3 years ago

Which word in the second pharagraph can be a synonym for entomologist insect or number or year or scientist

1 answer:

7 0

An entomologist is a scientist who studies insects, according to aboutbioscience.org. Since the only word that could possibly replace it in a sentence is scientist, that's the answer!

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What is the fifth term in the binomial expansion of (x + 5)^8?O 175,000x³O 43,750x4O 3,125x5O 7,000x

enyata [817]

Solution:

Given the expression below

$(x+5)^8$

Applying the binomial theorem formula

$\begin{gathered} \left(a+b\right)^n=\sum_{k=0}^n{\binom{n}{k}}a^{n-k}b^k \\ Where \\ a=x \\ b=5 \\ n=8 \\ k=4\text{ i.e. fifth term} \end{gathered}$

For the fifth term, i.e

$\sum_{k=4}^8{\binom{8}{4}}x^{8-4}5^4=\frac{8!}{4!(8-4)!}\cdot x^4\cdot(625)=(70)(625)(x^4)=43750x^4$

Hence, the fifth terms is

$43750x^4$

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1 year ago

What is the median score on the test?

VMariaS [17]

The median score on the test is 79

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3 years ago

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Factorize p²+3p-4<br>answer with steps please

oksian1 [2.3K]

Answer:

(p-1)(p+4)

Step-by-step explanation:

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What is the slope between each pair of points. (-5,-2) and (9,2)

zzz [600]

Answer: 2/7

Step-by-step explanation:

You subtract the y intercepts and put it over the x intercepts

2-(-2)=4 and 9-(-5)=14 so it is 4/14 which sinplifies to 2/7

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If value of a+b=7and ab=12then find the value of a and b

LiRa [457]

a+b = 7

ab =12

we know that

a and b = ab – a+b

= 12 –7

= 5 ans

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