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Masja [62]
3 years ago
6

-10x^2-4x+2=0 real number solutions

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
8 0

Answer:

2 real solutions

Step-by-step explanation:

a=-10, b=-4, c=2

(-4)^2-4x(-10)x2=96

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8+15+4x and 3x+15+3x

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Match the term with the definition
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3 0
3 years ago
Determine how Marilyn’s net pay will be affected if she increases her federal withholding allowances from 3 to 4. a. Her net pay
noname [10]

The missing texts where highlighted in bold format.

Marilyn has a biweekly gross pay of $810 and claims 3 federal withholding allowances. Marilyn has all of the following deductions from her gross pay: federal tax from the following table

Social Security tax that is 6.2% of her gross pay

Medicare tax that is 1.45% of her gross pay

state tax that is 21% of her federal tax

Determine how Marilyn’s net pay will be affected if she increases her federal withholding allowances from 3 to 4.

a. Her net pay will increase by $15.00.

b. Her net pay will decrease by $15.00.

c. Her net pay will increase by $18.15.

d. Her net pay will decrease by $18.15.

Answer:

c. Her net pay will increase by $18.15.

Step-by-step explanation:

From the given information; we can compute the deduction on her gross pay.

given that;

gross pay = $810

Social Security tax that is 6.2% of her gross pay

i.e

\dfrac{6.2}{100} * 810= 50.22

Medicare tax that is 1.45% of her gross pay

= \dfrac{1.45}{100}*810=11.745

state tax that is 21% of her federal tax

we are given that her federal withholding allowance is 3

= \dfrac{21}{100}*3=0.63%

The state tax that is 0.63% of her gross pay

=\dfrac{0.63}{100}*810= 5.103

The total deducted amount of Marilyn’s gross pay = 50.22 + 11.745 + 5.103 = 67.068 of his gross pay

= 810 - 67.068 = 742.932

However; the question proceeds by saying ; if she increases her federal withholding allowances from 3 to 4; we should Determine how Marilyn’s net pay will be affected.

SO;

If the federal withholding allowance is 4

Then;

= \dfrac{21}{100}*4=0.84%

The state tax that is 0.84% of her gross pay

=\dfrac{0.84}{100}*810 = 6.804

Thus; from the foregoing :

c. Her net pay will increase by $18.15.

4 0
4 years ago
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Answer:

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Step-by-step explanation:

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By using Pythagoreans Theorem: a^2 + b^2 = c^2
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