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WINSTONCH [101]
3 years ago
13

Please help. Thank you​

Mathematics
1 answer:
Alexandra [31]3 years ago
5 0

Answer:

30.8 degrees

Step-by-step explanation:

cosx = \frac{8.5}{9.9}

x= cos^{-1}\frac{8.5}{9.9}

= 30.8 degrees (nearest tenth of a degree)

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Multiplying a trinomial by a trinomial follows the same steps as multiplying a binomial by a trinomial. Determine the degree and
Veseljchak [2.6K]

Degree = 4

Maximum possible number of terms for = 5

Solution:

Given expression:

\left(x^{2}+x+2\right)\left(x^{2}-2 x+3\right)

To multiply the trinomial by a trinomial:

\left(x^{2}+x+2\right)\left(x^{2}-2 x+3\right)

Multiply each of the first term by the each of the second term.

            =x^{2}(x^{2}-2 x+3)+x(x^{2}-2 x+3)+2(x^{2}-2 x+3)

            =(x^{4}-2 x^3+3x^2)+(x^{3}-2 x^2+3x)+(2x^{2}-4 x+6)

Remove the brackets and arrange the terms with same powers together.

            =x^{4}-2 x^3+x^{3}+3x^2-2 x^2+2x^{2}+3x-4 x+6

            =x^{4}- x^3+3x^2- x+6

The product of the trinomials is x^{4}- x^3+3x^2- x+6.

Degree is the highest power of the variable.

Degree = 4

Maximum possible number of terms for = 5

3 0
3 years ago
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Rewrite as a logarithmic equation.<br> *=8
mrs_skeptik [129]

Answer:

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Step-by-step explanation:

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3 0
4 years ago
A square has an area of 1 square unit . What is the length of the square?
Kryger [21]

Answer:

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Step-by-step explanation:

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Which of the following equations could be the result of using the comparison method to solve the system shown? x - 4y - 1 = 0 x
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Answer:

Option A.

Step-by-step explanation:

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Using comparison method, compare the values of x.

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4 years ago
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djyliett [7]

The absolute value expression for the given statement is  |10|

<h3>What is absolute value?</h3>

The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign

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This means the 10 staircase will be added since there is an increase.

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learn more on absolute value here: brainly.com/question/780403

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