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Lady_Fox [76]
3 years ago
5

Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)?

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0
Simplify step-by-step
5 {x}^{7}  + 7 {x}^{8}  - (4 {x}^{4}  - 2 {x}^{8} )
ANSWER
9 {x}^{8}  + 5 {x}^{7}  - 4 {x}^{4}
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One type of firework splits 5 times after it is fired into the air. The number of new bursts after each split can be modeled by
kherson [118]
Probably 5 because it only states 1 firework
5 0
3 years ago
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Consider the following expression: (1 + x)^n. A) Use the Binomial Theorem to find the first four terms of this polynomial. B) Wh
sergiy2304 [10]
Given:

The expression:  (1 + x)^n

The Binomial Theorem is used to predict the products of a binomial raised to a certain power, n, without multiplying the terms one by one. 

The following formula is used:

(a + b)^n = nCk * a^(n-k) * b^k

we have (1 +x)^n,

where a = 1 
            b = x
let n = 4

First term, k = 1

4C1 = 4

first term: 4*(1^(4-1))*x^1

Therefore, the first term is 4x. Do the same for the next three terms. 

2nd term: k =2 
3rd term: k = 3
4th term: k = 4
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3 0
2 years ago
Which transformation represents a reflection over the y = x line?
dmitriy555 [2]

Answer:

see explanation

Step-by-step explanation:

Under a reflection in the line y = x

a point (x, y ) → (y, x )

4 0
3 years ago
What is 451.568 rounded to the tenths place.
PSYCHO15rus [73]
It will be 451.6 because 5 is tents place 68 is big number so u add 1 + 5 = 6
Answer 451.6
7 0
2 years ago
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How would you estimate whether 27/50 is closer to 1/2 or 1 without using a number line? Explain.
Ivahew [28]

Answer

Find\ out\ the\ how\ would\ you\ estimate\ whether\ \frac{27}{50}\ is\ closer\ \frac{1}{2}  to\ or 1\ without\ using\ a\ number\ line .

To prove

As\ the\ value\ of\ \frac{27}{50}\ in\ decimal\ form.

= \frac{27}{50}

= 0.54

As\ the\ value\ of\ \frac{1}{2}\ in\ decimal\ form.

= \frac{1}{2}

= 0.5

As\ the\ value\ of\ 1 \ in\ decimal\ form.

= 1.00

Now we find out the mid point of the 0.5 and 1.00 .

Mid\ point = \frac{1.00+0.5}{2}

(Mid point is the point lies middle of a line segment .)

Mid point = 0.75

Thus

0.54< 0.75

This shows o.54 lies between 0.5 and 1.00

This means 0.54 lies right to 0.5 and left from 1.00 .

Therefore

\frac{27}{50}\ lies\ right\ to\ \frac{1}{2} and\ left\ from\ 1.



7 0
2 years ago
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