2 years ago

In how many ways can you answer the question on an exam that consists of 9 questions with 4 answers

Mathematics

1 answer:

lisabon 2012 [21]2 years ago

6 0

I think the answer is 36 I hope I helped

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What is the fourth term in the binomial expansion of (2x – y) 7?

nata0808 [166]

Answer:

$(7C4) (2x)^4 (-y)^{7-4}$

And replacing we got:

$35 (2^4) x^4 (-y)^{-3}$

And then the final term would be:

$-560 x^4 y^3$

Step-by-step explanation:

For this case we have the following expression:

$(2x-y)^7$

And we can use the binomial theorem given by:

$(x+y)^n =\sum_{k=0}^n (nCk) x^k y^{n-k}$

And for this case we want to find the fourth term and using the formula we have:

$(7C4) (2x)^4 (-y)^{7-4}$

And replacing we got:

$35 (2^4) x^4 (-y)^{-3}$

And then the final term would be:

$-560 x^4 y^3$

8 0

2 years ago

D is the midpoint of CE. C has coordinates

tiny-mole [99]

Answer:

you need to be more specific like which ones are x or y

Step-by-step explanation:

ask it again or comment the specifics

4 0

2 years ago

An angle is five times its supplement. Find both angles.

noname [10]

The measure of the smaller angle is 30 degrees.
The measure of the larger angle is 150 degrees.

What I did:
supplementary angle=180 degrees.
<span>An angle is five times its supplement=180/6=
30
30*5=150
150+30=180

</span>

5 0

2 years ago

I WILL GIVE BRAINLIEST!!! 10 POINTS!!!

Natasha_Volkova [10]

Answer:1

Step-by-step explanation: 1/2 + 1/2 is 1

8 0

2 years ago

Read 2 more answers

HURRY PLZZ !! Which of the following best forms the figure shown

UkoKoshka [18]

Answer:

2 line segments that meet an endpoint, mate

Step-by-step explanation:

5 0

2 years ago