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Pachacha [2.7K]
2 years ago
12

I need some help with this one. Please give it a go! Thank you for your time!

Mathematics
1 answer:
LekaFEV [45]2 years ago
5 0

Answer:

A) 3x^{2} - x - 4

B) -3x^{2} -4x -5

Step-by-step explanation:

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Two numbers have the same digits in the millions period, The same digits in the thousands period, and the same digits in the one
hjlf
Not unless the digits in each period are also in the same order. That is, the digit in each PLACE must be the same.
5 0
3 years ago
Seven more than the quotient of a number and 2 is -4
Rzqust [24]

Answer:

x/2 + 7 = -4

Step-by-step explanation:

7 more just means plus 7

a quotient of a number and blank basically is 'a number' (usually x) over a the number given if that makes sense. so in our scenario its x/2

'is' basically means is equal to

put it all together and you get x/2 + 7 = -4

hope this helps <3

5 0
3 years ago
PLEASE HELP ASAP!!!!​
Elodia [21]

Answer:

I think its D? I'm not sure sorry if I get it wrong

7 0
2 years ago
Read 2 more answers
What is ∑n=15[5(−2)n−1] equal to?
kicyunya [14]

Answer:

Although the notation is sloppy, I will assume based on former questions of the same that "∑n=15[5(−2)^n−1]" translates mathematically to . Please correct me, though, if this in incorrect.

Anyway, there is neat formula that will deal with question very quickly. It is the following:

Sn is the sum of the geometric series

a1 is the first term in the series

r is the common ratio

n is the number of terms in the finite geometric series

Let's use this formula to our advantage! However, there are two variables that we do not know: a1 and n. Let's start with a1.The first term in the series is when n=1, so let's determine what that is.

6 0
2 years ago
EXTRA POINTS :) what is the value of x??
vlada-n [284]

Answer:

x = 17

Step-by-step explanation:

corresponding interior angles are supplementary, meaning they have to add up to 180 degrees so

6x + 8 + 4x + 2 = 180°     then combine like terms ( 6x and 4x, 8 and 2 )

10x + 10 = 180         subtract 10 from both sides

        -10     -10

10x = 170            divide each side by 10

/10     /10

x = 17

8 0
3 years ago
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