
[tex]C' = (4,2)*2[/tex]
[tex]C' = (8,4)[/tex]
Need Help (WILL GIVE BRAINLIEST)
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Answer:
A
Step-by-step explanation:
(y-5) / (7-5) = (x-1) / (2-1)
(y-5) / 2 = x-1
y-5 = 2x -2
y = 2x +3
Find the number of distinguishable permutations of the letters in MISSISSIPPI.
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Answer:
There are 34,650 permutations of the word MISSISSIPPI - www.medium.com
PLEASE HELP ITS DUE IN AN HOUR!!!!!!
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Answer:
3 units to the right of -5
Step-by-step explanation:
A circle has a circumference of 12. It has an arc of length 11.
What is the central angle of the arc, in degrees?
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Answer:
330 degrees
That's the central angle arc
The sum of two numers is 58. The smaller number is 14 less than the larger number. What are the two numbers?
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Bc it equals 58, and 22 is 14 less than 36.
A motorist takes 5 hours
to travel & 300km, how
Long will it take to bravel
720 km at sume
average Speed?
Answers
Answer:
12 hours.
Step-by-step explanation:
A motorist takes 5 hours to travel 300km
This means that his velocity, in km per hour, is given by:
v = 300/5 = 60 km/h
How long will it take to travel 720 km at same average speed?
720 km, 60 an hour. So
720/60 = 12
It will take 12 hours.
The attendance at a baseball game was 400 people. Adult seats sold for $15 and children seats sold for $10. Total ticket sales were $4560. How many of each type of ticket were sold?
Answers
Answer:
112 adult and 288 children
Step-by-step explanation:
x= adult seats
y= children seats
15x + 10y = 4560
x + y = 400 --> y=400-x
so plug 400-x for y in the other equation
15x + 10(400-x)= 4560
now solve this equation
15x + 10(400-x)= 4560 --> 15x + 4000-10x= 4560 --> 15x -10x = 560 --> 5x=560 --> x = 560/5 --> x= 112
now plug in 112 for this equation (x+y=400) --> 112+y=400 --> y= 288
. On a playground, there are 25
children, either riding on seesaws,
two per seesaw, or swinging on tire
swings, three per swing. If the total
number of seesaws and swings
combined is 9, what is the maximum
number of tire swings on the
playground?
A. 1
B. 2
C. 7
D. 8
