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irakobra [83]
3 years ago
14

Which expression is a trinomial of degree 1? A. x^3+x^2-x B. xy^2 C. 6+x-y D. 3x-y

Mathematics
2 answers:
ki77a [65]3 years ago
7 0
C

Trinomial means three parts
A and C or trinomial's but the degree on a is at three and the degree of C is a one
GrogVix [38]3 years ago
3 0

Answer:  The expression is (C). 6 + x - y.

Step-by-step explanation:  We are given to select the expression that is a trinomial of degree 1.

<u>A TRINOMIAL OF DEGREE 1 :</u> It is an algebraic expression with three terms, where the maximum degree of unknown variables in the terms is 1.

(A) The first expression is x^3+x^2-x.

Here, we have three terms, so it is a trinomial and the highest power of the unknown variable is 3, not 1. Hence, it is a trinomial of degree 3.

So, option (A) is incorrect.

(B) The second expression is xy^2.

Here, we have only one term, so it is a monomial and the highest power of the unknown variables is 1 + 2 = 3, not 1. Hence, it is a monomial of degree 3.

So, option (B) is incorrect.

(C) The third expression is 6+x-y.

Here, we have three terms, so it is a trinomial and the highest power of the unknown variable is 1. Hence, it is a trinomial of degree 1.

So, option (C) is incorrect.

(D) The fourth expression is 3x-y.

Here, we have two terms, so it is a binomial and the highest power of the unknown variables is 1. Hence, it is a binomial of degree 1.

So, option (D) is incorrect.

Thus, option (C) is correct.

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Stels [109]
Solution (1) using angles of sectors:

Area of A = pi r^2  x 90/360 = 4.9

Area of B = pi r^2 x 270/360 = 14.2 


Check:  Area of A/B = 4.9/14.72 = 1/3 (as given)

Solution (2) using given info:

Area of B + Area of A = area of circle

Area of B + 1/3 Area of B =  3.14 * (2.5)^2 = 19.625

4/3 Area of B = 19.625

Area of B = 3/4 * 19.625

Area of B = 14.72

Area of A = 1/3 * 14.72 = 4.9

There is more solutions to this problem , like polar coordinate integration , and so on. for more just request. 



8 0
3 years ago
Find the inverse of the function.<br> f(x) = -3x + 7
LUCKY_DIMON [66]
F(x) = -3x + 7
y = -3x + 7
x = -3y + 7
-3y + 7 = x
-3y = x - 7
y = -1/3x + 7/3
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8 0
2 years ago
2 2/3 multiplied by 5 4/5
grin007 [14]
2 \frac{2}{3} = \frac{8}{3} &#10;
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8 0
3 years ago
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Nataliya [291]

Answer:

c and d

Step-by-step explanation:

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5 0
3 years ago
$100 is invested at 12% per year. If the amount is compounded annually, write the total amount after 2 years in exponential func
Sladkaya [172]

Answer:

A = $100(1.12)^2

Step-by-step explanation:

The standard formula for compound interest is given as;

A = P(1+r/n)^(nt) .....1

Where;

A = final amount/value

P = initial amount/value (principal)

r = rate yearly

n = number of times compounded yearly.

t = time of investment in years

For this case;

P = $100

t = 2years

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Substituting the values, we have;

A = $100(1+0.12)^(2)

A = $100(1.12)^2

7 0
3 years ago
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