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Blizzard [7]
3 years ago
7

Use the cross product property to solve this equation: x:2=2.5/5/4

Mathematics
2 answers:
evablogger [386]3 years ago
8 0

x/2=2.5/1.25

1.25/2=0.645

2.500/0.645

KatRina [158]3 years ago
7 0

Rewrite x:2=2.5/5/4 as


x       2.5

---- = --------

2       1.25

Then 1.25x = 5.00, and x = 4

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Which one of the following is not closed under the operation being performed
Sergeu [11.5K]
Remember that polynomials are closed under addition, subtraction, and multiplication, but they are not closed under division. The only division you have there is B; therefore the correct answer is B.

A. (14x-2)3(x-2)=14 x^{2} -90x+10. The result is still a polynomial; therefore, answer A is incorrect.

B. \frac{(14x-2)}{3(x-2)} =  \frac{14}{3} with a remainder of 26. The result is not a polynomial anymore; therefore, B is the correct answer.

C. (14x-2)+3(x+2)=17x+4. The result is still a polynomial; therefore, answer C is incorrect.

D. (14x-2)+3(x+2)=17x+4. The result is still a polynomial; therefore, answer D is incorrect.
4 0
3 years ago
What is the 7th term of the geometric sequence where a1 = 625 and a2 = −125?
myrzilka [38]
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4 0
3 years ago
Read 2 more answers
I need help ill do anything
alexgriva [62]

Answer:

A n y t h i n g  y o u  s a y ?

The answer is J. 42

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5 0
3 years ago
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Sloan [31]

an = a1 +d(n-1)

a4 =a1+d(4-1)

-4 = -1+d(3)

add 1 to each side

-3 = 3d

d= -1

an = a1 +d(n-1)

an = -1 +-1 (n-1)

an = -1 -n +1

an = -n


Choice D


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3 years ago
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Answer:

Part A)  ΔCGB and ΔPBE are similiar

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Step-by-step explanation:

5 0
2 years ago
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