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ddd [48]
3 years ago
7

PLEASE PLEASE HELP!!!!! WILL GIVE BRAINLIEST!!!!!

Mathematics
1 answer:
fiasKO [112]3 years ago
6 0

To be written in standard form, the exponents need to be in order from largest to smallest.

The answer is: a. −3x^5 + 4x^3 + 10x^2

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How many squares are in the 20th case
pentagon [3]

Answer:

total 20 squares in matrix of size 4×3

Step-by-step explanation:

in square of size 1×1

six squares of size 2×2

2 squares of size 3×3

3 0
3 years ago
4 points
adell [148]
267.05 hope this helpssss
8 0
3 years ago
What is the power of x? <br> A) 2 <br> B) 3 <br> C) 6 <br> D) 7
Thepotemich [5.8K]

Answer:

A

Step-by-step explanation:

They are basically wanting the value of x.

These are 2 secant lines drawn. Secant Line is a line that intersects the circle at 2 points.

To solve this, we have to use secant-secant theorem.

Secant-Secant Power Theorem tells us that if 2 secant lines are drawn from external point (here, E) to a circle, then, product of measure of one secant's external part and total secant is equal to other secants external part and whole secant.

In algebra, that is:

(x+1)(x+1+11)=(x+4)(x+4+1)

Let's multiply and find the value of x:

(x+1)(x+1+11)=(x+4)(x+4+1)\\(x+1)(x+12)=(x+4)(x+5)\\x^2 + 13x + 12=x^2+9x+20\\13x+12=9x+20\\13x - 9x = 20 - 12\\4x = 8\\x = 2

Hence, the correct answer choice is A

8 0
3 years ago
Determine if the expression 464 +c+ cº is a polynomial or not. If it is a polynomial,
Makovka662 [10]

Answer:

I wish I could help but I'm not sure

6 0
3 years ago
What is an equation of the line that passes through the points (5, 2) and (-5, -6)?​
lawyer [7]

Answer:

y=4/5x + 2

Step-by-step explanation:

y=mx+b

find slope which is 8/10=4/5

choose a y and plug into problem

8 0
3 years ago
Read 2 more answers
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