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PtichkaEL [24]
3 years ago
8

Math work 7th grade

Mathematics
1 answer:
dem82 [27]3 years ago
6 0

Answer:

-50

Step-by-step explanation:

since its diving down, take -32 and subtract 18. -50. Lemme know if this helps!

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The U.S. 2010 federal income tax for a single person with taxable income x dollars is f(x) dollars, where T is the function defi
Alika [10]

Part A

What is the 2010 federal income tax for a single person whose taxable income that year was 4000 dollars?

The function is

T(x)=0.1x

so

For x=4,000

substitute

T(x)=0.1*(4,000)

<h2>T(x)=$400</h2>

Part B

What is the 2010 federal income tax for a single person whose taxable income that year was 170000 dollars?

the function is

T(x)=0.28x-6,290.75

For x=170,000

substitute

T(x)=0.28*(170,000)-6,290.75

<h2>T(x)=$41,309.25</h2>

Part C

What is the taxable income for a single person whose 2010 federal income tax was 105000 dollars?

The function is

T(x)=0.28x-6,290.75

For T(x)=105,000

substitute

105,000=0.28x-6,290.75

solve for x

0.28x=105,000+6,290.75

0.28x=111,290.75

<h2>x=$397,466.96</h2><h2 />
6 0
9 months ago
Is 5<br>/12 bigger than 3/7
Illusion [34]
You can figure out if two fractions are bigger by just cross multiplying the numerator and denominator of each fraction.  

\frac{5}{12} \frac{3}{7}

Multiply the 5 and 7, and then the 3 and 12. Be sure to start with the numerator of the first fraction. 
\frac{5}{12} \frac{3}{7}
5 * 7 = 35, 3 * 12 = 36
So \frac{3}{7} is bigger.
5 0
3 years ago
Read 2 more answers
4. CSC X COS X - 2 cos x = 0
Alisiya [41]

Answer:

infinitely many answers, any odd integer n times π/2

ex. π/2, 3π/2, 5π/2

Step-by-step explanation:

we know that cos (π/2) or cos(3π/2) is 0

if one factor is 0, the product is zero, so we will not care about csc(x).

x is any odd integer n times π/2

3 0
3 years ago
1.name two acute angles in the figure
kirill115 [55]

Answer:

There isn't a figure. But Acute angles are less than 90 degrees(they're small than an L). Remember it by saying "cute" things are small so acute

Step-by-step explanation:

6 0
3 years ago
Which expression represents the greatest common factor (GCF) of 70 and 112? A. 2 x 2 x 2 x 7 B. 2 x 2 x 2 x 5 C. 2 x 7 D. 2 x 2
Mekhanik [1.2K]

Answer:

\huge\boxed{C. \ \ GCF = 2 * 7}

Step-by-step explanation:

<u>Firstly, we'll do prime factorization of these numbers.</u>

70 = 2 × 5 × 7

112 = 2 × 2 × 2 × 2 × 7

<u>So, The Greatest Common Factor can be written as:</u>

GCF = 2 × 7    <u>[Since Only one 2 and one 7 is common]</u>

<u></u>

Hope this helped!

<h2>~AnonymousHelper1807</h2>
3 0
3 years ago
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