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3 years ago

Can someone plz do the answer

Mathematics

1 answer:

sashaice [31]3 years ago

3 0

3/4 =9/12 7/9=21/27

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Please answer this question! 26 points and brainliest!

Angelina_Jolie [31]

Answer:

3x^2 -7x +2

Step-by-step explanation:

(15x^2 -35x +10)÷5

15/5 x^2 -35/5 x +10/5

3x^2 -7x +2

5 0

3 years ago

Read 2 more answers

What is the term of a 7-term geometric series if the first term is -11 the last term is -45,056 and the common ratio is -4

shutvik [7]

I assume you mean to ask how to find the sum of the seven terms?

You have

$a_2=ra_1$
$a_3=ra_2=r^2a_1$
$a_4=ra_3=r^3a_1$
...
$a_7=ra_6=r^6a_1$

So the sum is

$a_1+ra_1+r^2a_1+\cdots+r^6a_1=a_1(1+r+r^2+\cdots+r^6)=a_1\times\dfrac{1-r^7}{1-r}$

You know that $a_1=-11$ and $r=-4$ , so the sum is equal to

$-4\times\dfrac{1-(-4)^7}{1-(-4)}=-13108$

8 0

3 years ago

Hey can you please help me posted picture of question

Elan Coil [88]

The correct answer is A.

Horizontal shift is obtained by addition/subtraction a number to every occurrence of x in the equation. Addition indicates a shift towards left and subtraction indicates a shift towards right.

So the correct answer is Subtract that number From.

4 0

3 years ago

HELP PLEASE ILL GIVE YOU BRAINLIST !! I DONT UNDERSTAND IT .

inn [45]

Step-by-step explanation:

$35 + 35 = 70$

$180 - 70 = 110$

$180 - 110 = 70$

$70 + 70 = 140$

$180 - 140 = 40$

so the answer is 40

7 0

3 years ago

What formula should I use for this?

mr_godi [17]

If they're asking for the nth term, you should use n in your formula, ie.,

a(n) = 6000 * 0.5ⁿ

However, the first term is when n=1, so your formula should really be:

a(n) = 6000 * 0.5⁽ⁿ⁻¹⁾

Then the 8th term is 46.875

8 0

3 years ago