need help mark brain 30 points

Need Help Mark Brain 30 Points

Answers

Answer 1

Answer:

(6000)(0.03)(5)=$900

(1500)(0.0425)(4)=$255

(580)(0.02)(6)=$69.60

(1200)(0.039)(2.5)=$117


Related Questions

Determine if these matrices are inverses by

calculating AB

B

12

AB =

LC21 C22

C12 =

C11 =

021

C22 =

inverses of one

So the matrices

another

Answers

Answer:

Now calculate BA:

d11= 1

d12= 0

d21= 0

d22= 1

Based on these results, you can conjecture that multiplying a matrix by its inverse IS COMMUTATIVE

Step-by-step explanation:

Egde

For every penny Sam puts into his bank, Tara puts 4 pennies into her bank. If Sam puts 4 pennies into his bank, how many pennies does Tara put into her bank?

Answers

Tara puts 16 pennies into her bank because Tara puts 4 times more pennies than tara

Answer:

bruh its 16 pennies

Step-by-step explanation:

1 penny from same=4 pennies from tara

multiply both sides by 4

sam puts in 4 pennies and tara puts in 16

1x4=4

4x4=16

please help as soon as possible ​

Answers

Answer:

22

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

To find the mean you have to do the sum of all of the numbers divided by the number of days there are (in this case there are 5: Monday, Tuesday, Wednesday, Thursday, and Friday)

So,

23 + 18 + 24 + 15 + 25 = 105

Then,

105/5 = 21

PLEASE HELP ME!!!!!!!! I CANT GET IT! PLEASE HELP QUICKLY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

The length of a rectangle is four times its width. The width of this rectangle is 9 inches less than its length. Find the length and the width of the rectangle.

Answers

You answer would be 27, if I did my maths correct.

You get 27 by doing:

9*4=36

36-9=27

Correct me if I am wrong thank you!

Answer:

At first I got 39 but then I redid it and got 27!

Rewrite the expression with a positive rational exponent simpmplify if possible 8^-5/3

Answers

Answer:

Step-by-step explanation:

hello : here is an solution


Find the least common denominator (LCD) of
3
7
and
5
8

Answers

Answer:

56

Step-by-step explanation:

7 is a prime number

7*8 = 56

The least common denominator is 56

3/7 * 8/8 = 24/56

5/8*7/7 = 35/56

Answer:840  

Step-by-step explanation:

(02.06)
A pair of parallel lines is cut by a transversal:
X
15
80
What is the measure of angle x? (4 points)

Answers

The measurements of an angle X is 80

Find the area of the irregular figure. Round your answer to the nearest hundredth if necessary.

Answers

Answer:

Step-by-step explanation:

Area of the figure = Area of semicircle + area of rectangle

Area of semicircle:

d = 14 mm

r = 14/2 = 7 mm

Area = (1/2)πr²

[tex]=\frac{1}{2}*\frac{22}{7}*7*7\\[/tex]

=11 *7

= 77 mm²

Area of rectangle:

length = 14 mm

Width = 10 mm

Area = length *width

       = 14 * 10

       = 140 mm²

Area of the figure = 77 + 140 = 217 mm²

Marco is going to a local fair. He spends $5 on admission to the fair. He wants to go on rides that cost $0.75 per ride. Write an inequality and solve it to find the maximum number of times Marco can go on the ride if he wants to spend at most $35

Answers

Answer:

(35-5) / 0.75 = amount of times he can ride.

30/0.75 = 40

Does this help?

Step-by-step explanation:

A rectangular prism. A rectangle has a base of 7 inches and height of 3 inches. Another rectangle has a base of 7 inches and height of 4 inches. Another rectangle has a base of 7 inches and height of 5 inches. 2 triangles have a base of 3 inches and height of 4 inches. What is the area of one of the triangular faces? in.2

Answers

Answer:

6 in.2

Step-by-step explanation:

I need help with this please, I’m not sure if I should use the a^2+b^2=c^2

Answers

Answer:

yes, use the Pythagorean theorem

Step-by-step explanation:

it would be 6^2+15^2=c^2

line q goes through points (-3,3) and (-5,-3). At what point does line q cross the y-axis

Answers

Answer:

(0,12)

Step-by-step explanation:

Answer:

-3

Step-by-step explanation:

