MATHEMATICS HIGH SCHOOL

John consistently saves7/12
of his monthly salary. John's salary has recently been increased by $312.
As a result of the pay raise, John's monthly savings is now $1512. How much was John's salary before
the pay raise?

Answers

Answer 1
Answer:

An equation is formed of two equal expressions. John's salary before the pay raise is $2280.

What is an equation?

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Let the pay of John before the raise be x.

As it is stated that John's pay was increased by $312. And he saves 7/12 of his pay which is equal to $1512. Therefore, the equation that can represent the current saving John has,

(7)/(12)(x+312)=1512\n\n(x+312) = (1512 * 12)/(7)\n\nx+312= 2592\n\nx =2592-312\n\nx = 2280

Hence, John's salary before the pay raise is $2280.

Learn more about Equation:

brainly.com/question/2263981
Answer 2
Answer:

Answer:

2280

Step-by-step explanation:

As in understandable steps,

1512x12 = 18144

18144 / 7

= 2592

2592 - 312

= 2280

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Find the result when 90 is decreased by 35%. 58.5 75.6 60.5 78.5
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A salesman sells cars with prices ranging from $5,000 to $45,000. the histogram shows the distribution of the numbers of cars he expects to sell over the next 10 years. how would the shape of the distribution change if the salesman decides to also deal in cars priced under $5,000 and in cars $45,000 to $50,000 and projects sales of 200 cars in each category?

a. the distribution will exhibit symmetry.

b. the distribution will exhibit a positive skew.

c. the distribution will exhibit a negative skew.

d. the distribution will uniform throughout.

Answers

In the given histogram, the shape of the histogram shows that the shape of the distribution exhibits symmetry (i.e. the shorter bars are to the left and to the right while the longer bars are in the middle). Adding the sales of cars priced under $5,000 and cars priced $45,000 to $50,000 with projected sales of 200 cars for each category will result in adding bars of the same size as the shortest bar to both ends of the histogram. This will not affect the initial shape of the distribution in the histogram as the distribution will still exhibit symmetry. Therefore, the correct answer to the question is "the distribution will exhibit symmetry" (option a).

2r-4/r-2 please help

Answers

(2r-4)/(r-2 )\n \n r-2 \neq 0 \n \nr\neq 2\n\n\n(2r-4)/(r-2 ) =(2(r-2))/((r-2) ) = 2 \n \n
2r-4/r-2 = 2(r-2)/r-2 = 2

When Arjun makes hot cocoa, he adds 20 mL 20 mL20, start text, space, m, L, end text of chocolate syrup for every 3 33 ounces of hot water. Arjun's brother, Eli, adds 45 mL 45 mL45, start text, space, m, L, end text of chocolate syrup for every 6 66 ounces of hot water. Which hot cocoa is more chocolatey? Choose 1 answer: Choose 1 answer: (Choice A) A Arjun's hot cocoa (Choice B) B Eli's hot cocoa (Choice C) C The two cocoas are equally chocolatey.

Answers

Answer:

(Choice B) B Eli's hot cocoa

Step-by-step explanation:

Arjun makes hot cocoa, he adds 20 mL of chocolate syrup for every 3 ounces of hot water.

Ratio of chocolate syrup to hot water = 20 : 3

= 20 / 3

= 6.67

Eli adds 45 mL of chocolate syrup for every 6 ounces of hot water.

Ratio of chocolate syrup to hot water = 45 : 6

= 45 /6

= 7.5

The ratio of Eli's chocolatey hot cocoa is more than Arjun's chocolatey hot cocoa.

The correct answer is B Eli's hot cocoa

Answer: The answer is the B Eli's hot cocoa .

Can somemone help with this one with an explination its one question

Answers

What question is it bro/sis?

What is 90% of 81?
X

Answers

Answer:

72.9

Step-by-step explanation:

Fractions method:

81*(90)/(100) because 90/100 is the same thing as 90%

That gives us 7290/100, from 81*90/100

Simplify: =729/10 = 72.9

Decimals method:

81*9 = 729, add in decimal and that's 72.9

Cross-multiplication:

90    100

?         81

This is read as 90 to 100, (as a ratio) so how many to 81? To solve, cross-multiply - 81*90=7290, then divide by 100 to get 72.9.

This is my first answer , hope it helped!

Answer:72.9

Step-by-step explanation:

Write each percent as a decimal and as a mixed number or fraction in the simplest form.0.35%

Answers

Answer:

0.0035 in decimal form

7/2000 in fraction form

Step-by-step explanation:

math .way helps a lot with problems like this

Answer:

0.0035 in decimal form

7/2000 in fraction form

Step-by-step explanation:

math .way helps a lot with problems like this

Step-by-step explanation:
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