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Stells [14]
3 years ago
12

Please help me with this homework

Mathematics
1 answer:
lianna [129]3 years ago
8 0

Answer:

The third one

y+1=-2(x-3)

Step-by-step explanation:

Solve y+1=-2(x-3)

y+1=-2(x-3) becomes y=-2x+5

Then just graph it.

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Can anyone please help me answer this Math Question ? As soon as possible !!
NNADVOKAT [17]

Igor's taxable income is the difference between the amount

he earns annually and the amount he earns as exemptions.

Response:

  • The amount he pays in annual state income tax is;<u> $1,497</u>

<h3>Which methods are used to calculate income tax?</h3>

Given;

Annual earnings = $57,900

State tax rate = 3%

Amount earned in exemption = $8,000

Required:

The amount Igor pays in annual state income tax.

Solution;

Taxable Income = Annual Income - Exemptions

Therefore;

Igor's taxable income = $57,900 - $8,000 = $49,900

Taxable Income × Tax rate = Amount paid as tax

  • The amount he pays is therefore; $49,900 × 3% = <u>$1,497</u>

Learn more about income tax here:

brainly.com/question/25278778

7 0
2 years ago
I need help solving this equation: Solve x^2-4+1=0
Mamont248 [21]

Answer:

X=3/2 or 1.732

Step-by-step explanation:

X^2-4+1=0

Combine like terms

-4 + 1 = -3

X^2-3=0

add 3 to both sides

X^2= 3

X= 3/2

4 0
3 years ago
X^2-4x+3=0 write it in standard form.
trasher [3.6K]

Answer:

x

=

2

±

√

7

Explanation:

there are no whole numbers which multiply to - 3

and sum to - 4

we can solve using the method of  

completing the square

the coefficient of the  

x

2

term is 1

∙

add subtract  

(

1

2

coefficient of the x-term

) 2  to x2 − 4 x ⇒ x 2 +2(− 2 ) x + 4 − 4 − 3 = 0 ⇒ ( x − 2 )2 − 7 =0 ⇒ ( x − 2 ) 2 = 7

take the square root of both sides

⇒ x − 2 = ± √ 7 ←

note plus or minus

⇒ x = 2 ± √ 7←

exact solutions

4 0
3 years ago
Read 2 more answers
Which table represents a linear function?​
amid [387]
Top, right because the numbers are increasing by the same amount (2 in this case).
5 0
3 years ago
2. P337. 23. A large box contains 10,000 ball bearings. A random sample of 120 is chosen. The sample mean diameter is 10 mm, and
Rashid [163]

Answer:

B is True

A, C. D are false

Step-by-step explanation:

Given :

Sample size, n = 120

Mean diameter, m = 10

Standard deviation, s = 0.24

Confidence level, Zcritical ; Z0.05/2 = Z0.025 = 1.96

The confidence interval represents how the true mean value compares to a set of values around the mean computed from a set of sample drawn from the population.

The population here is N = 10000

To obtain

Confidence interval (C. I) :

Mean ± margin of error

Margin of Error = Zcritical * s/sqrt(n)

Margin of Error = 1.96 * 0.24/sqrt(120)

Confidence interval for the 10,000 ball bearing :

10 ± 1.96 * (0.24) / sqrt(120)

Hence. The confidence interval defined as :

10 ± 1.96 * (0.24) / sqrt(120) is the 95% confidence interval for the mean diameter of the 10,000 bearings in the box.

4 0
3 years ago
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