Find the area of the trapezoid.
4 cm
7 cm
3 cm
3 cm​

Answers

Answer:

35 square cm

Step-by-step explanation:

[tex]area \: of \: trapezoid = \frac{1}{2} (3 + 4 + 3) \times 7 \\ = \frac{1}{2} \times 10 \times 7 \\ = 5 \times 7 \\ = 35 \: {cm}^{2} [/tex]

Choose the function that is graphed below

A. Y=9^x
B. Y=3*3^x
C. Y=3^x

Answers

B (Try it for x=zero)

Answer:

B

Step-by-step explanation:

Write a problem that could be modeled with y = 200(0.9)^x

Answers

Answer:

Step-by-step explanation:

A new TV sells for $200. Every year, the TV loses 10% of the initial value.

HELP ASAP 100 POINTS!!!!


You start with $1000 and every day you will receive the previous day’s total plus an additional $1000 a day for 30 days. How much money will you have after 30 days?




Answers

Answer: After 30 days, you would have $30,000

Step-by-step explanation: The question clearly gives us a progression which is best described as an arithmetic progression, that is, every term (or every day's amount of money) is determined by adding a fixed amount to what you already have from the previous term (or previous day).

In order to determine the amount earned after a given number of days, we will begin by determining a formula that can be suited for calculating all through any given number of days.

The first amount is fixed already, and we shall call that a. So a equals 1000. The amount added to that is 1000, so for day 2, you shall have 1000 plus 1000 which gives you 2000. The amount added we shall call d, so for day one you earned 1000, for day two you earned 1000 plus 1000. For day three you will earn 2000 plus 1000, which gives you 3000.

Having taken day one as a, and each successive 1000 as d, observe the following trend;

Day 1 = a

Day 2 = a + d

Day 3 = a + (3 - 1)d  which gives you a + 2d

Since the first day has been represented by a, the third day shall be less by one common difference which is d. Hence the formula for day n can be expressed as follows;

Day ₙ = a + (n - 1)d

Where n is the number of days, the nth day shall be less by 1 since the term already includes day 1, which is the first term, hence every term shall always be less by 1. In other words, the 30th day (or 30th term) shall be less by 1 shown as follows

Day 30 = 1000 + (30 - 1) 1000

Day 30 = 1000 + (29 x 1000)

Day 30 = 1000 + 29000

Day 30 = 30000

Answer:

You would get 1000 everyday because you would get the previous day, you would have 30,000

Step-by-step explanation:

If 50% of an item is 22.00 what is the original price ?

Answers

Answer:

$44

Step-by-step explanation:

Answer:

44

Step-by-step explanation:

Rewrite using only positive exponents.​

Answers

I’m pretty sure the answer is A

Look at the pic in the corner it’s math

Answers

Answer:

The third one

Step-by-step explanation:

Its because we need to find the number that it has grown.

so we add the number that it grew to the size it was before.

Answer: 1.85 + x = 5.30

Step-by-step explanation: If we know that Ethan planted a tree that was 1.85 meters tall from the start and several years later it's 5.30 meters tall, we know that something must have been added to the 1.85 in order to get 5.30 meters tall. Since we don't know what that value is, we can use x.

X is an example of a variable. A variable is just a letter that represents any number so in this case, it represents how much the tree has grown over a time period of several years.

So we can write this as 1.85 + x = 1.30.

Moore's law states that the maximum number of transistors that can fit on a silicon chip doubles every two years. The function f(x)= 42(1.41) to the X power model the number of transistors, in millions, that can fit on a chip, where X is the number of years since 2000. Using this model, in what year can a chip hold 1 billion transistors?

Answers

Answer:

multiply  42 m by 1.41 = 59.22

59.22 x 59.22 = 3507.0084

3507 = 3 billion

59.22  x 20  = 1 billion

Step-by-step explanation:

Change these times to the 12-hour clock.
07:10
17:30

Answers

07:10 = 7:10 AM
17:30 = 5:30 PM

Answer:

7:10 am

5:30 pm

Math lovers helpppppppppppppppppppppppppppppppppp. I'll mark you the brainlest ​

Answers

Answer:

12.6 = RU

Step-by-step explanation:

Using trig functions

Sin theta = opp/ hyp

sin 37 = RU/ RN

sin 37 = RU / 21

21 sin 37 = RU

12.63811549 = RU

To the nearest tenth

12.6 = RU

The amount of tomato sauce in an 8 oz. can of tomato sauce has a normal distribution with a mean of
8.15 oz. and a standard deviation of 0.07 oz. Which of the following is the 2-score for 7.90 oz.?

