Really tired and need help 100 points

The system of equations to find the original number is;a = 3b +1 and (10a + b) - (10b +a) = 45

From the task content;

Hence, the required system of equations is;

On this note, the required numbers can be evaluated from the equations above;

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Step-by-step explanation:

$333 for 18 hours work.

so,

333/18 = $18.50 for a single hour.

how many hours to make $425.50 ?

well, as often as the amount of 1 hour work fits into 425.5 :

425.5 / 18.5 = 23 hours

she will have to work 23 hours to make $425.50.

The number of hours Charlotte has to work the next week to earn $425.50 is 23 hours.

Given that, one week, Charlotte earned $333.00 at her job when she worked for 18 hours.

We need to find how many hours would she have to work the next week to earn $425.50.

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Now, money earned in one hour = 333/18 =$18.5

If she is paid the same hourly wage, to earn $425.50, she has worked for 425.50/18.5 hours

=23 hours

Therefore, the number of hours Charlotte has to work the next week to earn $425.50 is 23 hours.

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Answer:

B. option is the current answer.

Step-by-step explanation:

Standard form here means, the the exponential powers of constants must be arranged in ascending order.

Here,

constant is " a ".

Exponential power ( in ascending order ) = 5, 4, 2, 1

Step-by-step explanation:

he buys 48 bottles for $18.50.

FYI : that means he gets them for

18.5/48 = $0.385416666... per bottle

he sells all 48 bottles for $1.25 per bottle.

that means the revenue (or selling income) is

48 × 1.25 = $60.00

profit is now income minus basic costs :

profit = 60 - 18.5 = $41.50

x-intercept(s): (2, 0)

y-intercept(s): (0, -5)

M= [tex]\frac{5}{2}[/tex]

Answer:

y = 3x - 1 .

Step-by-step explanation:

The general  point-slope form is y = mx + c where m = slope and c is the y-intercept

As we are given the slope and one point we first use the point-slope form:

y - y1 = m(x - x1)

y - 5 = 3(x - 2)

y = 3x - 6 + 5

y = 3x - 1   (Answer).

Answer:

x=2.5, y=-4.33

Step-by-step explanation:

[tex] x = 5 \times cos( - 60) = 2.5[/tex]

[tex]y = 5 \times \sin( - 60) = - 4.33[/tex]

Answer:

The area is 64.

Step-by-step explanation:

First find the area of the simple shape in this case the regtangle so you would do 12 × 6 which equals 72. Then find the area of the shape that is taken away which is a triangle. In order to find the area of the triangle do 8×2÷2 which would equal 8. Finally do 72 - 8 and get your answer of 64.

Answer: On her math test, Elliana gets 6 questions wrong, or 15% of the total questions. How many questions are on the test?

Esplaination: She has 40 questions on the test because she has 40%/100  or 2/5 20x5=100 and 2x20=40

BTW the question is made up and goes togethetr with the bottom.

Answer:

2x+8=11

Step-by-step explanation:

The equation 2x + 8 = 11 would be the answer.

2 (coefficient) ----> it would multiply by the unknown value represented by the common variable "x".

Because in the given situation, it says twice (means 2 multiplied by a number or a number multiplied twice by itself) then multiplication would be the order of operation used between the 2 and x.

The "and" indicates the order of operation addition, as it is proven as the only given options for the answer all equal 11.

Therefore, proving that option A is the answer.

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$21000\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &20 \end{cases}[/tex]

[tex]A=21000\left(1+\frac{0.07}{12}\right)^{12\cdot 20}\implies A=21000\left( \frac{1207}{1200} \right)^{240}\implies A\approx 84813.52[/tex]

Answer:

Step-by-step explanation:

Using the Theorem,

BA*AD=CA*AE

3x+2*6=4x-2*8

18x+12=32x-16

12+16=32x-18x

28=14x

BD= BA+AD

3x+2+6

3(2)+2+6

6+2+6

The best option is to purchase the onion at $1.99.

The cost of any item is defined as the amount paid by the consumer to the seller in the replacement of the item.

Here, the cost of whole onions at $1.99 per pound, cut them yourself, and purchase pre-sliced onions at $2.99 per pound.

The loss = $2.99 - $1.99 = $1

You are giving more amount by $1 for the same onion cutting the onion is not a big task you can cut whole onions with a knife in no time.

Hence, purchase onions at $1.99 to save $1.

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Answer:

Refer the photos above and have a good day

Answer:hope this helps

Step-by-step explanation:

answer would most likely be C

Answer:

32

8

Not enough info

Step-by-step explanation:

4/5 of 40 is 32

40 - 32 = 8

We don't know the total number of marbles in the bag

Answer:

ok no problem first clean your mind

then singing a song ok i

love you

Answer:

y/6=8

Multiply both sides by 6

6y/6) = 8×6

Simplify

y=48

Answer:

A. p=0.42n

Step-by-step explanation:

2.52/6 = $0.42

$0.42 = the cost of one oranges

So,

To find the cost of n oranges you need to multiply it by 0.42

P=0.42 x n

Ex. Find the price of 4 oranges

So you're going to multiply 4 by 0.42 to get the cost of 4 oranges that will equals $1.68

The answer is p=0.42n

Answer:

8%

Step-by-step explanation:

Answer:

66.390

Step-by-step explanation: 66.389 the 9 is thousandths, it rounds up to 66.390

Answer:

1/4 - 8n/5

Step-by-step explanation:

(1/4-3/5n)-n = 1/4 - 3/5 n - 5/5 n = 1/4 - 8/5 n = 1/4 - 8n/5