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Thepotemich [5.8K]
3 years ago
10

Ahmed, Walid and Faisal made $1446 profit from selling used books. If Ahmed to receive double amount of Faisal and Walid to rece

ive triple amount of Faisal. How much does each one receive? any help pls urgent
Mathematics
1 answer:
Strike441 [17]3 years ago
7 0
I would say take that a divided
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What is the inverse of the function f(x) = 2x + 1?
BaLLatris [955]

Answer:

f^{-1} = \frac{x-1}{2}

Step-by-step explanation:

f(x) = 2x+1

<em>Replace it with y</em>

y = 2x+1

<em>Exchange the values of  x and y</em>

x = 2y+1

<em>Solve for y</em>

x = 2y+1

<em>Subtracting 1 from both sides</em>

2y = x-1

<em>Dividing both sides by 2</em>

y = \frac{x-1}{2}

<em>Replace it by </em>f^{-1}

So,

f^{-1} = \frac{x-1}{2}

3 0
3 years ago
Read 2 more answers
Find the taxable income of a married couple with two children, who have a combined income of $75,000.
Dima020 [189]

Answer:

$47,200

Step-by-step explanation:

Given :

The total income of a married couple =  $75,000.

Number of children = 2

Therefore to find the taxable income of  a U.S.  family is given by the following formula ---

taxable income = total income- exemption deduction - standard deduction

We know that exemption deduction for a U.S couple as fixed by the government is $15,600.

And the standard deduction for a U.S couple as fixed by the government is $12,200.

Thus in order to find the taxable income of the couple, use the formula

taxable income = total income- exemption deduction - standard deduction

                          = $75,000 - $15,600 - $12,200

                          = $47,200.

Thus the taxable income is $47,200.

8 0
3 years ago
Solve the system of linear equations by elimination. Check your solution.
gladu [14]

Answer:

x = 3

y = -1

Step-by-step explanation:

(x-y) + (x+y) = 4 + 2

2x = 6

x = 3

sub x=3 into x+y=2

3+y=2

y=2-3

y=-1

Check by subbing x=3 and y=-1 into x-y=4

(3)-(-1) = 3+1 = 4

6 0
2 years ago
Help please asap!! please and thank you
Arlecino [84]
She is not in credit overload because her total is $2240 so she has an extra 15 dollars left from her salary
6 0
3 years ago
Evaluate (x + y)^0 for x = -3 and y = 5.<br><br> 0<br> -1/2<br> 2<br> 1
marysya [2.9K]

Answer:

The answer is 1.

Step-by-step explanation:

You need to evaluate the expression inside the parentheses.

(-3 + 5)⁰

= (2)⁰

= 1

According to the rule, any number raised to the power of 0 is always equal to 1.

5 0
3 years ago
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