Answers

Answer:

The z-score for 7.90 oz. is -3.57

Step-by-step explanation:

Data

mean: 8.15 oz.standard deviation, sd: 0.07 oz.value of interest, x = 7.90 oz.

From definition of z-score:

Z = (x - mean)/sd

Replacing with data:

Z = (7.9 - 8.15)/0.07

Z = -3.57

SDRTYUK243567Iaqwertyh.

Answers

Answer

B, i think

Step-by-step explanation:

Which equation has no solition

Answers

every equation does?

Answer:

Inconsistent equations: No solutions

For instance, 3=3 is a identity equation. A  equation like 3=5 is a conflicting equation, since 3 isn't equivalent to 5. On the off chance that during the time spent tackling a equation you end up with a conflicting equation (accepting you didn't commit an error), at that point the first condition has no arrangements.

Step-by-step explanation:

Part A: The area of a square is (4a2 − 20a + 25) square units. Determine the length of each side of the square by factoring the area expression completely. Show your work. (5 points) Part B: The area of a rectangle is (9a2 − 16b2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. Show your work. (5 points)

Answers

Answer:

(2a -5)²(3a -4b)(3a +4b)

Step-by-step explanation:

There are a couple of factored forms that are used here:

  (a +b)² = a² +2ab +b² . . . . the sign of "2ab" will match the sign of b

  a² -b² = (a -b)(a +b)

__

Part A:

 Since this trinomial is known to be a perfect square, you can find the binomial(s) by looking at the roots of the first and last terms.

  √(4a²) = 2a

  √25 = 5

The factoring is ...

  4a² -20a +25 = (2a -5)²

__

Part B:

This is the difference of perfect squares, so the terms of the factors can be found as in the previous part.

  √(9a²) = 3a

  √(16b²) = 4b

Using the above factored form, we have ...

  9a² -16b² = (3a -4b)(3a +4b)

Please help me I’m terrible at math.

Answers

Answer:

A) 200,000*0.75%=1500*100=150,000

B) 150,000 will be the birds population in 100 years

Jackson at the collectibles fair. He has exactly $8 and will purchase a collectible from a vendor for $5. What percent of his money will Jackson spend on the purchase?

Answers

Answer:

62.5%

Step-by-step explanation:

Total money with Jackson = $8

Money spent for buying collectible  = $5

__________________________________________________

Percentage of any number A with respect to another number B is calculated by multiplying fraction A/B with 100

Numerically A as percentage of b will be expressed as (A/B)100 %

It means that if there are 100 items instead of B item then what will be the value of A.

______________________________________________________

Percentage of money spent = (Money spent for buying collectible /Total money with Jackson)

Substituting the total money and money spent for buying collectible

we have

Percentage of money spent  = 5/8 * 100 = 0.625*100 = 62.5%

Thus, 62.5% percent of his money will Jackson spend on the purchase of collectible.

Select the correct answer.
Which statement describes the situation shown in the graph?

Answers

Answer:

there is no photo??where are the graphs??

If cos omega =
3
5
find tan omega

Answers

Answer:

mmm 30

Step-by-step explanation:

