MATHEMATICS HIGH SCHOOL

If you make a weekly salary of $356, what is the maximum monthly rent you can afford? (Assume that there are four weeks in a month.)$398.72

$384.48

$326.76

$302.22

Answers

Answer 1
Answer: Consumer Math: Rule on Rent.

Rent < 28% of Gross Monthly Pay

Weekly pay: 356
Monthly pay : 356 x 4 = 1,424
Maximum monthly rent: 1,424 x 28% = 398.72

First option is the answer. $398.72
Answer 2
Answer:

Answer with explanation:

Weekly Salary of mine= $ 356

Monthly Salary of Mine, if there are four weeks in a month. =$356×4=$1424

We, will use (28)/(36) rule here,which states that ,28% of your monthly income should be used for housing Purposes and 36% of monthly income should be used for Debt Purposes.

So,28% of $1424

  =(28)/(100)*1424\n\n=(28* 1424)/(100)\n\n=(39872)/(100)\n\n=398.72

Option A: $ 398.72

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Cos3x=4cos^3x-3cosx prove

Answers

\bf cos(\alpha + \beta)= cos(\alpha)cos(\beta)- sin(\alpha)sin(\beta)\n\n\n\textit{also recall that }cos(2\theta)=\begin{cases}cos^2(\theta)-sin^2(\theta)\n1-2sin^2(\theta)\n\boxed{2cos^2(\theta)-1}\end{cases}\n\n\nand\qquad sin^2(\theta)+cos^2(\theta)=1\implies sin^2(\theta)=1-cos^2(\theta)\n\n-------------------------------

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Use completing the square to solve (x – 12)(x + 4) = 9 for x.

Answers

OK, here we go
open brackets first,
X²+4x-12x-48=9
x²-8x-48-9=0
x²-8x-57=0
x²-8x=57
x²-8x-4²=57-4²
(x-4)²=57-16
(X-4)²=41
√(x-4)²=+ or -√41
x=4+√41 or x=4-√41
x=4+6.403 or x=4-6.403
x=10.403 or -2.403
x≈ 10.4 or -2.4

A GPA is usually an example of a.

Answers

the answer is grade point average (GPA)

What is a fraction for 2.43?

Answers

2.43
= 2+ 0.43
= 2+ 43/100
= 200/100+ 43/100
= 243/100

The final answer is 243/100~
.43 = 43/100
So it is 2 43/100
If you want an improper fraction, it is 243/100

Solve the equation X^2 +10x+24=0

Answers

Answer:x= -4 and -6

Step-by-step explanation:

To solve the equation x²+10x+24=0, we need to factorize. Factorizing this using the general formula,

x = -b+/-√b²-4ac/2a

Generally, quadratic equation are of the form ax²+bx+c=0

Comparing the coefficients;

a= 1, b=10 and c=24

Substituting this into the general formula,

x = -10+/-√10²-4(1)(24)/2(1)

x = -10 +/-√100-96/2

x = -10 +/-√4/2

x = -10 +/- 2/2

x = -10 + 2/2 and -10-2/2

x = -8/2 and -12/2

x = -4 and -6
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A store advertises a ​% markdown on a dishwasher with a selling price of ​$. Find the sale price. This is the greatest possible markdown that the store can discount the dishwasher without losing money. What does this tell you about the​ cost?

Answers

Complete question :

A store advertises a 20​% markdown on a dishwasher with a selling price of ​$952. Find the sale price. This is the greatest possible markdown that the store can discount the dishwasher without losing money. What does this tell you about the​ cost?

Answer:

$761.60

Step-by-step explanation:

Given that :

Sales price = $952

Markdown % = 20%

Sales price = (100 - 20)% * $952

Sales price = 80% * $952

Sales price = $761.60

If 20% is the greatest possible markdown the store can give without losing money, then the price at which the store purchased the dishwasher is $761.60
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