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MAXImum [283]
2 years ago
15

Write a paragraph proof for the following conjecture.

Mathematics
1 answer:
borishaifa [10]2 years ago
5 0

Did you ever get this??

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-4x + 7(x + (-2)) > -18
professor190 [17]
-4x+7x-14
3x-14>-18
3x>-4
X>-4/3
3 0
3 years ago
Solve the system of equations below. <br> 5x + 2y = 9<br> 2x - 3y = 15
riadik2000 [5.3K]

Answer:

(3,-3)

y= -3

x= 3

Step-by-step explanation:

5x+2y=9

2x-3y=15

solve the equation

x=9/5-2/5y

2x-3y=15

substitute the value of x into an equation

2(9/5-2/5y)-3y=15

distribute

18/5-4/5y-3y=15

subtract -4/5 to -3

18/5-19/5y=15

subtract 18/5 from both sides

-19/5=57/5

divide both sides by -19/5

y= -3

substitute the value of y into an equation

x=9/5-2/5(-3)

distribute

x=9/5+6/5

add 9/5 to 6/5

x=3

--------

(3,-3)

--------

3 0
3 years ago
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
A : 98<br> B : 31.1<br> C : 14 <br> D : 9.9<br><br><br> Please help :(
irina [24]

Hope you could understand.

If you have any query, feel free to ask.

4 0
2 years ago
Brenda is selling cakes for a fundraiser. Customer can buy pecan cakes for $7.75 and chocolate cake for $9.50. Brenda sold 39 ca
Stolb23 [73]

Answer:

27 chocolate cake and 12 pecan cake

Step-by-step explanation:

7 0
3 years ago
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