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Natasha_Volkova [10]
3 years ago
12

Kaitlin earns $16 per hour tutoring students after school. If Kaitlin tutored for 19.5 hours this month, how much money did she

earn this month?
Mathematics
1 answer:
Sidana [21]3 years ago
7 0

Answer: Kaitlin earned $312 this month.

Step-by-step explanation:

since it says $16 per hour and she has tutored for 19.5 hours you just simply multiply the two to get your answer because it wants to know how much she earned this month.

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Given the polynomial 2x3 18x2 − 18x − 162, what is the value of the constant 'k' in the factored form? 2x3 18x2 − 18x − 162 = 2(
oee [108]

The value of the constant 'k' in the factored form factorization the provided polynomial equation is 3.

<h3>What is polynomial equation?</h3>

Polynomial equations is the expression in which the highest power of the unknown variable is n (n is real number).

The factor of a polynomial is the terms in linear or equation form, which are when multiplied together, give the original polynomial equation as result.

The given polynomial equation in the problem is,

2x^3 +18x^2 - 18x - 162

The factor of the polynomial equation are given as,

2(x+ k)(x - k)(x +9)

First find out the factors to compare and find the value of k.The above equation has the unknown variable x and the highest power of this unknown variable is 3.

Take out the highest common factor 2, which can divide each term of the above equation (2, 18, -18, -162). Thus,

2(x+ k)(x - k)(x +9)=2(x^3 +9x^2 - 9x - 81)

Take out the highest common factor to make the groups as,

2(x+ k)(x - k)(x +9)=2(x^2( x+9) - 9(x + 9))\\2(x+ k)(x - k)(x +9)=2( x+9) (x^2 - 9)\\2(x+ k)(x - k)(x +9)=2( x+9) (x^2 - 3^2)

Use the property of difference of the square for the (x²-3²) term as,

2(x+ k)(x - k)(x +9)=2( x+9) (x+3)(x-3)\\2(x+ k)(x - k)(x +9)=2 (x+3)(x-3)( x+9)

On comparing the two equation, we get the value of k as 3. Thus, the value of the constant 'k' in the factored form factorization the provided polynomial equation is 3.

Learn more about factor of polynomial here;

brainly.com/question/24380382

7 0
2 years ago
Write the point-slope form of the equation of the line that passes through the points (6, 6) and (-6, 1). Include your work in y
Allushta [10]

Answer:

Step-by-step explanation:

you need the formula (y-y1) = m(x-x1) that uses a slope and a point

m=(y1-y2)/(x2-x1)= 6-1/6+6=5/12

now pic any poit out of the 2 given ones

Answer:

(y-6) =(5/12)(x-6)

same for all the other

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3 years ago
There are two different music download companies that offer a monthly plan for downloading songs. S-Jams charges $1.29 per song
bazaltina [42]

Answer:

y=1.29x+10

Step-by-step explanation:

y=mx+b

6 0
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Nutka1998 [239]
Is this problem is about solving for h? If it is, here is the answer:

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What is the slope of the line passing through the points (6, 7) and (1, 5) ?
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