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3 years ago

What is the measure of angle B? How do you know?

Mathematics

1 answer:

laiz [17]3 years ago

6 0

Answer:

It is an acute angle. 15°

Step-by-step explanation:

because it has a small angle and is not very big.

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Multiple polynomial the (x^3+3x^2+1)(3x^2+6x-2)

Mrrafil [7]

The product of given polynomials is: $3x^5+15x^4-16x^3-3x^2+6x-2$

Step-by-step explanation:

Given polynomials are:

$(x^3+3x^2+1)\\and\\(3x^2+6x-2)$

In order to multiply both polynomials, we will use the distributive property

So,

$= (x^3+3x^2+1)(3x^2+6x-2)\\=x^3(3x^2+6x-2)+3x^2(3x^2+6x-2)+1(3x^2+6x-2)\\=3x^5+6x^4-2x^3+9x^4+18x^3-6x^2+3x^2+6x-2$

Combining like terms

$=3x^5+6x^4+9x^4-2x^3+18x^3+3x^2-6x^2+6x-2\\=3x^5+15x^4-16x^3-3x^2+6x-2$

Hence,

The product of given polynomials is: $3x^5+15x^4-16x^3-3x^2+6x-2$

Keywords: Polynomials, variables

Learn more about polynomials at:

#LearnwithBrainly

6 0

3 years ago

What is the y-intercept of the function f(x) = –2/9 + 1/5

dolphi86 [110]

The equation has no X variable so whatever that adds up to becomes the y-intercept.

- 2/9 + 1/5 >> - 10/45 + 9/45 = - 1/45

Your y-int is - 1/45 or (0, - 1/45)

4 0

2 years ago

The number is even. It is nit divisible by 3. It is not divisible by 5. It is not greater than 9^2. Is it not less than 8^2. Wha

TEA [102]

Answer:

64, 68, 74, 76

Step-by-step explanation:

Ok so in a confusing way, the last two statements are telling you that the number is greater than 8^2, which is 64, and the number is less that 9^2, which is 81.

The number has to be even, so I will list the even numbers between those two numbers:

64, 66, 68, 70, 72, 74, 76, 78, 80.

It cannot be divisible by 3, which rules out 66, 72, 78

64, 68, 70, 74, 76, 80 remains

It cannot be divisible by 5, which rules out 70 and 80

64, 68, 74, 76 are the possible answers,

*Note: I believe I did this right, but because of the tricky wording of the last two statements, 64 may not be included.

4 0

3 years ago

Whats the answer to this question

Misha Larkins [42]

Yes because 10-23 is -13 and -10 is greater than that

7 0

3 years ago

Read 2 more answers

Maihua jogged for 1/2 hour a 6 km/h she jogged for another 1/4 hour at 8 km/h what distance did she jog altogether.

Wittaler [7]

5 km (1/2 * 6 = 3, and 1/4 * 8 = 2, and 2+3=5).

5 0

3 years ago