Other Questions
Place parentheses around one operation and two numbers to make this equation true. Then solve it, showing all of your steps. 64 - 8 + 12 x 2 + 9 = 188 Samanthas mom has a koi fish pond at the corner of her backyard. Samantha wanted to install a brick walkway on two sides of the pond. Below is a picture of the pond.a. Create an equation that can be used to solve for the width, x, of the walkway.b. Use any method (other than graphing) to figure out how much the width, x, of the walkway will be. title: from a time for choosing speech, u can find the article in the internet how do i factor the "common factor out of each expression?" ex:12n^6 + 27n^2 - 18 whoever answers correct/ first ill give brainliest hep help me with this please a give brainlist how gets it first and right Apple Inc. designs, manufactures, and markets personal computers and related software. Apple also manufactures and distributes music players (iPod) and mobile phones (iPhone) along with related accessories and services, including online distribution of third-party music, videos, and applications. The following information was taken from a recent annual report of Apple: Property, Plant, and Equipment (in millions): Current Year Preceding Year Land and buildings $ 6,956 $ 4,863 Machinery, equipment, and internal-use software 37,038 29,639 Other fixed assets 5,263 4,513 Accumulated depreciation and amortization (26,786) (18,391) a. Compute the book value of the fixed assets for the current year and the preceding year. Current year book value (in millions) $ Preceding year book value (in millions) $ A comparison of the book values of the current and preceding years indicates that they increased . A comparison of the total cost and accumulated depreciation reveals that Apple purchased $ million of additional fixed assets, which was offset by the additional depreciation expense of $ million taken during the current year. b. Would you normally expect Apple's book value of fixed assets to increase or decrease during the year? Whiplash Ltd. makes a single product and only one type of direct material is used to make this product. Whiplash uses a standard costing system and has provided the following data concerning the production of output in July: Actual number of units of output produced 7,800 units Materials quantity variance $2,609 Favorable (F) Materials spending variance $3,744 Favorable (F) Standard amount of materials used per unit of output 5.0 grams per unit Actual total materials purchased/used 37,830 grams Actual price per gram purchased/used $2.20 per gram Assume there were no beginning or ending inventories of direct materials. The standard price per gram for Whiplash, Ltd. is closest to: Read the sentences from a students essay about The Treasure of Lemon Brown.Gregs father sat endlessly lecturing to him on Gregs need to improve his grades. Greg had his mind on other things.What is the best way to revise the last sentence?add Consequently, before Gregadd Still, before Gregadd Yet before Gregadd However, before Greg Why is raw sewage a major pollutant in some countries but not in developed countries? Select the correct answer.What term describes a species whose removal would affect many other species, both directly and indirectlyA. predator speciesB. Keystone speciesOC. cascading speciesOD. phoresy speciesNext How was Mary treated when she was sent to the East Side?Hidden figures Why is rule of law fundamental to the American legal system? 1. Yo _____________________ saco buenas notas porque no me gusta estudiar para mis clases. (A) mucho (B) nunca (C siempre (D casi If you are rejected for a promotion, you should ask for feedback so you can ________.a.Explain why you are still a better candidate than person being promotedb.Determine whether your supervisor has a personal grudge against youc.Create a professional improvement plan to address the weaknessesd.Beat yourself up over the fact that you didnt address those critiques earlier Implement the function pairSum that takes as parameters a list of distinct integers and a target value n and prints the indices of all pairs of values in the list that sum up to n. If there are no pairs that sum up to n, the function should not print anything. Note that the function does not duplicate pairs of indices What should be added to this photo to support the claim that fruits and vegetables are a healthy alternative to junk food?A a graphic showing the effects of fruits, vegetables, and junk food on the bodyB a quotation from a person who thinks that fruits and vegetables are deliciousC a slogan reminding people where they can purchase healthy snacksD an image showing the most popular kinds of candy and other junk food There are some animals, like bald eagles, that are opportunistic predators. They are as likely to catch a live fish as they are to eat a dead fish that has washed up on shore. True or False Suppose a 3x6 coefficient matrix for a system has three pivot columns. Is the system consistent? Why or why not? Choose the correct answer below. A. There is at least one row of the coefficient matrix that does not have a pivot position. This means the augmented matrix, which will have seven columns, could have a row of the form [Start 1 By 7 Matrix 1st Row 1st Column 0 2nd Column 0 3rd Column 0 4st Column 0 5st Column 0 6st Column 0 7st Column 1 EndMatrix ], so the system could be inconsistent. B. There is at least one row of the coefficient matrix that does not have a pivot position. This means the augmented matrix, which will have seven columns, must have a row of the form [Start 1 By 7 Matrix 1st Row 1st Column 0 2nd Column 0 3rd Column 0 4st Column 0 5st Column 0 6st Column 0 7st Column 1 EndMatrix ], so the system is inconsistent. C. There is a pivot position in each row of the coefficient matrix. The augmented matrix will have seven columns and will not have a row of the form [Start 1 By 7 Matrix 1st Row 1st Column 0 2nd Column 0 3rd Column 0 4st Column 0 5st Column 0 6st Column 0 7st Column 1 EndMatrix ], so the system is consiste Solve for x: 4(x + 2) = 3(x 2) PLEASE HURRY What happened in the U.S between the years 1860 and 1914Pls answer or Ill fail 8 grade