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3 years ago

Which of the following is a trinomial?

Mathematics

2 answers:

Nana76 [90]3 years ago

7 0

Answer:

c hope this helped

Step-by-step explanation:

jonny [76]3 years ago

5 0

Answer:

Step-by-step explanation:

Bescause it has 3 terms

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Helppppppp!!!! me ill put you brainliest!

Damm [24]

Answer:

21 3/4 - 13 1/8 = 8 5/8 ft longer

Step-by-step explanation:

We subtract the blue rope from the green rope

21 3/4 - 13 1/8

We need to get a common denominator of 8

21 3/4*2/2 - 13 1/8

21 6/8 - 13 1/8

8 5/8

4 0

4 years ago

If Jared makes 25 out of 30 shots on goal, what is the percentage?

aniked [119]

Answer:

$\frac{25}{30} \times 100\% = 0.833 \times 100\% \\ = 83.3\%$

7 0

3 years ago

To earn some extra money Mrs. Runyan helps a carpenter. One week she earned $486 and the next week she earned $254. If Mrs. Runy

DochEvi [55]

Answer:

She made $195 in extra money

Step-by-step explanation:

486+254=740

740-545=195

6 0

3 years ago

Find the tenth term of the expansion (x+ y)¹³

Anon25 [30]

Answer:

$715x^4y^9$

Step-by-step explanation:

Given

$(x + y)^{13$

Required

Determine the 10th term

Using binomial expansion, we have:

$(a + b)^n = ^nC_0a^nb^0 + ^nC_1a^{n-1}b^1 + ^nC_2a^{n-2}b^2 +.....+^nC_na^{0}b^n$

For, the 10th term. n = 9

So, we have:

$(a + b)^n = ^nC_{9}a^{n-9}b^{9$

$(x + y)^{13} = ^{13}C_{9}x^{13-9}y^9$

$(x + y)^{13} = ^{13}C_{9}x^4y^9$

Apply combination formula

$(x + y)^{13} = \frac{13!}{(13-9)!9!}x^4y^9$

$(x + y)^{13} = \frac{13!}{4!9!}x^4y^9$

$(x + y)^{13} = \frac{13*12*11*10*9!}{4!9!}x^4y^9$

$(x + y)^{13} = \frac{13*12*11*10}{4!}x^4y^9$

$(x + y)^{13} = \frac{13*12*11*10}{4*3*2*1}x^4y^9$

$(x + y)^{13} = \frac{17160}{24}x^4y^9$

$(x + y)^{13} = 715x^4y^9$

Hence, the 10th term is $715x^4y^9$

3 0

3 years ago

Factor completely 2cb + 7cx + 2b + 7x.

jeka94

$2cb + 7cx + 2b + 7x\\\\(2cb + 7cx)+(2b + 7x)\\\\c(2b + 7x)+1( 2b + 7x)\\\\\boxed{\bf{(c+1)( 2b + 7x)}}$

The answer is B.

4 0

3 years ago

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